4e514f41e5
The reflection module is now part of oslo.utils so we should remove our local version and use that version instead; this also goes for the uuidutils module which is now part of oslo.utils as well so we no longer need our local version copied from the incubator... Note that one reflection method `find_subclasses` which was to specific to taskflow is now moved to the misc utility module instead of its prior home in the reflection module. Change-Id: I069881c80b0b2916cc0c414992b80171f7eeb79f
195 lines
6.8 KiB
Python
195 lines
6.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo.utils import reflection
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import six
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from taskflow.engines.worker_based import endpoint
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from taskflow.engines.worker_based import worker
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from taskflow import test
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from taskflow.test import mock
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from taskflow.tests import utils
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class TestWorker(test.MockTestCase):
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def setUp(self):
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super(TestWorker, self).setUp()
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self.task_cls = utils.DummyTask
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self.task_name = reflection.get_class_name(self.task_cls)
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self.broker_url = 'test-url'
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self.exchange = 'test-exchange'
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self.topic = 'test-topic'
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self.threads_count = 5
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self.endpoint_count = 22
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# patch classes
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self.executor_mock, self.executor_inst_mock = self.patchClass(
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worker.futures, 'ThreadPoolExecutor', attach_as='executor')
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self.server_mock, self.server_inst_mock = self.patchClass(
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worker.server, 'Server')
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# other mocking
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self.threads_count_mock = self.patch(
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'taskflow.engines.worker_based.worker.tu.get_optimal_thread_count')
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self.threads_count_mock.return_value = self.threads_count
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def worker(self, reset_master_mock=False, **kwargs):
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worker_kwargs = dict(exchange=self.exchange,
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topic=self.topic,
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tasks=[],
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url=self.broker_url)
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worker_kwargs.update(kwargs)
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w = worker.Worker(**worker_kwargs)
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if reset_master_mock:
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self.resetMasterMock()
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return w
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def test_creation(self):
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self.worker()
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master_mock_calls = [
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mock.call.executor_class(self.threads_count),
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mock.call.Server(self.topic, self.exchange,
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self.executor_inst_mock, [], url=self.broker_url)
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_banner_writing(self):
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buf = six.StringIO()
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w = self.worker()
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w.run(banner_writer=buf.write)
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w.wait()
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w.stop()
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self.assertGreater(0, len(buf.getvalue()))
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def test_creation_with_custom_threads_count(self):
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self.worker(threads_count=10)
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master_mock_calls = [
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mock.call.executor_class(10),
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mock.call.Server(self.topic, self.exchange,
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self.executor_inst_mock, [], url=self.broker_url)
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_creation_with_negative_threads_count(self):
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self.assertRaises(ValueError, self.worker, threads_count=-10)
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def test_creation_with_custom_executor(self):
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executor_mock = mock.MagicMock(name='executor')
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self.worker(executor=executor_mock)
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master_mock_calls = [
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mock.call.Server(self.topic, self.exchange, executor_mock, [],
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url=self.broker_url)
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_run_with_no_tasks(self):
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self.worker(reset_master_mock=True).run()
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master_mock_calls = [
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mock.call.server.start()
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_run_with_tasks(self):
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self.worker(reset_master_mock=True,
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tasks=['taskflow.tests.utils:DummyTask']).run()
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master_mock_calls = [
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mock.call.server.start()
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_run_with_custom_executor(self):
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executor_mock = mock.MagicMock(name='executor')
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self.worker(reset_master_mock=True,
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executor=executor_mock).run()
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master_mock_calls = [
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mock.call.server.start()
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_wait(self):
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w = self.worker(reset_master_mock=True)
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w.run()
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w.wait()
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master_mock_calls = [
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mock.call.server.start(),
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mock.call.server.wait()
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_stop(self):
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self.worker(reset_master_mock=True).stop()
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master_mock_calls = [
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mock.call.server.stop(),
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mock.call.executor.shutdown()
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]
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self.assertEqual(self.master_mock.mock_calls, master_mock_calls)
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def test_derive_endpoints_from_string_tasks(self):
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endpoints = worker.Worker._derive_endpoints(
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['taskflow.tests.utils:DummyTask'])
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self.assertEqual(len(endpoints), 1)
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self.assertIsInstance(endpoints[0], endpoint.Endpoint)
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self.assertEqual(endpoints[0].name, self.task_name)
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def test_derive_endpoints_from_string_modules(self):
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endpoints = worker.Worker._derive_endpoints(['taskflow.tests.utils'])
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self.assertEqual(len(endpoints), self.endpoint_count)
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def test_derive_endpoints_from_string_non_existent_module(self):
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tasks = ['non.existent.module']
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self.assertRaises(ImportError, worker.Worker._derive_endpoints, tasks)
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def test_derive_endpoints_from_string_non_existent_task(self):
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tasks = ['non.existent.module:Task']
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self.assertRaises(ImportError, worker.Worker._derive_endpoints, tasks)
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def test_derive_endpoints_from_string_non_task_class(self):
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tasks = ['taskflow.tests.utils:FakeTask']
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self.assertRaises(TypeError, worker.Worker._derive_endpoints, tasks)
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def test_derive_endpoints_from_tasks(self):
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endpoints = worker.Worker._derive_endpoints([self.task_cls])
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self.assertEqual(len(endpoints), 1)
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self.assertIsInstance(endpoints[0], endpoint.Endpoint)
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self.assertEqual(endpoints[0].name, self.task_name)
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def test_derive_endpoints_from_non_task_class(self):
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self.assertRaises(TypeError, worker.Worker._derive_endpoints,
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[utils.FakeTask])
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def test_derive_endpoints_from_modules(self):
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endpoints = worker.Worker._derive_endpoints([utils])
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self.assertEqual(len(endpoints), self.endpoint_count)
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def test_derive_endpoints_unexpected_task_type(self):
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self.assertRaises(TypeError, worker.Worker._derive_endpoints, [111])
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