3c9871d8c3
Internally we should be using the new location and not the deprecated location wherever possible. This avoids emitting warnings messages on our own code, which is a dirty habit. Change-Id: Idac5a772eca7529d92542ada3be1cea092880e25
99 lines
3.3 KiB
Python
99 lines
3.3 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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import threading
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from concurrent import futures
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from taskflow.engines.worker_based import endpoint
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from taskflow.engines.worker_based import executor as worker_executor
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from taskflow.engines.worker_based import server as worker_server
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from taskflow.openstack.common import uuidutils
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from taskflow import test
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from taskflow.tests import utils as test_utils
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from taskflow.types import failure
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TEST_EXCHANGE, TEST_TOPIC = ('test-exchange', 'test-topic')
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WAIT_TIMEOUT = 1.0
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POLLING_INTERVAL = 0.01
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class TestPipeline(test.TestCase):
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def _fetch_server(self, task_classes):
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endpoints = []
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for cls in task_classes:
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endpoints.append(endpoint.Endpoint(cls))
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server = worker_server.Server(
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TEST_TOPIC, TEST_EXCHANGE,
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futures.ThreadPoolExecutor(1), endpoints,
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transport='memory',
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transport_options={
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'polling_interval': POLLING_INTERVAL,
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})
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server_thread = threading.Thread(target=server.start)
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server_thread.daemon = True
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return (server, server_thread)
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def _fetch_executor(self):
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executor = worker_executor.WorkerTaskExecutor(
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uuidutils.generate_uuid(),
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TEST_EXCHANGE,
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[TEST_TOPIC],
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transport='memory',
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transport_options={
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'polling_interval': POLLING_INTERVAL,
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})
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return executor
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def _start_components(self, task_classes):
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server, server_thread = self._fetch_server(task_classes)
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executor = self._fetch_executor()
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self.addCleanup(executor.stop)
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self.addCleanup(server_thread.join)
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self.addCleanup(server.stop)
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executor.start()
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server_thread.start()
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server.wait()
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return (executor, server)
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def test_execution_pipeline(self):
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executor, server = self._start_components([test_utils.TaskOneReturn])
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self.assertEqual(0, executor.wait_for_workers(timeout=WAIT_TIMEOUT))
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t = test_utils.TaskOneReturn()
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f = executor.execute_task(t, uuidutils.generate_uuid(), {})
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executor.wait_for_any([f])
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t2, _action, result = f.result()
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self.assertEqual(1, result)
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self.assertEqual(t, t2)
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def test_execution_failure_pipeline(self):
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task_classes = [
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test_utils.TaskWithFailure,
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]
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executor, server = self._start_components(task_classes)
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t = test_utils.TaskWithFailure()
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f = executor.execute_task(t, uuidutils.generate_uuid(), {})
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executor.wait_for_any([f])
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_t2, _action, result = f.result()
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self.assertIsInstance(result, failure.Failure)
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self.assertEqual(RuntimeError, result.check(RuntimeError))
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