# -*- coding: utf-8 -*-
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import os

# try/except added for compatibility with python < 3.8
try:
    from unittest import mock
    from unittest.mock import AsyncMock  # pragma: NO COVER
except ImportError:  # pragma: NO COVER
    import mock

from collections.abc import Iterable
import json
import math

from google.api_core import (
    future,
    gapic_v1,
    grpc_helpers,
    grpc_helpers_async,
    path_template,
)
from google.api_core import client_options
from google.api_core import exceptions as core_exceptions
from google.api_core import extended_operation  # type: ignore
import google.auth
from google.auth import credentials as ga_credentials
from google.auth.exceptions import MutualTLSChannelError
from google.oauth2 import service_account
from google.protobuf import json_format
import grpc
from grpc.experimental import aio
from proto.marshal.rules import wrappers
from proto.marshal.rules.dates import DurationRule, TimestampRule
import pytest
from requests import PreparedRequest, Request, Response
from requests.sessions import Session

from google.cloud.compute_v1.services.instances import (
    InstancesClient,
    pagers,
    transports,
)
from google.cloud.compute_v1.types import compute


def client_cert_source_callback():
    return b"cert bytes", b"key bytes"


# If default endpoint is localhost, then default mtls endpoint will be the same.
# This method modifies the default endpoint so the client can produce a different
# mtls endpoint for endpoint testing purposes.
def modify_default_endpoint(client):
    return (
        "foo.googleapis.com"
        if ("localhost" in client.DEFAULT_ENDPOINT)
        else client.DEFAULT_ENDPOINT
    )


def test__get_default_mtls_endpoint():
    api_endpoint = "example.googleapis.com"
    api_mtls_endpoint = "example.mtls.googleapis.com"
    sandbox_endpoint = "example.sandbox.googleapis.com"
    sandbox_mtls_endpoint = "example.mtls.sandbox.googleapis.com"
    non_googleapi = "api.example.com"

    assert InstancesClient._get_default_mtls_endpoint(None) is None
    assert InstancesClient._get_default_mtls_endpoint(api_endpoint) == api_mtls_endpoint
    assert (
        InstancesClient._get_default_mtls_endpoint(api_mtls_endpoint)
        == api_mtls_endpoint
    )
    assert (
        InstancesClient._get_default_mtls_endpoint(sandbox_endpoint)
        == sandbox_mtls_endpoint
    )
    assert (
        InstancesClient._get_default_mtls_endpoint(sandbox_mtls_endpoint)
        == sandbox_mtls_endpoint
    )
    assert InstancesClient._get_default_mtls_endpoint(non_googleapi) == non_googleapi


@pytest.mark.parametrize(
    "client_class,transport_name",
    [
        (InstancesClient, "rest"),
    ],
)
def test_instances_client_from_service_account_info(client_class, transport_name):
    creds = ga_credentials.AnonymousCredentials()
    with mock.patch.object(
        service_account.Credentials, "from_service_account_info"
    ) as factory:
        factory.return_value = creds
        info = {"valid": True}
        client = client_class.from_service_account_info(info, transport=transport_name)
        assert client.transport._credentials == creds
        assert isinstance(client, client_class)

        assert client.transport._host == (
            "compute.googleapis.com:443"
            if transport_name in ["grpc", "grpc_asyncio"]
            else "https://compute.googleapis.com"
        )


@pytest.mark.parametrize(
    "transport_class,transport_name",
    [
        (transports.InstancesRestTransport, "rest"),
    ],
)
def test_instances_client_service_account_always_use_jwt(
    transport_class, transport_name
):
    with mock.patch.object(
        service_account.Credentials, "with_always_use_jwt_access", create=True
    ) as use_jwt:
        creds = service_account.Credentials(None, None, None)
        transport = transport_class(credentials=creds, always_use_jwt_access=True)
        use_jwt.assert_called_once_with(True)

    with mock.patch.object(
        service_account.Credentials, "with_always_use_jwt_access", create=True
    ) as use_jwt:
        creds = service_account.Credentials(None, None, None)
        transport = transport_class(credentials=creds, always_use_jwt_access=False)
        use_jwt.assert_not_called()


@pytest.mark.parametrize(
    "client_class,transport_name",
    [
        (InstancesClient, "rest"),
    ],
)
def test_instances_client_from_service_account_file(client_class, transport_name):
    creds = ga_credentials.AnonymousCredentials()
    with mock.patch.object(
        service_account.Credentials, "from_service_account_file"
    ) as factory:
        factory.return_value = creds
        client = client_class.from_service_account_file(
            "dummy/file/path.json", transport=transport_name
        )
        assert client.transport._credentials == creds
        assert isinstance(client, client_class)

        client = client_class.from_service_account_json(
            "dummy/file/path.json", transport=transport_name
        )
        assert client.transport._credentials == creds
        assert isinstance(client, client_class)

        assert client.transport._host == (
            "compute.googleapis.com:443"
            if transport_name in ["grpc", "grpc_asyncio"]
            else "https://compute.googleapis.com"
        )


def test_instances_client_get_transport_class():
    transport = InstancesClient.get_transport_class()
    available_transports = [
        transports.InstancesRestTransport,
    ]
    assert transport in available_transports

    transport = InstancesClient.get_transport_class("rest")
    assert transport == transports.InstancesRestTransport


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name",
    [
        (InstancesClient, transports.InstancesRestTransport, "rest"),
    ],
)
@mock.patch.object(
    InstancesClient, "DEFAULT_ENDPOINT", modify_default_endpoint(InstancesClient)
)
def test_instances_client_client_options(client_class, transport_class, transport_name):
    # Check that if channel is provided we won't create a new one.
    with mock.patch.object(InstancesClient, "get_transport_class") as gtc:
        transport = transport_class(credentials=ga_credentials.AnonymousCredentials())
        client = client_class(transport=transport)
        gtc.assert_not_called()

    # Check that if channel is provided via str we will create a new one.
    with mock.patch.object(InstancesClient, "get_transport_class") as gtc:
        client = client_class(transport=transport_name)
        gtc.assert_called()

    # Check the case api_endpoint is provided.
    options = client_options.ClientOptions(api_endpoint="squid.clam.whelk")
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(transport=transport_name, client_options=options)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host="squid.clam.whelk",
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT is
    # "never".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(transport=transport_name)
            patched.assert_called_once_with(
                credentials=None,
                credentials_file=None,
                host=client.DEFAULT_ENDPOINT,
                scopes=None,
                client_cert_source_for_mtls=None,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT is
    # "always".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}):
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(transport=transport_name)
            patched.assert_called_once_with(
                credentials=None,
                credentials_file=None,
                host=client.DEFAULT_MTLS_ENDPOINT,
                scopes=None,
                client_cert_source_for_mtls=None,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )

    # Check the case api_endpoint is not provided and GOOGLE_API_USE_MTLS_ENDPOINT has
    # unsupported value.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "Unsupported"}):
        with pytest.raises(MutualTLSChannelError):
            client = client_class(transport=transport_name)

    # Check the case GOOGLE_API_USE_CLIENT_CERTIFICATE has unsupported value.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "Unsupported"}
    ):
        with pytest.raises(ValueError):
            client = client_class(transport=transport_name)

    # Check the case quota_project_id is provided
    options = client_options.ClientOptions(quota_project_id="octopus")
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host=client.DEFAULT_ENDPOINT,
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id="octopus",
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )
    # Check the case api_endpoint is provided
    options = client_options.ClientOptions(
        api_audience="https://language.googleapis.com"
    )
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host=client.DEFAULT_ENDPOINT,
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience="https://language.googleapis.com",
        )


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name,use_client_cert_env",
    [
        (InstancesClient, transports.InstancesRestTransport, "rest", "true"),
        (InstancesClient, transports.InstancesRestTransport, "rest", "false"),
    ],
)
@mock.patch.object(
    InstancesClient, "DEFAULT_ENDPOINT", modify_default_endpoint(InstancesClient)
)
@mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "auto"})
def test_instances_client_mtls_env_auto(
    client_class, transport_class, transport_name, use_client_cert_env
):
    # This tests the endpoint autoswitch behavior. Endpoint is autoswitched to the default
    # mtls endpoint, if GOOGLE_API_USE_CLIENT_CERTIFICATE is "true" and client cert exists.

    # Check the case client_cert_source is provided. Whether client cert is used depends on
    # GOOGLE_API_USE_CLIENT_CERTIFICATE value.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": use_client_cert_env}
    ):
        options = client_options.ClientOptions(
            client_cert_source=client_cert_source_callback
        )
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(client_options=options, transport=transport_name)

            if use_client_cert_env == "false":
                expected_client_cert_source = None
                expected_host = client.DEFAULT_ENDPOINT
            else:
                expected_client_cert_source = client_cert_source_callback
                expected_host = client.DEFAULT_MTLS_ENDPOINT

            patched.assert_called_once_with(
                credentials=None,
                credentials_file=None,
                host=expected_host,
                scopes=None,
                client_cert_source_for_mtls=expected_client_cert_source,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )

    # Check the case ADC client cert is provided. Whether client cert is used depends on
    # GOOGLE_API_USE_CLIENT_CERTIFICATE value.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": use_client_cert_env}
    ):
        with mock.patch.object(transport_class, "__init__") as patched:
            with mock.patch(
                "google.auth.transport.mtls.has_default_client_cert_source",
                return_value=True,
            ):
                with mock.patch(
                    "google.auth.transport.mtls.default_client_cert_source",
                    return_value=client_cert_source_callback,
                ):
                    if use_client_cert_env == "false":
                        expected_host = client.DEFAULT_ENDPOINT
                        expected_client_cert_source = None
                    else:
                        expected_host = client.DEFAULT_MTLS_ENDPOINT
                        expected_client_cert_source = client_cert_source_callback

                    patched.return_value = None
                    client = client_class(transport=transport_name)
                    patched.assert_called_once_with(
                        credentials=None,
                        credentials_file=None,
                        host=expected_host,
                        scopes=None,
                        client_cert_source_for_mtls=expected_client_cert_source,
                        quota_project_id=None,
                        client_info=transports.base.DEFAULT_CLIENT_INFO,
                        always_use_jwt_access=True,
                        api_audience=None,
                    )

    # Check the case client_cert_source and ADC client cert are not provided.
    with mock.patch.dict(
        os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": use_client_cert_env}
    ):
        with mock.patch.object(transport_class, "__init__") as patched:
            with mock.patch(
                "google.auth.transport.mtls.has_default_client_cert_source",
                return_value=False,
            ):
                patched.return_value = None
                client = client_class(transport=transport_name)
                patched.assert_called_once_with(
                    credentials=None,
                    credentials_file=None,
                    host=client.DEFAULT_ENDPOINT,
                    scopes=None,
                    client_cert_source_for_mtls=None,
                    quota_project_id=None,
                    client_info=transports.base.DEFAULT_CLIENT_INFO,
                    always_use_jwt_access=True,
                    api_audience=None,
                )


@pytest.mark.parametrize("client_class", [InstancesClient])
@mock.patch.object(
    InstancesClient, "DEFAULT_ENDPOINT", modify_default_endpoint(InstancesClient)
)
def test_instances_client_get_mtls_endpoint_and_cert_source(client_class):
    mock_client_cert_source = mock.Mock()

    # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "true".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        mock_api_endpoint = "foo"
        options = client_options.ClientOptions(
            client_cert_source=mock_client_cert_source, api_endpoint=mock_api_endpoint
        )
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source(
            options
        )
        assert api_endpoint == mock_api_endpoint
        assert cert_source == mock_client_cert_source

    # Test the case GOOGLE_API_USE_CLIENT_CERTIFICATE is "false".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "false"}):
        mock_client_cert_source = mock.Mock()
        mock_api_endpoint = "foo"
        options = client_options.ClientOptions(
            client_cert_source=mock_client_cert_source, api_endpoint=mock_api_endpoint
        )
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source(
            options
        )
        assert api_endpoint == mock_api_endpoint
        assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "never".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "never"}):
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source()
        assert api_endpoint == client_class.DEFAULT_ENDPOINT
        assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "always".
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": "always"}):
        api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source()
        assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
        assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "auto" and default cert doesn't exist.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        with mock.patch(
            "google.auth.transport.mtls.has_default_client_cert_source",
            return_value=False,
        ):
            api_endpoint, cert_source = client_class.get_mtls_endpoint_and_cert_source()
            assert api_endpoint == client_class.DEFAULT_ENDPOINT
            assert cert_source is None

    # Test the case GOOGLE_API_USE_MTLS_ENDPOINT is "auto" and default cert exists.
    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_CLIENT_CERTIFICATE": "true"}):
        with mock.patch(
            "google.auth.transport.mtls.has_default_client_cert_source",
            return_value=True,
        ):
            with mock.patch(
                "google.auth.transport.mtls.default_client_cert_source",
                return_value=mock_client_cert_source,
            ):
                (
                    api_endpoint,
                    cert_source,
                ) = client_class.get_mtls_endpoint_and_cert_source()
                assert api_endpoint == client_class.DEFAULT_MTLS_ENDPOINT
                assert cert_source == mock_client_cert_source


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name",
    [
        (InstancesClient, transports.InstancesRestTransport, "rest"),
    ],
)
def test_instances_client_client_options_scopes(
    client_class, transport_class, transport_name
):
    # Check the case scopes are provided.
    options = client_options.ClientOptions(
        scopes=["1", "2"],
    )
    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file=None,
            host=client.DEFAULT_ENDPOINT,
            scopes=["1", "2"],
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )


@pytest.mark.parametrize(
    "client_class,transport_class,transport_name,grpc_helpers",
    [
        (InstancesClient, transports.InstancesRestTransport, "rest", None),
    ],
)
def test_instances_client_client_options_credentials_file(
    client_class, transport_class, transport_name, grpc_helpers
):
    # Check the case credentials file is provided.
    options = client_options.ClientOptions(credentials_file="credentials.json")

    with mock.patch.object(transport_class, "__init__") as patched:
        patched.return_value = None
        client = client_class(client_options=options, transport=transport_name)
        patched.assert_called_once_with(
            credentials=None,
            credentials_file="credentials.json",
            host=client.DEFAULT_ENDPOINT,
            scopes=None,
            client_cert_source_for_mtls=None,
            quota_project_id=None,
            client_info=transports.base.DEFAULT_CLIENT_INFO,
            always_use_jwt_access=True,
            api_audience=None,
        )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AddAccessConfigInstanceRequest,
        dict,
    ],
)
def test_add_access_config_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.add_access_config(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_add_access_config_rest_required_fields(
    request_type=compute.AddAccessConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_access_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_access_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.add_access_config(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_add_access_config_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.add_access_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "accessConfigResource",
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_add_access_config_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_add_access_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_add_access_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AddAccessConfigInstanceRequest.pb(
            compute.AddAccessConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.AddAccessConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.add_access_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_add_access_config_rest_bad_request(
    transport: str = "rest", request_type=compute.AddAccessConfigInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.add_access_config(request)


def test_add_access_config_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.add_access_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/addAccessConfig"
            % client.transport._host,
            args[1],
        )


def test_add_access_config_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.add_access_config(
            compute.AddAccessConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )


def test_add_access_config_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AddAccessConfigInstanceRequest,
        dict,
    ],
)
def test_add_access_config_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.add_access_config_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_add_access_config_unary_rest_required_fields(
    request_type=compute.AddAccessConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_access_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_access_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.add_access_config_unary(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_add_access_config_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.add_access_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "accessConfigResource",
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_add_access_config_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_add_access_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_add_access_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AddAccessConfigInstanceRequest.pb(
            compute.AddAccessConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.AddAccessConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.add_access_config_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_add_access_config_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.AddAccessConfigInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.add_access_config_unary(request)


def test_add_access_config_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.add_access_config_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/addAccessConfig"
            % client.transport._host,
            args[1],
        )


def test_add_access_config_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.add_access_config_unary(
            compute.AddAccessConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )


def test_add_access_config_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AddResourcePoliciesInstanceRequest,
        dict,
    ],
)
def test_add_resource_policies_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_add_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.add_resource_policies(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_add_resource_policies_rest_required_fields(
    request_type=compute.AddResourcePoliciesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_resource_policies._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_resource_policies._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.add_resource_policies(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_add_resource_policies_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.add_resource_policies._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesAddResourcePoliciesRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_add_resource_policies_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_add_resource_policies"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_add_resource_policies"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AddResourcePoliciesInstanceRequest.pb(
            compute.AddResourcePoliciesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.AddResourcePoliciesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.add_resource_policies(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_add_resource_policies_rest_bad_request(
    transport: str = "rest", request_type=compute.AddResourcePoliciesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_add_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.add_resource_policies(request)


def test_add_resource_policies_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_add_resource_policies_request_resource=compute.InstancesAddResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.add_resource_policies(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/addResourcePolicies"
            % client.transport._host,
            args[1],
        )


def test_add_resource_policies_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.add_resource_policies(
            compute.AddResourcePoliciesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_add_resource_policies_request_resource=compute.InstancesAddResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )


def test_add_resource_policies_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AddResourcePoliciesInstanceRequest,
        dict,
    ],
)
def test_add_resource_policies_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_add_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.add_resource_policies_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_add_resource_policies_unary_rest_required_fields(
    request_type=compute.AddResourcePoliciesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_resource_policies._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).add_resource_policies._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.add_resource_policies_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_add_resource_policies_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.add_resource_policies._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesAddResourcePoliciesRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_add_resource_policies_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_add_resource_policies"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_add_resource_policies"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AddResourcePoliciesInstanceRequest.pb(
            compute.AddResourcePoliciesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.AddResourcePoliciesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.add_resource_policies_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_add_resource_policies_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.AddResourcePoliciesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_add_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.add_resource_policies_unary(request)


def test_add_resource_policies_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_add_resource_policies_request_resource=compute.InstancesAddResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.add_resource_policies_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/addResourcePolicies"
            % client.transport._host,
            args[1],
        )


def test_add_resource_policies_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.add_resource_policies_unary(
            compute.AddResourcePoliciesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_add_resource_policies_request_resource=compute.InstancesAddResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )


def test_add_resource_policies_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AggregatedListInstancesRequest,
        dict,
    ],
)
def test_aggregated_list_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstanceAggregatedList(
            id="id_value",
            kind="kind_value",
            next_page_token="next_page_token_value",
            self_link="self_link_value",
            unreachables=["unreachables_value"],
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstanceAggregatedList.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.aggregated_list(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.AggregatedListPager)
    assert response.id == "id_value"
    assert response.kind == "kind_value"
    assert response.next_page_token == "next_page_token_value"
    assert response.self_link == "self_link_value"
    assert response.unreachables == ["unreachables_value"]


def test_aggregated_list_rest_required_fields(
    request_type=compute.AggregatedListInstancesRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).aggregated_list._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).aggregated_list._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "filter",
            "include_all_scopes",
            "max_results",
            "order_by",
            "page_token",
            "return_partial_success",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.InstanceAggregatedList()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.InstanceAggregatedList.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.aggregated_list(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_aggregated_list_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.aggregated_list._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "filter",
                "includeAllScopes",
                "maxResults",
                "orderBy",
                "pageToken",
                "returnPartialSuccess",
            )
        )
        & set(("project",))
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_aggregated_list_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_aggregated_list"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_aggregated_list"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AggregatedListInstancesRequest.pb(
            compute.AggregatedListInstancesRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.InstanceAggregatedList.to_json(
            compute.InstanceAggregatedList()
        )

        request = compute.AggregatedListInstancesRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.InstanceAggregatedList()

        client.aggregated_list(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_aggregated_list_rest_bad_request(
    transport: str = "rest", request_type=compute.AggregatedListInstancesRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.aggregated_list(request)


def test_aggregated_list_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstanceAggregatedList()

        # get arguments that satisfy an http rule for this method
        sample_request = {"project": "sample1"}

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstanceAggregatedList.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.aggregated_list(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/aggregated/instances"
            % client.transport._host,
            args[1],
        )


def test_aggregated_list_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.aggregated_list(
            compute.AggregatedListInstancesRequest(),
            project="project_value",
        )


def test_aggregated_list_rest_pager(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            compute.InstanceAggregatedList(
                items={
                    "a": compute.InstancesScopedList(),
                    "b": compute.InstancesScopedList(),
                    "c": compute.InstancesScopedList(),
                },
                next_page_token="abc",
            ),
            compute.InstanceAggregatedList(
                items={},
                next_page_token="def",
            ),
            compute.InstanceAggregatedList(
                items={
                    "g": compute.InstancesScopedList(),
                },
                next_page_token="ghi",
            ),
            compute.InstanceAggregatedList(
                items={
                    "h": compute.InstancesScopedList(),
                    "i": compute.InstancesScopedList(),
                },
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(compute.InstanceAggregatedList.to_json(x) for x in response)
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"project": "sample1"}

        pager = client.aggregated_list(request=sample_request)

        assert isinstance(pager.get("a"), compute.InstancesScopedList)
        assert pager.get("h") is None

