text: # 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.
  
  import netaddr
  from tempest_lib.common.utils import data_utils
  from tempest_lib import exceptions as lib_exc
  
  from tempest.api.network import base_routers as base
  from tempest import config
  from tempest import test
  
  CONF = config.CONF
  
  
  class RoutersNegativeTest(base.BaseRouterTest):
  
      @classmethod
      def skip_checks(cls):
          super(RoutersNegativeTest, cls).skip_checks()
          if not test.is_extension_enabled('router', 'network'):
              msg = "router extension not enabled."
              raise cls.skipException(msg)
  
      @classmethod
      def resource_setup(cls):
          super(RoutersNegativeTest, cls).resource_setup()
          cls.router = cls.create_router(data_utils.rand_name('router-'))
          cls.network = cls.create_network()
          cls.subnet = cls.create_subnet(cls.network)
          cls.tenant_cidr = (CONF.network.tenant_network_cidr
                             if cls._ip_version == 4 else
                             CONF.network.tenant_network_v6_cidr)
  
      @test.attr(type=['negative'])
      @test.idempotent_id('37a94fc0-a834-45b9-bd23-9a81d2fd1e22')
      def test_router_add_gateway_invalid_network_returns_404(self):
          self.assertRaises(lib_exc.NotFound,
                            self.client.update_router,
                            self.router['id'],
                            external_gateway_info={
                                'network_id': self.router['id']})
  
      @test.attr(type=['negative'])
      @test.idempotent_id('11836a18-0b15-4327-a50b-f0d9dc66bddd')
      def test_router_add_gateway_net_not_external_returns_400(self):
          alt_network = self.create_network(
              network_name=data_utils.rand_name('router-negative-'))
          sub_cidr = netaddr.IPNetwork(self.tenant_cidr).next()
          self.create_subnet(alt_network, cidr=sub_cidr)
          self.assertRaises(lib_exc.BadRequest,
                            self.client.update_router,
                            self.router['id'],
                            external_gateway_info={
                                'network_id': alt_network['id']})
  
      @test.attr(type=['negative'])
      @test.idempotent_id('957751a3-3c68-4fa2-93b6-eb52ea10db6e')
      def test_add_router_interfaces_on_overlapping_subnets_returns_400(self):
          network01 = self.create_network(
              network_name=data_utils.rand_name('router-network01-'))
          network02 = self.create_network(
              network_name=data_utils.rand_name('router-network02-'))
          subnet01 = self.create_subnet(network01)
          subnet02 = self.create_subnet(network02)
          self._add_router_interface_with_subnet_id(self.router['id'],
                                                    subnet01['id'])
          self.assertRaises(lib_exc.BadRequest,
                            self._add_router_interface_with_subnet_id,
                            self.router['id'],
                            subnet02['id'])
  
      @test.attr(type=['negative'])
      @test.idempotent_id('04df80f9-224d-47f5-837a-bf23e33d1c20')
      def test_router_remove_interface_in_use_returns_409(self):
          self.client.add_router_interface_with_subnet_id(
              self.router['id'], self.subnet['id'])
          self.assertRaises(lib_exc.Conflict,
                            self.client.delete_router,
                            self.router['id'])
  
      @test.attr(type=['negative'])
      @test.idempotent_id('c2a70d72-8826-43a7-8208-0209e6360c47')
      def test_show_non_existent_router_returns_404(self):
          router = data_utils.rand_name('non_exist_router')
          self.assertRaises(lib_exc.NotFound, self.client.show_router,
                            router)
  
      @test.attr(type=['negative'])
      @test.idempotent_id('b23d1569-8b0c-4169-8d4b-6abd34fad5c7')
      def test_update_non_existent_router_returns_404(self):
          router = data_utils.rand_name('non_exist_router')
          self.assertRaises(lib_exc.NotFound, self.client.update_router,
                            router, name="new_name")
  
      @test.attr(type=['negative'])
      @test.idempotent_id('c7edc5ad-d09d-41e6-a344-5c0c31e2e3e4')
      def test_delete_non_existent_router_returns_404(self):
          router = data_utils.rand_name('non_exist_router')
          self.assertRaises(lib_exc.NotFound, self.client.delete_router,
                            router)
  
  
  class RoutersNegativeIpV6Test(RoutersNegativeTest):
      _ip_version = 6
  
  
  class DvrRoutersNegativeTest(base.BaseRouterTest):
  
      @classmethod
      def skip_checks(cls):
          super(DvrRoutersNegativeTest, cls).skip_checks()
          if not test.is_extension_enabled('dvr', 'network'):
              msg = "DVR extension not enabled."
              raise cls.skipException(msg)
  
      @classmethod
      def resource_setup(cls):
          super(DvrRoutersNegativeTest, cls).resource_setup()
          cls.router = cls.create_router(data_utils.rand_name('router'))
          cls.network = cls.create_network()
          cls.subnet = cls.create_subnet(cls.network)
  
      @test.attr(type=['negative'])
      @test.idempotent_id('4990b055-8fc7-48ab-bba7-aa28beaad0b9')
      def test_router_create_tenant_distributed_returns_forbidden(self):
          self.assertRaises(lib_exc.Forbidden,
                            self.create_router,
                            data_utils.rand_name('router'),
                            distributed=True)
  