c73c097560
Provides and requires properties are used to browse all required and provided values for the whole Flow. The same properties were added to the Task. Appropriate Task properties were renamed to rebind and save_as. Change-Id: I02eb02303a9701a13f1a54f06f20bbf9aebd1d04
152 lines
4.5 KiB
Python
152 lines
4.5 KiB
Python
# -*- coding: utf-8 -*-
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (C) 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 task
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from taskflow import test
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class MyTask(task.Task):
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def execute(self, context, spam, eggs):
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pass
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class KwargsTask(task.Task):
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def execute(self, spam, **kwargs):
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pass
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class TaskTestCase(test.TestCase):
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def test_passed_name(self):
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my_task = MyTask(name='my name')
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self.assertEquals(my_task.name, 'my name')
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def test_generated_name(self):
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my_task = MyTask()
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self.assertEquals(my_task.name,
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'%s.%s' % (__name__, 'MyTask'))
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def test_no_provides(self):
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my_task = MyTask()
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self.assertEquals(my_task.save_as, {})
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def test_provides(self):
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my_task = MyTask(provides='food')
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self.assertEquals(my_task.save_as, {'food': None})
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def test_multi_provides(self):
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my_task = MyTask(provides=('food', 'water'))
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self.assertEquals(my_task.save_as, {'food': 0, 'water': 1})
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def test_unpack(self):
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my_task = MyTask(provides=('food',))
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self.assertEquals(my_task.save_as, {'food': 0})
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def test_bad_provides(self):
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with self.assertRaisesRegexp(TypeError, '^Task provides'):
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MyTask(provides=object())
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def test_requires_by_default(self):
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my_task = MyTask()
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self.assertEquals(my_task.rebind, {
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'spam': 'spam',
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'eggs': 'eggs',
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'context': 'context'
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})
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def test_requires_amended(self):
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my_task = MyTask(requires=('spam', 'eggs'))
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self.assertEquals(my_task.rebind, {
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'spam': 'spam',
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'eggs': 'eggs',
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'context': 'context'
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})
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def test_requires_explicit(self):
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my_task = MyTask(auto_extract=False,
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requires=('spam', 'eggs', 'context'))
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self.assertEquals(my_task.rebind, {
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'spam': 'spam',
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'eggs': 'eggs',
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'context': 'context'
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})
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def test_requires_explicit_not_enough(self):
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with self.assertRaisesRegexp(ValueError, '^Missing arguments'):
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MyTask(auto_extract=False, requires=('spam', 'eggs'))
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def test_rebind_all_args(self):
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my_task = MyTask(rebind={'spam': 'a', 'eggs': 'b', 'context': 'c'})
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self.assertEquals(my_task.rebind, {
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'spam': 'a',
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'eggs': 'b',
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'context': 'c'
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})
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def test_rebind_partial(self):
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my_task = MyTask(rebind={'spam': 'a', 'eggs': 'b'})
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self.assertEquals(my_task.rebind, {
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'spam': 'a',
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'eggs': 'b',
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'context': 'context'
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})
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def test_rebind_unknown(self):
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with self.assertRaisesRegexp(ValueError, '^Extra arguments'):
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MyTask(rebind={'foo': 'bar'})
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def test_rebind_unknown_kwargs(self):
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task = KwargsTask(rebind={'foo': 'bar'})
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self.assertEquals(task.rebind, {
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'foo': 'bar',
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'spam': 'spam'
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})
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def test_rebind_list_all(self):
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my_task = MyTask(rebind=('a', 'b', 'c'))
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self.assertEquals(my_task.rebind, {
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'context': 'a',
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'spam': 'b',
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'eggs': 'c'
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})
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def test_rebind_list_partial(self):
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my_task = MyTask(rebind=('a', 'b'))
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self.assertEquals(my_task.rebind, {
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'context': 'a',
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'spam': 'b',
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'eggs': 'eggs'
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})
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def test_rebind_list_more(self):
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with self.assertRaisesRegexp(ValueError, '^Extra arguments'):
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MyTask(rebind=('a', 'b', 'c', 'd'))
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def test_rebind_list_more_kwargs(self):
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task = KwargsTask(rebind=('a', 'b', 'c'))
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self.assertEquals(task.rebind, {
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'spam': 'a',
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'b': 'b',
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'c': 'c'
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})
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def test_rebind_list_bad_value(self):
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with self.assertRaisesRegexp(TypeError, '^Invalid rebind value:'):
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MyTask(rebind=object())
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