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, tuple) for i in results)
        for result in results:
            assert isinstance(result, tuple)
            assert tuple(type(t) for t in result) == (str, compute.InstancesScopedList)

        assert pager.get("a") is None
        assert isinstance(pager.get("h"), compute.InstancesScopedList)

        pages = list(client.aggregated_list(request=sample_request).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AttachDiskInstanceRequest,
        dict,
    ],
)
def test_attach_disk_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["attached_disk_resource"] = {
        "architecture": "architecture_value",
        "auto_delete": True,
        "boot": True,
        "device_name": "device_name_value",
        "disk_encryption_key": {
            "kms_key_name": "kms_key_name_value",
            "kms_key_service_account": "kms_key_service_account_value",
            "raw_key": "raw_key_value",
            "rsa_encrypted_key": "rsa_encrypted_key_value",
            "sha256": "sha256_value",
        },
        "disk_size_gb": 1261,
        "force_attach": True,
        "guest_os_features": [{"type_": "type__value"}],
        "index": 536,
        "initialize_params": {
            "architecture": "architecture_value",
            "description": "description_value",
            "disk_name": "disk_name_value",
            "disk_size_gb": 1261,
            "disk_type": "disk_type_value",
            "labels": {},
            "licenses": ["licenses_value1", "licenses_value2"],
            "on_update_action": "on_update_action_value",
            "provisioned_iops": 1740,
            "provisioned_throughput": 2411,
            "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "source_image": "source_image_value",
            "source_image_encryption_key": {},
            "source_snapshot": "source_snapshot_value",
            "source_snapshot_encryption_key": {},
        },
        "interface": "interface_value",
        "kind": "kind_value",
        "licenses": ["licenses_value1", "licenses_value2"],
        "mode": "mode_value",
        "saved_state": "saved_state_value",
        "shielded_instance_initial_state": {
            "dbs": [{"content": "content_value", "file_type": "file_type_value"}],
            "dbxs": {},
            "keks": {},
            "pk": {},
        },
        "source": "source_value",
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.attach_disk(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_attach_disk_rest_required_fields(
    request_type=compute.AttachDiskInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).attach_disk._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).attach_disk._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "force_attach",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.attach_disk(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_attach_disk_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.attach_disk._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "forceAttach",
                "requestId",
            )
        )
        & set(
            (
                "attachedDiskResource",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_attach_disk_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_attach_disk"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_attach_disk"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AttachDiskInstanceRequest.pb(
            compute.AttachDiskInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.AttachDiskInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.attach_disk(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_attach_disk_rest_bad_request(
    transport: str = "rest", request_type=compute.AttachDiskInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["attached_disk_resource"] = {
        "architecture": "architecture_value",
        "auto_delete": True,
        "boot": True,
        "device_name": "device_name_value",
        "disk_encryption_key": {
            "kms_key_name": "kms_key_name_value",
            "kms_key_service_account": "kms_key_service_account_value",
            "raw_key": "raw_key_value",
            "rsa_encrypted_key": "rsa_encrypted_key_value",
            "sha256": "sha256_value",
        },
        "disk_size_gb": 1261,
        "force_attach": True,
        "guest_os_features": [{"type_": "type__value"}],
        "index": 536,
        "initialize_params": {
            "architecture": "architecture_value",
            "description": "description_value",
            "disk_name": "disk_name_value",
            "disk_size_gb": 1261,
            "disk_type": "disk_type_value",
            "labels": {},
            "licenses": ["licenses_value1", "licenses_value2"],
            "on_update_action": "on_update_action_value",
            "provisioned_iops": 1740,
            "provisioned_throughput": 2411,
            "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "source_image": "source_image_value",
            "source_image_encryption_key": {},
            "source_snapshot": "source_snapshot_value",
            "source_snapshot_encryption_key": {},
        },
        "interface": "interface_value",
        "kind": "kind_value",
        "licenses": ["licenses_value1", "licenses_value2"],
        "mode": "mode_value",
        "saved_state": "saved_state_value",
        "shielded_instance_initial_state": {
            "dbs": [{"content": "content_value", "file_type": "file_type_value"}],
            "dbxs": {},
            "keks": {},
            "pk": {},
        },
        "source": "source_value",
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.attach_disk(request)


def test_attach_disk_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            attached_disk_resource=compute.AttachedDisk(
                architecture="architecture_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.attach_disk(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/attachDisk"
            % client.transport._host,
            args[1],
        )


def test_attach_disk_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.attach_disk(
            compute.AttachDiskInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            attached_disk_resource=compute.AttachedDisk(
                architecture="architecture_value"
            ),
        )


def test_attach_disk_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.AttachDiskInstanceRequest,
        dict,
    ],
)
def test_attach_disk_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["attached_disk_resource"] = {
        "architecture": "architecture_value",
        "auto_delete": True,
        "boot": True,
        "device_name": "device_name_value",
        "disk_encryption_key": {
            "kms_key_name": "kms_key_name_value",
            "kms_key_service_account": "kms_key_service_account_value",
            "raw_key": "raw_key_value",
            "rsa_encrypted_key": "rsa_encrypted_key_value",
            "sha256": "sha256_value",
        },
        "disk_size_gb": 1261,
        "force_attach": True,
        "guest_os_features": [{"type_": "type__value"}],
        "index": 536,
        "initialize_params": {
            "architecture": "architecture_value",
            "description": "description_value",
            "disk_name": "disk_name_value",
            "disk_size_gb": 1261,
            "disk_type": "disk_type_value",
            "labels": {},
            "licenses": ["licenses_value1", "licenses_value2"],
            "on_update_action": "on_update_action_value",
            "provisioned_iops": 1740,
            "provisioned_throughput": 2411,
            "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "source_image": "source_image_value",
            "source_image_encryption_key": {},
            "source_snapshot": "source_snapshot_value",
            "source_snapshot_encryption_key": {},
        },
        "interface": "interface_value",
        "kind": "kind_value",
        "licenses": ["licenses_value1", "licenses_value2"],
        "mode": "mode_value",
        "saved_state": "saved_state_value",
        "shielded_instance_initial_state": {
            "dbs": [{"content": "content_value", "file_type": "file_type_value"}],
            "dbxs": {},
            "keks": {},
            "pk": {},
        },
        "source": "source_value",
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.attach_disk_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_attach_disk_unary_rest_required_fields(
    request_type=compute.AttachDiskInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).attach_disk._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).attach_disk._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "force_attach",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.attach_disk_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_attach_disk_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.attach_disk._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "forceAttach",
                "requestId",
            )
        )
        & set(
            (
                "attachedDiskResource",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_attach_disk_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_attach_disk"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_attach_disk"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.AttachDiskInstanceRequest.pb(
            compute.AttachDiskInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.AttachDiskInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.attach_disk_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_attach_disk_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.AttachDiskInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["attached_disk_resource"] = {
        "architecture": "architecture_value",
        "auto_delete": True,
        "boot": True,
        "device_name": "device_name_value",
        "disk_encryption_key": {
            "kms_key_name": "kms_key_name_value",
            "kms_key_service_account": "kms_key_service_account_value",
            "raw_key": "raw_key_value",
            "rsa_encrypted_key": "rsa_encrypted_key_value",
            "sha256": "sha256_value",
        },
        "disk_size_gb": 1261,
        "force_attach": True,
        "guest_os_features": [{"type_": "type__value"}],
        "index": 536,
        "initialize_params": {
            "architecture": "architecture_value",
            "description": "description_value",
            "disk_name": "disk_name_value",
            "disk_size_gb": 1261,
            "disk_type": "disk_type_value",
            "labels": {},
            "licenses": ["licenses_value1", "licenses_value2"],
            "on_update_action": "on_update_action_value",
            "provisioned_iops": 1740,
            "provisioned_throughput": 2411,
            "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "source_image": "source_image_value",
            "source_image_encryption_key": {},
            "source_snapshot": "source_snapshot_value",
            "source_snapshot_encryption_key": {},
        },
        "interface": "interface_value",
        "kind": "kind_value",
        "licenses": ["licenses_value1", "licenses_value2"],
        "mode": "mode_value",
        "saved_state": "saved_state_value",
        "shielded_instance_initial_state": {
            "dbs": [{"content": "content_value", "file_type": "file_type_value"}],
            "dbxs": {},
            "keks": {},
            "pk": {},
        },
        "source": "source_value",
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.attach_disk_unary(request)


def test_attach_disk_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            attached_disk_resource=compute.AttachedDisk(
                architecture="architecture_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.attach_disk_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/attachDisk"
            % client.transport._host,
            args[1],
        )


def test_attach_disk_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.attach_disk_unary(
            compute.AttachDiskInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            attached_disk_resource=compute.AttachedDisk(
                architecture="architecture_value"
            ),
        )


def test_attach_disk_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.BulkInsertInstanceRequest,
        dict,
    ],
)
def test_bulk_insert_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["bulk_insert_instance_resource_resource"] = {
        "count": 553,
        "instance_properties": {
            "advanced_machine_features": {
                "enable_nested_virtualization": True,
                "enable_uefi_networking": True,
                "threads_per_core": 1689,
                "visible_core_count": 1918,
            },
            "can_ip_forward": True,
            "confidential_instance_config": {"enable_confidential_compute": True},
            "description": "description_value",
            "disks": [
                {
                    "architecture": "architecture_value",
                    "auto_delete": True,
                    "boot": True,
                    "device_name": "device_name_value",
                    "disk_encryption_key": {
                        "kms_key_name": "kms_key_name_value",
                        "kms_key_service_account": "kms_key_service_account_value",
                        "raw_key": "raw_key_value",
                        "rsa_encrypted_key": "rsa_encrypted_key_value",
                        "sha256": "sha256_value",
                    },
                    "disk_size_gb": 1261,
                    "force_attach": True,
                    "guest_os_features": [{"type_": "type__value"}],
                    "index": 536,
                    "initialize_params": {
                        "architecture": "architecture_value",
                        "description": "description_value",
                        "disk_name": "disk_name_value",
                        "disk_size_gb": 1261,
                        "disk_type": "disk_type_value",
                        "labels": {},
                        "licenses": ["licenses_value1", "licenses_value2"],
                        "on_update_action": "on_update_action_value",
                        "provisioned_iops": 1740,
                        "provisioned_throughput": 2411,
                        "replica_zones": [
                            "replica_zones_value1",
                            "replica_zones_value2",
                        ],
                        "resource_manager_tags": {},
                        "resource_policies": [
                            "resource_policies_value1",
                            "resource_policies_value2",
                        ],
                        "source_image": "source_image_value",
                        "source_image_encryption_key": {},
                        "source_snapshot": "source_snapshot_value",
                        "source_snapshot_encryption_key": {},
                    },
                    "interface": "interface_value",
                    "kind": "kind_value",
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "mode": "mode_value",
                    "saved_state": "saved_state_value",
                    "shielded_instance_initial_state": {
                        "dbs": [
                            {"content": "content_value", "file_type": "file_type_value"}
                        ],
                        "dbxs": {},
                        "keks": {},
                        "pk": {},
                    },
                    "source": "source_value",
                    "type_": "type__value",
                }
            ],
            "guest_accelerators": [
                {
                    "accelerator_count": 1805,
                    "accelerator_type": "accelerator_type_value",
                }
            ],
            "key_revocation_action_type": "key_revocation_action_type_value",
            "labels": {},
            "machine_type": "machine_type_value",
            "metadata": {
                "fingerprint": "fingerprint_value",
                "items": [{"key": "key_value", "value": "value_value"}],
                "kind": "kind_value",
            },
            "min_cpu_platform": "min_cpu_platform_value",
            "network_interfaces": [
                {
                    "access_configs": [
                        {
                            "external_ipv6": "external_ipv6_value",
                            "external_ipv6_prefix_length": 2837,
                            "kind": "kind_value",
                            "name": "name_value",
                            "nat_i_p": "nat_i_p_value",
                            "network_tier": "network_tier_value",
                            "public_ptr_domain_name": "public_ptr_domain_name_value",
                            "set_public_ptr": True,
                            "type_": "type__value",
                        }
                    ],
                    "alias_ip_ranges": [
                        {
                            "ip_cidr_range": "ip_cidr_range_value",
                            "subnetwork_range_name": "subnetwork_range_name_value",
                        }
                    ],
                    "fingerprint": "fingerprint_value",
                    "internal_ipv6_prefix_length": 2831,
                    "ipv6_access_configs": {},
                    "ipv6_access_type": "ipv6_access_type_value",
                    "ipv6_address": "ipv6_address_value",
                    "kind": "kind_value",
                    "name": "name_value",
                    "network": "network_value",
                    "network_attachment": "network_attachment_value",
                    "network_i_p": "network_i_p_value",
                    "nic_type": "nic_type_value",
                    "queue_count": 1197,
                    "stack_type": "stack_type_value",
                    "subnetwork": "subnetwork_value",
                }
            ],
            "network_performance_config": {
                "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
            },
            "private_ipv6_google_access": "private_ipv6_google_access_value",
            "reservation_affinity": {
                "consume_reservation_type": "consume_reservation_type_value",
                "key": "key_value",
                "values": ["values_value1", "values_value2"],
            },
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "scheduling": {
                "automatic_restart": True,
                "instance_termination_action": "instance_termination_action_value",
                "location_hint": "location_hint_value",
                "min_node_cpus": 1379,
                "node_affinities": [
                    {
                        "key": "key_value",
                        "operator": "operator_value",
                        "values": ["values_value1", "values_value2"],
                    }
                ],
                "on_host_maintenance": "on_host_maintenance_value",
                "preemptible": True,
                "provisioning_model": "provisioning_model_value",
            },
            "service_accounts": [
                {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
            ],
            "shielded_instance_config": {
                "enable_integrity_monitoring": True,
                "enable_secure_boot": True,
                "enable_vtpm": True,
            },
            "tags": {
                "fingerprint": "fingerprint_value",
                "items": ["items_value1", "items_value2"],
            },
        },
        "location_policy": {"locations": {}, "target_shape": "target_shape_value"},
        "min_count": 972,
        "name_pattern": "name_pattern_value",
        "per_instance_properties": {},
        "source_instance_template": "source_instance_template_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.bulk_insert(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_bulk_insert_rest_required_fields(
    request_type=compute.BulkInsertInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).bulk_insert._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).bulk_insert._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.bulk_insert(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_bulk_insert_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.bulk_insert._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "bulkInsertInstanceResourceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_bulk_insert_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_bulk_insert"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_bulk_insert"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.BulkInsertInstanceRequest.pb(
            compute.BulkInsertInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.BulkInsertInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.bulk_insert(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_bulk_insert_rest_bad_request(
    transport: str = "rest", request_type=compute.BulkInsertInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["bulk_insert_instance_resource_resource"] = {
        "count": 553,
        "instance_properties": {
            "advanced_machine_features": {
                "enable_nested_virtualization": True,
                "enable_uefi_networking": True,
                "threads_per_core": 1689,
                "visible_core_count": 1918,
            },
            "can_ip_forward": True,
            "confidential_instance_config": {"enable_confidential_compute": True},
            "description": "description_value",
            "disks": [
                {
                    "architecture": "architecture_value",
                    "auto_delete": True,
                    "boot": True,
                    "device_name": "device_name_value",
                    "disk_encryption_key": {
                        "kms_key_name": "kms_key_name_value",
                        "kms_key_service_account": "kms_key_service_account_value",
                        "raw_key": "raw_key_value",
                        "rsa_encrypted_key": "rsa_encrypted_key_value",
                        "sha256": "sha256_value",
                    },
                    "disk_size_gb": 1261,
                    "force_attach": True,
                    "guest_os_features": [{"type_": "type__value"}],
                    "index": 536,
                    "initialize_params": {
                        "architecture": "architecture_value",
                        "description": "description_value",
                        "disk_name": "disk_name_value",
                        "disk_size_gb": 1261,
                        "disk_type": "disk_type_value",
                        "labels": {},
                        "licenses": ["licenses_value1", "licenses_value2"],
                        "on_update_action": "on_update_action_value",
                        "provisioned_iops": 1740,
                        "provisioned_throughput": 2411,
                        "replica_zones": [
                            "replica_zones_value1",
                            "replica_zones_value2",
                        ],
                        "resource_manager_tags": {},
                        "resource_policies": [
                            "resource_policies_value1",
                            "resource_policies_value2",
                        ],
                        "source_image": "source_image_value",
                        "source_image_encryption_key": {},
                        "source_snapshot": "source_snapshot_value",
                        "source_snapshot_encryption_key": {},
                    },
                    "interface": "interface_value",
                    "kind": "kind_value",
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "mode": "mode_value",
                    "saved_state": "saved_state_value",
                    "shielded_instance_initial_state": {
                        "dbs": [
                            {"content": "content_value", "file_type": "file_type_value"}
                        ],
                        "dbxs": {},
                        "keks": {},
                        "pk": {},
                    },
                    "source": "source_value",
                    "type_": "type__value",
                }
            ],
            "guest_accelerators": [
                {
                    "accelerator_count": 1805,
                    "accelerator_type": "accelerator_type_value",
                }
            ],
            "key_revocation_action_type": "key_revocation_action_type_value",
            "labels": {},
            "machine_type": "machine_type_value",
            "metadata": {
                "fingerprint": "fingerprint_value",
                "items": [{"key": "key_value", "value": "value_value"}],
                "kind": "kind_value",
            },
            "min_cpu_platform": "min_cpu_platform_value",
            "network_interfaces": [
                {
                    "access_configs": [
                        {
                            "external_ipv6": "external_ipv6_value",
                            "external_ipv6_prefix_length": 2837,
                            "kind": "kind_value",
                            "name": "name_value",
                            "nat_i_p": "nat_i_p_value",
                            "network_tier": "network_tier_value",
                            "public_ptr_domain_name": "public_ptr_domain_name_value",
                            "set_public_ptr": True,
                            "type_": "type__value",
                        }
                    ],
                    "alias_ip_ranges": [
                        {
                            "ip_cidr_range": "ip_cidr_range_value",
                            "subnetwork_range_name": "subnetwork_range_name_value",
                        }
                    ],
                    "fingerprint": "fingerprint_value",
                    "internal_ipv6_prefix_length": 2831,
                    "ipv6_access_configs": {},
                    "ipv6_access_type": "ipv6_access_type_value",
                    "ipv6_address": "ipv6_address_value",
                    "kind": "kind_value",
                    "name": "name_value",
                    "network": "network_value",
                    "network_attachment": "network_attachment_value",
                    "network_i_p": "network_i_p_value",
                    "nic_type": "nic_type_value",
                    "queue_count": 1197,
                    "stack_type": "stack_type_value",
                    "subnetwork": "subnetwork_value",
                }
            ],
            "network_performance_config": {
                "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
            },
            "private_ipv6_google_access": "private_ipv6_google_access_value",
            "reservation_affinity": {
                "consume_reservation_type": "consume_reservation_type_value",
                "key": "key_value",
                "values": ["values_value1", "values_value2"],
            },
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "scheduling": {
                "automatic_restart": True,
                "instance_termination_action": "instance_termination_action_value",
                "location_hint": "location_hint_value",
                "min_node_cpus": 1379,
                "node_affinities": [
                    {
                        "key": "key_value",
                        "operator": "operator_value",
                        "values": ["values_value1", "values_value2"],
                    }
                ],
                "on_host_maintenance": "on_host_maintenance_value",
                "preemptible": True,
                "provisioning_model": "provisioning_model_value",
            },
            "service_accounts": [
                {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
            ],
            "shielded_instance_config": {
                "enable_integrity_monitoring": True,
                "enable_secure_boot": True,
                "enable_vtpm": True,
            },
            "tags": {
                "fingerprint": "fingerprint_value",
                "items": ["items_value1", "items_value2"],
            },
        },
        "location_policy": {"locations": {}, "target_shape": "target_shape_value"},
        "min_count": 972,
        "name_pattern": "name_pattern_value",
        "per_instance_properties": {},
        "source_instance_template": "source_instance_template_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.bulk_insert(request)


def test_bulk_insert_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {"project": "sample1", "zone": "sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            bulk_insert_instance_resource_resource=compute.BulkInsertInstanceResource(
                count=553
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.bulk_insert(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/bulkInsert"
            % client.transport._host,
            args[1],
        )


def test_bulk_insert_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.bulk_insert(
            compute.BulkInsertInstanceRequest(),
            project="project_value",
            zone="zone_value",
            bulk_insert_instance_resource_resource=compute.BulkInsertInstanceResource(
                count=553
            ),
        )


