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: I2bb5204c1ee88d0b0cd6df830dac80d37bfddcf2
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

barbican/tests/api/controllers/test_secretmeta.py

@@ -14,8 +14,8 @@
 # limitations under the License.
 
 import os
+from unittest import mock
 
-import mock
 from oslo_serialization import jsonutils as json
 from oslo_utils import uuidutils
 

barbican/tests/api/controllers/test_secrets.py

@@ -14,8 +14,8 @@
 # limitations under the License.
 import base64
 import os
+from unittest import mock
 
-import mock
 from oslo_utils import timeutils
 
 from barbican.api.controllers import secrets

barbican/tests/api/controllers/test_secretstores.py

@@ -12,7 +12,8 @@
 #  License for the specific language governing permissions and limitations
 #  under the License.
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from barbican.model import models

barbican/tests/api/middleware/test_context.py

@@ -12,7 +12,8 @@
 # implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import mock
+from unittest import mock
+
 import oslotest.base as oslotest
 
 from barbican.api.middleware import context

barbican/tests/api/middleware/test_simple.py

@@ -12,8 +12,7 @@
 # limitations under the License.
 
 import unittest
-
+from unittest import mock
-import mock
 
 from barbican.api.middleware import simple
 

barbican/tests/api/test_init.py

@@ -14,7 +14,7 @@
 """
 This test module tests the barbican.api.__init__.py module functionality.
 """
-import mock
+from unittest import mock
 
 from oslo_serialization import jsonutils as json
 

barbican/tests/api/test_resources.py

@@ -19,8 +19,8 @@ resource classes. For RBAC tests of these classes, see the
 'resources_policy_test.py' module.
 """
 import mimetypes
+from unittest import mock
 
-import mock
 import pecan
 from testtools import testcase
 import webtest

barbican/tests/api/test_resources_policy.py

@@ -18,8 +18,8 @@ For typical-flow business logic tests of these classes, see the
 'resources_test.py' module.
 """
 import os
+from unittest import mock
 
-import mock
 from webob import exc
 
 from barbican.api.controllers import consumers

barbican/tests/api/test_transport_keys_resource.py

@@ -18,7 +18,8 @@ This test module focuses on typical-flow business logic tests with the
 transport key resource classes.
 """
 
-import mock
+from unittest import mock
+
 import pecan
 from six import moves
 import webtest

barbican/tests/cmd/test_barbican_manage.py

@@ -12,8 +12,9 @@
 # implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+from unittest import mock
+
 import fixtures
-import mock
 
 from barbican.cmd import barbican_manage as manager
 from barbican.tests import utils

barbican/tests/cmd/test_cmd.py

@@ -12,8 +12,8 @@
 # implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import mock
 import sys
+from unittest import mock
 
 from barbican.cmd import retry_scheduler
 from barbican.cmd import worker

barbican/tests/cmd/test_db_cleanup.py

@@ -13,15 +13,16 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import datetime
+from unittest import mock
+
+from oslo_db import exception as db_exc
+from sqlalchemy.exc import IntegrityError
+
 from barbican.model import clean
 from barbican.model import models
 from barbican.model import repositories as repos
 from barbican.tests import database_utils as utils
-from oslo_db import exception as db_exc
-from sqlalchemy.exc import IntegrityError
-
-import datetime
-import mock
 
 
 def _create_project(project_name):

barbican/tests/common/test_utils.py

@@ -12,7 +12,8 @@
 # implied.
 # 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
 import six
 

barbican/tests/model/repositories/test_repositories.py

@@ -10,11 +10,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
-import six
-import sqlalchemy
 
 from alembic import script as alembic_script
+from oslo_config import cfg
+import six
+import sqlalchemy
 
 from barbican.common import config
 from barbican.common import exception
@@ -24,8 +25,6 @@ from barbican.model import repositories
 from barbican.tests import database_utils
 from barbican.tests import utils
 
-from oslo_config import cfg
-
 
 class WhenCleaningRepositoryPagingParameters(utils.BaseTestCase):
 

barbican/tests/plugin/crypto/test_crypto.py

@@ -14,11 +14,11 @@
 # limitations under the License.
 
 import os
+from unittest import mock
 
 from cryptography import fernet
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives import serialization
-import mock
 import six
 
 from barbican.model import models

barbican/tests/plugin/crypto/test_manager.py

@@ -11,8 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
 import threading
+from unittest import mock
 
 from barbican.common import utils as common_utils
 from barbican.plugin.crypto import base

barbican/tests/plugin/crypto/test_p11_crypto.py

@@ -13,7 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
+
 import six
 
 from barbican.common import exception as ex

barbican/tests/plugin/crypto/test_pkcs11.py

@@ -11,7 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
+
 import six
 
 from barbican.common import exception

barbican/tests/plugin/interface/test_certificate_manager.py

@@ -12,8 +12,8 @@
 # limitations under the License.
 
 import datetime
+from unittest import mock
 
-import mock
 import testtools
 
 from barbican.common import utils as common_utils

barbican/tests/plugin/interface/test_secret_store.py

@@ -13,7 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
+
 import six
 
 from barbican.common import utils as common_utils

barbican/tests/plugin/test_castellan_secret_store.py

@@ -13,9 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from unittest import mock
+
 from castellan.common import exception
 from castellan.common.objects import opaque_data
-import mock
 
 import barbican.plugin.castellan_secret_store as css
 import barbican.plugin.interface.secret_store as ss

barbican/tests/plugin/test_dogtag.py

@@ -17,12 +17,11 @@ import base64
 import datetime
 import os
 import tempfile
+from unittest import mock
 
