| # Copyright 2013 OpenStack Foundation | 
 | # All Rights Reserved. | 
 | # | 
 | #    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.api.network import base | 
 |  | 
 |  | 
 | class BaseRouterTest(base.BaseAdminNetworkTest): | 
 |     # NOTE(salv-orlando): This class inherits from BaseAdminNetworkTest | 
 |     # as some router operations, such as enabling or disabling SNAT | 
 |     # require admin credentials by default | 
 |  | 
 |     def _cleanup_router(self, router): | 
 |         self.delete_router(router) | 
 |         self.routers.remove(router) | 
 |  | 
 |     def _create_router(self, name, admin_state_up=False, | 
 |                        external_network_id=None, enable_snat=None): | 
 |         # associate a cleanup with created routers to avoid quota limits | 
 |         router = self.create_router(name, admin_state_up, | 
 |                                     external_network_id, enable_snat) | 
 |         self.addCleanup(self._cleanup_router, router) | 
 |         return router | 
 |  | 
 |     def _delete_router(self, router_id, routers_client=None): | 
 |         client = routers_client or self.routers_client | 
 |         client.delete_router(router_id) | 
 |         # Asserting that the router is not found in the list | 
 |         # after deletion | 
 |         list_body = self.routers_client.list_routers() | 
 |         routers_list = list() | 
 |         for router in list_body['routers']: | 
 |             routers_list.append(router['id']) | 
 |         self.assertNotIn(router_id, routers_list) | 
 |  | 
 |     def _add_router_interface_with_subnet_id(self, router_id, subnet_id): | 
 |         interface = self.routers_client.add_router_interface( | 
 |             router_id, subnet_id=subnet_id) | 
 |         self.addCleanup(self._remove_router_interface_with_subnet_id, | 
 |                         router_id, subnet_id) | 
 |         self.assertEqual(subnet_id, interface['subnet_id']) | 
 |         return interface | 
 |  | 
 |     def _remove_router_interface_with_subnet_id(self, router_id, subnet_id): | 
 |         body = self.routers_client.remove_router_interface(router_id, | 
 |                                                            subnet_id=subnet_id) | 
 |         self.assertEqual(subnet_id, body['subnet_id']) | 
 |  | 
 |     def _remove_router_interface_with_port_id(self, router_id, port_id): | 
 |         body = self.routers_client.remove_router_interface(router_id, | 
 |                                                            port_id=port_id) | 
 |         self.assertEqual(port_id, body['port_id']) |