Use unittest mock from standard library

Drop the third party mock library to use unittest mock from
standard library.

Change-Id: Ib64b661572e4869a24865c02a6c84a6603930394

ironic_python_agent/tests/unit/extensions/test_base.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 stevedore import extension
 
 from ironic_python_agent import errors

ironic_python_agent/tests/unit/extensions/test_clean.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 ironic_python_agent import errors
 from ironic_python_agent.extensions import clean

ironic_python_agent/tests/unit/extensions/test_flow.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 
 import time
+from unittest import mock
 
-import mock
 from stevedore import enabled
 from stevedore import extension
 

ironic_python_agent/tests/unit/extensions/test_image.py

@@ -16,9 +16,9 @@
 import os
 import shutil
 import tempfile
+from unittest import mock
 
 from ironic_lib import utils as ilib_utils
-import mock
 from oslo_concurrency import processutils
 
 from ironic_python_agent import errors

ironic_python_agent/tests/unit/extensions/test_iscsi.py

@@ -13,8 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from unittest import mock
+
 from ironic_lib import disk_utils
-import mock
 from oslo_concurrency import processutils
 
 from ironic_python_agent import errors

ironic_python_agent/tests/unit/extensions/test_log.py

@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
+from unittest import mock
 
 from ironic_python_agent.extensions import log
 from ironic_python_agent.tests.unit import base

ironic_python_agent/tests/unit/extensions/test_rescue.py

@@ -10,7 +10,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
+
 from oslotest import base as test_base
 
 from ironic_python_agent.extensions import rescue

ironic_python_agent/tests/unit/extensions/test_standby.py

@@ -14,9 +14,9 @@
 
 import os
 import tempfile
+from unittest import mock
 
 from ironic_lib import exception
-import mock
 from oslo_concurrency import processutils
 
 from ironic_python_agent import errors

ironic_python_agent/tests/unit/hardware_managers/test_cna.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 
 import os
+from unittest import mock
 
-import mock
 from oslo_concurrency import processutils
 from oslo_config import cfg
 

ironic_python_agent/tests/unit/hardware_managers/test_mlnx.py

@@ -13,8 +13,7 @@
 # limitations under the License.
 
 import os
-
+from unittest import mock
-import mock
 
 from ironic_python_agent import errors
 from ironic_python_agent import hardware

ironic_python_agent/tests/unit/test_agent.py

@@ -14,9 +14,9 @@
 
 import socket
 import time
+from unittest import mock
 
 from ironic_lib import exception as lib_exc
-import mock
 from oslo_concurrency import processutils
 from oslo_config import cfg
 from oslo_serialization import jsonutils

ironic_python_agent/tests/unit/test_api.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 
 import time
+from unittest import mock
 
-import mock
 from oslo_config import cfg
 from werkzeug import test as http_test
 from werkzeug import wrappers

ironic_python_agent/tests/unit/test_base.py

@@ -12,9 +12,9 @@
 # limitations under the License.
 
 import subprocess
+from unittest import mock
 
 import ironic_lib
-import mock
 from oslo_concurrency import processutils
 
 from ironic_python_agent.tests.unit import base as ironic_agent_base

ironic_python_agent/tests/unit/test_dmi_inspector.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_concurrency import processutils
 
 from ironic_python_agent import dmi_inspector

ironic_python_agent/tests/unit/test_hardware.py

@@ -15,9 +15,9 @@
 import binascii
 import os
 import time
+from unittest import mock
 
 from ironic_lib import disk_utils
-import mock
 import netifaces
 from oslo_concurrency import processutils
 from oslo_config import cfg

ironic_python_agent/tests/unit/test_inspector.py

@@ -17,8 +17,8 @@ import collections
 import copy
 import os
 import time
+from unittest import mock
 
-import mock
 from oslo_concurrency import processutils
 from oslo_config import cfg
 import requests

ironic_python_agent/tests/unit/test_ironic_api_client.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_serialization import jsonutils
 from oslo_service import loopingcall
 

ironic_python_agent/tests/unit/test_multi_hardware.py

@@ -13,8 +13,8 @@
 # limitations under the License.
 
 import collections
+from unittest import mock
 
-import mock
 from stevedore import extension
 
 from ironic_python_agent import errors

ironic_python_agent/tests/unit/test_multi_hardware_clean_steps.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 stevedore import extension
 
 from ironic_python_agent.extensions import clean

ironic_python_agent/tests/unit/test_netutils.py

@@ -14,8 +14,8 @@
 
 import binascii
 import socket
+from unittest import mock
 
-import mock
 from oslo_config import cfg
 
 from ironic_python_agent import netutils

ironic_python_agent/tests/unit/test_numa_inspector.py

@@ -14,8 +14,7 @@
 # limitations under the License.
 
 import os
-
+from unittest import mock
-import mock
 
 from ironic_python_agent import errors
 from ironic_python_agent import numa_inspector as numa_insp

ironic_python_agent/tests/unit/test_utils.py

@@ -21,9 +21,9 @@ import shutil
 import subprocess
 import tarfile
 import tempfile
+from unittest import mock
 
 from ironic_lib import utils as ironic_utils
-import mock
 from oslo_concurrency import processutils
 from oslo_serialization import base64
 import testtools

lower-constraints.txt

@@ -33,7 +33,6 @@ logutils==0.3.5
 Mako==1.0.7
 MarkupSafe==1.0
 mccabe==0.2.1
-mock==2.0.0
 monotonic==1.4
 mox3==0.25.0
 msgpack==0.5.6

test-requirements.txt

@@ -3,7 +3,6 @@
 # process, which may cause wedges in the gate later.
 hacking>=3.0.0,<3.1.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
-mock>=2.0.0 # BSD
 testtools>=2.2.0 # MIT
 oslotest>=3.2.0 # Apache-2.0
 stestr>=1.0.0 # Apache-2.0