First parameter should be the expected value. Change-Id: I06140e4be87663136483d1e7be3bc471fbbbf92b Partial-Bug: #1357117
		
			
				
	
	
		
			129 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.5 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.patterns import unordered_flow as uf
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from taskflow import retry
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from taskflow import test
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from taskflow.tests import utils
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def _task(name, provides=None, requires=None):
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    return utils.ProvidesRequiresTask(name, provides, requires)
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class UnorderedFlowTest(test.TestCase):
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    def test_unordered_flow_starts_as_empty(self):
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        f = uf.Flow('test')
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        self.assertEqual(0, len(f))
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        self.assertEqual([], list(f))
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        self.assertEqual([], list(f.iter_links()))
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        self.assertEqual(set(), f.requires)
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        self.assertEqual(set(), f.provides)
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        expected = 'taskflow.patterns.unordered_flow.Flow: test(len=0)'
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        self.assertEqual(expected, str(f))
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    def test_unordered_flow_add_nothing(self):
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        f = uf.Flow('test')
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        result = f.add()
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        self.assertIs(f, result)
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        self.assertEqual(0, len(f))
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    def test_unordered_flow_one_task(self):
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        f = uf.Flow('test')
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        task = _task(name='task1', requires=['a', 'b'], provides=['c', 'd'])
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        result = f.add(task)
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        self.assertIs(f, result)
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        self.assertEqual(1, len(f))
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        self.assertEqual([task], list(f))
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        self.assertEqual([], list(f.iter_links()))
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        self.assertEqual(set(['a', 'b']), f.requires)
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        self.assertEqual(set(['c', 'd']), f.provides)
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    def test_unordered_flow_two_tasks(self):
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        task1 = _task(name='task1')
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        task2 = _task(name='task2')
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        f = uf.Flow('test').add(task1, task2)
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        self.assertEqual(2, len(f))
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        self.assertEqual(set([task1, task2]), set(f))
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        self.assertEqual([], list(f.iter_links()))
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    def test_unordered_flow_two_tasks_two_different_calls(self):
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        task1 = _task(name='task1', provides=['a'])
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        task2 = _task(name='task2', requires=['a'])
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        f = uf.Flow('test').add(task1)
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        f.add(task2)
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        self.assertEqual(2, len(f))
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        self.assertEqual(set(['a']), f.requires)
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        self.assertEqual(set(['a']), f.provides)
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    def test_unordered_flow_two_tasks_reverse_order(self):
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        task1 = _task(name='task1', provides=['a'])
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        task2 = _task(name='task2', requires=['a'])
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        f = uf.Flow('test').add(task2).add(task1)
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        self.assertEqual(2, len(f))
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        self.assertEqual(set(['a']), f.requires)
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        self.assertEqual(set(['a']), f.provides)
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    def test_unordered_flow_two_task_same_provide(self):
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        task1 = _task(name='task1', provides=['a', 'b'])
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        task2 = _task(name='task2', provides=['a', 'c'])
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        f = uf.Flow('test')
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        f.add(task2, task1)
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        self.assertEqual(2, len(f))
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    def test_unordered_flow_with_retry(self):
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        ret = retry.AlwaysRevert(requires=['a'], provides=['b'])
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        f = uf.Flow('test', ret)
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        self.assertIs(f.retry, ret)
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        self.assertEqual('test_retry', ret.name)
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        self.assertEqual(set(['a']), f.requires)
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        self.assertEqual(set(['b']), f.provides)
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    def test_unordered_flow_with_retry_fully_satisfies(self):
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        ret = retry.AlwaysRevert(provides=['b', 'a'])
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        f = uf.Flow('test', ret)
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        f.add(_task(name='task1', requires=['a']))
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        self.assertIs(f.retry, ret)
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        self.assertEqual('test_retry', ret.name)
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        self.assertEqual(set([]), f.requires)
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        self.assertEqual(set(['b', 'a']), f.provides)
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    def test_iter_nodes(self):
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        task1 = _task(name='task1', provides=['a', 'b'])
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        task2 = _task(name='task2', provides=['a', 'c'])
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        tasks = set([task1, task2])
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        f = uf.Flow('test')
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        f.add(task2, task1)
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        for (node, data) in f.iter_nodes():
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            self.assertTrue(node in tasks)
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            self.assertDictEqual({}, data)
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    def test_iter_links(self):
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        task1 = _task(name='task1', provides=['a', 'b'])
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        task2 = _task(name='task2', provides=['a', 'c'])
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        f = uf.Flow('test')
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        f.add(task2, task1)
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        for (u, v, data) in f.iter_links():
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            raise AssertionError('links iterator should be empty')
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