def test_bulk_insert_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.BulkInsertInstanceRequest,
        dict,
    ],
)
def test_bulk_insert_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["bulk_insert_instance_resource_resource"] = {
        "count": 553,
        "instance_properties": {
            "advanced_machine_features": {
                "enable_nested_virtualization": True,
                "enable_uefi_networking": True,
                "threads_per_core": 1689,
                "visible_core_count": 1918,
            },
            "can_ip_forward": True,
            "confidential_instance_config": {"enable_confidential_compute": True},
            "description": "description_value",
            "disks": [
                {
                    "architecture": "architecture_value",
                    "auto_delete": True,
                    "boot": True,
                    "device_name": "device_name_value",
                    "disk_encryption_key": {
                        "kms_key_name": "kms_key_name_value",
                        "kms_key_service_account": "kms_key_service_account_value",
                        "raw_key": "raw_key_value",
                        "rsa_encrypted_key": "rsa_encrypted_key_value",
                        "sha256": "sha256_value",
                    },
                    "disk_size_gb": 1261,
                    "force_attach": True,
                    "guest_os_features": [{"type_": "type__value"}],
                    "index": 536,
                    "initialize_params": {
                        "architecture": "architecture_value",
                        "description": "description_value",
                        "disk_name": "disk_name_value",
                        "disk_size_gb": 1261,
                        "disk_type": "disk_type_value",
                        "labels": {},
                        "licenses": ["licenses_value1", "licenses_value2"],
                        "on_update_action": "on_update_action_value",
                        "provisioned_iops": 1740,
                        "provisioned_throughput": 2411,
                        "replica_zones": [
                            "replica_zones_value1",
                            "replica_zones_value2",
                        ],
                        "resource_manager_tags": {},
                        "resource_policies": [
                            "resource_policies_value1",
                            "resource_policies_value2",
                        ],
                        "source_image": "source_image_value",
                        "source_image_encryption_key": {},
                        "source_snapshot": "source_snapshot_value",
                        "source_snapshot_encryption_key": {},
                    },
                    "interface": "interface_value",
                    "kind": "kind_value",
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "mode": "mode_value",
                    "saved_state": "saved_state_value",
                    "shielded_instance_initial_state": {
                        "dbs": [
                            {"content": "content_value", "file_type": "file_type_value"}
                        ],
                        "dbxs": {},
                        "keks": {},
                        "pk": {},
                    },
                    "source": "source_value",
                    "type_": "type__value",
                }
            ],
            "guest_accelerators": [
                {
                    "accelerator_count": 1805,
                    "accelerator_type": "accelerator_type_value",
                }
            ],
            "key_revocation_action_type": "key_revocation_action_type_value",
            "labels": {},
            "machine_type": "machine_type_value",
            "metadata": {
                "fingerprint": "fingerprint_value",
                "items": [{"key": "key_value", "value": "value_value"}],
                "kind": "kind_value",
            },
            "min_cpu_platform": "min_cpu_platform_value",
            "network_interfaces": [
                {
                    "access_configs": [
                        {
                            "external_ipv6": "external_ipv6_value",
                            "external_ipv6_prefix_length": 2837,
                            "kind": "kind_value",
                            "name": "name_value",
                            "nat_i_p": "nat_i_p_value",
                            "network_tier": "network_tier_value",
                            "public_ptr_domain_name": "public_ptr_domain_name_value",
                            "set_public_ptr": True,
                            "type_": "type__value",
                        }
                    ],
                    "alias_ip_ranges": [
                        {
                            "ip_cidr_range": "ip_cidr_range_value",
                            "subnetwork_range_name": "subnetwork_range_name_value",
                        }
                    ],
                    "fingerprint": "fingerprint_value",
                    "internal_ipv6_prefix_length": 2831,
                    "ipv6_access_configs": {},
                    "ipv6_access_type": "ipv6_access_type_value",
                    "ipv6_address": "ipv6_address_value",
                    "kind": "kind_value",
                    "name": "name_value",
                    "network": "network_value",
                    "network_attachment": "network_attachment_value",
                    "network_i_p": "network_i_p_value",
                    "nic_type": "nic_type_value",
                    "queue_count": 1197,
                    "stack_type": "stack_type_value",
                    "subnetwork": "subnetwork_value",
                }
            ],
            "network_performance_config": {
                "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
            },
            "private_ipv6_google_access": "private_ipv6_google_access_value",
            "reservation_affinity": {
                "consume_reservation_type": "consume_reservation_type_value",
                "key": "key_value",
                "values": ["values_value1", "values_value2"],
            },
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "scheduling": {
                "automatic_restart": True,
                "instance_termination_action": "instance_termination_action_value",
                "location_hint": "location_hint_value",
                "min_node_cpus": 1379,
                "node_affinities": [
                    {
                        "key": "key_value",
                        "operator": "operator_value",
                        "values": ["values_value1", "values_value2"],
                    }
                ],
                "on_host_maintenance": "on_host_maintenance_value",
                "preemptible": True,
                "provisioning_model": "provisioning_model_value",
            },
            "service_accounts": [
                {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
            ],
            "shielded_instance_config": {
                "enable_integrity_monitoring": True,
                "enable_secure_boot": True,
                "enable_vtpm": True,
            },
            "tags": {
                "fingerprint": "fingerprint_value",
                "items": ["items_value1", "items_value2"],
            },
        },
        "location_policy": {"locations": {}, "target_shape": "target_shape_value"},
        "min_count": 972,
        "name_pattern": "name_pattern_value",
        "per_instance_properties": {},
        "source_instance_template": "source_instance_template_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.bulk_insert_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_bulk_insert_unary_rest_required_fields(
    request_type=compute.BulkInsertInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).bulk_insert._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).bulk_insert._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.bulk_insert_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_bulk_insert_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.bulk_insert._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "bulkInsertInstanceResourceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_bulk_insert_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_bulk_insert"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_bulk_insert"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.BulkInsertInstanceRequest.pb(
            compute.BulkInsertInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.BulkInsertInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.bulk_insert_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_bulk_insert_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.BulkInsertInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["bulk_insert_instance_resource_resource"] = {
        "count": 553,
        "instance_properties": {
            "advanced_machine_features": {
                "enable_nested_virtualization": True,
                "enable_uefi_networking": True,
                "threads_per_core": 1689,
                "visible_core_count": 1918,
            },
            "can_ip_forward": True,
            "confidential_instance_config": {"enable_confidential_compute": True},
            "description": "description_value",
            "disks": [
                {
                    "architecture": "architecture_value",
                    "auto_delete": True,
                    "boot": True,
                    "device_name": "device_name_value",
                    "disk_encryption_key": {
                        "kms_key_name": "kms_key_name_value",
                        "kms_key_service_account": "kms_key_service_account_value",
                        "raw_key": "raw_key_value",
                        "rsa_encrypted_key": "rsa_encrypted_key_value",
                        "sha256": "sha256_value",
                    },
                    "disk_size_gb": 1261,
                    "force_attach": True,
                    "guest_os_features": [{"type_": "type__value"}],
                    "index": 536,
                    "initialize_params": {
                        "architecture": "architecture_value",
                        "description": "description_value",
                        "disk_name": "disk_name_value",
                        "disk_size_gb": 1261,
                        "disk_type": "disk_type_value",
                        "labels": {},
                        "licenses": ["licenses_value1", "licenses_value2"],
                        "on_update_action": "on_update_action_value",
                        "provisioned_iops": 1740,
                        "provisioned_throughput": 2411,
                        "replica_zones": [
                            "replica_zones_value1",
                            "replica_zones_value2",
                        ],
                        "resource_manager_tags": {},
                        "resource_policies": [
                            "resource_policies_value1",
                            "resource_policies_value2",
                        ],
                        "source_image": "source_image_value",
                        "source_image_encryption_key": {},
                        "source_snapshot": "source_snapshot_value",
                        "source_snapshot_encryption_key": {},
                    },
                    "interface": "interface_value",
                    "kind": "kind_value",
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "mode": "mode_value",
                    "saved_state": "saved_state_value",
                    "shielded_instance_initial_state": {
                        "dbs": [
                            {"content": "content_value", "file_type": "file_type_value"}
                        ],
                        "dbxs": {},
                        "keks": {},
                        "pk": {},
                    },
                    "source": "source_value",
                    "type_": "type__value",
                }
            ],
            "guest_accelerators": [
                {
                    "accelerator_count": 1805,
                    "accelerator_type": "accelerator_type_value",
                }
            ],
            "key_revocation_action_type": "key_revocation_action_type_value",
            "labels": {},
            "machine_type": "machine_type_value",
            "metadata": {
                "fingerprint": "fingerprint_value",
                "items": [{"key": "key_value", "value": "value_value"}],
                "kind": "kind_value",
            },
            "min_cpu_platform": "min_cpu_platform_value",
            "network_interfaces": [
                {
                    "access_configs": [
                        {
                            "external_ipv6": "external_ipv6_value",
                            "external_ipv6_prefix_length": 2837,
                            "kind": "kind_value",
                            "name": "name_value",
                            "nat_i_p": "nat_i_p_value",
                            "network_tier": "network_tier_value",
                            "public_ptr_domain_name": "public_ptr_domain_name_value",
                            "set_public_ptr": True,
                            "type_": "type__value",
                        }
                    ],
                    "alias_ip_ranges": [
                        {
                            "ip_cidr_range": "ip_cidr_range_value",
                            "subnetwork_range_name": "subnetwork_range_name_value",
                        }
                    ],
                    "fingerprint": "fingerprint_value",
                    "internal_ipv6_prefix_length": 2831,
                    "ipv6_access_configs": {},
                    "ipv6_access_type": "ipv6_access_type_value",
                    "ipv6_address": "ipv6_address_value",
                    "kind": "kind_value",
                    "name": "name_value",
                    "network": "network_value",
                    "network_attachment": "network_attachment_value",
                    "network_i_p": "network_i_p_value",
                    "nic_type": "nic_type_value",
                    "queue_count": 1197,
                    "stack_type": "stack_type_value",
                    "subnetwork": "subnetwork_value",
                }
            ],
            "network_performance_config": {
                "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
            },
            "private_ipv6_google_access": "private_ipv6_google_access_value",
            "reservation_affinity": {
                "consume_reservation_type": "consume_reservation_type_value",
                "key": "key_value",
                "values": ["values_value1", "values_value2"],
            },
            "resource_manager_tags": {},
            "resource_policies": [
                "resource_policies_value1",
                "resource_policies_value2",
            ],
            "scheduling": {
                "automatic_restart": True,
                "instance_termination_action": "instance_termination_action_value",
                "location_hint": "location_hint_value",
                "min_node_cpus": 1379,
                "node_affinities": [
                    {
                        "key": "key_value",
                        "operator": "operator_value",
                        "values": ["values_value1", "values_value2"],
                    }
                ],
                "on_host_maintenance": "on_host_maintenance_value",
                "preemptible": True,
                "provisioning_model": "provisioning_model_value",
            },
            "service_accounts": [
                {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
            ],
            "shielded_instance_config": {
                "enable_integrity_monitoring": True,
                "enable_secure_boot": True,
                "enable_vtpm": True,
            },
            "tags": {
                "fingerprint": "fingerprint_value",
                "items": ["items_value1", "items_value2"],
            },
        },
        "location_policy": {"locations": {}, "target_shape": "target_shape_value"},
        "min_count": 972,
        "name_pattern": "name_pattern_value",
        "per_instance_properties": {},
        "source_instance_template": "source_instance_template_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.bulk_insert_unary(request)


def test_bulk_insert_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {"project": "sample1", "zone": "sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            bulk_insert_instance_resource_resource=compute.BulkInsertInstanceResource(
                count=553
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.bulk_insert_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/bulkInsert"
            % client.transport._host,
            args[1],
        )


def test_bulk_insert_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.bulk_insert_unary(
            compute.BulkInsertInstanceRequest(),
            project="project_value",
            zone="zone_value",
            bulk_insert_instance_resource_resource=compute.BulkInsertInstanceResource(
                count=553
            ),
        )


def test_bulk_insert_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.DeleteInstanceRequest,
        dict,
    ],
)
def test_delete_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.delete(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_delete_rest_required_fields(request_type=compute.DeleteInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "delete",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.delete(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_delete"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_delete"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.DeleteInstanceRequest.pb(compute.DeleteInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.DeleteInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.delete(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_delete_rest_bad_request(
    transport: str = "rest", request_type=compute.DeleteInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.delete(request)


def test_delete_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.delete(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}"
            % client.transport._host,
            args[1],
        )


def test_delete_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete(
            compute.DeleteInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_delete_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.DeleteInstanceRequest,
        dict,
    ],
)
def test_delete_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.delete_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_delete_unary_rest_required_fields(request_type=compute.DeleteInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "delete",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.delete_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_delete"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_delete"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.DeleteInstanceRequest.pb(compute.DeleteInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.DeleteInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.delete_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_delete_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.DeleteInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.delete_unary(request)


def test_delete_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.delete_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}"
            % client.transport._host,
            args[1],
        )


def test_delete_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_unary(
            compute.DeleteInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_delete_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.DeleteAccessConfigInstanceRequest,
        dict,
    ],
)
def test_delete_access_config_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.delete_access_config(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_delete_access_config_rest_required_fields(
    request_type=compute.DeleteAccessConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["access_config"] = ""
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "accessConfig" not in jsonified_request
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_access_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "accessConfig" in jsonified_request
    assert jsonified_request["accessConfig"] == request_init["access_config"]
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["accessConfig"] = "access_config_value"
    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_access_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "access_config",
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "accessConfig" in jsonified_request
    assert jsonified_request["accessConfig"] == "access_config_value"
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.delete_access_config(request)

            expected_params = [
                (
                    "accessConfig",
                    "",
                ),
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_access_config_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete_access_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "accessConfig",
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "accessConfig",
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_access_config_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_delete_access_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_delete_access_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.DeleteAccessConfigInstanceRequest.pb(
            compute.DeleteAccessConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.DeleteAccessConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.delete_access_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_delete_access_config_rest_bad_request(
    transport: str = "rest", request_type=compute.DeleteAccessConfigInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.delete_access_config(request)


def test_delete_access_config_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            access_config="access_config_value",
            network_interface="network_interface_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.delete_access_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/deleteAccessConfig"
            % client.transport._host,
            args[1],
        )


def test_delete_access_config_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_access_config(
            compute.DeleteAccessConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            access_config="access_config_value",
            network_interface="network_interface_value",
        )


def test_delete_access_config_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.DeleteAccessConfigInstanceRequest,
        dict,
    ],
)
def test_delete_access_config_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.delete_access_config_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_delete_access_config_unary_rest_required_fields(
    request_type=compute.DeleteAccessConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["access_config"] = ""
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "accessConfig" not in jsonified_request
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_access_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "accessConfig" in jsonified_request
    assert jsonified_request["accessConfig"] == request_init["access_config"]
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["accessConfig"] = "access_config_value"
    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).delete_access_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "access_config",
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "accessConfig" in jsonified_request
    assert jsonified_request["accessConfig"] == "access_config_value"
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.delete_access_config_unary(request)

            expected_params = [
                (
                    "accessConfig",
                    "",
                ),
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_delete_access_config_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.delete_access_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "accessConfig",
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "accessConfig",
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_delete_access_config_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_delete_access_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_delete_access_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.DeleteAccessConfigInstanceRequest.pb(
            compute.DeleteAccessConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.DeleteAccessConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.delete_access_config_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_delete_access_config_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.DeleteAccessConfigInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.delete_access_config_unary(request)


def test_delete_access_config_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            access_config="access_config_value",
            network_interface="network_interface_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.delete_access_config_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/deleteAccessConfig"
            % client.transport._host,
            args[1],
        )


def test_delete_access_config_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.delete_access_config_unary(
            compute.DeleteAccessConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            access_config="access_config_value",
            network_interface="network_interface_value",
        )


def test_delete_access_config_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.DetachDiskInstanceRequest,
        dict,
    ],
)
def test_detach_disk_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.detach_disk(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_detach_disk_rest_required_fields(
    request_type=compute.DetachDiskInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["device_name"] = ""
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "deviceName" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).detach_disk._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == request_init["device_name"]

    jsonified_request["deviceName"] = "device_name_value"
    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).detach_disk._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "device_name",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == "device_name_value"
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.detach_disk(request)

            expected_params = [
                (
                    "deviceName",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_detach_disk_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.detach_disk._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "deviceName",
                "requestId",
            )
        )
        & set(
            (
                "deviceName",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_detach_disk_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_detach_disk"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_detach_disk"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.DetachDiskInstanceRequest.pb(
            compute.DetachDiskInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.DetachDiskInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.detach_disk(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_detach_disk_rest_bad_request(
    transport: str = "rest", request_type=compute.DetachDiskInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.detach_disk(request)


def test_detach_disk_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            device_name="device_name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.detach_disk(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/detachDisk"
            % client.transport._host,
            args[1],
        )


def test_detach_disk_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.detach_disk(
            compute.DetachDiskInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            device_name="device_name_value",
        )


def test_detach_disk_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.DetachDiskInstanceRequest,
        dict,
    ],
)
def test_detach_disk_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.detach_disk_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_detach_disk_unary_rest_required_fields(
    request_type=compute.DetachDiskInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["device_name"] = ""
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "deviceName" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).detach_disk._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == request_init["device_name"]

    jsonified_request["deviceName"] = "device_name_value"
    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).detach_disk._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "device_name",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == "device_name_value"
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.detach_disk_unary(request)

            expected_params = [
                (
                    "deviceName",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_detach_disk_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.detach_disk._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "deviceName",
                "requestId",
            )
        )
        & set(
            (
                "deviceName",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_detach_disk_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_detach_disk"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_detach_disk"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.DetachDiskInstanceRequest.pb(
            compute.DetachDiskInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.DetachDiskInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.detach_disk_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_detach_disk_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.DetachDiskInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.detach_disk_unary(request)


def test_detach_disk_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            device_name="device_name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.detach_disk_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/detachDisk"
            % client.transport._host,
            args[1],
        )


def test_detach_disk_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.detach_disk_unary(
            compute.DetachDiskInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            device_name="device_name_value",
        )


def test_detach_disk_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetInstanceRequest,
        dict,
    ],
)
def test_get_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Instance(
            can_ip_forward=True,
            cpu_platform="cpu_platform_value",
            creation_timestamp="creation_timestamp_value",
            deletion_protection=True,
            description="description_value",
            fingerprint="fingerprint_value",
            hostname="hostname_value",
            id=205,
            key_revocation_action_type="key_revocation_action_type_value",
            kind="kind_value",
            label_fingerprint="label_fingerprint_value",
            last_start_timestamp="last_start_timestamp_value",
            last_stop_timestamp="last_stop_timestamp_value",
            last_suspended_timestamp="last_suspended_timestamp_value",
            machine_type="machine_type_value",
            min_cpu_platform="min_cpu_platform_value",
            name="name_value",
            private_ipv6_google_access="private_ipv6_google_access_value",
            resource_policies=["resource_policies_value"],
            satisfies_pzs=True,
            self_link="self_link_value",
            source_machine_image="source_machine_image_value",
            start_restricted=True,
            status="status_value",
            status_message="status_message_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Instance.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Instance)
    assert response.can_ip_forward is True
    assert response.cpu_platform == "cpu_platform_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.deletion_protection is True
    assert response.description == "description_value"
    assert response.fingerprint == "fingerprint_value"
    assert response.hostname == "hostname_value"
    assert response.id == 205
    assert response.key_revocation_action_type == "key_revocation_action_type_value"
    assert response.kind == "kind_value"
    assert response.label_fingerprint == "label_fingerprint_value"
    assert response.last_start_timestamp == "last_start_timestamp_value"
    assert response.last_stop_timestamp == "last_stop_timestamp_value"
    assert response.last_suspended_timestamp == "last_suspended_timestamp_value"
    assert response.machine_type == "machine_type_value"
    assert response.min_cpu_platform == "min_cpu_platform_value"
    assert response.name == "name_value"
    assert response.private_ipv6_google_access == "private_ipv6_google_access_value"
    assert response.resource_policies == ["resource_policies_value"]
    assert response.satisfies_pzs is True
    assert response.self_link == "self_link_value"
    assert response.source_machine_image == "source_machine_image_value"
    assert response.start_restricted is True
    assert response.status == "status_value"
    assert response.status_message == "status_message_value"
    assert response.zone == "zone_value"


def test_get_rest_required_fields(request_type=compute.GetInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Instance()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Instance.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetInstanceRequest.pb(compute.GetInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Instance.to_json(compute.Instance())

        request = compute.GetInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Instance()

        client.get(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_rest_bad_request(
    transport: str = "rest", request_type=compute.GetInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get(request)


def test_get_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Instance()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Instance.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}"
            % client.transport._host,
            args[1],
        )


def test_get_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get(
            compute.GetInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_get_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetEffectiveFirewallsInstanceRequest,
        dict,
    ],
)
def test_get_effective_firewalls_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstancesGetEffectiveFirewallsResponse()

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstancesGetEffectiveFirewallsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get_effective_firewalls(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.InstancesGetEffectiveFirewallsResponse)


def test_get_effective_firewalls_rest_required_fields(
    request_type=compute.GetEffectiveFirewallsInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_effective_firewalls._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_effective_firewalls._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("network_interface",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.InstancesGetEffectiveFirewallsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.InstancesGetEffectiveFirewallsResponse.pb(
                return_value
            )
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get_effective_firewalls(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_effective_firewalls_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_effective_firewalls._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("networkInterface",))
        & set(
            (
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_effective_firewalls_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get_effective_firewalls"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get_effective_firewalls"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetEffectiveFirewallsInstanceRequest.pb(
            compute.GetEffectiveFirewallsInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = (
            compute.InstancesGetEffectiveFirewallsResponse.to_json(
                compute.InstancesGetEffectiveFirewallsResponse()
            )
        )

        request = compute.GetEffectiveFirewallsInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.InstancesGetEffectiveFirewallsResponse()

        client.get_effective_firewalls(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_effective_firewalls_rest_bad_request(
    transport: str = "rest", request_type=compute.GetEffectiveFirewallsInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get_effective_firewalls(request)


def test_get_effective_firewalls_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstancesGetEffectiveFirewallsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstancesGetEffectiveFirewallsResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get_effective_firewalls(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/getEffectiveFirewalls"
            % client.transport._host,
            args[1],
        )


def test_get_effective_firewalls_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_effective_firewalls(
            compute.GetEffectiveFirewallsInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
        )


def test_get_effective_firewalls_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetGuestAttributesInstanceRequest,
        dict,
    ],
)
def test_get_guest_attributes_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.GuestAttributes(
            kind="kind_value",
            query_path="query_path_value",
            self_link="self_link_value",
            variable_key="variable_key_value",
            variable_value="variable_value_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.GuestAttributes.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get_guest_attributes(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.GuestAttributes)
    assert response.kind == "kind_value"
    assert response.query_path == "query_path_value"
    assert response.self_link == "self_link_value"
    assert response.variable_key == "variable_key_value"
    assert response.variable_value == "variable_value_value"


def test_get_guest_attributes_rest_required_fields(
    request_type=compute.GetGuestAttributesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_guest_attributes._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_guest_attributes._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "query_path",
            "variable_key",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.GuestAttributes()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.GuestAttributes.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get_guest_attributes(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_guest_attributes_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_guest_attributes._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "queryPath",
                "variableKey",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_guest_attributes_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get_guest_attributes"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get_guest_attributes"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetGuestAttributesInstanceRequest.pb(
            compute.GetGuestAttributesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.GuestAttributes.to_json(
            compute.GuestAttributes()
        )

        request = compute.GetGuestAttributesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.GuestAttributes()

        client.get_guest_attributes(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_guest_attributes_rest_bad_request(
    transport: str = "rest", request_type=compute.GetGuestAttributesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get_guest_attributes(request)


def test_get_guest_attributes_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.GuestAttributes()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.GuestAttributes.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get_guest_attributes(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/getGuestAttributes"
            % client.transport._host,
            args[1],
        )


def test_get_guest_attributes_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_guest_attributes(
            compute.GetGuestAttributesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_get_guest_attributes_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetIamPolicyInstanceRequest,
        dict,
    ],
)
def test_get_iam_policy_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Policy(
            etag="etag_value",
            iam_owned=True,
            version=774,
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Policy.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get_iam_policy(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Policy)
    assert response.etag == "etag_value"
    assert response.iam_owned is True
    assert response.version == 774


def test_get_iam_policy_rest_required_fields(
    request_type=compute.GetIamPolicyInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["resource"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["resource"] = "resource_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_iam_policy._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("options_requested_policy_version",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Policy()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Policy.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get_iam_policy(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_iam_policy_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_iam_policy._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("optionsRequestedPolicyVersion",))
        & set(
            (
                "project",
                "resource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_iam_policy_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get_iam_policy"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get_iam_policy"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetIamPolicyInstanceRequest.pb(
            compute.GetIamPolicyInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Policy.to_json(compute.Policy())

        request = compute.GetIamPolicyInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Policy()

        client.get_iam_policy(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_iam_policy_rest_bad_request(
    transport: str = "rest", request_type=compute.GetIamPolicyInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get_iam_policy(request)


def test_get_iam_policy_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Policy()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "resource": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            resource="resource_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Policy.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get_iam_policy(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{resource}/getIamPolicy"
            % client.transport._host,
            args[1],
        )


def test_get_iam_policy_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_iam_policy(
            compute.GetIamPolicyInstanceRequest(),
            project="project_value",
            zone="zone_value",
            resource="resource_value",
        )


def test_get_iam_policy_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetScreenshotInstanceRequest,
        dict,
    ],
)
def test_get_screenshot_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Screenshot(
            contents="contents_value",
            kind="kind_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Screenshot.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get_screenshot(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Screenshot)
    assert response.contents == "contents_value"
    assert response.kind == "kind_value"


def test_get_screenshot_rest_required_fields(
    request_type=compute.GetScreenshotInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_screenshot._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_screenshot._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Screenshot()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Screenshot.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get_screenshot(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_screenshot_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_screenshot._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_screenshot_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get_screenshot"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get_screenshot"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetScreenshotInstanceRequest.pb(
            compute.GetScreenshotInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Screenshot.to_json(compute.Screenshot())

        request = compute.GetScreenshotInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Screenshot()

        client.get_screenshot(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_screenshot_rest_bad_request(
    transport: str = "rest", request_type=compute.GetScreenshotInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get_screenshot(request)


def test_get_screenshot_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Screenshot()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Screenshot.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get_screenshot(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/screenshot"
            % client.transport._host,
            args[1],
        )


def test_get_screenshot_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_screenshot(
            compute.GetScreenshotInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_get_screenshot_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetSerialPortOutputInstanceRequest,
        dict,
    ],
)
def test_get_serial_port_output_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.SerialPortOutput(
            contents="contents_value",
            kind="kind_value",
            next_=542,
            self_link="self_link_value",
            start=558,
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.SerialPortOutput.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get_serial_port_output(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.SerialPortOutput)
    assert response.contents == "contents_value"
    assert response.kind == "kind_value"
    assert response.next_ == 542
    assert response.self_link == "self_link_value"
    assert response.start == 558


