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: Ia8e87cd6a25621a97c876de5422d0c9d0c8dd751
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

cloudkitty/tests/__init__.py

@@ -14,9 +14,9 @@
 #    under the License.
 #
 import decimal
+from unittest import mock
 
 from keystoneauth1 import session as ks_sess
-import mock
 from oslo_config import fixture as config_fixture
 from oslotest import base
 import testscenarios

cloudkitty/tests/api/v2/dataframes/test_dataframes.py

@@ -13,8 +13,7 @@
 #    under the License.
 #
 import unittest
-
+from unittest import mock
-import mock
 
 from cloudkitty.api.v2.dataframes import dataframes
 from cloudkitty.utils import tz as tzutils

cloudkitty/tests/api/v2/summary/test_summary.py

@@ -13,8 +13,7 @@
 #    under the License.
 #
 import unittest
-
+from unittest import mock
-import mock
 
 from cloudkitty.api.v2.summary import summary
 from cloudkitty.utils import tz as tzutils

cloudkitty/tests/api/v2/test_utils.py

@@ -12,8 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
+from unittest import mock
+
 import flask
-import mock
 import voluptuous
 from werkzeug.datastructures import MultiDict
 from werkzeug.exceptions import BadRequest

cloudkitty/tests/collectors/test_gnocchi.py

@@ -14,9 +14,9 @@
 #    under the License.
 #
 import datetime
+from unittest import mock
 
 from dateutil import tz
-import mock
 
 from cloudkitty.collector import gnocchi
 from cloudkitty import tests

cloudkitty/tests/collectors/test_monasca.py

@@ -13,8 +13,7 @@
 #    under the License.
 #
 import datetime
-
+from unittest import mock
-import mock
 
 from cloudkitty.collector import monasca as mon_collector
 from cloudkitty import tests

cloudkitty/tests/collectors/test_prometheus.py

@@ -14,8 +14,7 @@
 #    under the License.
 #
 from decimal import Decimal
-
+from unittest import mock
-import mock
 
 from cloudkitty import collector
 from cloudkitty.collector import exceptions

cloudkitty/tests/common/test_prometheus_client.py

@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
-import mock
+from unittest import mock
 
 from cloudkitty.collector import prometheus
 from cloudkitty import tests

cloudkitty/tests/fetchers/test_prometheus.py

@@ -14,7 +14,7 @@
 #    under the License.
 #
 #
-import mock
+from unittest import mock
 
 from cloudkitty.common.prometheus_client import PrometheusClient
 from cloudkitty.common.prometheus_client import PrometheusResponseError

cloudkitty/tests/gabbi/fixtures.py

@@ -18,10 +18,10 @@ import collections
 import datetime
 import decimal
 import os
+from unittest import mock
 
 from dateutil import tz
 from gabbi import fixture
-import mock
 from oslo_config import cfg
 from oslo_config import fixture as conf_fixture
 from oslo_db.sqlalchemy import utils

cloudkitty/tests/storage/v1/test_hybrid_storage.py

@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
-import mock
+from unittest import mock
 
 from gnocchiclient import exceptions as gexc
 

cloudkitty/tests/storage/v1/test_storage.py

@@ -15,8 +15,8 @@
 #
 import copy
 import datetime
+from unittest import mock
 
-import mock
 import testscenarios
 
 from cloudkitty import storage

cloudkitty/tests/storage/v2/elasticsearch/test_client.py

@@ -15,9 +15,9 @@
 import collections
 import datetime
 import unittest
+from unittest import mock
 
 from dateutil import tz
-import mock
 
 from cloudkitty import dataframe
 from cloudkitty.storage.v2.elasticsearch import client

cloudkitty/tests/storage/v2/test_influxdb.py

@@ -17,9 +17,9 @@ import copy
 from datetime import datetime
 from datetime import timedelta
 import unittest
+from unittest import mock
 
 from dateutil import tz
-import mock
 
 from cloudkitty import dataframe
 from cloudkitty.storage.v2 import influx

cloudkitty/tests/storage/v2/test_storage_unit.py

@@ -13,8 +13,8 @@
 #    under the License.
 #
 import datetime
+from unittest import mock
 
