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 json
  import os
  
  import fixtures
  
  from tests import common
  
  
  class HookCfnInitTest(common.RunScriptTest):
  
      data = {
          'group': 'cfn-init',
          'inputs': [],
          'config': {'foo': 'bar'}
      }
  
      def setUp(self):
          super(HookCfnInitTest, self).setUp()
          self.hook_path = self.relative_path(
              __file__,
              '..',
              'heat-config-cfn-init/install.d/hook-cfn-init.py')
  
          self.fake_tool_path = self.relative_path(
              __file__,
              'config-tool-fake.py')
  
          self.metadata_dir = self.useFixture(fixtures.TempDir())
          # use the temp dir to store the fake config tool state too
          self.test_state_path = self.metadata_dir.join('test_state.json')
          self.env = os.environ.copy()
          self.env.update({
              'HEAT_CFN_INIT_LAST_METADATA_DIR': self.metadata_dir.join(),
              'HEAT_CFN_INIT_CMD': self.fake_tool_path,
              'TEST_STATE_PATH': self.test_state_path,
          })
  
      def test_hook(self):
  
          self.env.update({
              'TEST_RESPONSE': json.dumps({
                  'stdout': 'cfn-init success',
                  'stderr': 'thing happened'
              }),
          })
          returncode, stdout, stderr = self.run_cmd(
              [self.hook_path], self.env, json.dumps(self.data))
  
          self.assertEqual(0, returncode, stderr)
          self.assertEqual({
              'deploy_stdout': 'cfn-init success',
              'deploy_stderr': 'thing happened',
              'deploy_status_code': 0
          }, json.loads(stdout.decode('utf-8')))
  
          # assert last_metadata was written with cfn-init metadata
          self.assertEqual(
              {'AWS::CloudFormation::Init': {'foo': 'bar'}},
              self.json_from_file(self.metadata_dir.join('last_metadata')))
  
          # assert cfn-init was called with no args
          self.assertEqual(
              [self.fake_tool_path],
              self.json_from_file(self.test_state_path)['args'])
  
      def test_hook_cfn_init_failed(self):
  
          self.env.update({
              'TEST_RESPONSE': json.dumps({
                  'stderr': 'bad thing happened',
                  'returncode': 1
              }),
          })
          returncode, stdout, stderr = self.run_cmd(
              [self.hook_path], self.env, json.dumps(self.data))
  
          self.assertEqual(0, returncode, stderr)
          self.assertEqual({
              'deploy_stdout': '',
              'deploy_stderr': 'bad thing happened',
              'deploy_status_code': 1
          }, json.loads(stdout.decode('utf-8')))
  
          self.assertEqual(
              {'AWS::CloudFormation::Init': {'foo': 'bar'}},
              self.json_from_file(self.metadata_dir.join('last_metadata')))
  
          # assert cfn-init was called with no args
          self.assertEqual(
              [self.fake_tool_path],
              self.json_from_file(self.test_state_path)['args'])
  
      def test_hook_invalid_json(self):
  
          returncode, stdout, stderr = self.run_cmd(
              [self.hook_path], self.env, "{::::")
  
          self.assertEqual(1, returncode, stderr)
  