text: # Copyright 2013 New Dream Network, LLC (DreamHost)
  # Copyright 2015 Rackspace
  #
  #    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 contextlib
  import copy
  import mock
  
  from neutron_lbaas.agent import agent_api as api
  from neutron_lbaas.tests import base
  
  
  class TestApiCache(base.BaseTestCase):
      def setUp(self):
          super(TestApiCache, self).setUp()
  
          self.api = api.LbaasAgentApi('topic', mock.sentinel.context, 'host')
  
      def test_init(self):
          self.assertEqual(self.api.host, 'host')
          self.assertEqual(self.api.context, mock.sentinel.context)
  
      def _test_method(self, method, **kwargs):
          add_host = ('get_ready_devices', 'plug_vip_port', 'unplug_vip_port')
          expected_kwargs = copy.copy(kwargs)
          if method in add_host:
              expected_kwargs['host'] = self.api.host
  
          with contextlib.nested(
              mock.patch.object(self.api.client, 'call'),
              mock.patch.object(self.api.client, 'prepare'),
          ) as (
              rpc_mock, prepare_mock
          ):
              prepare_mock.return_value = self.api.client
              rpc_mock.return_value = 'foo'
              rv = getattr(self.api, method)(**kwargs)
  
          self.assertEqual(rv, 'foo')
  
          prepare_args = {}
          prepare_mock.assert_called_once_with(**prepare_args)
  
          rpc_mock.assert_called_once_with(mock.sentinel.context, method,
                                           **expected_kwargs)
  
      def test_get_ready_devices(self):
          self._test_method('get_ready_devices')
  
      def test_get_loadbalancer(self):
          self._test_method('get_loadbalancer',
                            loadbalancer_id='loadbalancer_id')
  
      def test_loadbalancer_destroyed(self):
          self._test_method('loadbalancer_destroyed',
                            loadbalancer_id='loadbalancer_id')
  
      def test_loadbalancer_deployed(self):
          self._test_method('loadbalancer_deployed',
                            loadbalancer_id='loadbalancer_id')
  
      def test_update_status(self):
          self._test_method('update_status', obj_type='type', obj_id='id',
                            provisioning_status='p_status',
                            operating_status='o_status')
  
      def test_plug_vip_port(self):
          self._test_method('plug_vip_port', port_id='port_id')
  
      def test_unplug_vip_port(self):
          self._test_method('unplug_vip_port', port_id='port_id')
  
      def test_update_loadbalancer_stats(self):
          self._test_method('update_loadbalancer_stats', loadbalancer_id='id',
                            stats='stats')
  