Use unittest.mock instead of third party mock

We can now use the standard library mock library instead of the third
party one previously needed for py27 compatibility.

Change-Id: I18017068324e929c5b8df18ac0c9f9aa6c6328ff
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

congress/tests/api/base.py

@@ -12,8 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
+from unittest import mock
+
 from futurist import periodics
-import mock
 from oslo_config import cfg
 
 from congress.api import base as api_base

congress/tests/api/test_application.py

@@ -18,8 +18,8 @@ from __future__ import division
 from __future__ import absolute_import
 
 import json
+from unittest import mock
 
-import mock
 from oslo_config import cfg
 import webob
 

congress/tests/api/test_datasource_model.py

@@ -17,7 +17,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 from oslo_config import cfg
 from six.moves import reduce
 

congress/tests/api/test_policy_model.py

@@ -18,7 +18,8 @@ from __future__ import division
 from __future__ import absolute_import
 
 import copy
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from congress.api import error_codes

congress/tests/api/test_rule_model.py

@@ -16,7 +16,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.api import rule_model
 from congress.api import webservice

congress/tests/api/test_webservice.py

@@ -17,17 +17,12 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-try:
-    # For Python 3
-    import http.client as httplib
-except ImportError:
-    import httplib
+import http.client as httplib
 import json
-
-import mock
-import webob
+from unittest import mock
 
 from oslo_utils import uuidutils
+import webob
 
 from congress.api import webservice
 from congress.tests import base

congress/tests/base.py

@@ -19,9 +19,9 @@ from __future__ import division
 from __future__ import absolute_import
 import contextlib
 import os
+from unittest import mock
 
 import fixtures
-import mock
 from mox3 import mox
 from oslo_config import cfg
 import six

congress/tests/base_rpc.py

@@ -14,10 +14,8 @@
 #    under the License.
 #
 
-"""
-Utilities for testing RPC clients.
-"""
-import mock
+"""Utilities for testing RPC clients."""
+from unittest import mock
 
 from oslotest import base
 

congress/tests/cfg_validator/agent/test_agent.py

@@ -15,14 +15,13 @@
 #
 """Tests for the config validator agent."""
 
-from os import path
-
 import json
-import mock
-import six
+from os import path
+from unittest import mock
 
 from oslo_config import cfg
 from oslo_log import log as logging
+import six
 
 from congress.cfg_validator.agent import agent
 from congress.cfg_validator.agent import opts

congress/tests/cfg_validator/agent/test_generator.py

@@ -14,7 +14,7 @@
 #    under the License.
 #
 """Unit test for the marshalling of options"""
-import mock
+from unittest import mock
 
 from oslo_config import cfg
 from oslo_config import types

congress/tests/datasources/fakes.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 # Sample responses from neutron-client, after parsing
 network_response = {

congress/tests/datasources/json_ingester/test_exec_api.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources.json_ingester import exec_api
 from congress.tests import base

congress/tests/datasources/json_ingester/test_json_ingester.py

@@ -17,10 +17,9 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
+from unittest import mock
 import uuid
 
-import mock
-
 from congress.datasources import datasource_driver
 from congress.datasources.json_ingester import json_ingester
 from congress import exception

congress/tests/datasources/test_cfgvalidator_driver.py

@@ -15,7 +15,8 @@
 #
 """Test the configuration validator driver"""
 
-import mock
+from unittest import mock
+
 from oslo_config import cfg
 from oslo_config import types
 from oslo_log import log as logging

congress/tests/datasources/test_cloudfoundryv2_driver.py

@@ -18,10 +18,10 @@ from __future__ import division
 from __future__ import absolute_import
 
 import sys
+from unittest import mock
 
 # NOTE(arosen): done to avoid the fact that cloudfoundryclient
 # isn't in the openstack global requirements.
-import mock
 sys.modules['cloudfoundryclient.v2.client'] = mock.Mock()
 sys.modules['cloudfoundryclient.v2'] = mock.Mock()
 sys.modules['cloudfoundryclient'] = mock.Mock()

congress/tests/datasources/test_datasource_driver.py

@@ -19,9 +19,9 @@ from __future__ import absolute_import
 import copy
 import hashlib
 import json
+from unittest import mock
 
 import eventlet
-import mock
 from oslo_utils import uuidutils
 
 from congress import data_types

congress/tests/datasources/test_doctor_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import doctor_driver
 from congress.tests import base

congress/tests/datasources/test_glancev2_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import glancev2_driver
 from congress.tests import base

congress/tests/datasources/test_heatv1_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from heatclient.v1 import events
 from heatclient.v1 import resources

congress/tests/datasources/test_ironic_driver.py

@@ -17,11 +17,12 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
+from unittest import mock
+
 import ironicclient.v1.chassis as IrChassis
 import ironicclient.v1.driver as IrDriver
 import ironicclient.v1.node as IrNode
 import ironicclient.v1.port as IrPort
-import mock
 
 from congress.datasources import ironic_driver
 from congress.tests import base

congress/tests/datasources/test_keystone_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import keystone_driver
 from congress.tests import base

congress/tests/datasources/test_keystonev3_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import keystonev3_driver
 from congress.tests import base

congress/tests/datasources/test_mistral_driver.py

@@ -16,8 +16,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
 import sys
+from unittest import mock
 
 sys.modules['mistralclient.api.v2.client'] = mock.Mock()
 sys.modules['mistralclient.api.v2'] = mock.Mock()

congress/tests/datasources/test_monasca_driver.py

@@ -14,9 +14,9 @@
 #
 
 import copy
-import mock
 import sys
 import time
+from unittest import mock
 
 sys.modules['monascaclient.client'] = mock.Mock()
 sys.modules['monascaclient'] = mock.Mock()

congress/tests/datasources/test_murano_driver.py

@@ -16,7 +16,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 # mocking muranoclient so that python-muranoclient
 # doesn't need to be included in requirements.txt.

