yardstick/tests/unit/benchmark/scenarios/lib/test_attach_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 attach_volume
  16
  17
  18 class AttachVolumeTestCase(unittest.TestCase):
  19
  20     def setUp(self):
  21
  22         self._mock_attach_volume_to_server = mock.patch.object(
  23             openstack_utils, 'attach_volume_to_server')
  24         self.mock_attach_volume_to_server = (
  25             self._mock_attach_volume_to_server.start())
  26         self._mock_get_shade_client = mock.patch.object(
  27             openstack_utils, 'get_shade_client')
  28         self.mock_get_shade_client = self._mock_get_shade_client.start()
  29         self._mock_log = mock.patch.object(attach_volume, 'LOG')
  30         self.mock_log = self._mock_log.start()
  31         _uuid = uuidutils.generate_uuid()
  32         self.args = {'options': {'server_name_or_id': _uuid,
  33                                  'volume_name_or_id': _uuid}}
  34         self.result = {}
  35         self.addCleanup(self._stop_mock)
  36         self.attachvol_obj = attach_volume.AttachVolume(self.args, mock.ANY)
  37
  38     def _stop_mock(self):
  39         self._mock_attach_volume_to_server.stop()
  40         self._mock_get_shade_client.stop()
  41         self._mock_log.stop()
  42
  43     def test_run(self):
  44         self.mock_attach_volume_to_server.return_value = True
  45         self.assertIsNone(self.attachvol_obj.run(self.result))
  46         self.assertEqual({'attach_volume': 1}, self.result)
  47         self.mock_log.info.asset_called_once_with(
  48             'Attach volume to server successful!')
  49
  50     def test_run_fail(self):
  51         self.mock_attach_volume_to_server.return_value = False
  52         with self.assertRaises(exceptions.ScenarioAttachVolumeError):
  53             self.attachvol_obj.run(self.result)
  54         self.assertEqual({'attach_volume': 0}, self.result)
  55         self.mock_log.error.assert_called_once_with(
  56             'Attach volume to server failed!')