old_contents: #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  import mock
  import os
  import unittest
  
  from manila_ui import api
  from manila_ui.tests.test_data import utils
  from openstack_dashboard.test import helpers
  
  
  def create_stubs(stubs_to_create={}):
      return helpers.create_stubs(stubs_to_create)
  
  
  class ManilaTestsMixin(object):
      def _setup_test_data(self):
          super(ManilaTestsMixin, self)._setup_test_data()
          utils.load_test_data(self)
  
      def mock_object(self, obj, attr_name, new_attr=None, **kwargs):
          """Use python mock to mock an object attribute
          Mocks the specified objects attribute with the given value.
          Automatically performs 'addCleanup' for the mock.
          """
          if not new_attr:
              new_attr = mock.Mock()
          patcher = mock.patch.object(obj, attr_name, new_attr, **kwargs)
          patcher.start()
          # NOTE(vponomaryov): 'self.addCleanup(patcher.stop)' is not called
          # here, because it is inherited from Horizon project's test class.
          return new_attr
  
  
  @unittest.skipIf(os.environ.get('SKIP_UNITTESTS', False),
                   "The SKIP_UNITTESTS env variable is set.")
  class TestCase(ManilaTestsMixin, helpers.TestCase):
      pass
  
  
  class BaseAdminViewTests(ManilaTestsMixin, helpers.BaseAdminViewTests):
      pass
  
  
  class APITestCase(ManilaTestsMixin, helpers.APITestCase):
  
      def setUp(self):
          super(APITestCase, self).setUp()
          self._manilaclient = self.mock_object(api.manila, "manilaclient")
          self.manilaclient = self._manilaclient.return_value
  
  
  class FakeEntity(object):
      def __init__(self, id, name):
          self.id = id
          self.name = name
  
new_contents: #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  import mock
  import os
  import unittest
  
  from manila_ui import api
  from manila_ui.tests.test_data import utils
  from openstack_dashboard.test import helpers
  
  
  class ManilaTestsMixin(object):
      def _setup_test_data(self):
          super(ManilaTestsMixin, self)._setup_test_data()
          utils.load_test_data(self)
  
      def mock_object(self, obj, attr_name, new_attr=None, **kwargs):
          """Use python mock to mock an object attribute
          Mocks the specified objects attribute with the given value.
          Automatically performs 'addCleanup' for the mock.
          """
          if not new_attr:
              new_attr = mock.Mock()
          patcher = mock.patch.object(obj, attr_name, new_attr, **kwargs)
          patcher.start()
          # NOTE(vponomaryov): 'self.addCleanup(patcher.stop)' is not called
          # here, because it is inherited from Horizon project's test class.
          return new_attr
  
  
  @unittest.skipIf(os.environ.get('SKIP_UNITTESTS', False),
                   "The SKIP_UNITTESTS env variable is set.")
  class TestCase(ManilaTestsMixin, helpers.TestCase):
      pass
  
  
  class BaseAdminViewTests(ManilaTestsMixin, helpers.BaseAdminViewTests):
      pass
  
  
  class APITestCase(ManilaTestsMixin, helpers.APITestCase):
  
      def setUp(self):
          super(APITestCase, self).setUp()
          self._manilaclient = self.mock_object(api.manila, "manilaclient")
          self.manilaclient = self._manilaclient.return_value
  
  
  class FakeEntity(object):
      def __init__(self, id, name):
          self.id = id
          self.name = name
  
subject: Remove dead code