import requests

from pytest_httpserver import HTTPServer

from werkzeug.http import parse_dict_header

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()

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'