def test_get_serial_port_output_rest_required_fields(
    request_type=compute.GetSerialPortOutputInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_serial_port_output._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_serial_port_output._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "port",
            "start",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.SerialPortOutput()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.SerialPortOutput.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get_serial_port_output(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_serial_port_output_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_serial_port_output._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "port",
                "start",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_serial_port_output_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get_serial_port_output"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get_serial_port_output"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetSerialPortOutputInstanceRequest.pb(
            compute.GetSerialPortOutputInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.SerialPortOutput.to_json(
            compute.SerialPortOutput()
        )

        request = compute.GetSerialPortOutputInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.SerialPortOutput()

        client.get_serial_port_output(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_serial_port_output_rest_bad_request(
    transport: str = "rest", request_type=compute.GetSerialPortOutputInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get_serial_port_output(request)


def test_get_serial_port_output_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.SerialPortOutput()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.SerialPortOutput.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get_serial_port_output(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/serialPort"
            % client.transport._host,
            args[1],
        )


def test_get_serial_port_output_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_serial_port_output(
            compute.GetSerialPortOutputInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_get_serial_port_output_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.GetShieldedInstanceIdentityInstanceRequest,
        dict,
    ],
)
def test_get_shielded_instance_identity_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.ShieldedInstanceIdentity(
            kind="kind_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.ShieldedInstanceIdentity.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.get_shielded_instance_identity(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.ShieldedInstanceIdentity)
    assert response.kind == "kind_value"


def test_get_shielded_instance_identity_rest_required_fields(
    request_type=compute.GetShieldedInstanceIdentityInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_shielded_instance_identity._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).get_shielded_instance_identity._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.ShieldedInstanceIdentity()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.ShieldedInstanceIdentity.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.get_shielded_instance_identity(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_get_shielded_instance_identity_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.get_shielded_instance_identity._get_unset_required_fields(
        {}
    )
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_get_shielded_instance_identity_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_get_shielded_instance_identity"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_get_shielded_instance_identity"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.GetShieldedInstanceIdentityInstanceRequest.pb(
            compute.GetShieldedInstanceIdentityInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.ShieldedInstanceIdentity.to_json(
            compute.ShieldedInstanceIdentity()
        )

        request = compute.GetShieldedInstanceIdentityInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.ShieldedInstanceIdentity()

        client.get_shielded_instance_identity(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_get_shielded_instance_identity_rest_bad_request(
    transport: str = "rest",
    request_type=compute.GetShieldedInstanceIdentityInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.get_shielded_instance_identity(request)


def test_get_shielded_instance_identity_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.ShieldedInstanceIdentity()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.ShieldedInstanceIdentity.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.get_shielded_instance_identity(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/getShieldedInstanceIdentity"
            % client.transport._host,
            args[1],
        )


def test_get_shielded_instance_identity_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.get_shielded_instance_identity(
            compute.GetShieldedInstanceIdentityInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_get_shielded_instance_identity_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.InsertInstanceRequest,
        dict,
    ],
)
def test_insert_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.insert(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_insert_rest_required_fields(request_type=compute.InsertInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).insert._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).insert._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "request_id",
            "source_instance_template",
            "source_machine_image",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.insert(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_insert_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.insert._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "requestId",
                "sourceInstanceTemplate",
                "sourceMachineImage",
            )
        )
        & set(
            (
                "instanceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_insert_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_insert"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_insert"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.InsertInstanceRequest.pb(compute.InsertInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.InsertInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.insert(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_insert_rest_bad_request(
    transport: str = "rest", request_type=compute.InsertInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.insert(request)


def test_insert_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {"project": "sample1", "zone": "sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.insert(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances"
            % client.transport._host,
            args[1],
        )


def test_insert_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.insert(
            compute.InsertInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )


def test_insert_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.InsertInstanceRequest,
        dict,
    ],
)
def test_insert_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.insert_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_insert_unary_rest_required_fields(request_type=compute.InsertInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).insert._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).insert._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "request_id",
            "source_instance_template",
            "source_machine_image",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.insert_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_insert_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.insert._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "requestId",
                "sourceInstanceTemplate",
                "sourceMachineImage",
            )
        )
        & set(
            (
                "instanceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_insert_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_insert"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_insert"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.InsertInstanceRequest.pb(compute.InsertInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.InsertInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.insert_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_insert_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.InsertInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.insert_unary(request)


def test_insert_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {"project": "sample1", "zone": "sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.insert_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances"
            % client.transport._host,
            args[1],
        )


def test_insert_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.insert_unary(
            compute.InsertInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )


def test_insert_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.ListInstancesRequest,
        dict,
    ],
)
def test_list_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstanceList(
            id="id_value",
            kind="kind_value",
            next_page_token="next_page_token_value",
            self_link="self_link_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstanceList.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.list(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListPager)
    assert response.id == "id_value"
    assert response.kind == "kind_value"
    assert response.next_page_token == "next_page_token_value"
    assert response.self_link == "self_link_value"


def test_list_rest_required_fields(request_type=compute.ListInstancesRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "filter",
            "max_results",
            "order_by",
            "page_token",
            "return_partial_success",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.InstanceList()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.InstanceList.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.list(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.list._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "filter",
                "maxResults",
                "orderBy",
                "pageToken",
                "returnPartialSuccess",
            )
        )
        & set(
            (
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_list"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_list"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.ListInstancesRequest.pb(compute.ListInstancesRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.InstanceList.to_json(compute.InstanceList())

        request = compute.ListInstancesRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.InstanceList()

        client.list(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_list_rest_bad_request(
    transport: str = "rest", request_type=compute.ListInstancesRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.list(request)


def test_list_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstanceList()

        # get arguments that satisfy an http rule for this method
        sample_request = {"project": "sample1", "zone": "sample2"}

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstanceList.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.list(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances"
            % client.transport._host,
            args[1],
        )


def test_list_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list(
            compute.ListInstancesRequest(),
            project="project_value",
            zone="zone_value",
        )


def test_list_rest_pager(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            compute.InstanceList(
                items=[
                    compute.Instance(),
                    compute.Instance(),
                    compute.Instance(),
                ],
                next_page_token="abc",
            ),
            compute.InstanceList(
                items=[],
                next_page_token="def",
            ),
            compute.InstanceList(
                items=[
                    compute.Instance(),
                ],
                next_page_token="ghi",
            ),
            compute.InstanceList(
                items=[
                    compute.Instance(),
                    compute.Instance(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(compute.InstanceList.to_json(x) for x in response)
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {"project": "sample1", "zone": "sample2"}

        pager = client.list(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, compute.Instance) for i in results)

        pages = list(client.list(request=sample_request).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        compute.ListReferrersInstancesRequest,
        dict,
    ],
)
def test_list_referrers_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstanceListReferrers(
            id="id_value",
            kind="kind_value",
            next_page_token="next_page_token_value",
            self_link="self_link_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstanceListReferrers.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.list_referrers(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, pagers.ListReferrersPager)
    assert response.id == "id_value"
    assert response.kind == "kind_value"
    assert response.next_page_token == "next_page_token_value"
    assert response.self_link == "self_link_value"


def test_list_referrers_rest_required_fields(
    request_type=compute.ListReferrersInstancesRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_referrers._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).list_referrers._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "filter",
            "max_results",
            "order_by",
            "page_token",
            "return_partial_success",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.InstanceListReferrers()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "get",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.InstanceListReferrers.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.list_referrers(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_list_referrers_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.list_referrers._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "filter",
                "maxResults",
                "orderBy",
                "pageToken",
                "returnPartialSuccess",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_list_referrers_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_list_referrers"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_list_referrers"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.ListReferrersInstancesRequest.pb(
            compute.ListReferrersInstancesRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.InstanceListReferrers.to_json(
            compute.InstanceListReferrers()
        )

        request = compute.ListReferrersInstancesRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.InstanceListReferrers()

        client.list_referrers(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_list_referrers_rest_bad_request(
    transport: str = "rest", request_type=compute.ListReferrersInstancesRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.list_referrers(request)


def test_list_referrers_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.InstanceListReferrers()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.InstanceListReferrers.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.list_referrers(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/referrers"
            % client.transport._host,
            args[1],
        )


def test_list_referrers_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.list_referrers(
            compute.ListReferrersInstancesRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_list_referrers_rest_pager(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # TODO(kbandes): remove this mock unless there's a good reason for it.
        # with mock.patch.object(path_template, 'transcode') as transcode:
        # Set the response as a series of pages
        response = (
            compute.InstanceListReferrers(
                items=[
                    compute.Reference(),
                    compute.Reference(),
                    compute.Reference(),
                ],
                next_page_token="abc",
            ),
            compute.InstanceListReferrers(
                items=[],
                next_page_token="def",
            ),
            compute.InstanceListReferrers(
                items=[
                    compute.Reference(),
                ],
                next_page_token="ghi",
            ),
            compute.InstanceListReferrers(
                items=[
                    compute.Reference(),
                    compute.Reference(),
                ],
            ),
        )
        # Two responses for two calls
        response = response + response

        # Wrap the values into proper Response objs
        response = tuple(compute.InstanceListReferrers.to_json(x) for x in response)
        return_values = tuple(Response() for i in response)
        for return_val, response_val in zip(return_values, response):
            return_val._content = response_val.encode("UTF-8")
            return_val.status_code = 200
        req.side_effect = return_values

        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        pager = client.list_referrers(request=sample_request)

        results = list(pager)
        assert len(results) == 6
        assert all(isinstance(i, compute.Reference) for i in results)

        pages = list(client.list_referrers(request=sample_request).pages)
        for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
            assert page_.raw_page.next_page_token == token


@pytest.mark.parametrize(
    "request_type",
    [
        compute.RemoveResourcePoliciesInstanceRequest,
        dict,
    ],
)
def test_remove_resource_policies_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_remove_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.remove_resource_policies(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_remove_resource_policies_rest_required_fields(
    request_type=compute.RemoveResourcePoliciesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).remove_resource_policies._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).remove_resource_policies._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.remove_resource_policies(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_remove_resource_policies_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.remove_resource_policies._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesRemoveResourcePoliciesRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_remove_resource_policies_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_remove_resource_policies"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_remove_resource_policies"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.RemoveResourcePoliciesInstanceRequest.pb(
            compute.RemoveResourcePoliciesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.RemoveResourcePoliciesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.remove_resource_policies(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_remove_resource_policies_rest_bad_request(
    transport: str = "rest", request_type=compute.RemoveResourcePoliciesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_remove_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.remove_resource_policies(request)


def test_remove_resource_policies_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_remove_resource_policies_request_resource=compute.InstancesRemoveResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.remove_resource_policies(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/removeResourcePolicies"
            % client.transport._host,
            args[1],
        )


def test_remove_resource_policies_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.remove_resource_policies(
            compute.RemoveResourcePoliciesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_remove_resource_policies_request_resource=compute.InstancesRemoveResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )


def test_remove_resource_policies_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.RemoveResourcePoliciesInstanceRequest,
        dict,
    ],
)
def test_remove_resource_policies_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_remove_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.remove_resource_policies_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_remove_resource_policies_unary_rest_required_fields(
    request_type=compute.RemoveResourcePoliciesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).remove_resource_policies._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).remove_resource_policies._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.remove_resource_policies_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_remove_resource_policies_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.remove_resource_policies._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesRemoveResourcePoliciesRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_remove_resource_policies_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_remove_resource_policies"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_remove_resource_policies"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.RemoveResourcePoliciesInstanceRequest.pb(
            compute.RemoveResourcePoliciesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.RemoveResourcePoliciesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.remove_resource_policies_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_remove_resource_policies_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.RemoveResourcePoliciesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_remove_resource_policies_request_resource"] = {
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.remove_resource_policies_unary(request)


def test_remove_resource_policies_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_remove_resource_policies_request_resource=compute.InstancesRemoveResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.remove_resource_policies_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/removeResourcePolicies"
            % client.transport._host,
            args[1],
        )


def test_remove_resource_policies_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.remove_resource_policies_unary(
            compute.RemoveResourcePoliciesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_remove_resource_policies_request_resource=compute.InstancesRemoveResourcePoliciesRequest(
                resource_policies=["resource_policies_value"]
            ),
        )


def test_remove_resource_policies_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.ResetInstanceRequest,
        dict,
    ],
)
def test_reset_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.reset(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_reset_rest_required_fields(request_type=compute.ResetInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).reset._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).reset._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.reset(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_reset_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.reset._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_reset_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_reset"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_reset"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.ResetInstanceRequest.pb(compute.ResetInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.ResetInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.reset(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_reset_rest_bad_request(
    transport: str = "rest", request_type=compute.ResetInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.reset(request)


def test_reset_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.reset(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/reset"
            % client.transport._host,
            args[1],
        )


def test_reset_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.reset(
            compute.ResetInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_reset_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.ResetInstanceRequest,
        dict,
    ],
)
def test_reset_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.reset_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_reset_unary_rest_required_fields(request_type=compute.ResetInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).reset._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).reset._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.reset_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_reset_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.reset._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_reset_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_reset"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_reset"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.ResetInstanceRequest.pb(compute.ResetInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.ResetInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.reset_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_reset_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.ResetInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.reset_unary(request)


def test_reset_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.reset_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/reset"
            % client.transport._host,
            args[1],
        )


def test_reset_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.reset_unary(
            compute.ResetInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_reset_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.ResumeInstanceRequest,
        dict,
    ],
)
def test_resume_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.resume(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_resume_rest_required_fields(request_type=compute.ResumeInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).resume._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).resume._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.resume(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_resume_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.resume._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_resume_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_resume"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_resume"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.ResumeInstanceRequest.pb(compute.ResumeInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.ResumeInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.resume(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_resume_rest_bad_request(
    transport: str = "rest", request_type=compute.ResumeInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.resume(request)


def test_resume_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.resume(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/resume"
            % client.transport._host,
            args[1],
        )


def test_resume_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.resume(
            compute.ResumeInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_resume_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.ResumeInstanceRequest,
        dict,
    ],
)
def test_resume_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.resume_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_resume_unary_rest_required_fields(request_type=compute.ResumeInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).resume._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).resume._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.resume_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_resume_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.resume._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_resume_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_resume"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_resume"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.ResumeInstanceRequest.pb(compute.ResumeInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.ResumeInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.resume_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_resume_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.ResumeInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.resume_unary(request)


def test_resume_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.resume_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/resume"
            % client.transport._host,
            args[1],
        )


def test_resume_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.resume_unary(
            compute.ResumeInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_resume_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SendDiagnosticInterruptInstanceRequest,
        dict,
    ],
)
def test_send_diagnostic_interrupt_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.SendDiagnosticInterruptInstanceResponse()

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.SendDiagnosticInterruptInstanceResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.send_diagnostic_interrupt(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.SendDiagnosticInterruptInstanceResponse)


def test_send_diagnostic_interrupt_rest_required_fields(
    request_type=compute.SendDiagnosticInterruptInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).send_diagnostic_interrupt._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).send_diagnostic_interrupt._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.SendDiagnosticInterruptInstanceResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.SendDiagnosticInterruptInstanceResponse.pb(
                return_value
            )
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.send_diagnostic_interrupt(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_send_diagnostic_interrupt_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.send_diagnostic_interrupt._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_send_diagnostic_interrupt_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_send_diagnostic_interrupt"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_send_diagnostic_interrupt"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SendDiagnosticInterruptInstanceRequest.pb(
            compute.SendDiagnosticInterruptInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = (
            compute.SendDiagnosticInterruptInstanceResponse.to_json(
                compute.SendDiagnosticInterruptInstanceResponse()
            )
        )

        request = compute.SendDiagnosticInterruptInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.SendDiagnosticInterruptInstanceResponse()

        client.send_diagnostic_interrupt(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_send_diagnostic_interrupt_rest_bad_request(
    transport: str = "rest", request_type=compute.SendDiagnosticInterruptInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.send_diagnostic_interrupt(request)


def test_send_diagnostic_interrupt_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.SendDiagnosticInterruptInstanceResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.SendDiagnosticInterruptInstanceResponse.pb(
            return_value
        )
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.send_diagnostic_interrupt(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/sendDiagnosticInterrupt"
            % client.transport._host,
            args[1],
        )


def test_send_diagnostic_interrupt_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.send_diagnostic_interrupt(
            compute.SendDiagnosticInterruptInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_send_diagnostic_interrupt_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetDeletionProtectionInstanceRequest,
        dict,
    ],
)
def test_set_deletion_protection_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_deletion_protection(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_deletion_protection_rest_required_fields(
    request_type=compute.SetDeletionProtectionInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["resource"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_deletion_protection._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["resource"] = "resource_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_deletion_protection._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "deletion_protection",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_deletion_protection(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_deletion_protection_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_deletion_protection._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "deletionProtection",
                "requestId",
            )
        )
        & set(
            (
                "project",
                "resource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_deletion_protection_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_deletion_protection"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_deletion_protection"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetDeletionProtectionInstanceRequest.pb(
            compute.SetDeletionProtectionInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetDeletionProtectionInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_deletion_protection(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_deletion_protection_rest_bad_request(
    transport: str = "rest", request_type=compute.SetDeletionProtectionInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_deletion_protection(request)


def test_set_deletion_protection_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "resource": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            resource="resource_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_deletion_protection(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{resource}/setDeletionProtection"
            % client.transport._host,
            args[1],
        )


def test_set_deletion_protection_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_deletion_protection(
            compute.SetDeletionProtectionInstanceRequest(),
            project="project_value",
            zone="zone_value",
            resource="resource_value",
        )


def test_set_deletion_protection_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetDeletionProtectionInstanceRequest,
        dict,
    ],
)
def test_set_deletion_protection_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_deletion_protection_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_deletion_protection_unary_rest_required_fields(
    request_type=compute.SetDeletionProtectionInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["resource"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_deletion_protection._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["resource"] = "resource_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_deletion_protection._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "deletion_protection",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_deletion_protection_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_deletion_protection_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_deletion_protection._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "deletionProtection",
                "requestId",
            )
        )
        & set(
            (
                "project",
                "resource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_deletion_protection_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_deletion_protection"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_deletion_protection"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetDeletionProtectionInstanceRequest.pb(
            compute.SetDeletionProtectionInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetDeletionProtectionInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_deletion_protection_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_deletion_protection_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetDeletionProtectionInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_deletion_protection_unary(request)


def test_set_deletion_protection_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "resource": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            resource="resource_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_deletion_protection_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{resource}/setDeletionProtection"
            % client.transport._host,
            args[1],
        )


def test_set_deletion_protection_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_deletion_protection_unary(
            compute.SetDeletionProtectionInstanceRequest(),
            project="project_value",
            zone="zone_value",
            resource="resource_value",
        )


def test_set_deletion_protection_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetDiskAutoDeleteInstanceRequest,
        dict,
    ],
)
def test_set_disk_auto_delete_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_disk_auto_delete(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_disk_auto_delete_rest_required_fields(
    request_type=compute.SetDiskAutoDeleteInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["auto_delete"] = False
    request_init["device_name"] = ""
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "autoDelete" not in jsonified_request
    assert "deviceName" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_disk_auto_delete._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "autoDelete" in jsonified_request
    assert jsonified_request["autoDelete"] == request_init["auto_delete"]
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == request_init["device_name"]

    jsonified_request["autoDelete"] = True
    jsonified_request["deviceName"] = "device_name_value"
    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_disk_auto_delete._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "auto_delete",
            "device_name",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "autoDelete" in jsonified_request
    assert jsonified_request["autoDelete"] == True
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == "device_name_value"
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_disk_auto_delete(request)

            expected_params = [
                (
                    "autoDelete",
                    str(False).lower(),
                ),
                (
                    "deviceName",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_disk_auto_delete_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_disk_auto_delete._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "autoDelete",
                "deviceName",
                "requestId",
            )
        )
        & set(
            (
                "autoDelete",
                "deviceName",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_disk_auto_delete_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_disk_auto_delete"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_disk_auto_delete"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetDiskAutoDeleteInstanceRequest.pb(
            compute.SetDiskAutoDeleteInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetDiskAutoDeleteInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_disk_auto_delete(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_disk_auto_delete_rest_bad_request(
    transport: str = "rest", request_type=compute.SetDiskAutoDeleteInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_disk_auto_delete(request)


def test_set_disk_auto_delete_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            auto_delete=True,
            device_name="device_name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_disk_auto_delete(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setDiskAutoDelete"
            % client.transport._host,
            args[1],
        )


def test_set_disk_auto_delete_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_disk_auto_delete(
            compute.SetDiskAutoDeleteInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            auto_delete=True,
            device_name="device_name_value",
        )


def test_set_disk_auto_delete_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetDiskAutoDeleteInstanceRequest,
        dict,
    ],
)
def test_set_disk_auto_delete_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_disk_auto_delete_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_disk_auto_delete_unary_rest_required_fields(
    request_type=compute.SetDiskAutoDeleteInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["auto_delete"] = False
    request_init["device_name"] = ""
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "autoDelete" not in jsonified_request
    assert "deviceName" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_disk_auto_delete._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "autoDelete" in jsonified_request
    assert jsonified_request["autoDelete"] == request_init["auto_delete"]
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == request_init["device_name"]

    jsonified_request["autoDelete"] = True
    jsonified_request["deviceName"] = "device_name_value"
    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_disk_auto_delete._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "auto_delete",
            "device_name",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "autoDelete" in jsonified_request
    assert jsonified_request["autoDelete"] == True
    assert "deviceName" in jsonified_request
    assert jsonified_request["deviceName"] == "device_name_value"
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_disk_auto_delete_unary(request)

            expected_params = [
                (
                    "autoDelete",
                    str(False).lower(),
                ),
                (
                    "deviceName",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_disk_auto_delete_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_disk_auto_delete._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "autoDelete",
                "deviceName",
                "requestId",
            )
        )
        & set(
            (
                "autoDelete",
                "deviceName",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_disk_auto_delete_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_disk_auto_delete"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_disk_auto_delete"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetDiskAutoDeleteInstanceRequest.pb(
            compute.SetDiskAutoDeleteInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetDiskAutoDeleteInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_disk_auto_delete_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_disk_auto_delete_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetDiskAutoDeleteInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_disk_auto_delete_unary(request)


def test_set_disk_auto_delete_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            auto_delete=True,
            device_name="device_name_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_disk_auto_delete_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setDiskAutoDelete"
            % client.transport._host,
            args[1],
        )


def test_set_disk_auto_delete_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_disk_auto_delete_unary(
            compute.SetDiskAutoDeleteInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            auto_delete=True,
            device_name="device_name_value",
        )


