94 lines
4.0 KiB
Python
94 lines
4.0 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 taskflow.engines.worker_based import engine
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from taskflow.engines.worker_based 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.test import mock
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from taskflow.tests import utils
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from taskflow.utils import persistence_utils as pu
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class TestWorkerBasedActionEngine(test.MockTestCase):
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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.WorkerBasedActionEngine(flow, flow_detail,
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backend, options)
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def _patch_in_executor(self):
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executor_mock, executor_inst_mock = self.patchClass(
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engine.executor, 'WorkerTaskExecutor', attach_as='executor')
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return executor_mock, executor_inst_mock
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def test_creation_default(self):
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executor_mock, executor_inst_mock = self._patch_in_executor()
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eng = self._create_engine()
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expected_calls = [
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mock.call.executor_class(uuid=eng.storage.flow_uuid,
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url=None,
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exchange='default',
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topics=[],
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transport=None,
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transport_options=None,
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transition_timeout=mock.ANY,
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retry_options=None,
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worker_expiry=mock.ANY)
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]
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self.assertEqual(expected_calls, self.master_mock.mock_calls)
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def test_creation_custom(self):
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executor_mock, executor_inst_mock = self._patch_in_executor()
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topics = ['test-topic1', 'test-topic2']
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exchange = 'test-exchange'
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broker_url = 'test-url'
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eng = self._create_engine(
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url=broker_url,
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exchange=exchange,
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transport='memory',
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transport_options={},
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transition_timeout=200,
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topics=topics,
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retry_options={},
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worker_expiry=1)
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expected_calls = [
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mock.call.executor_class(uuid=eng.storage.flow_uuid,
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url=broker_url,
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exchange=exchange,
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topics=topics,
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transport='memory',
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transport_options={},
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transition_timeout=200,
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retry_options={},
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worker_expiry=1)
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]
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self.assertEqual(expected_calls, self.master_mock.mock_calls)
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def test_creation_custom_executor(self):
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ex = executor.WorkerTaskExecutor('a', 'test-exchange', ['test-topic'])
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eng = self._create_engine(executor=ex)
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self.assertIs(eng._task_executor, ex)
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self.assertIsInstance(eng._task_executor, executor.WorkerTaskExecutor)
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def test_creation_invalid_custom_executor(self):
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self.assertRaises(TypeError, self._create_engine, executor=2)
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self.assertRaises(TypeError, self._create_engine, executor='blah')
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