141 lines
5.2 KiB
Python
141 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2012 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 taskflow.engines
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from taskflow import exceptions as exc
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from taskflow import test
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from taskflow.tests import utils
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class ArgumentsPassingTest(utils.EngineTestBase):
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def test_save_as(self):
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flow = utils.TaskOneReturn(name='task1', provides='first_data')
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engine = self._make_engine(flow)
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engine.run()
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self.assertEqual(engine.storage.fetch_all(), {'first_data': 1})
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def test_save_all_in_one(self):
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flow = utils.TaskMultiReturn(provides='all_data')
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engine = self._make_engine(flow)
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engine.run()
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self.assertEqual(engine.storage.fetch_all(),
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{'all_data': (1, 3, 5)})
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def test_save_several_values(self):
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flow = utils.TaskMultiReturn(provides=('badger', 'mushroom', 'snake'))
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engine = self._make_engine(flow)
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engine.run()
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self.assertEqual(engine.storage.fetch_all(), {
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'badger': 1,
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'mushroom': 3,
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'snake': 5
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})
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def test_save_dict(self):
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flow = utils.TaskMultiDict(provides=set(['badger',
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'mushroom',
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'snake']))
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engine = self._make_engine(flow)
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engine.run()
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self.assertEqual(engine.storage.fetch_all(), {
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'badger': 0,
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'mushroom': 1,
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'snake': 2,
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})
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def test_bad_save_as_value(self):
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self.assertRaises(TypeError,
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utils.TaskOneReturn,
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name='task1', provides=object())
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def test_arguments_passing(self):
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flow = utils.TaskMultiArgOneReturn(provides='result')
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engine = self._make_engine(flow)
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engine.storage.inject({'x': 1, 'y': 4, 'z': 9, 'a': 17})
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engine.run()
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self.assertEqual(engine.storage.fetch_all(), {
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'x': 1, 'y': 4, 'z': 9, 'a': 17,
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'result': 14,
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})
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def test_arguments_missing(self):
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flow = utils.TaskMultiArg()
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engine = self._make_engine(flow)
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engine.storage.inject({'a': 1, 'b': 4, 'x': 17})
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self.assertRaises(exc.MissingDependencies, engine.run)
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def test_partial_arguments_mapping(self):
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flow = utils.TaskMultiArgOneReturn(provides='result',
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rebind={'x': 'a'})
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engine = self._make_engine(flow)
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engine.storage.inject({'x': 1, 'y': 4, 'z': 9, 'a': 17})
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engine.run()
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self.assertEqual(engine.storage.fetch_all(), {
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'x': 1, 'y': 4, 'z': 9, 'a': 17,
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'result': 30,
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})
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def test_all_arguments_mapping(self):
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flow = utils.TaskMultiArgOneReturn(provides='result',
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rebind=['a', 'b', 'c'])
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engine = self._make_engine(flow)
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engine.storage.inject({
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'a': 1, 'b': 2, 'c': 3, 'x': 4, 'y': 5, 'z': 6
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})
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engine.run()
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self.assertEqual(engine.storage.fetch_all(), {
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'a': 1, 'b': 2, 'c': 3, 'x': 4, 'y': 5, 'z': 6,
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'result': 6,
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})
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def test_invalid_argument_name_map(self):
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flow = utils.TaskMultiArg(rebind={'z': 'b'})
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engine = self._make_engine(flow)
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engine.storage.inject({'a': 1, 'y': 4, 'c': 9, 'x': 17})
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self.assertRaises(exc.MissingDependencies, engine.run)
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def test_invalid_argument_name_list(self):
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flow = utils.TaskMultiArg(rebind=['a', 'z', 'b'])
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engine = self._make_engine(flow)
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engine.storage.inject({'a': 1, 'b': 4, 'c': 9, 'x': 17})
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self.assertRaises(exc.MissingDependencies, engine.run)
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def test_bad_rebind_args_value(self):
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self.assertRaises(TypeError,
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utils.TaskOneArg,
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rebind=object())
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class SingleThreadedEngineTest(ArgumentsPassingTest,
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test.TestCase):
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def _make_engine(self, flow, flow_detail=None):
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return taskflow.engines.load(flow,
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flow_detail=flow_detail,
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engine_conf='serial',
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backend=self.backend)
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class MultiThreadedEngineTest(ArgumentsPassingTest,
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test.TestCase):
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def _make_engine(self, flow, flow_detail=None, executor=None):
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engine_conf = dict(engine='parallel',
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executor=executor)
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return taskflow.engines.load(flow, flow_detail=flow_detail,
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engine_conf=engine_conf,
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backend=self.backend)
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