def test_set_disk_auto_delete_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetIamPolicyInstanceRequest,
        dict,
    ],
)
def test_set_iam_policy_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request_init["zone_set_policy_request_resource"] = {
        "bindings": [
            {
                "binding_id": "binding_id_value",
                "condition": {
                    "description": "description_value",
                    "expression": "expression_value",
                    "location": "location_value",
                    "title": "title_value",
                },
                "members": ["members_value1", "members_value2"],
                "role": "role_value",
            }
        ],
        "etag": "etag_value",
        "policy": {
            "audit_configs": [
                {
                    "audit_log_configs": [
                        {
                            "exempted_members": [
                                "exempted_members_value1",
                                "exempted_members_value2",
                            ],
                            "ignore_child_exemptions": True,
                            "log_type": "log_type_value",
                        }
                    ],
                    "exempted_members": [
                        "exempted_members_value1",
                        "exempted_members_value2",
                    ],
                    "service": "service_value",
                }
            ],
            "bindings": {},
            "etag": "etag_value",
            "iam_owned": True,
            "rules": [
                {
                    "action": "action_value",
                    "conditions": [
                        {
                            "iam": "iam_value",
                            "op": "op_value",
                            "svc": "svc_value",
                            "sys": "sys_value",
                            "values": ["values_value1", "values_value2"],
                        }
                    ],
                    "description": "description_value",
                    "ins": ["ins_value1", "ins_value2"],
                    "log_configs": [
                        {
                            "cloud_audit": {
                                "authorization_logging_options": {
                                    "permission_type": "permission_type_value"
                                },
                                "log_name": "log_name_value",
                            },
                            "counter": {
                                "custom_fields": [
                                    {"name": "name_value", "value": "value_value"}
                                ],
                                "field": "field_value",
                                "metric": "metric_value",
                            },
                            "data_access": {"log_mode": "log_mode_value"},
                        }
                    ],
                    "not_ins": ["not_ins_value1", "not_ins_value2"],
                    "permissions": ["permissions_value1", "permissions_value2"],
                }
            ],
            "version": 774,
        },
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Policy(
            etag="etag_value",
            iam_owned=True,
            version=774,
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Policy.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_iam_policy(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Policy)
    assert response.etag == "etag_value"
    assert response.iam_owned is True
    assert response.version == 774


def test_set_iam_policy_rest_required_fields(
    request_type=compute.SetIamPolicyInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["resource"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["resource"] = "resource_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_iam_policy._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Policy()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Policy.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_iam_policy(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_iam_policy_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_iam_policy._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "project",
                "resource",
                "zone",
                "zoneSetPolicyRequestResource",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_iam_policy_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_iam_policy"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_iam_policy"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetIamPolicyInstanceRequest.pb(
            compute.SetIamPolicyInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Policy.to_json(compute.Policy())

        request = compute.SetIamPolicyInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Policy()

        client.set_iam_policy(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_iam_policy_rest_bad_request(
    transport: str = "rest", request_type=compute.SetIamPolicyInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request_init["zone_set_policy_request_resource"] = {
        "bindings": [
            {
                "binding_id": "binding_id_value",
                "condition": {
                    "description": "description_value",
                    "expression": "expression_value",
                    "location": "location_value",
                    "title": "title_value",
                },
                "members": ["members_value1", "members_value2"],
                "role": "role_value",
            }
        ],
        "etag": "etag_value",
        "policy": {
            "audit_configs": [
                {
                    "audit_log_configs": [
                        {
                            "exempted_members": [
                                "exempted_members_value1",
                                "exempted_members_value2",
                            ],
                            "ignore_child_exemptions": True,
                            "log_type": "log_type_value",
                        }
                    ],
                    "exempted_members": [
                        "exempted_members_value1",
                        "exempted_members_value2",
                    ],
                    "service": "service_value",
                }
            ],
            "bindings": {},
            "etag": "etag_value",
            "iam_owned": True,
            "rules": [
                {
                    "action": "action_value",
                    "conditions": [
                        {
                            "iam": "iam_value",
                            "op": "op_value",
                            "svc": "svc_value",
                            "sys": "sys_value",
                            "values": ["values_value1", "values_value2"],
                        }
                    ],
                    "description": "description_value",
                    "ins": ["ins_value1", "ins_value2"],
                    "log_configs": [
                        {
                            "cloud_audit": {
                                "authorization_logging_options": {
                                    "permission_type": "permission_type_value"
                                },
                                "log_name": "log_name_value",
                            },
                            "counter": {
                                "custom_fields": [
                                    {"name": "name_value", "value": "value_value"}
                                ],
                                "field": "field_value",
                                "metric": "metric_value",
                            },
                            "data_access": {"log_mode": "log_mode_value"},
                        }
                    ],
                    "not_ins": ["not_ins_value1", "not_ins_value2"],
                    "permissions": ["permissions_value1", "permissions_value2"],
                }
            ],
            "version": 774,
        },
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_iam_policy(request)


def test_set_iam_policy_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Policy()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "resource": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            resource="resource_value",
            zone_set_policy_request_resource=compute.ZoneSetPolicyRequest(
                bindings=[compute.Binding(binding_id="binding_id_value")]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Policy.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_iam_policy(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{resource}/setIamPolicy"
            % client.transport._host,
            args[1],
        )


def test_set_iam_policy_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_iam_policy(
            compute.SetIamPolicyInstanceRequest(),
            project="project_value",
            zone="zone_value",
            resource="resource_value",
            zone_set_policy_request_resource=compute.ZoneSetPolicyRequest(
                bindings=[compute.Binding(binding_id="binding_id_value")]
            ),
        )


def test_set_iam_policy_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetLabelsInstanceRequest,
        dict,
    ],
)
def test_set_labels_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_labels_request_resource"] = {
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_labels(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_labels_rest_required_fields(request_type=compute.SetLabelsInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_labels._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_labels._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_labels(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_labels_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_labels._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetLabelsRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_labels_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_labels"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_labels"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetLabelsInstanceRequest.pb(
            compute.SetLabelsInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetLabelsInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_labels(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_labels_rest_bad_request(
    transport: str = "rest", request_type=compute.SetLabelsInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_labels_request_resource"] = {
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_labels(request)


def test_set_labels_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_labels_request_resource=compute.InstancesSetLabelsRequest(
                label_fingerprint="label_fingerprint_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_labels(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setLabels"
            % client.transport._host,
            args[1],
        )


def test_set_labels_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_labels(
            compute.SetLabelsInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_labels_request_resource=compute.InstancesSetLabelsRequest(
                label_fingerprint="label_fingerprint_value"
            ),
        )


def test_set_labels_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetLabelsInstanceRequest,
        dict,
    ],
)
def test_set_labels_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_labels_request_resource"] = {
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_labels_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_labels_unary_rest_required_fields(
    request_type=compute.SetLabelsInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_labels._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_labels._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_labels_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_labels_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_labels._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetLabelsRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_labels_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_labels"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_labels"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetLabelsInstanceRequest.pb(
            compute.SetLabelsInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetLabelsInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_labels_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_labels_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetLabelsInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_labels_request_resource"] = {
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_labels_unary(request)


def test_set_labels_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_labels_request_resource=compute.InstancesSetLabelsRequest(
                label_fingerprint="label_fingerprint_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_labels_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setLabels"
            % client.transport._host,
            args[1],
        )


def test_set_labels_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_labels_unary(
            compute.SetLabelsInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_labels_request_resource=compute.InstancesSetLabelsRequest(
                label_fingerprint="label_fingerprint_value"
            ),
        )


def test_set_labels_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMachineResourcesInstanceRequest,
        dict,
    ],
)
def test_set_machine_resources_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_resources_request_resource"] = {
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_machine_resources(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_machine_resources_rest_required_fields(
    request_type=compute.SetMachineResourcesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_resources._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_resources._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_machine_resources(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_machine_resources_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_machine_resources._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetMachineResourcesRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_machine_resources_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_machine_resources"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_machine_resources"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMachineResourcesInstanceRequest.pb(
            compute.SetMachineResourcesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMachineResourcesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_machine_resources(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_machine_resources_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMachineResourcesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_resources_request_resource"] = {
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_machine_resources(request)


def test_set_machine_resources_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_resources_request_resource=compute.InstancesSetMachineResourcesRequest(
                guest_accelerators=[compute.AcceleratorConfig(accelerator_count=1805)]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_machine_resources(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMachineResources"
            % client.transport._host,
            args[1],
        )


def test_set_machine_resources_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_machine_resources(
            compute.SetMachineResourcesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_resources_request_resource=compute.InstancesSetMachineResourcesRequest(
                guest_accelerators=[compute.AcceleratorConfig(accelerator_count=1805)]
            ),
        )


def test_set_machine_resources_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMachineResourcesInstanceRequest,
        dict,
    ],
)
def test_set_machine_resources_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_resources_request_resource"] = {
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_machine_resources_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_machine_resources_unary_rest_required_fields(
    request_type=compute.SetMachineResourcesInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_resources._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_resources._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_machine_resources_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_machine_resources_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_machine_resources._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetMachineResourcesRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_machine_resources_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_machine_resources"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_machine_resources"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMachineResourcesInstanceRequest.pb(
            compute.SetMachineResourcesInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMachineResourcesInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_machine_resources_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_machine_resources_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMachineResourcesInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_resources_request_resource"] = {
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_machine_resources_unary(request)


def test_set_machine_resources_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_resources_request_resource=compute.InstancesSetMachineResourcesRequest(
                guest_accelerators=[compute.AcceleratorConfig(accelerator_count=1805)]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_machine_resources_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMachineResources"
            % client.transport._host,
            args[1],
        )


def test_set_machine_resources_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_machine_resources_unary(
            compute.SetMachineResourcesInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_resources_request_resource=compute.InstancesSetMachineResourcesRequest(
                guest_accelerators=[compute.AcceleratorConfig(accelerator_count=1805)]
            ),
        )


def test_set_machine_resources_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMachineTypeInstanceRequest,
        dict,
    ],
)
def test_set_machine_type_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_type_request_resource"] = {
        "machine_type": "machine_type_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_machine_type(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_machine_type_rest_required_fields(
    request_type=compute.SetMachineTypeInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_type._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_type._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_machine_type(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_machine_type_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_machine_type._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetMachineTypeRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_machine_type_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_machine_type"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_machine_type"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMachineTypeInstanceRequest.pb(
            compute.SetMachineTypeInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMachineTypeInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_machine_type(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_machine_type_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMachineTypeInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_type_request_resource"] = {
        "machine_type": "machine_type_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_machine_type(request)


def test_set_machine_type_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_type_request_resource=compute.InstancesSetMachineTypeRequest(
                machine_type="machine_type_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_machine_type(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMachineType"
            % client.transport._host,
            args[1],
        )


def test_set_machine_type_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_machine_type(
            compute.SetMachineTypeInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_type_request_resource=compute.InstancesSetMachineTypeRequest(
                machine_type="machine_type_value"
            ),
        )


def test_set_machine_type_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMachineTypeInstanceRequest,
        dict,
    ],
)
def test_set_machine_type_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_type_request_resource"] = {
        "machine_type": "machine_type_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_machine_type_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_machine_type_unary_rest_required_fields(
    request_type=compute.SetMachineTypeInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_type._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_machine_type._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_machine_type_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_machine_type_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_machine_type._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetMachineTypeRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_machine_type_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_machine_type"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_machine_type"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMachineTypeInstanceRequest.pb(
            compute.SetMachineTypeInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMachineTypeInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_machine_type_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_machine_type_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMachineTypeInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_machine_type_request_resource"] = {
        "machine_type": "machine_type_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_machine_type_unary(request)


def test_set_machine_type_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_type_request_resource=compute.InstancesSetMachineTypeRequest(
                machine_type="machine_type_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_machine_type_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMachineType"
            % client.transport._host,
            args[1],
        )


def test_set_machine_type_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_machine_type_unary(
            compute.SetMachineTypeInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_machine_type_request_resource=compute.InstancesSetMachineTypeRequest(
                machine_type="machine_type_value"
            ),
        )


def test_set_machine_type_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMetadataInstanceRequest,
        dict,
    ],
)
def test_set_metadata_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["metadata_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": [{"key": "key_value", "value": "value_value"}],
        "kind": "kind_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_metadata(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_metadata_rest_required_fields(
    request_type=compute.SetMetadataInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_metadata._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_metadata._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_metadata(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_metadata_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_metadata._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "metadataResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_metadata_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_metadata"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_metadata"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMetadataInstanceRequest.pb(
            compute.SetMetadataInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMetadataInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_metadata(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_metadata_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMetadataInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["metadata_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": [{"key": "key_value", "value": "value_value"}],
        "kind": "kind_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_metadata(request)


def test_set_metadata_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            metadata_resource=compute.Metadata(fingerprint="fingerprint_value"),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_metadata(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMetadata"
            % client.transport._host,
            args[1],
        )


def test_set_metadata_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_metadata(
            compute.SetMetadataInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            metadata_resource=compute.Metadata(fingerprint="fingerprint_value"),
        )


def test_set_metadata_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMetadataInstanceRequest,
        dict,
    ],
)
def test_set_metadata_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["metadata_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": [{"key": "key_value", "value": "value_value"}],
        "kind": "kind_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_metadata_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_metadata_unary_rest_required_fields(
    request_type=compute.SetMetadataInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_metadata._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_metadata._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_metadata_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_metadata_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_metadata._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "metadataResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_metadata_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_metadata"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_metadata"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMetadataInstanceRequest.pb(
            compute.SetMetadataInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMetadataInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_metadata_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_metadata_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMetadataInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["metadata_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": [{"key": "key_value", "value": "value_value"}],
        "kind": "kind_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_metadata_unary(request)


def test_set_metadata_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            metadata_resource=compute.Metadata(fingerprint="fingerprint_value"),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_metadata_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMetadata"
            % client.transport._host,
            args[1],
        )


def test_set_metadata_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_metadata_unary(
            compute.SetMetadataInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            metadata_resource=compute.Metadata(fingerprint="fingerprint_value"),
        )


def test_set_metadata_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMinCpuPlatformInstanceRequest,
        dict,
    ],
)
def test_set_min_cpu_platform_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_min_cpu_platform_request_resource"] = {
        "min_cpu_platform": "min_cpu_platform_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_min_cpu_platform(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_min_cpu_platform_rest_required_fields(
    request_type=compute.SetMinCpuPlatformInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_min_cpu_platform._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_min_cpu_platform._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_min_cpu_platform(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_min_cpu_platform_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_min_cpu_platform._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetMinCpuPlatformRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_min_cpu_platform_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_min_cpu_platform"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_min_cpu_platform"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMinCpuPlatformInstanceRequest.pb(
            compute.SetMinCpuPlatformInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMinCpuPlatformInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_min_cpu_platform(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_min_cpu_platform_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMinCpuPlatformInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_min_cpu_platform_request_resource"] = {
        "min_cpu_platform": "min_cpu_platform_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_min_cpu_platform(request)


def test_set_min_cpu_platform_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_min_cpu_platform_request_resource=compute.InstancesSetMinCpuPlatformRequest(
                min_cpu_platform="min_cpu_platform_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_min_cpu_platform(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMinCpuPlatform"
            % client.transport._host,
            args[1],
        )


def test_set_min_cpu_platform_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_min_cpu_platform(
            compute.SetMinCpuPlatformInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_min_cpu_platform_request_resource=compute.InstancesSetMinCpuPlatformRequest(
                min_cpu_platform="min_cpu_platform_value"
            ),
        )


def test_set_min_cpu_platform_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetMinCpuPlatformInstanceRequest,
        dict,
    ],
)
def test_set_min_cpu_platform_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_min_cpu_platform_request_resource"] = {
        "min_cpu_platform": "min_cpu_platform_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_min_cpu_platform_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_min_cpu_platform_unary_rest_required_fields(
    request_type=compute.SetMinCpuPlatformInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_min_cpu_platform._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_min_cpu_platform._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_min_cpu_platform_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_min_cpu_platform_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_min_cpu_platform._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetMinCpuPlatformRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_min_cpu_platform_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_min_cpu_platform"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_min_cpu_platform"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetMinCpuPlatformInstanceRequest.pb(
            compute.SetMinCpuPlatformInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetMinCpuPlatformInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_min_cpu_platform_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_min_cpu_platform_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetMinCpuPlatformInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_min_cpu_platform_request_resource"] = {
        "min_cpu_platform": "min_cpu_platform_value"
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_min_cpu_platform_unary(request)


def test_set_min_cpu_platform_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_min_cpu_platform_request_resource=compute.InstancesSetMinCpuPlatformRequest(
                min_cpu_platform="min_cpu_platform_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_min_cpu_platform_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setMinCpuPlatform"
            % client.transport._host,
            args[1],
        )


def test_set_min_cpu_platform_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_min_cpu_platform_unary(
            compute.SetMinCpuPlatformInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_min_cpu_platform_request_resource=compute.InstancesSetMinCpuPlatformRequest(
                min_cpu_platform="min_cpu_platform_value"
            ),
        )


def test_set_min_cpu_platform_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetNameInstanceRequest,
        dict,
    ],
)
def test_set_name_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_name_request_resource"] = {
        "current_name": "current_name_value",
        "name": "name_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_name(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_name_rest_required_fields(request_type=compute.SetNameInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_name._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_name._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_name(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_name_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_name._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetNameRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_name_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_name"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_name"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetNameInstanceRequest.pb(compute.SetNameInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetNameInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_name(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_name_rest_bad_request(
    transport: str = "rest", request_type=compute.SetNameInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_name_request_resource"] = {
        "current_name": "current_name_value",
        "name": "name_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_name(request)


def test_set_name_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_name_request_resource=compute.InstancesSetNameRequest(
                current_name="current_name_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_name(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setName"
            % client.transport._host,
            args[1],
        )


def test_set_name_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_name(
            compute.SetNameInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_name_request_resource=compute.InstancesSetNameRequest(
                current_name="current_name_value"
            ),
        )


def test_set_name_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetNameInstanceRequest,
        dict,
    ],
)
def test_set_name_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_name_request_resource"] = {
        "current_name": "current_name_value",
        "name": "name_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_name_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_name_unary_rest_required_fields(
    request_type=compute.SetNameInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_name._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_name._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_name_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_name_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_name._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetNameRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_name_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_name"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_name"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetNameInstanceRequest.pb(compute.SetNameInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetNameInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_name_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_name_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetNameInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_name_request_resource"] = {
        "current_name": "current_name_value",
        "name": "name_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_name_unary(request)


def test_set_name_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_name_request_resource=compute.InstancesSetNameRequest(
                current_name="current_name_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_name_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setName"
            % client.transport._host,
            args[1],
        )


def test_set_name_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_name_unary(
            compute.SetNameInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_name_request_resource=compute.InstancesSetNameRequest(
                current_name="current_name_value"
            ),
        )


def test_set_name_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetSchedulingInstanceRequest,
        dict,
    ],
)
def test_set_scheduling_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["scheduling_resource"] = {
        "automatic_restart": True,
        "instance_termination_action": "instance_termination_action_value",
        "location_hint": "location_hint_value",
        "min_node_cpus": 1379,
        "node_affinities": [
            {
                "key": "key_value",
                "operator": "operator_value",
                "values": ["values_value1", "values_value2"],
            }
        ],
        "on_host_maintenance": "on_host_maintenance_value",
        "preemptible": True,
        "provisioning_model": "provisioning_model_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_scheduling(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_scheduling_rest_required_fields(
    request_type=compute.SetSchedulingInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_scheduling._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_scheduling._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_scheduling(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_scheduling_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_scheduling._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "schedulingResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_scheduling_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_scheduling"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_scheduling"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetSchedulingInstanceRequest.pb(
            compute.SetSchedulingInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetSchedulingInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_scheduling(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_scheduling_rest_bad_request(
    transport: str = "rest", request_type=compute.SetSchedulingInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["scheduling_resource"] = {
        "automatic_restart": True,
        "instance_termination_action": "instance_termination_action_value",
        "location_hint": "location_hint_value",
        "min_node_cpus": 1379,
        "node_affinities": [
            {
                "key": "key_value",
                "operator": "operator_value",
                "values": ["values_value1", "values_value2"],
            }
        ],
        "on_host_maintenance": "on_host_maintenance_value",
        "preemptible": True,
        "provisioning_model": "provisioning_model_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_scheduling(request)


def test_set_scheduling_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            scheduling_resource=compute.Scheduling(automatic_restart=True),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_scheduling(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setScheduling"
            % client.transport._host,
            args[1],
        )


def test_set_scheduling_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_scheduling(
            compute.SetSchedulingInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            scheduling_resource=compute.Scheduling(automatic_restart=True),
        )


def test_set_scheduling_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetSchedulingInstanceRequest,
        dict,
    ],
)
def test_set_scheduling_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["scheduling_resource"] = {
        "automatic_restart": True,
        "instance_termination_action": "instance_termination_action_value",
        "location_hint": "location_hint_value",
        "min_node_cpus": 1379,
        "node_affinities": [
            {
                "key": "key_value",
                "operator": "operator_value",
                "values": ["values_value1", "values_value2"],
            }
        ],
        "on_host_maintenance": "on_host_maintenance_value",
        "preemptible": True,
        "provisioning_model": "provisioning_model_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_scheduling_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_scheduling_unary_rest_required_fields(
    request_type=compute.SetSchedulingInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_scheduling._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_scheduling._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_scheduling_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_scheduling_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_scheduling._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "schedulingResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_scheduling_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_scheduling"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_scheduling"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetSchedulingInstanceRequest.pb(
            compute.SetSchedulingInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetSchedulingInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_scheduling_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_scheduling_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetSchedulingInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["scheduling_resource"] = {
        "automatic_restart": True,
        "instance_termination_action": "instance_termination_action_value",
        "location_hint": "location_hint_value",
        "min_node_cpus": 1379,
        "node_affinities": [
            {
                "key": "key_value",
                "operator": "operator_value",
                "values": ["values_value1", "values_value2"],
            }
        ],
        "on_host_maintenance": "on_host_maintenance_value",
        "preemptible": True,
        "provisioning_model": "provisioning_model_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_scheduling_unary(request)


def test_set_scheduling_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            scheduling_resource=compute.Scheduling(automatic_restart=True),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_scheduling_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setScheduling"
            % client.transport._host,
            args[1],
        )


def test_set_scheduling_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_scheduling_unary(
            compute.SetSchedulingInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            scheduling_resource=compute.Scheduling(automatic_restart=True),
        )


def test_set_scheduling_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetServiceAccountInstanceRequest,
        dict,
    ],
)
def test_set_service_account_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_service_account_request_resource"] = {
        "email": "email_value",
        "scopes": ["scopes_value1", "scopes_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_service_account(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_service_account_rest_required_fields(
    request_type=compute.SetServiceAccountInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_service_account._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_service_account._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_service_account(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_service_account_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_service_account._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetServiceAccountRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_service_account_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_service_account"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_service_account"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetServiceAccountInstanceRequest.pb(
            compute.SetServiceAccountInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetServiceAccountInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_service_account(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_service_account_rest_bad_request(
    transport: str = "rest", request_type=compute.SetServiceAccountInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_service_account_request_resource"] = {
        "email": "email_value",
        "scopes": ["scopes_value1", "scopes_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_service_account(request)


