81 lines
3.4 KiB
Python
81 lines
3.4 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 futurist
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import testtools
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from taskflow.engines.action_engine import engine
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from taskflow.engines.action_engine import executor
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from taskflow.patterns import linear_flow as lf
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from taskflow.persistence import backends
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from taskflow import test
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from taskflow.tests import utils
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from taskflow.utils import eventlet_utils as eu
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from taskflow.utils import persistence_utils as pu
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class ParallelCreationTest(test.TestCase):
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@staticmethod
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def _create_engine(**kwargs):
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flow = lf.Flow('test-flow').add(utils.DummyTask())
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backend = backends.fetch({'connection': 'memory'})
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flow_detail = pu.create_flow_detail(flow, backend=backend)
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options = kwargs.copy()
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return engine.ParallelActionEngine(flow, flow_detail,
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backend, options)
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def test_thread_string_creation(self):
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for s in ['threads', 'threaded', 'thread']:
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eng = self._create_engine(executor=s)
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self.assertIsInstance(eng._task_executor,
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executor.ParallelThreadTaskExecutor)
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def test_process_string_creation(self):
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for s in ['process', 'processes']:
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eng = self._create_engine(executor=s)
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self.assertIsInstance(eng._task_executor,
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executor.ParallelProcessTaskExecutor)
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def test_thread_executor_creation(self):
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with futurist.ThreadPoolExecutor(1) as e:
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eng = self._create_engine(executor=e)
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self.assertIsInstance(eng._task_executor,
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executor.ParallelThreadTaskExecutor)
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def test_process_executor_creation(self):
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with futurist.ProcessPoolExecutor(1) as e:
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eng = self._create_engine(executor=e)
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self.assertIsInstance(eng._task_executor,
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executor.ParallelProcessTaskExecutor)
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@testtools.skipIf(not eu.EVENTLET_AVAILABLE, 'eventlet is not available')
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def test_green_executor_creation(self):
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with futurist.GreenThreadPoolExecutor(1) as e:
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eng = self._create_engine(executor=e)
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self.assertIsInstance(eng._task_executor,
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executor.ParallelThreadTaskExecutor)
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def test_sync_executor_creation(self):
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with futurist.SynchronousExecutor() as e:
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eng = self._create_engine(executor=e)
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self.assertIsInstance(eng._task_executor,
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executor.ParallelThreadTaskExecutor)
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def test_invalid_creation(self):
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self.assertRaises(ValueError, self._create_engine, executor='crap')
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self.assertRaises(TypeError, self._create_engine, executor=2)
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self.assertRaises(TypeError, self._create_engine, executor=object())
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