import http.client

import requests

from werkzeug.datastructures import Headers

from werkzeug.http import parse_dict_header

from pytest_httpserver import HTTPServer

from pytest_httpserver.httpserver import HeaderValueMatcher

def test_custom_headers(httpserver: HTTPServer):

headers_with_values_in_direct_order = {"Custom": 'Scheme key0="value0", key1="value1"'}

httpserver.expect_request(uri="/", headers=headers_with_values_in_direct_order).respond_with_data("OK")

response = requests.get(httpserver.url_for("/"), headers=headers_with_values_in_direct_order)

assert response.status_code == 200

assert response.text == "OK"

# By default different order of items in header value dicts means different header values

headers_with_values_in_modified_order = {"Custom": 'Scheme key1="value1", key0="value0"'}

response = requests.get(httpserver.url_for("/"), headers=headers_with_values_in_modified_order)

assert response.status_code == 500

# Define header_value_matcher that ignores the order of items in header value dict

def custom_header_value_matcher(actual: str, expected: str) -> bool:

actual_scheme, _, actual_dict_str = actual.partition(" ")

expected_scheme, _, expected_dict_str = expected.partition(" ")

actual_dict = parse_dict_header(actual_dict_str)

expected_dict = parse_dict_header(expected_dict_str)

return actual_scheme == expected_scheme and actual_dict == expected_dict

matchers = HeaderValueMatcher.DEFAULT_MATCHERS.copy() # type: ignore

matchers["Custom"] = custom_header_value_matcher

header_value_matcher = HeaderValueMatcher(matchers)

httpserver.handlers.clear()

httpserver.expect_request(

uri="/", headers=headers_with_values_in_direct_order, header_value_matcher=header_value_matcher

).respond_with_data("OK")

response = requests.get(httpserver.url_for("/"), headers=headers_with_values_in_modified_order)

assert response.status_code == 200

assert response.text == "OK"

# See https://en.wikipedia.org/wiki/Digest_access_authentication

def test_authorization_headers(httpserver: HTTPServer):

headers_with_values_in_direct_order = {

"Authorization": (

'Digest username="Mufasa",'

'realm="testrealm@host.com",'

'nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",'

'uri="/dir/index.html",'

"qop=auth,"

"nc=00000001,"

'cnonce="0a4f113b",'

'response="6629fae49393a05397450978507c4ef1",'

'opaque="5ccc069c403ebaf9f0171e9517f40e41"'

)

}

httpserver.expect_request(uri="/", headers=headers_with_values_in_direct_order).respond_with_data("OK")

response = requests.get(httpserver.url_for("/"), headers=headers_with_values_in_direct_order)

assert response.status_code == 200

assert response.text == "OK"

headers_with_values_in_modified_order = {

"Authorization": (

"Digest qop=auth,"

'username="Mufasa",'

'nonce="dcd98b7102dd2f0e8b11d0f600bfb0c093",'

'uri="/dir/index.html",'

"nc=00000001,"

'realm="testrealm@host.com",'

'response="6629fae49393a05397450978507c4ef1",'

'cnonce="0a4f113b",'

'opaque="5ccc069c403ebaf9f0171e9517f40e41"'

)

}

response = requests.get(httpserver.url_for("/"), headers=headers_with_values_in_modified_order)

assert response.status_code == 200

assert response.text == "OK"

def test_header_one_key_multiple_values(httpserver: HTTPServer):

httpserver.expect_request(uri="/t1").respond_with_data(headers=[("X-Foo", "123"), ("X-Foo", "456")])

httpserver.expect_request(uri="/t2").respond_with_data(headers={"X-Foo": ["123", "456"]})

headers = Headers()

headers.add("X-Foo", "123")

headers.add("X-Foo", "456")

httpserver.expect_request(uri="/t3").respond_with_data(headers=headers)

for uri in ("/t1", "/t2", "/t3"):

conn = http.client.HTTPConnection("localhost:{}".format(httpserver.port))

conn.request("GET", uri)

response = conn.getresponse()

conn.close()

assert response.status == 200

assert response.headers.get_all("X-Foo") == ["123", "456"]