def test_set_service_account_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_service_account_request_resource=compute.InstancesSetServiceAccountRequest(
                email="email_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_service_account(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setServiceAccount"
            % client.transport._host,
            args[1],
        )


def test_set_service_account_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_service_account(
            compute.SetServiceAccountInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_service_account_request_resource=compute.InstancesSetServiceAccountRequest(
                email="email_value"
            ),
        )


def test_set_service_account_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetServiceAccountInstanceRequest,
        dict,
    ],
)
def test_set_service_account_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_service_account_request_resource"] = {
        "email": "email_value",
        "scopes": ["scopes_value1", "scopes_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_service_account_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_service_account_unary_rest_required_fields(
    request_type=compute.SetServiceAccountInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_service_account._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_service_account._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_service_account_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_service_account_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_service_account._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesSetServiceAccountRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_service_account_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_service_account"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_service_account"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetServiceAccountInstanceRequest.pb(
            compute.SetServiceAccountInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetServiceAccountInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_service_account_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_service_account_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetServiceAccountInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_set_service_account_request_resource"] = {
        "email": "email_value",
        "scopes": ["scopes_value1", "scopes_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_service_account_unary(request)


def test_set_service_account_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_service_account_request_resource=compute.InstancesSetServiceAccountRequest(
                email="email_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_service_account_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setServiceAccount"
            % client.transport._host,
            args[1],
        )


def test_set_service_account_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_service_account_unary(
            compute.SetServiceAccountInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_set_service_account_request_resource=compute.InstancesSetServiceAccountRequest(
                email="email_value"
            ),
        )


def test_set_service_account_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetShieldedInstanceIntegrityPolicyInstanceRequest,
        dict,
    ],
)
def test_set_shielded_instance_integrity_policy_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_integrity_policy_resource"] = {
        "update_auto_learn_policy": True
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_shielded_instance_integrity_policy(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_shielded_instance_integrity_policy_rest_required_fields(
    request_type=compute.SetShieldedInstanceIntegrityPolicyInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_shielded_instance_integrity_policy._get_unset_required_fields(
        jsonified_request
    )
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_shielded_instance_integrity_policy._get_unset_required_fields(
        jsonified_request
    )
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_shielded_instance_integrity_policy(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_shielded_instance_integrity_policy_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = (
        transport.set_shielded_instance_integrity_policy._get_unset_required_fields({})
    )
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "shieldedInstanceIntegrityPolicyResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_shielded_instance_integrity_policy_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor,
        "post_set_shielded_instance_integrity_policy",
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor,
        "pre_set_shielded_instance_integrity_policy",
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetShieldedInstanceIntegrityPolicyInstanceRequest.pb(
            compute.SetShieldedInstanceIntegrityPolicyInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetShieldedInstanceIntegrityPolicyInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_shielded_instance_integrity_policy(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_shielded_instance_integrity_policy_rest_bad_request(
    transport: str = "rest",
    request_type=compute.SetShieldedInstanceIntegrityPolicyInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_integrity_policy_resource"] = {
        "update_auto_learn_policy": True
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_shielded_instance_integrity_policy(request)


def test_set_shielded_instance_integrity_policy_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_integrity_policy_resource=compute.ShieldedInstanceIntegrityPolicy(
                update_auto_learn_policy=True
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_shielded_instance_integrity_policy(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setShieldedInstanceIntegrityPolicy"
            % client.transport._host,
            args[1],
        )


def test_set_shielded_instance_integrity_policy_rest_flattened_error(
    transport: str = "rest",
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_shielded_instance_integrity_policy(
            compute.SetShieldedInstanceIntegrityPolicyInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_integrity_policy_resource=compute.ShieldedInstanceIntegrityPolicy(
                update_auto_learn_policy=True
            ),
        )


def test_set_shielded_instance_integrity_policy_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetShieldedInstanceIntegrityPolicyInstanceRequest,
        dict,
    ],
)
def test_set_shielded_instance_integrity_policy_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_integrity_policy_resource"] = {
        "update_auto_learn_policy": True
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_shielded_instance_integrity_policy_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_shielded_instance_integrity_policy_unary_rest_required_fields(
    request_type=compute.SetShieldedInstanceIntegrityPolicyInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_shielded_instance_integrity_policy._get_unset_required_fields(
        jsonified_request
    )
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_shielded_instance_integrity_policy._get_unset_required_fields(
        jsonified_request
    )
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_shielded_instance_integrity_policy_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_shielded_instance_integrity_policy_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = (
        transport.set_shielded_instance_integrity_policy._get_unset_required_fields({})
    )
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "shieldedInstanceIntegrityPolicyResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_shielded_instance_integrity_policy_unary_rest_interceptors(
    null_interceptor,
):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor,
        "post_set_shielded_instance_integrity_policy",
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor,
        "pre_set_shielded_instance_integrity_policy",
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetShieldedInstanceIntegrityPolicyInstanceRequest.pb(
            compute.SetShieldedInstanceIntegrityPolicyInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetShieldedInstanceIntegrityPolicyInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_shielded_instance_integrity_policy_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_shielded_instance_integrity_policy_unary_rest_bad_request(
    transport: str = "rest",
    request_type=compute.SetShieldedInstanceIntegrityPolicyInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_integrity_policy_resource"] = {
        "update_auto_learn_policy": True
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_shielded_instance_integrity_policy_unary(request)


def test_set_shielded_instance_integrity_policy_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_integrity_policy_resource=compute.ShieldedInstanceIntegrityPolicy(
                update_auto_learn_policy=True
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_shielded_instance_integrity_policy_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setShieldedInstanceIntegrityPolicy"
            % client.transport._host,
            args[1],
        )


def test_set_shielded_instance_integrity_policy_unary_rest_flattened_error(
    transport: str = "rest",
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_shielded_instance_integrity_policy_unary(
            compute.SetShieldedInstanceIntegrityPolicyInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_integrity_policy_resource=compute.ShieldedInstanceIntegrityPolicy(
                update_auto_learn_policy=True
            ),
        )


def test_set_shielded_instance_integrity_policy_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetTagsInstanceRequest,
        dict,
    ],
)
def test_set_tags_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["tags_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": ["items_value1", "items_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_tags(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_set_tags_rest_required_fields(request_type=compute.SetTagsInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_tags._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_tags._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_tags(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_tags_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_tags._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "tagsResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_tags_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_tags"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_tags"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetTagsInstanceRequest.pb(compute.SetTagsInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetTagsInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_tags(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_tags_rest_bad_request(
    transport: str = "rest", request_type=compute.SetTagsInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["tags_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": ["items_value1", "items_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_tags(request)


def test_set_tags_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            tags_resource=compute.Tags(fingerprint="fingerprint_value"),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_tags(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setTags"
            % client.transport._host,
            args[1],
        )


def test_set_tags_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_tags(
            compute.SetTagsInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            tags_resource=compute.Tags(fingerprint="fingerprint_value"),
        )


def test_set_tags_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SetTagsInstanceRequest,
        dict,
    ],
)
def test_set_tags_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["tags_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": ["items_value1", "items_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.set_tags_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_set_tags_unary_rest_required_fields(
    request_type=compute.SetTagsInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_tags._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).set_tags._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.set_tags_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_set_tags_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.set_tags._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "tagsResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_set_tags_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_set_tags"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_set_tags"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SetTagsInstanceRequest.pb(compute.SetTagsInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SetTagsInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.set_tags_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_set_tags_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SetTagsInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["tags_resource"] = {
        "fingerprint": "fingerprint_value",
        "items": ["items_value1", "items_value2"],
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.set_tags_unary(request)


def test_set_tags_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            tags_resource=compute.Tags(fingerprint="fingerprint_value"),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.set_tags_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/setTags"
            % client.transport._host,
            args[1],
        )


def test_set_tags_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.set_tags_unary(
            compute.SetTagsInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            tags_resource=compute.Tags(fingerprint="fingerprint_value"),
        )


def test_set_tags_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SimulateMaintenanceEventInstanceRequest,
        dict,
    ],
)
def test_simulate_maintenance_event_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.simulate_maintenance_event(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_simulate_maintenance_event_rest_required_fields(
    request_type=compute.SimulateMaintenanceEventInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).simulate_maintenance_event._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).simulate_maintenance_event._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.simulate_maintenance_event(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_simulate_maintenance_event_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.simulate_maintenance_event._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_simulate_maintenance_event_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_simulate_maintenance_event"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_simulate_maintenance_event"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SimulateMaintenanceEventInstanceRequest.pb(
            compute.SimulateMaintenanceEventInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SimulateMaintenanceEventInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.simulate_maintenance_event(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_simulate_maintenance_event_rest_bad_request(
    transport: str = "rest",
    request_type=compute.SimulateMaintenanceEventInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.simulate_maintenance_event(request)


def test_simulate_maintenance_event_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.simulate_maintenance_event(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/simulateMaintenanceEvent"
            % client.transport._host,
            args[1],
        )


def test_simulate_maintenance_event_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.simulate_maintenance_event(
            compute.SimulateMaintenanceEventInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_simulate_maintenance_event_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SimulateMaintenanceEventInstanceRequest,
        dict,
    ],
)
def test_simulate_maintenance_event_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.simulate_maintenance_event_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_simulate_maintenance_event_unary_rest_required_fields(
    request_type=compute.SimulateMaintenanceEventInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).simulate_maintenance_event._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).simulate_maintenance_event._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.simulate_maintenance_event_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_simulate_maintenance_event_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.simulate_maintenance_event._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_simulate_maintenance_event_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_simulate_maintenance_event"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_simulate_maintenance_event"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SimulateMaintenanceEventInstanceRequest.pb(
            compute.SimulateMaintenanceEventInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SimulateMaintenanceEventInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.simulate_maintenance_event_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_simulate_maintenance_event_unary_rest_bad_request(
    transport: str = "rest",
    request_type=compute.SimulateMaintenanceEventInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.simulate_maintenance_event_unary(request)


def test_simulate_maintenance_event_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.simulate_maintenance_event_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/simulateMaintenanceEvent"
            % client.transport._host,
            args[1],
        )


def test_simulate_maintenance_event_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.simulate_maintenance_event_unary(
            compute.SimulateMaintenanceEventInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_simulate_maintenance_event_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.StartInstanceRequest,
        dict,
    ],
)
def test_start_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.start(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_start_rest_required_fields(request_type=compute.StartInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.start(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_start_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.start._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_start_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_start"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_start"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.StartInstanceRequest.pb(compute.StartInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.StartInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.start(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_start_rest_bad_request(
    transport: str = "rest", request_type=compute.StartInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.start(request)


def test_start_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.start(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/start"
            % client.transport._host,
            args[1],
        )


def test_start_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.start(
            compute.StartInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_start_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.StartInstanceRequest,
        dict,
    ],
)
def test_start_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.start_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_start_unary_rest_required_fields(request_type=compute.StartInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.start_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_start_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.start._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_start_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_start"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_start"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.StartInstanceRequest.pb(compute.StartInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.StartInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.start_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_start_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.StartInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.start_unary(request)


def test_start_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.start_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/start"
            % client.transport._host,
            args[1],
        )


def test_start_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.start_unary(
            compute.StartInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_start_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.StartWithEncryptionKeyInstanceRequest,
        dict,
    ],
)
def test_start_with_encryption_key_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_start_with_encryption_key_request_resource"] = {
        "disks": [
            {
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "source": "source_value",
            }
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.start_with_encryption_key(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_start_with_encryption_key_rest_required_fields(
    request_type=compute.StartWithEncryptionKeyInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start_with_encryption_key._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start_with_encryption_key._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.start_with_encryption_key(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_start_with_encryption_key_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.start_with_encryption_key._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesStartWithEncryptionKeyRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_start_with_encryption_key_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_start_with_encryption_key"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_start_with_encryption_key"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.StartWithEncryptionKeyInstanceRequest.pb(
            compute.StartWithEncryptionKeyInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.StartWithEncryptionKeyInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.start_with_encryption_key(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_start_with_encryption_key_rest_bad_request(
    transport: str = "rest", request_type=compute.StartWithEncryptionKeyInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_start_with_encryption_key_request_resource"] = {
        "disks": [
            {
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "source": "source_value",
            }
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.start_with_encryption_key(request)


def test_start_with_encryption_key_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_start_with_encryption_key_request_resource=compute.InstancesStartWithEncryptionKeyRequest(
                disks=[
                    compute.CustomerEncryptionKeyProtectedDisk(
                        disk_encryption_key=compute.CustomerEncryptionKey(
                            kms_key_name="kms_key_name_value"
                        )
                    )
                ]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.start_with_encryption_key(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/startWithEncryptionKey"
            % client.transport._host,
            args[1],
        )


def test_start_with_encryption_key_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.start_with_encryption_key(
            compute.StartWithEncryptionKeyInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_start_with_encryption_key_request_resource=compute.InstancesStartWithEncryptionKeyRequest(
                disks=[
                    compute.CustomerEncryptionKeyProtectedDisk(
                        disk_encryption_key=compute.CustomerEncryptionKey(
                            kms_key_name="kms_key_name_value"
                        )
                    )
                ]
            ),
        )


def test_start_with_encryption_key_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.StartWithEncryptionKeyInstanceRequest,
        dict,
    ],
)
def test_start_with_encryption_key_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_start_with_encryption_key_request_resource"] = {
        "disks": [
            {
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "source": "source_value",
            }
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.start_with_encryption_key_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_start_with_encryption_key_unary_rest_required_fields(
    request_type=compute.StartWithEncryptionKeyInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start_with_encryption_key._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).start_with_encryption_key._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.start_with_encryption_key_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_start_with_encryption_key_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.start_with_encryption_key._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "instancesStartWithEncryptionKeyRequestResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_start_with_encryption_key_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_start_with_encryption_key"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_start_with_encryption_key"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.StartWithEncryptionKeyInstanceRequest.pb(
            compute.StartWithEncryptionKeyInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.StartWithEncryptionKeyInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.start_with_encryption_key_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_start_with_encryption_key_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.StartWithEncryptionKeyInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instances_start_with_encryption_key_request_resource"] = {
        "disks": [
            {
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "source": "source_value",
            }
        ]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.start_with_encryption_key_unary(request)


def test_start_with_encryption_key_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_start_with_encryption_key_request_resource=compute.InstancesStartWithEncryptionKeyRequest(
                disks=[
                    compute.CustomerEncryptionKeyProtectedDisk(
                        disk_encryption_key=compute.CustomerEncryptionKey(
                            kms_key_name="kms_key_name_value"
                        )
                    )
                ]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.start_with_encryption_key_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/startWithEncryptionKey"
            % client.transport._host,
            args[1],
        )


def test_start_with_encryption_key_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.start_with_encryption_key_unary(
            compute.StartWithEncryptionKeyInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instances_start_with_encryption_key_request_resource=compute.InstancesStartWithEncryptionKeyRequest(
                disks=[
                    compute.CustomerEncryptionKeyProtectedDisk(
                        disk_encryption_key=compute.CustomerEncryptionKey(
                            kms_key_name="kms_key_name_value"
                        )
                    )
                ]
            ),
        )


def test_start_with_encryption_key_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.StopInstanceRequest,
        dict,
    ],
)
def test_stop_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.stop(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_stop_rest_required_fields(request_type=compute.StopInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).stop._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).stop._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "discard_local_ssd",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.stop(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_stop_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.stop._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "discardLocalSsd",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_stop_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_stop"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_stop"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.StopInstanceRequest.pb(compute.StopInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.StopInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.stop(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_stop_rest_bad_request(
    transport: str = "rest", request_type=compute.StopInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.stop(request)


def test_stop_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.stop(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/stop"
            % client.transport._host,
            args[1],
        )


def test_stop_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.stop(
            compute.StopInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_stop_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.StopInstanceRequest,
        dict,
    ],
)
def test_stop_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.stop_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_stop_unary_rest_required_fields(request_type=compute.StopInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).stop._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).stop._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "discard_local_ssd",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.stop_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_stop_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.stop._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "discardLocalSsd",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_stop_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_stop"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_stop"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.StopInstanceRequest.pb(compute.StopInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.StopInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.stop_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_stop_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.StopInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.stop_unary(request)


def test_stop_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.stop_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/stop"
            % client.transport._host,
            args[1],
        )


def test_stop_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.stop_unary(
            compute.StopInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_stop_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SuspendInstanceRequest,
        dict,
    ],
)
def test_suspend_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.suspend(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_suspend_rest_required_fields(request_type=compute.SuspendInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).suspend._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).suspend._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "discard_local_ssd",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.suspend(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_suspend_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.suspend._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "discardLocalSsd",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_suspend_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_suspend"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_suspend"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SuspendInstanceRequest.pb(compute.SuspendInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SuspendInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.suspend(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_suspend_rest_bad_request(
    transport: str = "rest", request_type=compute.SuspendInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.suspend(request)


def test_suspend_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.suspend(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/suspend"
            % client.transport._host,
            args[1],
        )


def test_suspend_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.suspend(
            compute.SuspendInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_suspend_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.SuspendInstanceRequest,
        dict,
    ],
)
def test_suspend_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.suspend_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_suspend_unary_rest_required_fields(
    request_type=compute.SuspendInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).suspend._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).suspend._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "discard_local_ssd",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.suspend_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_suspend_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.suspend._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "discardLocalSsd",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_suspend_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_suspend"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_suspend"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.SuspendInstanceRequest.pb(compute.SuspendInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.SuspendInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.suspend_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_suspend_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.SuspendInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.suspend_unary(request)


def test_suspend_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.suspend_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/suspend"
            % client.transport._host,
            args[1],
        )


def test_suspend_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.suspend_unary(
            compute.SuspendInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
        )


def test_suspend_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.TestIamPermissionsInstanceRequest,
        dict,
    ],
)
def test_test_iam_permissions_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request_init["test_permissions_request_resource"] = {
        "permissions": ["permissions_value1", "permissions_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.TestPermissionsResponse(
            permissions=["permissions_value"],
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.TestPermissionsResponse.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.test_iam_permissions(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.TestPermissionsResponse)
    assert response.permissions == ["permissions_value"]


def test_test_iam_permissions_rest_required_fields(
    request_type=compute.TestIamPermissionsInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["project"] = ""
    request_init["resource"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).test_iam_permissions._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["project"] = "project_value"
    jsonified_request["resource"] = "resource_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).test_iam_permissions._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "resource" in jsonified_request
    assert jsonified_request["resource"] == "resource_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.TestPermissionsResponse()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.TestPermissionsResponse.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.test_iam_permissions(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_test_iam_permissions_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.test_iam_permissions._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(())
        & set(
            (
                "project",
                "resource",
                "testPermissionsRequestResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_test_iam_permissions_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_test_iam_permissions"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_test_iam_permissions"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.TestIamPermissionsInstanceRequest.pb(
            compute.TestIamPermissionsInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.TestPermissionsResponse.to_json(
            compute.TestPermissionsResponse()
        )

        request = compute.TestIamPermissionsInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.TestPermissionsResponse()

        client.test_iam_permissions(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_test_iam_permissions_rest_bad_request(
    transport: str = "rest", request_type=compute.TestIamPermissionsInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "resource": "sample3"}
    request_init["test_permissions_request_resource"] = {
        "permissions": ["permissions_value1", "permissions_value2"]
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.test_iam_permissions(request)


def test_test_iam_permissions_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.TestPermissionsResponse()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "resource": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            resource="resource_value",
            test_permissions_request_resource=compute.TestPermissionsRequest(
                permissions=["permissions_value"]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.TestPermissionsResponse.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.test_iam_permissions(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{resource}/testIamPermissions"
            % client.transport._host,
            args[1],
        )


def test_test_iam_permissions_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.test_iam_permissions(
            compute.TestIamPermissionsInstanceRequest(),
            project="project_value",
            zone="zone_value",
            resource="resource_value",
            test_permissions_request_resource=compute.TestPermissionsRequest(
                permissions=["permissions_value"]
            ),
        )


def test_test_iam_permissions_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateInstanceRequest,
        dict,
    ],
)
def test_update_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_update_rest_required_fields(request_type=compute.UpdateInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "minimal_action",
            "most_disruptive_allowed_action",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "put",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "minimalAction",
                "mostDisruptiveAllowedAction",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "instanceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateInstanceRequest.pb(compute.UpdateInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update(request)


def test_update_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}"
            % client.transport._host,
            args[1],
        )


def test_update_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update(
            compute.UpdateInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )


