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 copy
  from unittest import mock
  
  from openstack.clustering.v1._proxy import Proxy
  from openstack import exceptions
  from oslo_config import cfg
  
  from heat.common import exception
  from heat.common import template_format
  from heat.engine.clients.os import senlin
  from heat.engine.resources.openstack.senlin import policy
  from heat.engine import scheduler
  from heat.engine import template
  from heat.tests import common
  from heat.tests import utils
  
  
  policy_stack_template = """
  heat_template_version: 2016-04-08
  description: Senlin Policy Template
  resources:
    senlin-policy:
      type: OS::Senlin::Policy
      properties:
        name: SenlinPolicy
        type: senlin.policy.deletion-1.0
        properties:
          criteria: OLDEST_FIRST
        bindings:
          - cluster: c1
  """
  
  policy_spec = {
      'type': 'senlin.policy.deletion',
      'version': '1.0',
      'properties': {
          'criteria': 'OLDEST_FIRST'
      }
  }
  
  
  class FakePolicy(object):
      def __init__(self, id='some_id', spec=None):
          self.id = id
          self.name = "SenlinPolicy"
  
      def to_dict(self):
          return {
              'id': self.id,
              'name': self.name,
          }
  
  
  class SenlinPolicyTest(common.HeatTestCase):
      def setUp(self):
          super(SenlinPolicyTest, self).setUp()
          self.patchobject(senlin.ClusterConstraint, 'validate',
                           return_value=True)
          self.patchobject(senlin.PolicyTypeConstraint, 'validate',
                           return_value=True)
          self.senlin_mock = mock.MagicMock(spec=Proxy)
          self.senlin_mock.get_cluster.return_value = mock.Mock(
              id='c1_id')
          self.patchobject(policy.Policy, 'client',
                           return_value=self.senlin_mock)
          self.patchobject(senlin.SenlinClientPlugin, 'client',
                           return_value=self.senlin_mock)
          self.fake_p = FakePolicy()
          self.t = template_format.parse(policy_stack_template)
  
      def _init_policy(self, template):
          self.stack = utils.parse_stack(template)
          policy = self.stack['senlin-policy']
          return policy
  
      def _create_policy(self, template):
          policy = self._init_policy(template)
          self.senlin_mock.create_policy.return_value = self.fake_p
          self.senlin_mock.attach_policy_to_cluster.return_value = {
              'action': 'fake_action'}
          self.senlin_mock.get_action.return_value = mock.Mock(
              status='SUCCEEDED')
          scheduler.TaskRunner(policy.create)()
          self.assertEqual((policy.CREATE, policy.COMPLETE),
                           policy.state)
          self.assertEqual(self.fake_p.id, policy.resource_id)
          self.senlin_mock.attach_policy_to_cluster.assert_called_once_with(
              'c1_id', policy.resource_id, enabled=True)
          self.senlin_mock.get_action.assert_called_once_with('fake_action')
          return policy
  
      def test_policy_create(self):
          self._create_policy(self.t)
          expect_kwargs = {
              'name': 'SenlinPolicy',
              'spec': policy_spec
          }
          self.senlin_mock.create_policy.assert_called_once_with(
              **expect_kwargs)
  
      def test_policy_create_fail(self):
          cfg.CONF.set_override('action_retry_limit', 0)
          policy = self._init_policy(self.t)
          self.senlin_mock.create_policy.return_value = self.fake_p
          self.senlin_mock.attach_policy_to_cluster.return_value = {
              'action': 'fake_action'}
          self.senlin_mock.get_action.return_value = mock.Mock(
              status='FAILED', status_reason='oops',
              action='CLUSTER_ATTACH_POLICY')
          create_task = scheduler.TaskRunner(policy.create)
          self.assertRaises(exception.ResourceFailure, create_task)
          self.assertEqual((policy.CREATE, policy.FAILED),
                           policy.state)
          err_msg = ('ResourceInError: resources.senlin-policy: Went to status '
                     'FAILED due to "Failed to execute CLUSTER_ATTACH_POLICY '
                     'for c1_id: oops"')
          self.assertEqual(err_msg, policy.status_reason)
  
      def test_policy_delete_not_found(self):
          self.senlin_mock.detach_policy_from_cluster.return_value = {
              'action': 'fake_action'}
          policy = self._create_policy(self.t)
          self.senlin_mock.get_policy.side_effect = [
              exceptions.ResourceNotFound('SenlinPolicy'),
          ]
          scheduler.TaskRunner(policy.delete)()
          self.senlin_mock.detach_policy_from_cluster.assert_called_once_with(
              'c1_id', policy.resource_id)
          self.senlin_mock.delete_policy.assert_called_once_with(
              policy.resource_id)
  
      def test_policy_delete_not_attached(self):
          policy = self._create_policy(self.t)
          self.senlin_mock.get_policy.side_effect = [
              exceptions.ResourceNotFound('SenlinPolicy'),
          ]
          self.senlin_mock.detach_policy_from_cluster.side_effect = [
              exceptions.HttpException(http_status=400),
          ]
          scheduler.TaskRunner(policy.delete)()
          self.senlin_mock.detach_policy_from_cluster.assert_called_once_with(
              'c1_id', policy.resource_id)
          self.senlin_mock.delete_policy.assert_called_once_with(
              policy.resource_id)
  
      def test_policy_update(self):
          policy = self._create_policy(self.t)
          # Mock translate rules
          self.senlin_mock.get_cluster.side_effect = [
              mock.Mock(id='c2_id'),
              mock.Mock(id='c1_id'),
              mock.Mock(id='c2_id'),
          ]
          new_t = copy.deepcopy(self.t)
          props = new_t['resources']['senlin-policy']['properties']
          props['bindings'] = [{'cluster': 'c2'}]
          props['name'] = 'new_name'
          rsrc_defns = template.Template(new_t).resource_definitions(self.stack)
          new_cluster = rsrc_defns['senlin-policy']
          self.senlin_mock.attach_policy_to_cluster.return_value = {
              'action': 'fake_action1'}
          self.senlin_mock.detach_policy_from_cluster.return_value = {
              'action': 'fake_action2'}
          self.senlin_mock.get_policy.return_value = self.fake_p
          scheduler.TaskRunner(policy.update, new_cluster)()
          self.assertEqual((policy.UPDATE, policy.COMPLETE), policy.state)
          self.senlin_mock.update_policy.assert_called_once_with(
              self.fake_p, name='new_name')
          self.senlin_mock.detach_policy_from_cluster.assert_called_once_with(
              'c1_id', policy.resource_id)
          self.senlin_mock.attach_policy_to_cluster.assert_called_with(
              'c2_id', policy.resource_id, enabled=True)
  
      def test_policy_resolve_attribute(self):
          excepted_show = {
              'id': 'some_id',
              'name': 'SenlinPolicy',
          }
          policy = self._create_policy(self.t)
          self.senlin_mock.get_policy.return_value = FakePolicy()
          self.assertEqual(excepted_show, policy._show_resource())
  