text: # 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 oslo_messaging.rpc import dispatcher
  
  from heat.common import exception
  from heat.common import template_format
  from heat.engine import service
  from heat.engine import stack
  from heat.engine import template as templatem
  from heat.objects import stack as stack_object
  from heat.tests import common
  from heat.tests.engine import tools
  from heat.tests import utils
  
  
  class StackServiceActionsTest(common.HeatTestCase):
  
      def setUp(self):
          super(StackServiceActionsTest, self).setUp()
          self.ctx = utils.dummy_context()
          self.man = service.EngineService('a-host', 'a-topic')
          self.man.create_periodic_tasks()
  
      @mock.patch.object(stack.Stack, 'load')
      @mock.patch.object(service.ThreadGroupManager, 'start')
      def test_stack_suspend(self, mock_start, mock_load):
          stack_name = 'service_suspend_test_stack'
          t = template_format.parse(tools.wp_template)
          stk = utils.parse_stack(t, stack_name=stack_name)
          s = stack_object.Stack.get_by_id(self.ctx, stk.id)
  
          mock_load.return_value = stk
          thread = mock.MagicMock()
          mock_link = self.patchobject(thread, 'link')
          mock_start.return_value = thread
  
          result = self.man.stack_suspend(self.ctx, stk.identifier())
          self.assertIsNone(result)
          mock_load.assert_called_once_with(self.ctx, stack=s)
          mock_link.assert_called_once_with(mock.ANY)
          mock_start.assert_called_once_with(stk.id, mock.ANY, stk)
  
          stk.delete()
  
      @mock.patch.object(stack.Stack, 'load')
      @mock.patch.object(service.ThreadGroupManager, 'start')
      def test_stack_resume(self, mock_start, mock_load):
          stack_name = 'service_resume_test_stack'
          t = template_format.parse(tools.wp_template)
          stk = utils.parse_stack(t, stack_name=stack_name)
  
          mock_load.return_value = stk
          thread = mock.MagicMock()
          mock_link = self.patchobject(thread, 'link')
          mock_start.return_value = thread
  
          result = self.man.stack_resume(self.ctx, stk.identifier())
          self.assertIsNone(result)
  
          mock_load.assert_called_once_with(self.ctx, stack=mock.ANY)
          mock_link.assert_called_once_with(mock.ANY)
          mock_start.assert_called_once_with(stk.id, mock.ANY, stk)
  
          stk.delete()
  
      def test_stack_suspend_nonexist(self):
          stack_name = 'service_suspend_nonexist_test_stack'
          t = template_format.parse(tools.wp_template)
          tmpl = templatem.Template(t)
          stk = stack.Stack(self.ctx, stack_name, tmpl)
  
          ex = self.assertRaises(dispatcher.ExpectedException,
                                 self.man.stack_suspend, self.ctx,
                                 stk.identifier())
          self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
  
      def test_stack_resume_nonexist(self):
          stack_name = 'service_resume_nonexist_test_stack'
          t = template_format.parse(tools.wp_template)
          tmpl = templatem.Template(t)
          stk = stack.Stack(self.ctx, stack_name, tmpl)
  
          ex = self.assertRaises(dispatcher.ExpectedException,
                                 self.man.stack_resume, self.ctx,
                                 stk.identifier())
          self.assertEqual(exception.EntityNotFound, ex.exc_info[0])
  
      def _mock_thread_start(self, stack_id, func, *args, **kwargs):
          func(*args, **kwargs)
          return mock.Mock()
  
      @mock.patch.object(service.ThreadGroupManager, 'start')
      @mock.patch.object(stack.Stack, 'load')
      def test_stack_check(self, mock_load, mock_start):
          stack_name = 'service_check_test_stack'
          t = template_format.parse(tools.wp_template)
          stk = utils.parse_stack(t, stack_name=stack_name)
  
          stk.check = mock.Mock()
          mock_load.return_value = stk
          mock_start.side_effect = self._mock_thread_start
  
          self.man.stack_check(self.ctx, stk.identifier())
          self.assertTrue(stk.check.called)
  
          stk.delete()
  
  
  class StackServiceUpdateActionsNotSupportedTest(common.HeatTestCase):
  
      scenarios = [
          ('suspend_in_progress', dict(action='SUSPEND', status='IN_PROGRESS')),
          ('suspend_complete', dict(action='SUSPEND', status='COMPLETE')),
          ('suspend_failed', dict(action='SUSPEND', status='FAILED')),
          ('delete_in_progress', dict(action='DELETE', status='IN_PROGRESS')),
          ('delete_complete', dict(action='DELETE', status='COMPLETE')),
          ('delete_failed', dict(action='DELETE', status='FAILED')),
      ]
  
      def setUp(self):
          super(StackServiceUpdateActionsNotSupportedTest, self).setUp()
          self.ctx = utils.dummy_context()
          self.man = service.EngineService('a-host', 'a-topic')
  
      @mock.patch.object(stack.Stack, 'load')
      def test_stack_update_actions_not_supported(self, mock_load):
          stack_name = '%s-%s' % (self.action, self.status)
          t = template_format.parse(tools.wp_template)
          old_stack = utils.parse_stack(t, stack_name=stack_name)
  
          old_stack.action = self.action
          old_stack.status = self.status
  
          sid = old_stack.store()
          s = stack_object.Stack.get_by_id(self.ctx, sid)
  
          mock_load.return_value = old_stack
  
          params = {'foo': 'bar'}
          template = '{ "Resources": {} }'
          ex = self.assertRaises(dispatcher.ExpectedException,
                                 self.man.update_stack,
                                 self.ctx, old_stack.identifier(), template,
                                 params, None, {})
          self.assertEqual(exception.NotSupported, ex.exc_info[0])
          mock_load.assert_called_once_with(self.ctx, stack=s)
  
          old_stack.delete()
  