text: # Copyright 2014 IBM Corp.
  #
  #    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 oslo_config import cfg
  
  from nova.compute import api as compute_api
  from nova.tests.functional.api_sample_tests import test_servers
  from nova.tests.unit.api.openstack import fakes
  
  CONF = cfg.CONF
  CONF.import_opt('osapi_compute_extension',
                  'nova.api.openstack.compute.legacy_v2.extensions')
  
  
  class AssistedVolumeSnapshotsJsonTests(test_servers.ServersSampleBase):
      extension_name = "os-assisted-volume-snapshots"
      # TODO(gmann): Overriding '_api_version' till all functional tests
      # are merged between v2 and v2.1. After that base class variable
      # itself can be changed to 'v2'
      _api_version = 'v2'
  
      def _get_flags(self):
          f = super(AssistedVolumeSnapshotsJsonTests, self)._get_flags()
          f['osapi_compute_extension'] = CONF.osapi_compute_extension[:]
          f['osapi_compute_extension'].append(
              'nova.api.openstack.compute.contrib.'
              'assisted_volume_snapshots.Assisted_volume_snapshots')
          return f
  
      def test_create(self):
          """Create a volume snapshots."""
          self.stubs.Set(compute_api.API, 'volume_snapshot_create',
                         fakes.stub_compute_volume_snapshot_create)
  
          subs = {
              'volume_id': '521752a6-acf6-4b2d-bc7a-119f9148cd8c',
              'snapshot_id': '421752a6-acf6-4b2d-bc7a-119f9148cd8c',
              'type': 'qcow2',
              'new_file': 'new_file_name'
          }
  
          response = self._do_post("os-assisted-volume-snapshots",
                                   "snapshot-create-assisted-req",
                                   subs)
          subs.update(self._get_regexes())
          self._verify_response("snapshot-create-assisted-resp",
                                subs, response, 200)
  
      def test_snapshots_delete_assisted(self):
          self.stubs.Set(compute_api.API, 'volume_snapshot_delete',
                         fakes.stub_compute_volume_snapshot_delete)
  
          snapshot_id = '100'
          response = self._do_delete(
                  'os-assisted-volume-snapshots/%s?delete_info='
                  '{"volume_id":"521752a6-acf6-4b2d-bc7a-119f9148cd8c"}'
                  % snapshot_id)
          self.assertEqual(response.status_code, 204)
          self.assertEqual(response.content, '')
  