text: # Copyright (c) 2016 Chuck Fouts.  All rights reserved.
  #
  #    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.
  
  from unittest import mock
  
  from oslo_service import loopingcall
  
  from cinder import test
  from cinder.volume.drivers.netapp.dataontap.utils import loopingcalls
  
  
  class LoopingCallsTestCase(test.TestCase):
  
      def setUp(self):
          super(LoopingCallsTestCase, self).setUp()
          self.mock_first_looping_task = mock.Mock()
          self.mock_second_looping_task = mock.Mock()
  
          self.mock_loopingcall = self.mock_object(
              loopingcall,
              'FixedIntervalLoopingCall',
              side_effect=[self.mock_first_looping_task,
                           self.mock_second_looping_task]
          )
          self.loopingcalls = loopingcalls.LoopingCalls()
  
      def test_add_task(self):
          interval = 3600
          initial_delay = 5
  
          self.loopingcalls.add_task(self.mock_first_looping_task, interval)
          self.loopingcalls.add_task(
              self.mock_second_looping_task, interval, initial_delay)
  
          self.assertEqual(2, len(self.loopingcalls.tasks))
          self.assertEqual(interval, self.loopingcalls.tasks[0].interval)
          self.assertEqual(initial_delay,
                           self.loopingcalls.tasks[1].initial_delay)
  
      def test_start_tasks(self):
          interval = 3600
          initial_delay = 5
  
          self.loopingcalls.add_task(self.mock_first_looping_task, interval)
          self.loopingcalls.add_task(
              self.mock_second_looping_task, interval, initial_delay)
  
          self.loopingcalls.start_tasks()
  
          self.mock_first_looping_task.start.assert_called_once_with(
              interval, 0)
          self.mock_second_looping_task.start.assert_called_once_with(
              interval, initial_delay)
  