taskflow/taskflow/tests/unit/worker_based/test_endpoint.py

84 lines
3.1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
#
# 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 oslo_utils import reflection
from taskflow.engines.worker_based import endpoint as ep
from taskflow import task
from taskflow import test
from taskflow.tests import utils
class Task(task.Task):
def __init__(self, a, *args, **kwargs):
super(Task, self).__init__(*args, **kwargs)
def execute(self, *args, **kwargs):
pass
class TestEndpoint(test.TestCase):
def setUp(self):
super(TestEndpoint, self).setUp()
self.task_cls = utils.TaskOneReturn
self.task_uuid = 'task-uuid'
self.task_args = {'context': 'context'}
self.task_cls_name = reflection.get_class_name(self.task_cls)
self.task_ep = ep.Endpoint(self.task_cls)
self.task_result = 1
def test_creation(self):
task = self.task_ep.generate()
self.assertEqual(self.task_cls_name, self.task_ep.name)
self.assertIsInstance(task, self.task_cls)
self.assertEqual(self.task_cls_name, task.name)
def test_creation_with_task_name(self):
task_name = 'test'
task = self.task_ep.generate(name=task_name)
self.assertEqual(self.task_cls_name, self.task_ep.name)
self.assertIsInstance(task, self.task_cls)
self.assertEqual(task_name, task.name)
def test_creation_task_with_constructor_args(self):
# NOTE(skudriashev): Exception is expected here since task
# is created without any arguments passing to its constructor.
endpoint = ep.Endpoint(Task)
self.assertRaises(TypeError, endpoint.generate)
def test_to_str(self):
self.assertEqual(self.task_cls_name, str(self.task_ep))
def test_execute(self):
task = self.task_ep.generate(self.task_cls_name)
result = self.task_ep.execute(task,
task_uuid=self.task_uuid,
arguments=self.task_args,
progress_callback=None)
self.assertEqual(self.task_result, result)
def test_revert(self):
task = self.task_ep.generate(self.task_cls_name)
result = self.task_ep.revert(task,
task_uuid=self.task_uuid,
arguments=self.task_args,
progress_callback=None,
result=self.task_result,
failures={})
self.assertIsNone(result)