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test__implicit_environ.py
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354 lines (259 loc) · 11.4 KB
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# Copyright 2014 Google Inc. All rights reserved.
#
# 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 unittest2
class Test_get_default_connection(unittest2.TestCase):
def setUp(self):
from gcloud.datastore._testing import _setup_defaults
_setup_defaults(self)
def tearDown(self):
from gcloud.datastore._testing import _tear_down_defaults
_tear_down_defaults(self)
def _callFUT(self):
from gcloud.datastore._implicit_environ import get_default_connection
return get_default_connection()
def test_default(self):
self.assertEqual(self._callFUT(), None)
def test_preset(self):
from gcloud.datastore._testing import _monkey_defaults
SENTINEL = object()
with _monkey_defaults(connection=SENTINEL):
self.assertEqual(self._callFUT(), SENTINEL)
class Test_get_default_dataset_id(unittest2.TestCase):
def setUp(self):
from gcloud.datastore._testing import _setup_defaults
_setup_defaults(self)
def tearDown(self):
from gcloud.datastore._testing import _tear_down_defaults
_tear_down_defaults(self)
def _callFUT(self):
from gcloud.datastore._implicit_environ import get_default_dataset_id
return get_default_dataset_id()
def test_default(self):
self.assertEqual(self._callFUT(), None)
def test_preset(self):
from gcloud.datastore._testing import _monkey_defaults
SENTINEL = object()
with _monkey_defaults(dataset_id=SENTINEL):
self.assertEqual(self._callFUT(), SENTINEL)
class Test__get_production_dataset_id(unittest2.TestCase):
def _callFUT(self):
from gcloud.datastore import _implicit_environ
return _implicit_environ._get_production_dataset_id()
def test_no_value(self):
import os
from gcloud._testing import _Monkey
environ = {}
with _Monkey(os, getenv=environ.get):
dataset_id = self._callFUT()
self.assertEqual(dataset_id, None)
def test_value_set(self):
import os
from gcloud._testing import _Monkey
from gcloud.datastore._implicit_environ import _DATASET_ENV_VAR_NAME
MOCK_DATASET_ID = object()
environ = {_DATASET_ENV_VAR_NAME: MOCK_DATASET_ID}
with _Monkey(os, getenv=environ.get):
dataset_id = self._callFUT()
self.assertEqual(dataset_id, MOCK_DATASET_ID)
class Test__get_gcd_dataset_id(unittest2.TestCase):
def _callFUT(self):
from gcloud.datastore import _implicit_environ
return _implicit_environ._get_gcd_dataset_id()
def test_no_value(self):
import os
from gcloud._testing import _Monkey
environ = {}
with _Monkey(os, getenv=environ.get):
dataset_id = self._callFUT()
self.assertEqual(dataset_id, None)
def test_value_set(self):
import os
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
MOCK_DATASET_ID = object()
environ = {
_implicit_environ._GCD_DATASET_ENV_VAR_NAME: MOCK_DATASET_ID,
}
with _Monkey(os, getenv=environ.get):
dataset_id = self._callFUT()
self.assertEqual(dataset_id, MOCK_DATASET_ID)
class Test__determine_default_dataset_id(unittest2.TestCase):
def _callFUT(self, dataset_id=None):
from gcloud.datastore import _implicit_environ
return _implicit_environ._determine_default_dataset_id(
dataset_id=dataset_id)
def _determine_default_helper(self, prod=None, gcd=None, gae=None,
gce=None, dataset_id=None):
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
_callers = []
def prod_mock():
_callers.append('prod_mock')
return prod
def gcd_mock():
_callers.append('gcd_mock')
return gcd
def gae_mock():
_callers.append('gae_mock')
return gae
def gce_mock():
_callers.append('gce_mock')
return gce
patched_methods = {
'_get_production_dataset_id': prod_mock,
'_get_gcd_dataset_id': gcd_mock,
'_app_engine_id': gae_mock,
'_compute_engine_id': gce_mock,
}
with _Monkey(_implicit_environ, **patched_methods):
returned_dataset_id = self._callFUT(dataset_id)
return returned_dataset_id, _callers
def test_no_value(self):
dataset_id, callers = self._determine_default_helper()
self.assertEqual(dataset_id, None)
self.assertEqual(callers,
['prod_mock', 'gcd_mock', 'gae_mock', 'gce_mock'])
def test_explicit(self):
DATASET_ID = object()
dataset_id, callers = self._determine_default_helper(
dataset_id=DATASET_ID)
self.assertEqual(dataset_id, DATASET_ID)
self.assertEqual(callers, [])
def test_prod(self):
DATASET_ID = object()
dataset_id, callers = self._determine_default_helper(prod=DATASET_ID)
self.assertEqual(dataset_id, DATASET_ID)
self.assertEqual(callers, ['prod_mock'])
def test_gcd(self):
DATASET_ID = object()
dataset_id, callers = self._determine_default_helper(gcd=DATASET_ID)
self.assertEqual(dataset_id, DATASET_ID)
