Replace mock with unittest.mock

Signed-off-by: Ivan Kanakarakis <[email protected]>

Author: c00kiemon5ter

tests/test-requirements.txt

@@ -1,5 +1,4 @@
 coverage
-mock
 pyasn1
 pymongo >=3,<4
 pytest

tests/test_41_response.py

@@ -2,7 +2,8 @@
 # -*- coding: utf-8 -*-
 
 import datetime
-import mock
+from unittest.mock import Mock
+from unittest.mock import patch
 
 from contextlib import closing
 
@@ -127,9 +128,9 @@ def test_issuer_none(self):
         assert isinstance(resp, AuthnResponse)
         assert resp.issuer() == ""
 
-    @mock.patch('saml2.time_util.datetime')
+    @patch('saml2.time_util.datetime')
     def test_false_sign(self, mock_datetime):
-        mock_datetime.utcnow = mock.Mock(
+        mock_datetime.utcnow = Mock(
             return_value=datetime.datetime(2016, 9, 4, 9, 59, 39)
         )
         with open(FALSE_ASSERT_SIGNED) as fp:

tests/test_52_default_sign_alg.py

@@ -8,7 +8,6 @@
 from saml2.server import Server
 from saml2 import client
 from saml2 import config
-from mock.mock import Mock, MagicMock
 import saml2.xmldsig as ds
 
 nid = NameID(name_qualifier="foo", format=NAMEID_FORMAT_TRANSIENT,