new_contents: # Copyright 2016 - Fujitsu, Ltd.
  #
  #    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
  
  from magnum.cmd import conductor
  from magnum.tests import base
  
  
  class TestMagnumConductor(base.TestCase):
  
      @mock.patch('oslo_service.service.launch')
      @mock.patch.object(conductor, 'rpc_service')
      @mock.patch('magnum.common.service.prepare_service')
      def test_conductor(self, mock_prep, mock_rpc, mock_launch):
          conductor.main()
  
          server = mock_rpc.Service.create.return_value
          launcher = mock_launch.return_value
          mock_prep.assert_called_once_with(mock.ANY)
          mock_rpc.Service.create.assert_called_once_with(
              base.CONF.conductor.topic,
              mock.ANY, mock.ANY, binary='magnum-conductor')
          mock_launch.assert_called_once_with(base.CONF, server)
          launcher.wait.assert_called_once_with()
  
subject: Improve unit test coverage for cmd/conductor.py