-import mock
 import testscenarios
 
 from cloudkitty import storage

cloudkitty/tests/test_hacking.py

@@ -14,9 +14,9 @@
 
 import sys
 import textwrap
+from unittest import mock
 
 import ddt
-import mock
 import pep8
 
 from cloudkitty.hacking import checks

cloudkitty/tests/test_hashmap.py

@@ -16,8 +16,8 @@
 import copy
 import datetime
 import decimal
+from unittest import mock
 
-import mock
 from oslo_utils import uuidutils
 
 from cloudkitty import dataframe

cloudkitty/tests/test_keystone_fetcher.py

@@ -14,8 +14,8 @@
 #    under the License.
 #
 import unittest
+from unittest import mock
 
-import mock
 from oslo_utils import uuidutils
 
 from cloudkitty.fetcher import keystone

cloudkitty/tests/test_orchestrator.py

@@ -14,8 +14,8 @@
 #    under the License.
 #
 import datetime
+from unittest import mock
 
-import mock
 from oslo_messaging import conffixture
 from stevedore import extension
 from tooz import coordination

cloudkitty/tests/test_pyscripts.py

@@ -16,9 +16,9 @@
 import copy
 import decimal
 import hashlib
+from unittest import mock
 import zlib
 
-import mock
 from oslo_utils import uuidutils
 import six
 

cloudkitty/tests/test_rating.py

@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
-import mock
+from unittest import mock
 
 from cloudkitty.db import api as ck_db_api
 from cloudkitty import tests

cloudkitty/tests/test_storage_state.py

@@ -12,14 +12,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 #
-try:
+from collections import abc
-    from collections.abc import Iterable
-except ImportError:
-    from collections import Iterable
 from datetime import datetime
 import itertools
-
+from unittest import mock
-import mock
 
 from cloudkitty import storage_state
 from cloudkitty import tests
@@ -37,7 +33,7 @@ class StateManagerTest(tests.TestCase):
         def __init__(self, output, *args, **kwargs):
             super(StateManagerTest.QueryMock, self).__init__(*args, **kwargs)
             self.first_called = 0
-            if not isinstance(output, Iterable):
+            if not isinstance(output, abc.Iterable):
                 output = (output, )
             self.output = itertools.cycle(output)
 

cloudkitty/tests/utils_tests/test_tz.py

@@ -14,9 +14,9 @@
 #
 import datetime
 import unittest
+from unittest import mock
 
 from dateutil import tz
-import mock
 from oslo_utils import timeutils
 
 from cloudkitty import utils

cloudkitty/tests/utils_tests/test_utils.py

@@ -18,8 +18,8 @@ import decimal
 import fractions
 import itertools
 import unittest
+from unittest import mock
 
-import mock
 from oslo_utils import timeutils
 
 from cloudkitty import utils as ck_utils

lower-constraints.txt

@@ -39,7 +39,6 @@ ddt==1.0.1 # MIT
 gabbi==1.26.1 # Apache-2.0
 testscenarios==0.4 # Apache-2.0/BSD
 stestr==2.0.0 # Apache-2.0
-mock==1.2 # BSD
 sphinx==1.8.0 # BSD
 openstackdocstheme==1.30.0 # Apache-2.0
 oslotest==1.10.0 # Apache-2.0

test-requirements.txt

@@ -11,7 +11,6 @@ ddt>=1.0.1 # MIT
 gabbi>=1.26.1 # Apache-2.0
 testscenarios>=0.4 # Apache-2.0/BSD
 stestr>=2.0.0 # Apache-2.0
-mock>=1.2 # BSD
 sphinx>=1.8.0,!=2.1.0 # BSD
 openstackdocstheme>=1.30.0 # Apache-2.0
 oslotest>=1.10.0 # Apache-2.0