Isaac Mungai 27a9c816f8 Fix coverage for distributed task driver
Change-Id: Ic2b289fa13ace3124cc2f6c8e4201a794ed42a7f
2016-06-06 16:35:21 -04:00

84 lines
3.1 KiB
Python

# Copyright (c) 2014 Rackspace, 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.
"""Unittests for TaskFlow distributed_task driver implementation."""
import mock
from oslo_config import cfg
from poppy.distributed_task.taskflow import driver
from tests.unit import base
class TestDriver(base.TestCase):
def setUp(self):
super(TestDriver, self).setUp()
self.persistence_backends_patcher = mock.patch(
'poppy.distributed_task.taskflow.driver.persistence_backends')
self.persistence = self.persistence_backends_patcher.start()
self.persistence.backend.return_value.__enter__ = mock.MagicMock()
self.persistence.backend.return_value.__exit__ = mock.MagicMock()
self.job_backends_patcher = mock.patch(
'poppy.distributed_task.taskflow.driver.job_backends')
self.job_board = self.job_backends_patcher.start()
self.mock_board = mock.MagicMock()
type(self.mock_board).connected = False
self.job_board.backend.return_value.__enter__ = mock.MagicMock(
return_value=self.mock_board
)
self.job_board.backend.return_value.__exit__ = mock.MagicMock()
self.conf = cfg.ConfigOpts()
self.distributed_task_driver = (
driver.TaskFlowDistributedTaskDriver(self.conf))
self.addCleanup(self.persistence_backends_patcher.stop)
self.addCleanup(self.job_backends_patcher.stop)
def test_init(self):
self.assertIsNotNone(self.distributed_task_driver)
def test_vendor_name(self):
self.assertEqual('TaskFlow', self.distributed_task_driver.vendor_name)
def test_persistence(self):
self.assertIsNotNone(self.distributed_task_driver.persistence())
def test_job_board(self):
self.assertIsNotNone(
self.distributed_task_driver.job_board(mock.Mock(), mock.Mock()))
def test_is_alive_true(self):
type(self.mock_board).connected = True
self.assertEqual(True, self.distributed_task_driver.is_alive())
def test_is_alive_false(self):
self.assertEqual(False, self.distributed_task_driver.is_alive())
def test_is_alive_exception(self):
# NOTE(isaacm): when mocking nested context manager the mocked
# exception side effect should be on the outer context
self.persistence.backend.return_value.__exit__.side_effect = Exception(
"Mock __exit__ : Something went wrong!")
self.assertEqual(False, self.distributed_task_driver.is_alive())
def test_service_controller(self):
self.assertIsNotNone(self.distributed_task_driver.services_controller)