text: # Copyright (c) 2016 Rackspace, 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.
  
  import json
  
  import mock
  from oslo_config import cfg
  from zake import fake_client
  
  from poppy.provider.akamai.http_policy_queue import http_policy_queue
  from tests.unit import base
  
  
  AKAMAI_OPTIONS = [
      # queue backend configs
      cfg.StrOpt(
          'queue_backend_type',
          help='HTTP policy queueing backend'),
      cfg.ListOpt('queue_backend_host', default=['localhost'],
                  help='default queue backend server hosts'),
      cfg.IntOpt('queue_backend_port', default=2181, help='default'
                 ' default queue backend server port (e.g: 2181)'),
      cfg.StrOpt(
          'http_policy_queue_path',
          default='/http_policy_queue',
          help='Zookeeper path '
          'for http_policy_queue'
      ),
  ]
  
  AKAMAI_GROUP = 'drivers:provider:akamai'
  
  
  class TestHTTPPolicyQueue(base.TestCase):
  
      def setUp(self):
          super(TestHTTPPolicyQueue, self).setUp()
          self.http_policy_dict = {
              "configuration_number": 1,
              "policy_name": "www.abc.com",
              "project_id": "12345"
          }
  
          # Need this fake class bc zake's fake client
          # does not take any host parameters
          class fake_kz_client(fake_client.FakeClient):
              def __init__(self, hosts):
                  super(self.__class__, self).__init__()
  
          zookeeper_client_patcher = mock.patch(
              'kazoo.client.KazooClient',
              fake_kz_client
          )
          zookeeper_client_patcher.start()
          self.addCleanup(zookeeper_client_patcher.stop)
  
          self.conf = cfg.ConfigOpts()
          self.zk_queue = http_policy_queue.ZookeeperHttpPolicyQueue(self.conf)
  
      def test_enqueue_http_policy(self):
          self.zk_queue.enqueue_http_policy(
              json.dumps(self.http_policy_dict).encode('utf-8'))
          self.assertTrue(len(self.zk_queue.http_policy_queue_backend) == 1)
          self.assertTrue(
              json.loads(self.zk_queue.http_policy_queue_backend.get().
                         decode('utf-8')) == self.http_policy_dict)
  
      def test_dequeue_http_policy(self):
          self.zk_queue.enqueue_http_policy(
              json.dumps(self.http_policy_dict).encode('utf-8'))
          res = self.zk_queue.dequeue_http_policy(False).decode('utf-8')
          self.assertTrue(len(self.zk_queue.http_policy_queue_backend) == 1)
          self.assertTrue(json.loads(res) == self.http_policy_dict)
  
          res = self.zk_queue.dequeue_http_policy().decode('utf-8')
          self.assertTrue(len(self.zk_queue.http_policy_queue_backend) == 0)
          self.assertTrue(json.loads(res) == self.http_policy_dict)
  
      def test_traverse_queue(self):
          self.zk_queue.enqueue_http_policy(
              json.dumps(self.http_policy_dict).encode('utf-8'))
          res = self.zk_queue.traverse_queue()
          self.assertTrue(len(res) == 1)
          res = [json.loads(r.decode('utf-8')) for r in res]
          self.assertTrue(res == [self.http_policy_dict])
  
      def test_traverse_queue_multiple_records(self):
          # Get a list of records to enqueue
          policy_obj_list = []
          for i in range(10):
              policy_object = {
                  "configuration_number": 1,
                  "policy_name": "www.abc{0}.com".format(i),
                  "project_id": "12345{0}".format(i),
              }
              policy_obj_list.append(policy_object)
  
          for cert_obj in policy_obj_list:
              self.zk_queue.enqueue_http_policy(
                  json.dumps(cert_obj).encode('utf-8'))
          res = self.zk_queue.traverse_queue()
          self.assertTrue(len(res) == 10)
          res = [json.loads(r.decode('utf-8')) for r in res]
          self.assertTrue(res == policy_obj_list)
  
      def test_put_queue_data(self):
          res = self.zk_queue.put_queue_data([])
          self.assertTrue(len(res) == 0)
  
          policy_obj_list = []
          for i in range(10):
              policy_object = {
                  "configuration_number": 1,
                  "policy_name": "www.abc{0}.com".format(i),
                  "project_id": "12345{0}".format(i),
              }
              policy_obj_list.append(policy_object)
  
          self.zk_queue.put_queue_data(
              [json.dumps(o).encode('utf-8') for o in policy_obj_list])
          self.assertTrue(len(self.zk_queue.http_policy_queue_backend) == 10)
          res = self.zk_queue.traverse_queue()
          res = [json.loads(r.decode('utf-8')) for r in res]
          self.assertTrue(res == policy_obj_list)
  
          # test put data to non-empty queue
          # should replace all items added above
          self.zk_queue.put_queue_data(
              [json.dumps(o).encode('utf-8') for o in policy_obj_list])
          self.assertTrue(len(self.zk_queue.http_policy_queue_backend) == 10)
  