text: # Copyright (c) 2016 HuaWei, Inc.
  #
  # 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 tempest import config
  from tempest.lib.common.utils import data_utils
  from tempest.lib import decorators
  
  from zaqar_tempest_plugin.tests import base
  
  CONF = config.CONF
  
  
  class TestQueues(base.BaseV2MessagingTest):
  
      @decorators.idempotent_id('f2db96f3-fa02-426a-9b42-5806e12f14d4')
      def test_create_delete_queue(self):
          # Create & Delete Queue
          queue_name = data_utils.rand_name('test')
          _, body = self.create_queue(queue_name)
  
          self.addCleanup(self.client.delete_queue, queue_name)
          # NOTE(gmann): create_queue returns response status code as 201
          # so specifically checking the expected empty response body as
          # this is not going to be checked in response_checker().
          self.assertEqual(b'', body)
  
          self.delete_queue(queue_name)
          # lazy queue
          self.client.show_queue(queue_name)
  
  
  class TestManageQueue(base.BaseV2MessagingTest):
  
      @classmethod
      def resource_setup(cls):
          super(TestManageQueue, cls).resource_setup()
          cls.queues = list()
          for _ in range(5):
              queue_name = data_utils.rand_name('Queues-Test')
              cls.queues.append(queue_name)
              # Create Queue
              cls.client.create_queue(queue_name)
  
      def _post_messages(self, repeat=CONF.messaging.max_messages_per_page,
                         queue_name=None):
          message_body = self.generate_message_body(repeat=repeat)
          resp, body = self.post_messages(queue_name=queue_name,
                                          rbody=message_body)
          return resp, body
  
      def _create_subscriptions(self, queue_name):
          bodys = self.generate_subscription_body()
          results = []
          for body in bodys:
              resp, body = self.create_subscription(queue_name=queue_name,
                                                    rbody=body)
              results.append((resp, body))
          return results
  
      @decorators.idempotent_id('8f1fec00-54fc-48b9-aa67-c10a824b768d')
      def test_list_queues(self):
          # Listing queues
          _, body = self.list_queues()
          self.assertEqual(len(body['queues']), len(self.queues))
          for item in body['queues']:
              self.assertIn(item['name'], self.queues)
  
      @decorators.idempotent_id('9a2e9a09-5cbd-416f-a75f-fe827462aa9a')
      def test_list_queues_with_count(self):
          # Listing queues with count
          _, body = self.client.list_queues(url_params={"with_count": True})
          self.assertEqual(len(body['queues']), len(self.queues))
          for item in body['queues']:
              self.assertIn(item['name'], self.queues)
  
      @decorators.idempotent_id('e96466e7-d43f-48f9-bfe8-59e3d40f6868')
      def test_get_queue_stats(self):
          # Retrieve random queue
          queue_name = self.queues[data_utils.rand_int_id(0,
                                                          len(self.queues) - 1)]
          # Get Queue Stats for a newly created Queue
          _, body = self.get_queue_stats(queue_name)
          msgs = body['messages']
          for element in ('free', 'claimed', 'total'):
              self.assertEqual(0, msgs[element])
          for element in ('oldest', 'newest'):
              self.assertNotIn(element, msgs)
  
      @decorators.idempotent_id('dfb1e0b0-b481-4e2a-91ae-2c28b65e9c28')
      def test_set_and_get_queue_metadata(self):
          QueueName = "QueueWithMeta"
          self.client.create_queue(QueueName)
          _, body = self.get_queue_metadata(QueueName)
          self.assertEqual(262144, body['_max_messages_post_size'])
          self.assertEqual(3600, body['_default_message_ttl'])
          self.assertEqual(0, body.get('_default_message_delay', 0))
          # Create metadata
          op1 = {"op": "add",
                 "path": "/metadata/_max_claim_count", "value": 2}
          op2 = {"op": "add",
                 "path": "/metadata/_dead_letter_queue_messages_ttl",
                 "value": 7799}
          metadata = [op1, op2]
          # Set Queue Metadata
          self.set_queue_metadata(QueueName, metadata)
          # Get Queue Metadata
          _, body = self.get_queue_metadata(QueueName)
          self.assertEqual(262144, body['_max_messages_post_size'])
          self.assertEqual(7799, body['_dead_letter_queue_messages_ttl'])
          self.assertEqual(2, body['_max_claim_count'])
          self.assertEqual(3600, body['_default_message_ttl'])
          self.assertEqual(0, body.get('_default_message_delay', 0))
          self.client.delete_queue(QueueName)
  
      @decorators.idempotent_id('2fb6e5a8-c18f-4407-9ee7-7a13c8e09f69')
      def test_purge_queue(self):
          queue_name = self.queues[0]
          # The queue contains no messages and subscriptions by default.
          resp, body = self.list_messages(queue_name=queue_name)
          self.assertEqual([], body['messages'])
          resp, body = self.list_subscription(queue_name)
          self.assertEqual([], body['subscriptions'])
          # Post some messages and create some subscriptions for the queue.
          self._post_messages(queue_name=queue_name)
          self._create_subscriptions(queue_name=queue_name)
          # The queue contains messages and subscriptions now.
          resp, body = self.list_messages(queue_name=queue_name)
          self.assertIsNotNone(len(body['messages']))
          resp, body = self.list_subscription(queue_name)
          self.assertIsNotNone(len(body['subscriptions']))
          # Purge the queue
          resp, body = self.purge_queue(queue_name)
          self.assertEqual(204, resp.status)
          # The queue contains nothing.
          resp, body = self.list_messages(queue_name=queue_name)
          self.assertEqual([], body['messages'])
          resp, body = self.list_subscription(queue_name)
          self.assertEqual([], body['subscriptions'])
  
      @classmethod
      def resource_cleanup(cls):
          for queue_name in cls.queues:
              cls.client.delete_queue(queue_name)
          super(TestManageQueue, cls).resource_cleanup()
  