def test_update_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateInstanceRequest,
        dict,
    ],
)
def test_update_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_update_unary_rest_required_fields(request_type=compute.UpdateInstanceRequest):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "minimal_action",
            "most_disruptive_allowed_action",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "put",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "minimalAction",
                "mostDisruptiveAllowedAction",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "instanceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateInstanceRequest.pb(compute.UpdateInstanceRequest())
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["instance_resource"] = {
        "advanced_machine_features": {
            "enable_nested_virtualization": True,
            "enable_uefi_networking": True,
            "threads_per_core": 1689,
            "visible_core_count": 1918,
        },
        "can_ip_forward": True,
        "confidential_instance_config": {"enable_confidential_compute": True},
        "cpu_platform": "cpu_platform_value",
        "creation_timestamp": "creation_timestamp_value",
        "deletion_protection": True,
        "description": "description_value",
        "disks": [
            {
                "architecture": "architecture_value",
                "auto_delete": True,
                "boot": True,
                "device_name": "device_name_value",
                "disk_encryption_key": {
                    "kms_key_name": "kms_key_name_value",
                    "kms_key_service_account": "kms_key_service_account_value",
                    "raw_key": "raw_key_value",
                    "rsa_encrypted_key": "rsa_encrypted_key_value",
                    "sha256": "sha256_value",
                },
                "disk_size_gb": 1261,
                "force_attach": True,
                "guest_os_features": [{"type_": "type__value"}],
                "index": 536,
                "initialize_params": {
                    "architecture": "architecture_value",
                    "description": "description_value",
                    "disk_name": "disk_name_value",
                    "disk_size_gb": 1261,
                    "disk_type": "disk_type_value",
                    "labels": {},
                    "licenses": ["licenses_value1", "licenses_value2"],
                    "on_update_action": "on_update_action_value",
                    "provisioned_iops": 1740,
                    "provisioned_throughput": 2411,
                    "replica_zones": ["replica_zones_value1", "replica_zones_value2"],
                    "resource_manager_tags": {},
                    "resource_policies": [
                        "resource_policies_value1",
                        "resource_policies_value2",
                    ],
                    "source_image": "source_image_value",
                    "source_image_encryption_key": {},
                    "source_snapshot": "source_snapshot_value",
                    "source_snapshot_encryption_key": {},
                },
                "interface": "interface_value",
                "kind": "kind_value",
                "licenses": ["licenses_value1", "licenses_value2"],
                "mode": "mode_value",
                "saved_state": "saved_state_value",
                "shielded_instance_initial_state": {
                    "dbs": [
                        {"content": "content_value", "file_type": "file_type_value"}
                    ],
                    "dbxs": {},
                    "keks": {},
                    "pk": {},
                },
                "source": "source_value",
                "type_": "type__value",
            }
        ],
        "display_device": {"enable_display": True},
        "fingerprint": "fingerprint_value",
        "guest_accelerators": [
            {"accelerator_count": 1805, "accelerator_type": "accelerator_type_value"}
        ],
        "hostname": "hostname_value",
        "id": 205,
        "instance_encryption_key": {},
        "key_revocation_action_type": "key_revocation_action_type_value",
        "kind": "kind_value",
        "label_fingerprint": "label_fingerprint_value",
        "labels": {},
        "last_start_timestamp": "last_start_timestamp_value",
        "last_stop_timestamp": "last_stop_timestamp_value",
        "last_suspended_timestamp": "last_suspended_timestamp_value",
        "machine_type": "machine_type_value",
        "metadata": {
            "fingerprint": "fingerprint_value",
            "items": [{"key": "key_value", "value": "value_value"}],
            "kind": "kind_value",
        },
        "min_cpu_platform": "min_cpu_platform_value",
        "name": "name_value",
        "network_interfaces": [
            {
                "access_configs": [
                    {
                        "external_ipv6": "external_ipv6_value",
                        "external_ipv6_prefix_length": 2837,
                        "kind": "kind_value",
                        "name": "name_value",
                        "nat_i_p": "nat_i_p_value",
                        "network_tier": "network_tier_value",
                        "public_ptr_domain_name": "public_ptr_domain_name_value",
                        "set_public_ptr": True,
                        "type_": "type__value",
                    }
                ],
                "alias_ip_ranges": [
                    {
                        "ip_cidr_range": "ip_cidr_range_value",
                        "subnetwork_range_name": "subnetwork_range_name_value",
                    }
                ],
                "fingerprint": "fingerprint_value",
                "internal_ipv6_prefix_length": 2831,
                "ipv6_access_configs": {},
                "ipv6_access_type": "ipv6_access_type_value",
                "ipv6_address": "ipv6_address_value",
                "kind": "kind_value",
                "name": "name_value",
                "network": "network_value",
                "network_attachment": "network_attachment_value",
                "network_i_p": "network_i_p_value",
                "nic_type": "nic_type_value",
                "queue_count": 1197,
                "stack_type": "stack_type_value",
                "subnetwork": "subnetwork_value",
            }
        ],
        "network_performance_config": {
            "total_egress_bandwidth_tier": "total_egress_bandwidth_tier_value"
        },
        "params": {"resource_manager_tags": {}},
        "private_ipv6_google_access": "private_ipv6_google_access_value",
        "reservation_affinity": {
            "consume_reservation_type": "consume_reservation_type_value",
            "key": "key_value",
            "values": ["values_value1", "values_value2"],
        },
        "resource_policies": ["resource_policies_value1", "resource_policies_value2"],
        "resource_status": {"physical_host": "physical_host_value"},
        "satisfies_pzs": True,
        "scheduling": {
            "automatic_restart": True,
            "instance_termination_action": "instance_termination_action_value",
            "location_hint": "location_hint_value",
            "min_node_cpus": 1379,
            "node_affinities": [
                {
                    "key": "key_value",
                    "operator": "operator_value",
                    "values": ["values_value1", "values_value2"],
                }
            ],
            "on_host_maintenance": "on_host_maintenance_value",
            "preemptible": True,
            "provisioning_model": "provisioning_model_value",
        },
        "self_link": "self_link_value",
        "service_accounts": [
            {"email": "email_value", "scopes": ["scopes_value1", "scopes_value2"]}
        ],
        "shielded_instance_config": {
            "enable_integrity_monitoring": True,
            "enable_secure_boot": True,
            "enable_vtpm": True,
        },
        "shielded_instance_integrity_policy": {"update_auto_learn_policy": True},
        "source_machine_image": "source_machine_image_value",
        "source_machine_image_encryption_key": {},
        "start_restricted": True,
        "status": "status_value",
        "status_message": "status_message_value",
        "tags": {
            "fingerprint": "fingerprint_value",
            "items": ["items_value1", "items_value2"],
        },
        "zone": "zone_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_unary(request)


def test_update_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}"
            % client.transport._host,
            args[1],
        )


def test_update_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_unary(
            compute.UpdateInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            instance_resource=compute.Instance(
                advanced_machine_features=compute.AdvancedMachineFeatures(
                    enable_nested_virtualization=True
                )
            ),
        )


def test_update_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateAccessConfigInstanceRequest,
        dict,
    ],
)
def test_update_access_config_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_access_config(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_update_access_config_rest_required_fields(
    request_type=compute.UpdateAccessConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_access_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_access_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_access_config(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_access_config_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_access_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "accessConfigResource",
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_access_config_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_access_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_access_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateAccessConfigInstanceRequest.pb(
            compute.UpdateAccessConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateAccessConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_access_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_access_config_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateAccessConfigInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_access_config(request)


def test_update_access_config_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_access_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateAccessConfig"
            % client.transport._host,
            args[1],
        )


def test_update_access_config_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_access_config(
            compute.UpdateAccessConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )


def test_update_access_config_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateAccessConfigInstanceRequest,
        dict,
    ],
)
def test_update_access_config_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_access_config_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_update_access_config_unary_rest_required_fields(
    request_type=compute.UpdateAccessConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_access_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_access_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "post",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_access_config_unary(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_access_config_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_access_config._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "accessConfigResource",
                "instance",
                "networkInterface",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_access_config_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_access_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_access_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateAccessConfigInstanceRequest.pb(
            compute.UpdateAccessConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateAccessConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_access_config_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_access_config_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateAccessConfigInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["access_config_resource"] = {
        "external_ipv6": "external_ipv6_value",
        "external_ipv6_prefix_length": 2837,
        "kind": "kind_value",
        "name": "name_value",
        "nat_i_p": "nat_i_p_value",
        "network_tier": "network_tier_value",
        "public_ptr_domain_name": "public_ptr_domain_name_value",
        "set_public_ptr": True,
        "type_": "type__value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_access_config_unary(request)


def test_update_access_config_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_access_config_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateAccessConfig"
            % client.transport._host,
            args[1],
        )


def test_update_access_config_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_access_config_unary(
            compute.UpdateAccessConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            access_config_resource=compute.AccessConfig(
                external_ipv6="external_ipv6_value"
            ),
        )


def test_update_access_config_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateDisplayDeviceInstanceRequest,
        dict,
    ],
)
def test_update_display_device_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["display_device_resource"] = {"enable_display": True}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_display_device(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_update_display_device_rest_required_fields(
    request_type=compute.UpdateDisplayDeviceInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_display_device._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_display_device._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_display_device(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_display_device_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_display_device._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "displayDeviceResource",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_display_device_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_display_device"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_display_device"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateDisplayDeviceInstanceRequest.pb(
            compute.UpdateDisplayDeviceInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateDisplayDeviceInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_display_device(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_display_device_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateDisplayDeviceInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["display_device_resource"] = {"enable_display": True}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_display_device(request)


def test_update_display_device_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            display_device_resource=compute.DisplayDevice(enable_display=True),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_display_device(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateDisplayDevice"
            % client.transport._host,
            args[1],
        )


def test_update_display_device_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_display_device(
            compute.UpdateDisplayDeviceInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            display_device_resource=compute.DisplayDevice(enable_display=True),
        )


def test_update_display_device_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateDisplayDeviceInstanceRequest,
        dict,
    ],
)
def test_update_display_device_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["display_device_resource"] = {"enable_display": True}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_display_device_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_update_display_device_unary_rest_required_fields(
    request_type=compute.UpdateDisplayDeviceInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_display_device._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_display_device._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_display_device_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_display_device_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_display_device._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "displayDeviceResource",
                "instance",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_display_device_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_display_device"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_display_device"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateDisplayDeviceInstanceRequest.pb(
            compute.UpdateDisplayDeviceInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateDisplayDeviceInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_display_device_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_display_device_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateDisplayDeviceInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["display_device_resource"] = {"enable_display": True}
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_display_device_unary(request)


def test_update_display_device_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            display_device_resource=compute.DisplayDevice(enable_display=True),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_display_device_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateDisplayDevice"
            % client.transport._host,
            args[1],
        )


def test_update_display_device_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_display_device_unary(
            compute.UpdateDisplayDeviceInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            display_device_resource=compute.DisplayDevice(enable_display=True),
        )


def test_update_display_device_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateNetworkInterfaceInstanceRequest,
        dict,
    ],
)
def test_update_network_interface_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["network_interface_resource"] = {
        "access_configs": [
            {
                "external_ipv6": "external_ipv6_value",
                "external_ipv6_prefix_length": 2837,
                "kind": "kind_value",
                "name": "name_value",
                "nat_i_p": "nat_i_p_value",
                "network_tier": "network_tier_value",
                "public_ptr_domain_name": "public_ptr_domain_name_value",
                "set_public_ptr": True,
                "type_": "type__value",
            }
        ],
        "alias_ip_ranges": [
            {
                "ip_cidr_range": "ip_cidr_range_value",
                "subnetwork_range_name": "subnetwork_range_name_value",
            }
        ],
        "fingerprint": "fingerprint_value",
        "internal_ipv6_prefix_length": 2831,
        "ipv6_access_configs": {},
        "ipv6_access_type": "ipv6_access_type_value",
        "ipv6_address": "ipv6_address_value",
        "kind": "kind_value",
        "name": "name_value",
        "network": "network_value",
        "network_attachment": "network_attachment_value",
        "network_i_p": "network_i_p_value",
        "nic_type": "nic_type_value",
        "queue_count": 1197,
        "stack_type": "stack_type_value",
        "subnetwork": "subnetwork_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_network_interface(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_update_network_interface_rest_required_fields(
    request_type=compute.UpdateNetworkInterfaceInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_network_interface._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_network_interface._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_network_interface(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_network_interface_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_network_interface._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "networkInterface",
                "networkInterfaceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_network_interface_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_network_interface"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_network_interface"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateNetworkInterfaceInstanceRequest.pb(
            compute.UpdateNetworkInterfaceInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateNetworkInterfaceInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_network_interface(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_network_interface_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateNetworkInterfaceInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["network_interface_resource"] = {
        "access_configs": [
            {
                "external_ipv6": "external_ipv6_value",
                "external_ipv6_prefix_length": 2837,
                "kind": "kind_value",
                "name": "name_value",
                "nat_i_p": "nat_i_p_value",
                "network_tier": "network_tier_value",
                "public_ptr_domain_name": "public_ptr_domain_name_value",
                "set_public_ptr": True,
                "type_": "type__value",
            }
        ],
        "alias_ip_ranges": [
            {
                "ip_cidr_range": "ip_cidr_range_value",
                "subnetwork_range_name": "subnetwork_range_name_value",
            }
        ],
        "fingerprint": "fingerprint_value",
        "internal_ipv6_prefix_length": 2831,
        "ipv6_access_configs": {},
        "ipv6_access_type": "ipv6_access_type_value",
        "ipv6_address": "ipv6_address_value",
        "kind": "kind_value",
        "name": "name_value",
        "network": "network_value",
        "network_attachment": "network_attachment_value",
        "network_i_p": "network_i_p_value",
        "nic_type": "nic_type_value",
        "queue_count": 1197,
        "stack_type": "stack_type_value",
        "subnetwork": "subnetwork_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_network_interface(request)


def test_update_network_interface_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            network_interface_resource=compute.NetworkInterface(
                access_configs=[
                    compute.AccessConfig(external_ipv6="external_ipv6_value")
                ]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_network_interface(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateNetworkInterface"
            % client.transport._host,
            args[1],
        )


def test_update_network_interface_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_network_interface(
            compute.UpdateNetworkInterfaceInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            network_interface_resource=compute.NetworkInterface(
                access_configs=[
                    compute.AccessConfig(external_ipv6="external_ipv6_value")
                ]
            ),
        )


def test_update_network_interface_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateNetworkInterfaceInstanceRequest,
        dict,
    ],
)
def test_update_network_interface_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["network_interface_resource"] = {
        "access_configs": [
            {
                "external_ipv6": "external_ipv6_value",
                "external_ipv6_prefix_length": 2837,
                "kind": "kind_value",
                "name": "name_value",
                "nat_i_p": "nat_i_p_value",
                "network_tier": "network_tier_value",
                "public_ptr_domain_name": "public_ptr_domain_name_value",
                "set_public_ptr": True,
                "type_": "type__value",
            }
        ],
        "alias_ip_ranges": [
            {
                "ip_cidr_range": "ip_cidr_range_value",
                "subnetwork_range_name": "subnetwork_range_name_value",
            }
        ],
        "fingerprint": "fingerprint_value",
        "internal_ipv6_prefix_length": 2831,
        "ipv6_access_configs": {},
        "ipv6_access_type": "ipv6_access_type_value",
        "ipv6_address": "ipv6_address_value",
        "kind": "kind_value",
        "name": "name_value",
        "network": "network_value",
        "network_attachment": "network_attachment_value",
        "network_i_p": "network_i_p_value",
        "nic_type": "nic_type_value",
        "queue_count": 1197,
        "stack_type": "stack_type_value",
        "subnetwork": "subnetwork_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_network_interface_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_update_network_interface_unary_rest_required_fields(
    request_type=compute.UpdateNetworkInterfaceInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["network_interface"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped
    assert "networkInterface" not in jsonified_request

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_network_interface._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == request_init["network_interface"]

    jsonified_request["instance"] = "instance_value"
    jsonified_request["networkInterface"] = "network_interface_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_network_interface._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(
        (
            "network_interface",
            "request_id",
        )
    )
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "networkInterface" in jsonified_request
    assert jsonified_request["networkInterface"] == "network_interface_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_network_interface_unary(request)

            expected_params = [
                (
                    "networkInterface",
                    "",
                ),
            ]
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_network_interface_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_network_interface._get_unset_required_fields({})
    assert set(unset_fields) == (
        set(
            (
                "networkInterface",
                "requestId",
            )
        )
        & set(
            (
                "instance",
                "networkInterface",
                "networkInterfaceResource",
                "project",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_network_interface_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_network_interface"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_network_interface"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateNetworkInterfaceInstanceRequest.pb(
            compute.UpdateNetworkInterfaceInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateNetworkInterfaceInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_network_interface_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_network_interface_unary_rest_bad_request(
    transport: str = "rest", request_type=compute.UpdateNetworkInterfaceInstanceRequest
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["network_interface_resource"] = {
        "access_configs": [
            {
                "external_ipv6": "external_ipv6_value",
                "external_ipv6_prefix_length": 2837,
                "kind": "kind_value",
                "name": "name_value",
                "nat_i_p": "nat_i_p_value",
                "network_tier": "network_tier_value",
                "public_ptr_domain_name": "public_ptr_domain_name_value",
                "set_public_ptr": True,
                "type_": "type__value",
            }
        ],
        "alias_ip_ranges": [
            {
                "ip_cidr_range": "ip_cidr_range_value",
                "subnetwork_range_name": "subnetwork_range_name_value",
            }
        ],
        "fingerprint": "fingerprint_value",
        "internal_ipv6_prefix_length": 2831,
        "ipv6_access_configs": {},
        "ipv6_access_type": "ipv6_access_type_value",
        "ipv6_address": "ipv6_address_value",
        "kind": "kind_value",
        "name": "name_value",
        "network": "network_value",
        "network_attachment": "network_attachment_value",
        "network_i_p": "network_i_p_value",
        "nic_type": "nic_type_value",
        "queue_count": 1197,
        "stack_type": "stack_type_value",
        "subnetwork": "subnetwork_value",
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_network_interface_unary(request)


def test_update_network_interface_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            network_interface_resource=compute.NetworkInterface(
                access_configs=[
                    compute.AccessConfig(external_ipv6="external_ipv6_value")
                ]
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_network_interface_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateNetworkInterface"
            % client.transport._host,
            args[1],
        )


def test_update_network_interface_unary_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_network_interface_unary(
            compute.UpdateNetworkInterfaceInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            network_interface="network_interface_value",
            network_interface_resource=compute.NetworkInterface(
                access_configs=[
                    compute.AccessConfig(external_ipv6="external_ipv6_value")
                ]
            ),
        )


def test_update_network_interface_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateShieldedInstanceConfigInstanceRequest,
        dict,
    ],
)
def test_update_shielded_instance_config_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_config_resource"] = {
        "enable_integrity_monitoring": True,
        "enable_secure_boot": True,
        "enable_vtpm": True,
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_shielded_instance_config(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, extended_operation.ExtendedOperation)
    assert response.client_operation_id == "client_operation_id_value"
    assert response.creation_timestamp == "creation_timestamp_value"
    assert response.description == "description_value"
    assert response.end_time == "end_time_value"
    assert response.http_error_message == "http_error_message_value"
    assert response.http_error_status_code == 2374
    assert response.id == 205
    assert response.insert_time == "insert_time_value"
    assert response.kind == "kind_value"
    assert response.name == "name_value"
    assert response.operation_group_id == "operation_group_id_value"
    assert response.operation_type == "operation_type_value"
    assert response.progress == 885
    assert response.region == "region_value"
    assert response.self_link == "self_link_value"
    assert response.start_time == "start_time_value"
    assert response.status == compute.Operation.Status.DONE
    assert response.status_message == "status_message_value"
    assert response.target_id == 947
    assert response.target_link == "target_link_value"
    assert response.user == "user_value"
    assert response.zone == "zone_value"


def test_update_shielded_instance_config_rest_required_fields(
    request_type=compute.UpdateShieldedInstanceConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_shielded_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_shielded_instance_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_shielded_instance_config(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_shielded_instance_config_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_shielded_instance_config._get_unset_required_fields(
        {}
    )
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "shieldedInstanceConfigResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_shielded_instance_config_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_shielded_instance_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_shielded_instance_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateShieldedInstanceConfigInstanceRequest.pb(
            compute.UpdateShieldedInstanceConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateShieldedInstanceConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_shielded_instance_config(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_shielded_instance_config_rest_bad_request(
    transport: str = "rest",
    request_type=compute.UpdateShieldedInstanceConfigInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_config_resource"] = {
        "enable_integrity_monitoring": True,
        "enable_secure_boot": True,
        "enable_vtpm": True,
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_shielded_instance_config(request)


def test_update_shielded_instance_config_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_config_resource=compute.ShieldedInstanceConfig(
                enable_integrity_monitoring=True
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_shielded_instance_config(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateShieldedInstanceConfig"
            % client.transport._host,
            args[1],
        )


def test_update_shielded_instance_config_rest_flattened_error(transport: str = "rest"):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_shielded_instance_config(
            compute.UpdateShieldedInstanceConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_config_resource=compute.ShieldedInstanceConfig(
                enable_integrity_monitoring=True
            ),
        )


def test_update_shielded_instance_config_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


@pytest.mark.parametrize(
    "request_type",
    [
        compute.UpdateShieldedInstanceConfigInstanceRequest,
        dict,
    ],
)
def test_update_shielded_instance_config_unary_rest(request_type):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_config_resource"] = {
        "enable_integrity_monitoring": True,
        "enable_secure_boot": True,
        "enable_vtpm": True,
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation(
            client_operation_id="client_operation_id_value",
            creation_timestamp="creation_timestamp_value",
            description="description_value",
            end_time="end_time_value",
            http_error_message="http_error_message_value",
            http_error_status_code=2374,
            id=205,
            insert_time="insert_time_value",
            kind="kind_value",
            name="name_value",
            operation_group_id="operation_group_id_value",
            operation_type="operation_type_value",
            progress=885,
            region="region_value",
            self_link="self_link_value",
            start_time="start_time_value",
            status=compute.Operation.Status.DONE,
            status_message="status_message_value",
            target_id=947,
            target_link="target_link_value",
            user="user_value",
            zone="zone_value",
        )

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)

        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value
        response = client.update_shielded_instance_config_unary(request)

    # Establish that the response is the type that we expect.
    assert isinstance(response, compute.Operation)


def test_update_shielded_instance_config_unary_rest_required_fields(
    request_type=compute.UpdateShieldedInstanceConfigInstanceRequest,
):
    transport_class = transports.InstancesRestTransport

    request_init = {}
    request_init["instance"] = ""
    request_init["project"] = ""
    request_init["zone"] = ""
    request = request_type(**request_init)
    pb_request = request_type.pb(request)
    jsonified_request = json.loads(
        json_format.MessageToJson(
            pb_request,
            including_default_value_fields=False,
            use_integers_for_enums=False,
        )
    )

    # verify fields with default values are dropped

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_shielded_instance_config._get_unset_required_fields(jsonified_request)
    jsonified_request.update(unset_fields)

    # verify required fields with default values are now present

    jsonified_request["instance"] = "instance_value"
    jsonified_request["project"] = "project_value"
    jsonified_request["zone"] = "zone_value"

    unset_fields = transport_class(
        credentials=ga_credentials.AnonymousCredentials()
    ).update_shielded_instance_config._get_unset_required_fields(jsonified_request)
    # Check that path parameters and body parameters are not mixing in.
    assert not set(unset_fields) - set(("request_id",))
    jsonified_request.update(unset_fields)

    # verify required fields with non-default values are left alone
    assert "instance" in jsonified_request
    assert jsonified_request["instance"] == "instance_value"
    assert "project" in jsonified_request
    assert jsonified_request["project"] == "project_value"
    assert "zone" in jsonified_request
    assert jsonified_request["zone"] == "zone_value"

    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )
    request = request_type(**request_init)

