new_contents: # Copyright 2017 AT&T 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.lib.services.volume.v2 import capabilities_client
  from tempest.tests.lib import fake_auth_provider
  from tempest.tests.lib.services import base
  
  
  class TestCapabilitiesClient(base.BaseServiceTest):
  
      FAKE_BACKEND_CAPABILITIES = {
          "namespace": "OS::Storage::Capabilities::fake",
          "vendor_name": "OpenStack",
          "volume_backend_name": "lvmdriver-1",
          "pool_name": "pool",
          "driver_version": "2.0.0",
          "storage_protocol": "iSCSI",
          "display_name": "Capabilities of Cinder LVM driver",
          "description": (
              "These are volume type options provided by Cinder LVM driver."),
          "visibility": "public",
          "replication_targets": [],
          "properties": {
              "compression": {
                  "title": "Compression",
                  "description": "Enables compression.",
                  "type": "boolean"
              },
              "qos": {
                  "title": "QoS",
                  "description": "Enables QoS.",
                  "type": "boolean"
              },
              "replication": {
                  "title": "Replication",
                  "description": "Enables replication.",
                  "type": "boolean"
              },
              "thin_provisioning": {
                  "title": "Thin Provisioning",
                  "description": "Sets thin provisioning.",
                  "type": "boolean"
              }
          }
      }
  
      def setUp(self):
          super(TestCapabilitiesClient, self).setUp()
          fake_auth = fake_auth_provider.FakeAuthProvider()
          self.client = capabilities_client.CapabilitiesClient(
              fake_auth, 'volume', 'regionOne')
  
      def _test_show_backend_capabilities(self, bytes_body=False):
          self.check_service_client_function(
              self.client.show_backend_capabilities,
              'tempest.lib.common.rest_client.RestClient.get',
              self.FAKE_BACKEND_CAPABILITIES,
              bytes_body,
              host='lvmdriver-1')
  
      def test_show_backend_capabilities_with_str_body(self):
          self._test_show_backend_capabilities()
  
      def test_show_backend_capabilities_with_bytes_body(self):
          self._test_show_backend_capabilities(bytes_body=True)
  
subject: Add Capabilities Client unit tests