self.assertEqual(callers, ['prod_mock', 'gcd_mock'])
def test_gae(self):
DATASET_ID = object()
dataset_id, callers = self._determine_default_helper(gae=DATASET_ID)
self.assertEqual(dataset_id, DATASET_ID)
self.assertEqual(callers, ['prod_mock', 'gcd_mock', 'gae_mock'])
def test_gce(self):
DATASET_ID = object()
dataset_id, callers = self._determine_default_helper(gce=DATASET_ID)
self.assertEqual(dataset_id, DATASET_ID)
self.assertEqual(callers,
['prod_mock', 'gcd_mock', 'gae_mock', 'gce_mock'])
class Test_set_default_dataset_id(unittest2.TestCase):
def setUp(self):
from gcloud.datastore._testing import _setup_defaults
_setup_defaults(self)
def tearDown(self):
from gcloud.datastore._testing import _tear_down_defaults
_tear_down_defaults(self)
def _callFUT(self, dataset_id=None):
from gcloud.datastore._implicit_environ import set_default_dataset_id
return set_default_dataset_id(dataset_id=dataset_id)
def test_raises(self):
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
_called_dataset_id = []
def mock_determine(dataset_id):
_called_dataset_id.append(dataset_id)
return None
with _Monkey(_implicit_environ,
_determine_default_dataset_id=mock_determine):
self.assertRaises(EnvironmentError, self._callFUT)
self.assertEqual(_called_dataset_id, [None])
def test_set_correctly(self):
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
self.assertEqual(_implicit_environ._DEFAULTS.dataset_id, None)
DATASET_ID = object()
_called_dataset_id = []
def mock_determine(dataset_id):
_called_dataset_id.append(dataset_id)
return DATASET_ID
with _Monkey(_implicit_environ,
_determine_default_dataset_id=mock_determine):
self._callFUT()
self.assertEqual(_implicit_environ._DEFAULTS.dataset_id, DATASET_ID)
self.assertEqual(_called_dataset_id, [None])
class Test_lazy_loading(unittest2.TestCase):
def setUp(self):
from gcloud.datastore._testing import _setup_defaults
_setup_defaults(self, implicit=True)
def tearDown(self):
from gcloud.datastore._testing import _tear_down_defaults
_tear_down_defaults(self)
def test_descriptor_for_dataset_id(self):
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
self.assertFalse(
'dataset_id' in _implicit_environ._DEFAULTS.__dict__)
DEFAULT = object()
with _Monkey(_implicit_environ,
_determine_default_dataset_id=lambda: DEFAULT):
lazy_loaded = _implicit_environ._DEFAULTS.dataset_id
self.assertEqual(lazy_loaded, DEFAULT)
self.assertTrue(
'dataset_id' in _implicit_environ._DEFAULTS.__dict__)
def test_descriptor_for_connection(self):
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
self.assertFalse(
'connection' in _implicit_environ._DEFAULTS.__dict__)
DEFAULT = object()
with _Monkey(_implicit_environ, get_connection=lambda: DEFAULT):
lazy_loaded = _implicit_environ._DEFAULTS.connection
self.assertEqual(lazy_loaded, DEFAULT)
self.assertTrue(
'connection' in _implicit_environ._DEFAULTS.__dict__)
class Test_get_connection(unittest2.TestCase):
def _callFUT(self):
from gcloud.datastore._implicit_environ import get_connection
return get_connection()
def test_it(self):
from gcloud import credentials
from gcloud.datastore._implicit_environ import SCOPE
from gcloud.datastore.connection import Connection
from gcloud.test_credentials import _Client
from gcloud._testing import _Monkey
client = _Client()
with _Monkey(credentials, client=client):
found = self._callFUT()
self.assertTrue(isinstance(found, Connection))
self.assertTrue(found._credentials is client._signed)
self.assertEqual(found._credentials._scopes, SCOPE)
self.assertTrue(client._get_app_default_called)
class Test_set_default_connection(unittest2.TestCase):
def setUp(self):
from gcloud.datastore._testing import _setup_defaults
_setup_defaults(self)
def tearDown(self):
from gcloud.datastore._testing import _tear_down_defaults
_tear_down_defaults(self)
def _callFUT(self, connection=None):
from gcloud.datastore._implicit_environ import set_default_connection
return set_default_connection(connection=connection)
def test_set_explicit(self):
from gcloud.datastore import _implicit_environ
self.assertEqual(_implicit_environ.get_default_connection(), None)
fake_cnxn = object()
self._callFUT(connection=fake_cnxn)
self.assertEqual(_implicit_environ.get_default_connection(), fake_cnxn)
def test_set_implicit(self):
from gcloud._testing import _Monkey
from gcloud.datastore import _implicit_environ
self.assertEqual(_implicit_environ.get_default_connection(), None)
fake_cnxn = object()
with _Monkey(_implicit_environ, get_connection=lambda: fake_cnxn):
self._callFUT()
self.assertEqual(_implicit_environ.get_default_connection(), fake_cnxn)