octavia/octavia/tests/unit/api/drivers/test_driver_factory.py

49 lines
1.7 KiB
Python

# Copyright 2018 Rackspace, US Inc.
#
# 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 unittest import mock
from octavia.api.drivers import driver_factory
from octavia.common import exceptions
import octavia.tests.unit.base as base
class TestDriverFactory(base.TestCase):
def setUp(self):
super(TestDriverFactory, self).setUp()
@mock.patch('stevedore.driver.DriverManager')
def test_driver_factory_no_provider(self, mock_drivermgr):
mock_mgr = mock.MagicMock()
mock_drivermgr.return_value = mock_mgr
driver = driver_factory.get_driver(None)
self.assertEqual(mock_mgr.driver, driver)
@mock.patch('stevedore.driver.DriverManager')
def test_driver_factory_failed_to_load_driver(self, mock_drivermgr):
mock_drivermgr.side_effect = Exception('boom')
self.assertRaises(exceptions.ProviderNotFound,
driver_factory.get_driver, None)
@mock.patch('stevedore.driver.DriverManager')
def test_driver_factory_not_enabled(self, mock_drivermgr):
self.assertRaises(exceptions.ProviderNotEnabled,
driver_factory.get_driver,
'dont-enable-this-fake-driver-name')