Source code for keystone.tests.unit.common.test_manager
# 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 keystone import catalog
from keystone.common import manager
from keystone.tests import unit
[docs]class TestCreateLegacyDriver(unit.BaseTestCase):
@mock.patch('oslo_log.versionutils.report_deprecated_feature')
[docs] def test_class_is_properly_deprecated(self, mock_reporter):
Driver = manager.create_legacy_driver(catalog.CatalogDriverV8)
# NOTE(dstanek): I want to subvert the requirement for this
# class to implement all of the abstract methods.
Driver.__abstractmethods__ = set()
impl = Driver()
details = {
'as_of': 'Liberty',
'what': 'keystone.catalog.core.Driver',
'in_favor_of': 'keystone.catalog.core.CatalogDriverV8',
'remove_in': mock.ANY,
}
mock_reporter.assert_called_with(mock.ANY, mock.ANY, details)
self.assertEqual('N', mock_reporter.call_args[0][2]['remove_in'][0])
self.assertIsInstance(impl, catalog.CatalogDriverV8)
[docs] class Manager(manager.Manager):
def __init__(self, driver):
# NOTE(dstanek): I am not calling the parent's __init__ on
# purpose. I don't want to trigger the dynamic loading of a
# driver, I want to provide my own.
self.driver = driver
[docs] def test_property_passthru(self):
"""Manager delegating property call to a driver through __getattr__."""
class Driver(object):
def __init__(self):
self.counter = 0
@property
def p(self):
self.counter += 1
return self.counter
mgr = self.Manager(Driver())
# each property call should return a new value
self.assertNotEqual(mgr.p, mgr.p)
[docs] def test_callable_passthru(self):
class Driver(object):
class Inner(object):
pass
def method(self):
pass
drv = Driver()
mgr = self.Manager(drv)
self.assertEqual(drv.Inner, mgr.Inner)
self.assertEqual(drv.method, mgr.method)