new_contents: # Copyright 2016 NEC 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 tempest.api.compute import base
  from tempest.common.utils import data_utils
  from tempest import config
  from tempest.lib import exceptions as lib_exc
  from tempest import test
  
  CONF = config.CONF
  
  
  class VolumesAdminNegativeTest(base.BaseV2ComputeAdminTest):
  
      @classmethod
      def skip_checks(cls):
          super(VolumesAdminNegativeTest, cls).skip_checks()
          if not CONF.service_available.cinder:
              skip_msg = ("%s skipped as Cinder is not available" % cls.__name__)
              raise cls.skipException(skip_msg)
  
      @classmethod
      def setup_clients(cls):
          super(VolumesAdminNegativeTest, cls).setup_clients()
          cls.servers_admin_client = cls.os_adm.servers_client
  
      @classmethod
      def resource_setup(cls):
          super(VolumesAdminNegativeTest, cls).resource_setup()
          cls.server = cls.create_test_server(wait_until='ACTIVE')
  
      @test.idempotent_id('309b5ecd-0585-4a7e-a36f-d2b2bf55259d')
      def test_update_attached_volume_with_nonexistent_volume_in_uri(self):
          volume = self.create_volume()
          nonexistent_volume = data_utils.rand_uuid()
          self.assertRaises(lib_exc.NotFound,
                            self.servers_admin_client.update_attached_volume,
                            self.server['id'], nonexistent_volume,
                            volumeId=volume['id'])
  
      @test.idempotent_id('7dcac15a-b107-46d3-a5f6-cb863f4e454a')
      def test_update_attached_volume_with_nonexistent_volume_in_body(self):
          volume = self.create_volume()
          self.attach_volume(self.server, volume)
  
          nonexistent_volume = data_utils.rand_uuid()
          self.assertRaises(lib_exc.BadRequest,
                            self.servers_admin_client.update_attached_volume,
                            self.server['id'], volume['id'],
                            volumeId=nonexistent_volume)
  
subject: Add negative tests about update-volume API