d4609ef3d0
Move code that gets callable args from functor task to utils.py and enhance it to support more use cases. We do not rely on naming conventions for 'self' and 'cls' parameters any more; we look at the collable if it is bound method instead. Change-Id: Ie1a9a7cc727b5fbc2780aba28b1d0253e5bc0ea4
127 lines
3.8 KiB
Python
127 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 2012-2013 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 import decorators
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from taskflow.patterns import linear_flow
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from taskflow import test
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class WrapableObjectsTest(test.TestCase):
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def test_simple_function(self):
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values = []
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def revert_one(*args, **kwargs):
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values.append('revert one')
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@decorators.task(revert_with=revert_one)
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def run_one(*args, **kwargs):
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values.append('one')
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@decorators.task
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def run_fail(*args, **kwargs):
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values.append('fail')
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raise RuntimeError('Woot!')
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flow = linear_flow.Flow('test')
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flow.add_many((
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run_one,
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run_fail
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))
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with self.assertRaisesRegexp(RuntimeError, '^Woot'):
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flow.run(None)
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self.assertEquals(values, ['one', 'fail', 'revert one'])
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def test_simple_method(self):
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class MyTasks(object):
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def __init__(self):
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# NOTE(imelnikov): that's really *bad thing* to pass
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# data between task like this; though, its good enough
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# for our testing here
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self.values = []
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@decorators.task
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def run_one(self, *args, **kwargs):
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self.values.append('one')
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@decorators.task
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def run_fail(self, *args, **kwargs):
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self.values.append('fail')
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raise RuntimeError('Woot!')
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tasks = MyTasks()
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flow = linear_flow.Flow('test')
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flow.add_many((
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tasks.run_one,
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tasks.run_fail
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))
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with self.assertRaisesRegexp(RuntimeError, '^Woot'):
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flow.run(None)
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self.assertEquals(tasks.values, ['one', 'fail'])
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def test_static_method(self):
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values = []
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class MyTasks(object):
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@decorators.task
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@staticmethod
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def run_one(*args, **kwargs):
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values.append('one')
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# NOTE(imelnikov): decorators should work in any order:
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@staticmethod
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@decorators.task
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def run_fail(*args, **kwargs):
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values.append('fail')
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raise RuntimeError('Woot!')
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flow = linear_flow.Flow('test')
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flow.add_many((
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MyTasks.run_one,
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MyTasks.run_fail
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))
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with self.assertRaisesRegexp(RuntimeError, '^Woot'):
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flow.run(None)
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self.assertEquals(values, ['one', 'fail'])
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def test_class_method(self):
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class MyTasks(object):
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values = []
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@decorators.task
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@classmethod
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def run_one(cls, *args, **kwargs):
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cls.values.append('one')
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# NOTE(imelnikov): decorators should work in any order:
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@classmethod
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@decorators.task
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def run_fail(cls, *args, **kwargs):
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cls.values.append('fail')
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raise RuntimeError('Woot!')
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flow = linear_flow.Flow('test')
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flow.add_many((
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MyTasks.run_one,
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MyTasks.run_fail
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))
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with self.assertRaisesRegexp(RuntimeError, '^Woot'):
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flow.run(None)
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self.assertEquals(MyTasks.values, ['one', 'fail'])
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