congress/tests/datasources/test_neutronv2_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import neutronv2_driver
 from congress.tests import base

congress/tests/datasources/test_neutronv2_qos_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import neutronv2_qos_driver
 from congress.tests import base

congress/tests/datasources/test_nova_driver.py

@@ -17,7 +17,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 import novaclient
 
 from congress.datasources import nova_driver

congress/tests/datasources/test_swift_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import swift_driver
 from congress.tests import base

congress/tests/datasources/test_tacker_driver.py

@@ -17,7 +17,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import tacker_driver
 from congress.tests import base

congress/tests/datasources/test_vCenter_driver.py

@@ -18,7 +18,7 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
 
 from congress.datasources import vCenter_driver
 from congress.tests import base

congress/tests/datasources/test_vitrage_driver.py

@@ -19,8 +19,8 @@ from __future__ import absolute_import
 
 from datetime import datetime
 from datetime import timedelta
-import mock
 import time
+from unittest import mock
 
 from congress.datasources import vitrage_driver
 from congress.tests import base

congress/tests/db/test_utils.py

@@ -17,7 +17,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 from oslo_db import exception as db_exc
 import testtools
 

congress/tests/dse2/test_data_service.py

@@ -14,8 +14,8 @@
 #
 
 import json
-import mock
 import time
+from unittest import mock
 
 from congress.dse2 import data_service
 from congress.tests import base

congress/tests/dse2/test_datasource.py

@@ -17,7 +17,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 from oslo_db import exception as db_exc
 
 from congress.db import datasources as datasource_db

congress/tests/dse2/test_dse2.py

@@ -13,9 +13,8 @@
 #    under the License.
 #
 
-import mock
-import tenacity
 import time
+from unittest import mock
 
 # Note(ekcs): this is needed for direct unit test because Dse2Runtime import,
 #             which takes place before the confFixture is setup, fails w/o it
@@ -23,6 +22,7 @@ from novaclient import client as nova_client
 from oslo_config import cfg
 cfg.CONF.datasource_sync_period = 0
 from oslo_messaging import conffixture
+import tenacity
 
 from congress.api import base as api_base
 from congress.datalog import base as datalog_base

congress/tests/dse2/test_dse_node.py

@@ -13,17 +13,16 @@
 #    under the License.
 #
 
-import eventlet
-import mock
+from unittest import mock
 
+import eventlet
 from oslo_config import cfg
 from oslo_messaging import conffixture
 
-from congress import exception
-
 from congress.dse2 import data_service
 from congress.dse2 import datasource_manager as ds_manager
 from congress.dse2 import dse_node
+from congress import exception
 from congress.tests.api import base as api_base
 from congress.tests import base
 from congress.tests import helper

congress/tests/fake_datasource.py

@@ -17,7 +17,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 from oslo_log import log as logging
 
 from congress.datasources import datasource_driver

congress/tests/policy_engines/test_agnostic.py

@@ -17,7 +17,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 from oslo_config import cfg
 from oslo_log import log as logging
 

congress/tests/policy_engines/test_agnostic_dse2.py

@@ -14,8 +14,7 @@
 #
 
 import sys
-
-import mock
+from unittest import mock
 
 from congress.api import base as api_base
 from congress.policy_engines import agnostic

congress/tests/test_congress.py

@@ -23,7 +23,8 @@ from __future__ import print_function
 from __future__ import division
 from __future__ import absolute_import
 
-import mock
+from unittest import mock
+
 import neutronclient.v2_0
 from oslo_log import log as logging
 

congress/tests/test_server.py

@@ -18,8 +18,8 @@ from __future__ import division
 from __future__ import absolute_import
 
 import socket
+from unittest import mock
 
-import mock
 from oslo_config import cfg
 import testtools
 

congress/tests/z3/test_z3theory.py

@@ -13,7 +13,8 @@
 #    under the License.
 
 """Unit tests for z3theory"""
-import mock
+from unittest import mock
+
 import six
 
 from congress import data_types

congress/tests/z3/test_z3types.py

@@ -13,7 +13,7 @@
 #    under the License.
 
 """Unit tests for z3types"""
-import mock
+from unittest import mock
 
 from congress import data_types
 from congress import exception

lower-constraints.txt

@@ -46,7 +46,6 @@ lxml==4.1.1
 Mako==1.0.7
 MarkupSafe==1.0
 mccabe==0.2.1
-mock==2.0.0
 monotonic==1.4
 mox3==0.20.0
 msgpack==0.5.6

test-requirements.txt

@@ -6,7 +6,6 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
 fixtures>=3.0.0 # Apache-2.0/BSD
-mock>=2.0.0 # BSD
 mox3>=0.20.0 # Apache-2.0
 oslotest>=3.2.0 # Apache-2.0
 requests-mock>=1.2.0 # Apache-2.0