new_contents: # Copyright 2016 NTT Corporation.
  #
  # 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 nova.tests import fixtures as nova_fixtures
  from nova.tests.functional import integrated_helpers
  from nova.tests.unit import policy_fixture
  from nova.tests import uuidsentinel as uuids
  
  
  def create_request_body():
      return {
                 "interfaceAttachment": {
                     "port_id": uuids.port,
                     "net_id": uuids.net,
                     "fixed_ips": [
                         {
                             "ip_address": "192.168.1.3",
                             "subnet_id": uuids.subnet
                         }
                     ]
                 }
             }
  
  
  class InterfaceFullstack(integrated_helpers._IntegratedTestBase):
      """Tests for port interfaces command.
  
      Extension: os-interface
  
      os-interface adds a set of functions to the port interfaces
      for the creation and deletion of port interfaces.
  
      POST /v2.1/{tenant_id}/servers/{server_id}/os-interface
      DELETE /v2.1/{tenant_id}/servers/{server_id}/os-interface/{attachment_id}
  
      Functional Test Scope:
  
      This test starts the wsgi stack for the nova api services, uses an
      in memory database to ensure the path through the wsgi layer to
      the database.
  
      """
      api_major_version = 'v2.1'
      _image_ref_parameter = 'imageRef'
      _flavor_ref_parameter = 'flavorRef'
  
      def setUp(self):
          super(InterfaceFullstack, self).setUp()
          self.useFixture(policy_fixture.RealPolicyFixture())
          api_fixture = self.useFixture(nova_fixtures.OSAPIFixture())
  
          self.api = api_fixture.api
  
      def test_interface_func_negative(self):
          """Test port interface edge conditions.
  
          - Bogus body is a 400
          """
          # Create a server
          server = self._build_minimal_create_server_request()
          created_server = self.api.post_server({"server": server})
          created_server_id = created_server['id']
  
          # Test for API failure conditions
          # bad body is 400
          os_interface_url = '/servers/%s/os-interface' % created_server_id
  
          # Check in the case that both net_id and port_id are specified.
          body = create_request_body()
          del body['interfaceAttachment']['fixed_ips']
          resp = self.api.api_post(os_interface_url, body,
                                   check_response_status=False)
          self.assertEqual(400, resp.status)
  
          # Check in the case that fixed_ips is specified,
          # but net_id is not specifed.
          body = create_request_body()
          del body['interfaceAttachment']['port_id']
          del body['interfaceAttachment']['net_id']
          resp = self.api.api_post(os_interface_url, body,
                                   check_response_status=False)
          self.assertEqual(400, resp.status)
  
subject: Add os-interface functional negative tests