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives.asymmetric import rsa
 from cryptography.hazmat.primitives import serialization
-
-import mock
 from requests import exceptions as request_exceptions
 import testtools
 

barbican/tests/plugin/test_kmip.py

@@ -16,19 +16,17 @@ import base64
 import ssl
 import stat
 import testtools
-
+from unittest import mock
-import mock
-
-from barbican.plugin.interface import secret_store
-from barbican.tests import keys
-from barbican.tests import utils
 
 from kmip.core import enums
 from kmip.pie import client
 from kmip.pie import objects
 
+from barbican.plugin.interface import secret_store
 from barbican.plugin import kmip_secret_store as kss
 from barbican.plugin.util import translations
+from barbican.tests import keys
+from barbican.tests import utils
 
 
 def get_sample_opaque_secret():

barbican/tests/plugin/test_resource.py

@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import base64
+from unittest import mock
 
-import mock
 import testtools
 
 from barbican.model import models

barbican/tests/plugin/test_snakeoil_ca.py

@@ -15,11 +15,11 @@
 
 import base64
 import os
+from unittest import mock
 
 from cryptography.hazmat.backends import default_backend
 from cryptography import x509
 import fixtures
-import mock
 from OpenSSL import crypto
 from oslo_config import fixture as oslo_fixture
 

barbican/tests/plugin/test_store_crypto.py

@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import base64
+from unittest import mock
 
-import mock
 import testtools
 
 from barbican.common import utils

barbican/tests/plugin/test_symantec.py

@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
 import testtools
+from unittest import mock
 
 try:
     import barbican.plugin.interface.certificate_manager as cm

barbican/tests/plugin/util/test_multiple_backends.py

@@ -14,7 +14,8 @@
 # limitations under the License.
 
 import collections
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from barbican.common import config

barbican/tests/queue/test_client.py

@@ -12,7 +12,7 @@
 # implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import mock
+from unittest import mock
 
 from barbican import queue
 from barbican.queue import client

barbican/tests/queue/test_keystone_listener.py

@@ -12,11 +12,11 @@
 # implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from oslo_utils import uuidutils
+from unittest import mock
 
-import mock
 import oslo_messaging
 from oslo_service import service
+from oslo_utils import uuidutils
 
 from barbican.common import config
 from barbican import queue

barbican/tests/queue/test_retry_scheduler.py

@@ -13,9 +13,9 @@
 
 import datetime
 import time
+from unittest import mock
 
 import eventlet
-import mock
 import oslotest.base as oslotest
 
 from barbican.model import models

barbican/tests/queue/test_server.py

@@ -13,7 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import datetime
-import mock
+from unittest import mock
+
 import six
 
 from barbican.model import models

barbican/tests/tasks/test_certificate_resources.py

@@ -15,11 +15,11 @@
 
 import base64
 import datetime
+from unittest import mock
 
 from cryptography.hazmat.backends import default_backend
 from cryptography.hazmat.primitives.asymmetric import rsa
 from cryptography.hazmat.primitives import serialization
-import mock
 from OpenSSL import crypto
 from oslo_utils import encodeutils
 

barbican/tests/tasks/test_keystone_consumer.py

@@ -13,7 +13,9 @@
 # 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
 import sqlalchemy
 
 from barbican.common import exception
@@ -24,7 +26,6 @@ from barbican.plugin.crypto import manager
 from barbican.plugin import resources as plugin
 from barbican.tasks import keystone_consumer as consumer
 from barbican.tests import database_utils
-from oslo_utils import uuidutils
 
 
 class InitializeDatabaseMixin(object):

barbican/tests/tasks/test_resources.py

@@ -13,7 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
+
 from oslo_utils import timeutils
 import six
 

barbican/tests/test_hacking.py

@@ -13,9 +13,9 @@
 #    under the License.
 
 import textwrap
+from unittest import mock
 
 import ddt
-import mock
 import pep8
 
 from barbican.hacking import checks

barbican/tests/utils.py

@@ -19,26 +19,23 @@ import os
 from os import path
 import time
 import types
+from unittest import mock
 
-import mock
+from OpenSSL import crypto
 from oslo_config import cfg
 from oslo_utils import uuidutils
 import oslotest.base as oslotest
 from oslotest import createfile
-
 import six
 from six.moves.urllib import parse
 import webtest
 
-from OpenSSL import crypto
-
 from barbican.api import app
 from barbican.common import config
 import barbican.context
 from barbican.model import repositories
 from barbican.plugin.crypto import manager as cm
 from barbican.plugin.crypto import p11_crypto
-
 from barbican.plugin.interface import secret_store
 from barbican.plugin import kmip_secret_store as kss
 from barbican.tests import database_utils

lower-constraints.txt

@@ -52,7 +52,6 @@ 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

@@ -7,7 +7,6 @@ hacking!=0.13.0,<0.14,>=0.12.0 # Apache-2.0
 
 coverage!=4.4,>=4.0 # Apache-2.0
 ddt>=1.0.1 # MIT
-mock>=2.0.0 # BSD
 oslotest>=3.2.0 # Apache-2.0
 pykmip>=0.7.0 # Apache 2.0 License
 stestr>=2.0.0 # Apache-2.0