Source code for ironic.tests.unit.common.test_driver_factory
# coding=utf-8
# 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.
import mock
from stevedore import dispatch
from ironic.common import driver_factory
from ironic.common import exception
from ironic.drivers import base as drivers_base
from ironic.tests import base
[docs]class FakeEp(object):
name = 'fake'
[docs]class DriverLoadTestCase(base.TestCase):
[docs] def setUp(self):
super(DriverLoadTestCase, self).setUp()
driver_factory.DriverFactory._extension_manager = None
def _fake_init_name_err(self, *args, **kwargs):
kwargs['on_load_failure_callback'](None, FakeEp, NameError('aaa'))
def _fake_init_driver_err(self, *args, **kwargs):
kwargs['on_load_failure_callback'](None, FakeEp,
exception.DriverLoadError(
driver='aaa', reason='bbb'))
[docs] def test_driver_load_error_if_driver_enabled(self):
self.config(enabled_drivers=['fake'])
with mock.patch.object(dispatch.NameDispatchExtensionManager,
'__init__', self._fake_init_driver_err):
self.assertRaises(
exception.DriverLoadError,
driver_factory.DriverFactory._init_extension_manager)
[docs] def test_wrap_in_driver_load_error_if_driver_enabled(self):
self.config(enabled_drivers=['fake'])
with mock.patch.object(dispatch.NameDispatchExtensionManager,
'__init__', self._fake_init_name_err):
self.assertRaises(
exception.DriverLoadError,
driver_factory.DriverFactory._init_extension_manager)
@mock.patch.object(dispatch.NameDispatchExtensionManager, 'names',
autospec=True)
[docs] def test_no_driver_load_error_if_driver_disabled(self, mock_em):
self.config(enabled_drivers=[])
with mock.patch.object(dispatch.NameDispatchExtensionManager,
'__init__', self._fake_init_driver_err):
driver_factory.DriverFactory._init_extension_manager()
self.assertEqual(2, mock_em.call_count)
@mock.patch.object(driver_factory.LOG, 'warning', autospec=True)
[docs] def test_driver_duplicated_entry(self, mock_log):
self.config(enabled_drivers=['fake', 'fake'])
driver_factory.DriverFactory._init_extension_manager()
self.assertEqual(
['fake'], driver_factory.DriverFactory._extension_manager.names())
self.assertTrue(mock_log.called)
[docs]class GetDriverTestCase(base.TestCase):
[docs] def setUp(self):
super(GetDriverTestCase, self).setUp()
driver_factory.DriverFactory._extension_manager = None
self.config(enabled_drivers=['fake'])
[docs] def test_get_driver_known(self):
driver = driver_factory.get_driver('fake')
self.assertIsInstance(driver, drivers_base.BaseDriver)
[docs] def test_get_driver_unknown(self):
self.assertRaises(exception.DriverNotFound,
driver_factory.get_driver, 'unknown_driver')