text: # Copyright 2016 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.volume import base
  from tempest import config
  from tempest.lib import decorators
  
  
  CONF = config.CONF
  
  
  # NOTE(zhufl): This inherits from BaseVolumeAdminTest because
  # it requires force_tenant_isolation=True, which need admin
  # credentials to create non-admin users for the tests.
  class AbsoluteLimitsTests(base.BaseVolumeAdminTest):  # noqa
  
      # avoid existing volumes of pre-defined tenant
      force_tenant_isolation = True
  
      @classmethod
      def resource_setup(cls):
          super(AbsoluteLimitsTests, cls).resource_setup()
          # Create a shared volume for tests
          cls.volume = cls.create_volume()
  
      @decorators.idempotent_id('8e943f53-e9d6-4272-b2e9-adcf2f7c29ad')
      def test_get_volume_absolute_limits(self):
          # get volume limit for a tenant
          absolute_limits = \
              self.volume_limits_client.show_limits(
              )['limits']['absolute']
  
          # verify volume limits and defaults per tenants
          self.assertEqual(absolute_limits['totalGigabytesUsed'],
                           CONF.volume.volume_size)
          self.assertEqual(absolute_limits['totalVolumesUsed'], 1)
          self.assertEqual(absolute_limits['totalSnapshotsUsed'], 0)
          self.assertEqual(absolute_limits['totalBackupsUsed'], 0)
          self.assertEqual(absolute_limits['totalBackupGigabytesUsed'], 0)
  