text: # (c) Copyright 2015 Industrial Technology Research Institute.
  #
  #    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.
  
  """Test case for the delete volume function."""
  
  import mock
  
  from jacket.storage import exception
  from jacket.tests.storage.unit.volume.drivers import disco
  
  
  class DeleteVolumeTestCase(disco.TestDISCODriver):
      """Test cases to delete DISCO volumes."""
  
      def setUp(self):
          """Initialise variables and mock functions."""
          super(DeleteVolumeTestCase, self).setUp()
  
          # Mock volumeDelete function from suds client.
          mock.patch.object(self.requester,
                            'volumeDelete',
                            self.perform_disco_request).start()
  
          self.response = self.FAKE_SOAP_RESPONSE['standard']['success']
  
      def perform_disco_request(self, *cmd, **kwargs):
          """Mock function to delete a volume."""
          return self.response
  
      def test_delete_volume(self):
          """Delete a volume."""
          self.driver.delete_volume(self.volume)
  
      def test_delete_volume_fail(self):
          """Make the API returns an error while deleting."""
          self.response = self.FAKE_SOAP_RESPONSE['standard']['fail']
          self.assertRaises(exception.VolumeBackendAPIException,
                            self.test_delete_volume)
  