yardstick/tests/unit/benchmark/scenarios/lib/test_detach_volume.py

   1 ##############################################################################
   2 # Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9 from oslo_utils import uuidutils
  10 import unittest
  11 import mock
  12
  13 from yardstick.common import openstack_utils
  14 from yardstick.common import exceptions
  15 from yardstick.benchmark.scenarios.lib import detach_volume
  16
  17
  18 class DetachVolumeTestCase(unittest.TestCase):
  19
  20     def setUp(self):
  21         self._mock_detach_volume = mock.patch.object(
  22             openstack_utils, 'detach_volume')
  23         self.mock_detach_volume = (
  24             self._mock_detach_volume.start())
  25         self._mock_get_shade_client = mock.patch.object(
  26             openstack_utils, 'get_shade_client')
  27         self.mock_get_shade_client = self._mock_get_shade_client.start()
  28         self._mock_log = mock.patch.object(detach_volume, 'LOG')
  29         self.mock_log = self._mock_log.start()
  30         _uuid = uuidutils.generate_uuid()
  31         self.args = {'options': {'server_name_or_id':  _uuid,
  32                                  'volume_name_or_id': _uuid}}
  33         self.result = {}
  34
  35         self.detachvol_obj = detach_volume.DetachVolume(self.args, mock.ANY)
  36
  37         self.addCleanup(self._stop_mock)
  38
  39     def _stop_mock(self):
  40         self._mock_detach_volume.stop()
  41         self._mock_get_shade_client.stop()
  42         self._mock_log.stop()
  43
  44     def test_run(self):
  45         self.mock_detach_volume.return_value = True
  46         self.assertIsNone(self.detachvol_obj.run(self.result))
  47         self.assertEqual({'detach_volume': 1}, self.result)
  48         self.mock_log.info.assert_called_once_with(
  49             'Detach volume from server successful!')
  50
  51     def test_run_fail(self):
  52         self.mock_detach_volume.return_value = False
  53         with self.assertRaises(exceptions.ScenarioDetachVolumeError):
  54             self.detachvol_obj.run(self.result)
  55         self.assertEqual({'detach_volume': 0}, self.result)
  56         self.mock_log.error.assert_called_once_with(
  57             'Detach volume from server failed!')