Use unittest.mock instead of third party mock

Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: I0425e8d85decf9106a533639bba1f5a4a7dc5b21
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

qinling/tests/unit/api/base.py

@@ -14,8 +14,8 @@
 
 import shutil
 import tempfile
+from unittest import mock
 
-import mock
 from oslo_config import cfg
 import pecan
 import pecan.testing

qinling/tests/unit/api/controllers/v1/test_execution.py

@@ -12,7 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-import mock
+from unittest import mock
 
 from qinling.db import api as db_api
 from qinling import exceptions as exc

qinling/tests/unit/api/controllers/v1/test_function.py

@@ -15,9 +15,9 @@
 from datetime import datetime
 import json
 import tempfile
+from unittest import mock
 import uuid
 
-import mock
 from oslo_config import cfg
 
 from qinling.db import api as db_api

qinling/tests/unit/api/controllers/v1/test_function_version.py

@@ -15,8 +15,8 @@
 from datetime import datetime
 from datetime import timedelta
 import json
+from unittest import mock
 
-import mock
 
 from qinling import context
 from qinling.db import api as db_api

qinling/tests/unit/api/controllers/v1/test_function_worker.py

@@ -12,7 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-import mock
+from unittest import mock
 
 from oslo_utils import uuidutils
 from qinling.tests.unit.api import base

qinling/tests/unit/api/controllers/v1/test_runtime.py

@@ -12,7 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-import mock
+from unittest import mock
 
 from qinling.db import api as db_api
 from qinling import status

qinling/tests/unit/api/controllers/v1/test_webhook.py

@@ -12,7 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 import json
-import mock
+from unittest import mock
 
 from qinling import context
 from qinling.db import api as db_api

qinling/tests/unit/engine/test_default_engine.py

@@ -12,7 +12,8 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-import mock
+from unittest import mock
+
 from oslo_config import cfg
 
 from qinling.db import api as db_api

qinling/tests/unit/orchestrator/kubernetes/test_manager.py

@@ -14,9 +14,9 @@
 
 import datetime
 import testtools
+from unittest import mock
 import yaml
 
-import mock
 from oslo_config import cfg
 
 from qinling import config

qinling/tests/unit/services/test_periodics.py

@@ -14,8 +14,8 @@
 from datetime import datetime
 from datetime import timedelta
 import time
+from unittest import mock
 
-import mock
 from oslo_config import cfg
 
 from qinling import context

qinling/tests/unit/storage/test_file_system.py

@@ -12,8 +12,8 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-import mock
 import os
+from unittest import mock
 
 from oslo_config import cfg
 

qinling/tests/unit/utils/openstack/test_swift.py

@@ -12,7 +12,7 @@
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 
-import mock
+from unittest import mock
 
 from swiftclient.exceptions import ClientException