    # Designate an appropriate value for the returned response.
    return_value = compute.Operation()
    # Mock the http request call within the method and fake a response.
    with mock.patch.object(Session, "request") as req:
        # We need to mock transcode() because providing default values
        # for required fields will fail the real version if the http_options
        # expect actual values for those fields.
        with mock.patch.object(path_template, "transcode") as transcode:
            # A uri without fields and an empty body will force all the
            # request fields to show up in the query_params.
            pb_request = request_type.pb(request)
            transcode_result = {
                "uri": "v1/sample_method",
                "method": "patch",
                "query_params": pb_request,
            }
            transcode_result["body"] = pb_request
            transcode.return_value = transcode_result

            response_value = Response()
            response_value.status_code = 200

            pb_return_value = compute.Operation.pb(return_value)
            json_return_value = json_format.MessageToJson(pb_return_value)

            response_value._content = json_return_value.encode("UTF-8")
            req.return_value = response_value

            response = client.update_shielded_instance_config_unary(request)

            expected_params = []
            actual_params = req.call_args.kwargs["params"]
            assert expected_params == actual_params


def test_update_shielded_instance_config_unary_rest_unset_required_fields():
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials
    )

    unset_fields = transport.update_shielded_instance_config._get_unset_required_fields(
        {}
    )
    assert set(unset_fields) == (
        set(("requestId",))
        & set(
            (
                "instance",
                "project",
                "shieldedInstanceConfigResource",
                "zone",
            )
        )
    )


@pytest.mark.parametrize("null_interceptor", [True, False])
def test_update_shielded_instance_config_unary_rest_interceptors(null_interceptor):
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
        interceptor=None if null_interceptor else transports.InstancesRestInterceptor(),
    )
    client = InstancesClient(transport=transport)
    with mock.patch.object(
        type(client.transport._session), "request"
    ) as req, mock.patch.object(
        path_template, "transcode"
    ) as transcode, mock.patch.object(
        transports.InstancesRestInterceptor, "post_update_shielded_instance_config"
    ) as post, mock.patch.object(
        transports.InstancesRestInterceptor, "pre_update_shielded_instance_config"
    ) as pre:
        pre.assert_not_called()
        post.assert_not_called()
        pb_message = compute.UpdateShieldedInstanceConfigInstanceRequest.pb(
            compute.UpdateShieldedInstanceConfigInstanceRequest()
        )
        transcode.return_value = {
            "method": "post",
            "uri": "my_uri",
            "body": pb_message,
            "query_params": pb_message,
        }

        req.return_value = Response()
        req.return_value.status_code = 200
        req.return_value.request = PreparedRequest()
        req.return_value._content = compute.Operation.to_json(compute.Operation())

        request = compute.UpdateShieldedInstanceConfigInstanceRequest()
        metadata = [
            ("key", "val"),
            ("cephalopod", "squid"),
        ]
        pre.return_value = request, metadata
        post.return_value = compute.Operation()

        client.update_shielded_instance_config_unary(
            request,
            metadata=[
                ("key", "val"),
                ("cephalopod", "squid"),
            ],
        )

        pre.assert_called_once()
        post.assert_called_once()


def test_update_shielded_instance_config_unary_rest_bad_request(
    transport: str = "rest",
    request_type=compute.UpdateShieldedInstanceConfigInstanceRequest,
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # send a request that will satisfy transcoding
    request_init = {"project": "sample1", "zone": "sample2", "instance": "sample3"}
    request_init["shielded_instance_config_resource"] = {
        "enable_integrity_monitoring": True,
        "enable_secure_boot": True,
        "enable_vtpm": True,
    }
    request = request_type(**request_init)

    # Mock the http request call within the method and fake a BadRequest error.
    with mock.patch.object(Session, "request") as req, pytest.raises(
        core_exceptions.BadRequest
    ):
        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 400
        response_value.request = Request()
        req.return_value = response_value
        client.update_shielded_instance_config_unary(request)


def test_update_shielded_instance_config_unary_rest_flattened():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport="rest",
    )

    # Mock the http request call within the method and fake a response.
    with mock.patch.object(type(client.transport._session), "request") as req:
        # Designate an appropriate value for the returned response.
        return_value = compute.Operation()

        # get arguments that satisfy an http rule for this method
        sample_request = {
            "project": "sample1",
            "zone": "sample2",
            "instance": "sample3",
        }

        # get truthy value for each flattened field
        mock_args = dict(
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_config_resource=compute.ShieldedInstanceConfig(
                enable_integrity_monitoring=True
            ),
        )
        mock_args.update(sample_request)

        # Wrap the value into a proper Response obj
        response_value = Response()
        response_value.status_code = 200
        pb_return_value = compute.Operation.pb(return_value)
        json_return_value = json_format.MessageToJson(pb_return_value)
        response_value._content = json_return_value.encode("UTF-8")
        req.return_value = response_value

        client.update_shielded_instance_config_unary(**mock_args)

        # Establish that the underlying call was made with the expected
        # request object values.
        assert len(req.mock_calls) == 1
        _, args, _ = req.mock_calls[0]
        assert path_template.validate(
            "%s/compute/v1/projects/{project}/zones/{zone}/instances/{instance}/updateShieldedInstanceConfig"
            % client.transport._host,
            args[1],
        )


def test_update_shielded_instance_config_unary_rest_flattened_error(
    transport: str = "rest",
):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        transport=transport,
    )

    # Attempting to call a method with both a request object and flattened
    # fields is an error.
    with pytest.raises(ValueError):
        client.update_shielded_instance_config_unary(
            compute.UpdateShieldedInstanceConfigInstanceRequest(),
            project="project_value",
            zone="zone_value",
            instance="instance_value",
            shielded_instance_config_resource=compute.ShieldedInstanceConfig(
                enable_integrity_monitoring=True
            ),
        )


def test_update_shielded_instance_config_unary_rest_error():
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(), transport="rest"
    )


def test_credentials_transport_error():
    # It is an error to provide credentials and a transport instance.
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    with pytest.raises(ValueError):
        client = InstancesClient(
            credentials=ga_credentials.AnonymousCredentials(),
            transport=transport,
        )

    # It is an error to provide a credentials file and a transport instance.
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    with pytest.raises(ValueError):
        client = InstancesClient(
            client_options={"credentials_file": "credentials.json"},
            transport=transport,
        )

    # It is an error to provide an api_key and a transport instance.
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    options = client_options.ClientOptions()
    options.api_key = "api_key"
    with pytest.raises(ValueError):
        client = InstancesClient(
            client_options=options,
            transport=transport,
        )

    # It is an error to provide an api_key and a credential.
    options = mock.Mock()
    options.api_key = "api_key"
    with pytest.raises(ValueError):
        client = InstancesClient(
            client_options=options, credentials=ga_credentials.AnonymousCredentials()
        )

    # It is an error to provide scopes and a transport instance.
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    with pytest.raises(ValueError):
        client = InstancesClient(
            client_options={"scopes": ["1", "2"]},
            transport=transport,
        )


def test_transport_instance():
    # A client may be instantiated with a custom transport instance.
    transport = transports.InstancesRestTransport(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    client = InstancesClient(transport=transport)
    assert client.transport is transport


@pytest.mark.parametrize(
    "transport_class",
    [
        transports.InstancesRestTransport,
    ],
)
def test_transport_adc(transport_class):
    # Test default credentials are used if not provided.
    with mock.patch.object(google.auth, "default") as adc:
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport_class()
        adc.assert_called_once()


@pytest.mark.parametrize(
    "transport_name",
    [
        "rest",
    ],
)
def test_transport_kind(transport_name):
    transport = InstancesClient.get_transport_class(transport_name)(
        credentials=ga_credentials.AnonymousCredentials(),
    )
    assert transport.kind == transport_name


def test_instances_base_transport_error():
    # Passing both a credentials object and credentials_file should raise an error
    with pytest.raises(core_exceptions.DuplicateCredentialArgs):
        transport = transports.InstancesTransport(
            credentials=ga_credentials.AnonymousCredentials(),
            credentials_file="credentials.json",
        )


def test_instances_base_transport():
    # Instantiate the base transport.
    with mock.patch(
        "google.cloud.compute_v1.services.instances.transports.InstancesTransport.__init__"
    ) as Transport:
        Transport.return_value = None
        transport = transports.InstancesTransport(
            credentials=ga_credentials.AnonymousCredentials(),
        )

    # Every method on the transport should just blindly
    # raise NotImplementedError.
    methods = (
        "add_access_config",
        "add_resource_policies",
        "aggregated_list",
        "attach_disk",
        "bulk_insert",
        "delete",
        "delete_access_config",
        "detach_disk",
        "get",
        "get_effective_firewalls",
        "get_guest_attributes",
        "get_iam_policy",
        "get_screenshot",
        "get_serial_port_output",
        "get_shielded_instance_identity",
        "insert",
        "list",
        "list_referrers",
        "remove_resource_policies",
        "reset",
        "resume",
        "send_diagnostic_interrupt",
        "set_deletion_protection",
        "set_disk_auto_delete",
        "set_iam_policy",
        "set_labels",
        "set_machine_resources",
        "set_machine_type",
        "set_metadata",
        "set_min_cpu_platform",
        "set_name",
        "set_scheduling",
        "set_service_account",
        "set_shielded_instance_integrity_policy",
        "set_tags",
        "simulate_maintenance_event",
        "start",
        "start_with_encryption_key",
        "stop",
        "suspend",
        "test_iam_permissions",
        "update",
        "update_access_config",
        "update_display_device",
        "update_network_interface",
        "update_shielded_instance_config",
    )
    for method in methods:
        with pytest.raises(NotImplementedError):
            getattr(transport, method)(request=object())

    with pytest.raises(NotImplementedError):
        transport.close()

    # Catch all for all remaining methods and properties
    remainder = [
        "kind",
    ]
    for r in remainder:
        with pytest.raises(NotImplementedError):
            getattr(transport, r)()


def test_instances_base_transport_with_credentials_file():
    # Instantiate the base transport with a credentials file
    with mock.patch.object(
        google.auth, "load_credentials_from_file", autospec=True
    ) as load_creds, mock.patch(
        "google.cloud.compute_v1.services.instances.transports.InstancesTransport._prep_wrapped_messages"
    ) as Transport:
        Transport.return_value = None
        load_creds.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport = transports.InstancesTransport(
            credentials_file="credentials.json",
            quota_project_id="octopus",
        )
        load_creds.assert_called_once_with(
            "credentials.json",
            scopes=None,
            default_scopes=(
                "https://www.googleapis.com/auth/compute",
                "https://www.googleapis.com/auth/cloud-platform",
            ),
            quota_project_id="octopus",
        )


def test_instances_base_transport_with_adc():
    # Test the default credentials are used if credentials and credentials_file are None.
    with mock.patch.object(google.auth, "default", autospec=True) as adc, mock.patch(
        "google.cloud.compute_v1.services.instances.transports.InstancesTransport._prep_wrapped_messages"
    ) as Transport:
        Transport.return_value = None
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        transport = transports.InstancesTransport()
        adc.assert_called_once()


def test_instances_auth_adc():
    # If no credentials are provided, we should use ADC credentials.
    with mock.patch.object(google.auth, "default", autospec=True) as adc:
        adc.return_value = (ga_credentials.AnonymousCredentials(), None)
        InstancesClient()
        adc.assert_called_once_with(
            scopes=None,
            default_scopes=(
                "https://www.googleapis.com/auth/compute",
                "https://www.googleapis.com/auth/cloud-platform",
            ),
            quota_project_id=None,
        )


def test_instances_http_transport_client_cert_source_for_mtls():
    cred = ga_credentials.AnonymousCredentials()
    with mock.patch(
        "google.auth.transport.requests.AuthorizedSession.configure_mtls_channel"
    ) as mock_configure_mtls_channel:
        transports.InstancesRestTransport(
            credentials=cred, client_cert_source_for_mtls=client_cert_source_callback
        )
        mock_configure_mtls_channel.assert_called_once_with(client_cert_source_callback)


@pytest.mark.parametrize(
    "transport_name",
    [
        "rest",
    ],
)
def test_instances_host_no_port(transport_name):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        client_options=client_options.ClientOptions(
            api_endpoint="compute.googleapis.com"
        ),
        transport=transport_name,
    )
    assert client.transport._host == (
        "compute.googleapis.com:443"
        if transport_name in ["grpc", "grpc_asyncio"]
        else "https://compute.googleapis.com"
    )


@pytest.mark.parametrize(
    "transport_name",
    [
        "rest",
    ],
)
def test_instances_host_with_port(transport_name):
    client = InstancesClient(
        credentials=ga_credentials.AnonymousCredentials(),
        client_options=client_options.ClientOptions(
            api_endpoint="compute.googleapis.com:8000"
        ),
        transport=transport_name,
    )
    assert client.transport._host == (
        "compute.googleapis.com:8000"
        if transport_name in ["grpc", "grpc_asyncio"]
        else "https://compute.googleapis.com:8000"
    )


@pytest.mark.parametrize(
    "transport_name",
    [
        "rest",
    ],
)
def test_instances_client_transport_session_collision(transport_name):
    creds1 = ga_credentials.AnonymousCredentials()
    creds2 = ga_credentials.AnonymousCredentials()
    client1 = InstancesClient(
        credentials=creds1,
        transport=transport_name,
    )
    client2 = InstancesClient(
        credentials=creds2,
        transport=transport_name,
    )
    session1 = client1.transport.add_access_config._session
    session2 = client2.transport.add_access_config._session
    assert session1 != session2
    session1 = client1.transport.add_resource_policies._session
    session2 = client2.transport.add_resource_policies._session
    assert session1 != session2
    session1 = client1.transport.aggregated_list._session
    session2 = client2.transport.aggregated_list._session
    assert session1 != session2
    session1 = client1.transport.attach_disk._session
    session2 = client2.transport.attach_disk._session
    assert session1 != session2
    session1 = client1.transport.bulk_insert._session
    session2 = client2.transport.bulk_insert._session
    assert session1 != session2
    session1 = client1.transport.delete._session
    session2 = client2.transport.delete._session
    assert session1 != session2
    session1 = client1.transport.delete_access_config._session
    session2 = client2.transport.delete_access_config._session
    assert session1 != session2
    session1 = client1.transport.detach_disk._session
    session2 = client2.transport.detach_disk._session
    assert session1 != session2
    session1 = client1.transport.get._session
    session2 = client2.transport.get._session
    assert session1 != session2
    session1 = client1.transport.get_effective_firewalls._session
    session2 = client2.transport.get_effective_firewalls._session
    assert session1 != session2
    session1 = client1.transport.get_guest_attributes._session
    session2 = client2.transport.get_guest_attributes._session
    assert session1 != session2
    session1 = client1.transport.get_iam_policy._session
    session2 = client2.transport.get_iam_policy._session
    assert session1 != session2
    session1 = client1.transport.get_screenshot._session
    session2 = client2.transport.get_screenshot._session
    assert session1 != session2
    session1 = client1.transport.get_serial_port_output._session
    session2 = client2.transport.get_serial_port_output._session
    assert session1 != session2
    session1 = client1.transport.get_shielded_instance_identity._session
    session2 = client2.transport.get_shielded_instance_identity._session
    assert session1 != session2
    session1 = client1.transport.insert._session
    session2 = client2.transport.insert._session
    assert session1 != session2
    session1 = client1.transport.list._session
    session2 = client2.transport.list._session
    assert session1 != session2
    session1 = client1.transport.list_referrers._session
    session2 = client2.transport.list_referrers._session
    assert session1 != session2
    session1 = client1.transport.remove_resource_policies._session
    session2 = client2.transport.remove_resource_policies._session
    assert session1 != session2
    session1 = client1.transport.reset._session
    session2 = client2.transport.reset._session
    assert session1 != session2
    session1 = client1.transport.resume._session
    session2 = client2.transport.resume._session
    assert session1 != session2
    session1 = client1.transport.send_diagnostic_interrupt._session
    session2 = client2.transport.send_diagnostic_interrupt._session
    assert session1 != session2
    session1 = client1.transport.set_deletion_protection._session
    session2 = client2.transport.set_deletion_protection._session
    assert session1 != session2
    session1 = client1.transport.set_disk_auto_delete._session
    session2 = client2.transport.set_disk_auto_delete._session
    assert session1 != session2
    session1 = client1.transport.set_iam_policy._session
    session2 = client2.transport.set_iam_policy._session
    assert session1 != session2
    session1 = client1.transport.set_labels._session
    session2 = client2.transport.set_labels._session
    assert session1 != session2
    session1 = client1.transport.set_machine_resources._session
    session2 = client2.transport.set_machine_resources._session
    assert session1 != session2
    session1 = client1.transport.set_machine_type._session
    session2 = client2.transport.set_machine_type._session
    assert session1 != session2
    session1 = client1.transport.set_metadata._session
    session2 = client2.transport.set_metadata._session
    assert session1 != session2
    session1 = client1.transport.set_min_cpu_platform._session
    session2 = client2.transport.set_min_cpu_platform._session
    assert session1 != session2
    session1 = client1.transport.set_name._session
    session2 = client2.transport.set_name._session
    assert session1 != session2
    session1 = client1.transport.set_scheduling._session
    session2 = client2.transport.set_scheduling._session
    assert session1 != session2
    session1 = client1.transport.set_service_account._session
    session2 = client2.transport.set_service_account._session
    assert session1 != session2
    session1 = client1.transport.set_shielded_instance_integrity_policy._session
    session2 = client2.transport.set_shielded_instance_integrity_policy._session
    assert session1 != session2
    session1 = client1.transport.set_tags._session
    session2 = client2.transport.set_tags._session
    assert session1 != session2
    session1 = client1.transport.simulate_maintenance_event._session
    session2 = client2.transport.simulate_maintenance_event._session
    assert session1 != session2
    session1 = client1.transport.start._session
    session2 = client2.transport.start._session
    assert session1 != session2
    session1 = client1.transport.start_with_encryption_key._session
    session2 = client2.transport.start_with_encryption_key._session
    assert session1 != session2
    session1 = client1.transport.stop._session
    session2 = client2.transport.stop._session
    assert session1 != session2
    session1 = client1.transport.suspend._session
    session2 = client2.transport.suspend._session
    assert session1 != session2
    session1 = client1.transport.test_iam_permissions._session
    session2 = client2.transport.test_iam_permissions._session
    assert session1 != session2
    session1 = client1.transport.update._session
    session2 = client2.transport.update._session
    assert session1 != session2
    session1 = client1.transport.update_access_config._session
    session2 = client2.transport.update_access_config._session
    assert session1 != session2
    session1 = client1.transport.update_display_device._session
    session2 = client2.transport.update_display_device._session
    assert session1 != session2
    session1 = client1.transport.update_network_interface._session
    session2 = client2.transport.update_network_interface._session
    assert session1 != session2
    session1 = client1.transport.update_shielded_instance_config._session
    session2 = client2.transport.update_shielded_instance_config._session
    assert session1 != session2


def test_common_billing_account_path():
    billing_account = "squid"
    expected = "billingAccounts/{billing_account}".format(
        billing_account=billing_account,
    )
    actual = InstancesClient.common_billing_account_path(billing_account)
    assert expected == actual


def test_parse_common_billing_account_path():
    expected = {
        "billing_account": "clam",
    }
    path = InstancesClient.common_billing_account_path(**expected)

    # Check that the path construction is reversible.
    actual = InstancesClient.parse_common_billing_account_path(path)
    assert expected == actual


def test_common_folder_path():
    folder = "whelk"
    expected = "folders/{folder}".format(
        folder=folder,
    )
    actual = InstancesClient.common_folder_path(folder)
    assert expected == actual


def test_parse_common_folder_path():
    expected = {
        "folder": "octopus",
    }
    path = InstancesClient.common_folder_path(**expected)

    # Check that the path construction is reversible.
    actual = InstancesClient.parse_common_folder_path(path)
    assert expected == actual


def test_common_organization_path():
    organization = "oyster"
    expected = "organizations/{organization}".format(
        organization=organization,
    )
    actual = InstancesClient.common_organization_path(organization)
    assert expected == actual


def test_parse_common_organization_path():
    expected = {
        "organization": "nudibranch",
    }
    path = InstancesClient.common_organization_path(**expected)

    # Check that the path construction is reversible.
    actual = InstancesClient.parse_common_organization_path(path)
    assert expected == actual


def test_common_project_path():
    project = "cuttlefish"
    expected = "projects/{project}".format(
        project=project,
    )
    actual = InstancesClient.common_project_path(project)
    assert expected == actual


def test_parse_common_project_path():
    expected = {
        "project": "mussel",
    }
    path = InstancesClient.common_project_path(**expected)

    # Check that the path construction is reversible.
    actual = InstancesClient.parse_common_project_path(path)
    assert expected == actual


def test_common_location_path():
    project = "winkle"
    location = "nautilus"
    expected = "projects/{project}/locations/{location}".format(
        project=project,
        location=location,
    )
    actual = InstancesClient.common_location_path(project, location)
    assert expected == actual


def test_parse_common_location_path():
    expected = {
        "project": "scallop",
        "location": "abalone",
    }
    path = InstancesClient.common_location_path(**expected)

    # Check that the path construction is reversible.
    actual = InstancesClient.parse_common_location_path(path)
    assert expected == actual


def test_client_with_default_client_info():
    client_info = gapic_v1.client_info.ClientInfo()

    with mock.patch.object(
        transports.InstancesTransport, "_prep_wrapped_messages"
    ) as prep:
        client = InstancesClient(
            credentials=ga_credentials.AnonymousCredentials(),
            client_info=client_info,
        )
        prep.assert_called_once_with(client_info)

    with mock.patch.object(
        transports.InstancesTransport, "_prep_wrapped_messages"
    ) as prep:
        transport_class = InstancesClient.get_transport_class()
        transport = transport_class(
            credentials=ga_credentials.AnonymousCredentials(),
            client_info=client_info,
        )
        prep.assert_called_once_with(client_info)


def test_transport_close():
    transports = {
        "rest": "_session",
    }

    for transport, close_name in transports.items():
        client = InstancesClient(
            credentials=ga_credentials.AnonymousCredentials(), transport=transport
        )
        with mock.patch.object(
            type(getattr(client.transport, close_name)), "close"
        ) as close:
            with client:
                close.assert_not_called()
            close.assert_called_once()


def test_client_ctx():
    transports = [
        "rest",
    ]
    for transport in transports:
        client = InstancesClient(
            credentials=ga_credentials.AnonymousCredentials(), transport=transport
        )
        # Test client calls underlying transport.
        with mock.patch.object(type(client.transport), "close") as close:
            close.assert_not_called()
            with client:
                pass
            close.assert_called()


@pytest.mark.parametrize(
    "client_class,transport_class",
    [
        (InstancesClient, transports.InstancesRestTransport),
    ],
)
def test_api_key_credentials(client_class, transport_class):
    with mock.patch.object(
        google.auth._default, "get_api_key_credentials", create=True
    ) as get_api_key_credentials:
        mock_cred = mock.Mock()
        get_api_key_credentials.return_value = mock_cred
        options = client_options.ClientOptions()
        options.api_key = "api_key"
        with mock.patch.object(transport_class, "__init__") as patched:
            patched.return_value = None
            client = client_class(client_options=options)
            patched.assert_called_once_with(
                credentials=mock_cred,
                credentials_file=None,
                host=client.DEFAULT_ENDPOINT,
                scopes=None,
                client_cert_source_for_mtls=None,
                quota_project_id=None,
                client_info=transports.base.DEFAULT_CLIENT_INFO,
                always_use_jwt_access=True,
                api_audience=None,
            )
