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 copy
  import time
  
  from heat_integrationtests.common import test
  from heat_integrationtests.functional import functional_base
  
  _test_template = {
      'heat_template_version': 'pike',
      'description': 'Test template to create two resources.',
      'resources': {
          'test1': {
              'type': 'OS::Heat::TestResource',
              'properties': {
                  'value': 'Test1',
                  'fail': False,
                  'update_replace': False,
                  'wait_secs': 0,
              }
          },
          'test2': {
              'type': 'OS::Heat::TestResource',
              'properties': {
                  'value': 'Test1',
                  'fail': False,
                  'update_replace': False,
                  'wait_secs': 0,
                  'action_wait_secs': {
                      'create': 30,
                  }
              },
              'depends_on': ['test1']
          }
      }
  }
  
  
  def get_templates(fail=False, delay_s=None):
      before = copy.deepcopy(_test_template)
  
      after = copy.deepcopy(before)
      for r in after['resources'].values():
          r['properties']['value'] = 'Test2'
  
      before_props = before['resources']['test2']['properties']
      before_props['fail'] = fail
      if delay_s is not None:
          before_props['action_wait_secs']['create'] = delay_s
  
      return before, after
  
  
  class SimultaneousUpdateStackTest(functional_base.FunctionalTestsBase):
  
      @test.requires_convergence
      def test_retrigger_success(self):
          before, after = get_templates()
          stack_id = self.stack_create(template=before,
                                       expected_status='CREATE_IN_PROGRESS')
          time.sleep(10)
  
          self.update_stack(stack_id, after)
  
      @test.requires_convergence
      def test_retrigger_failure(self):
          before, after = get_templates(fail=True)
          stack_id = self.stack_create(template=before,
                                       expected_status='CREATE_IN_PROGRESS')
          time.sleep(10)
  
          self.update_stack(stack_id, after)
  
subject: Add integration tests for simultaneous updates