14ecaa4550
Since asserts can be silenced using -0 and/or compiled out we want to be more strict here and raise value errors when the expected callable objects/functions are not actually callable. Change-Id: Ib14e2e7329dbfcce50660f144ad4780d99f36854
110 lines
3.4 KiB
Python
110 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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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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import collections
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import functools
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from taskflow import states
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from taskflow import test
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from taskflow.types import notifier as nt
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class NotifierTest(test.TestCase):
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def test_notify_called(self):
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call_collector = []
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def call_me(state, details):
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call_collector.append((state, details))
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notifier = nt.Notifier()
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notifier.register(nt.Notifier.ANY, call_me)
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notifier.notify(states.SUCCESS, {})
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notifier.notify(states.SUCCESS, {})
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self.assertEqual(2, len(call_collector))
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self.assertEqual(1, len(notifier))
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def test_notify_register_deregister(self):
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def call_me(state, details):
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pass
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class A(object):
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def call_me_too(self, state, details):
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pass
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notifier = nt.Notifier()
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notifier.register(nt.Notifier.ANY, call_me)
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a = A()
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notifier.register(nt.Notifier.ANY, a.call_me_too)
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self.assertEqual(2, len(notifier))
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notifier.deregister(nt.Notifier.ANY, call_me)
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notifier.deregister(nt.Notifier.ANY, a.call_me_too)
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self.assertEqual(0, len(notifier))
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def test_notify_reset(self):
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def call_me(state, details):
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pass
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notifier = nt.Notifier()
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notifier.register(nt.Notifier.ANY, call_me)
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self.assertEqual(1, len(notifier))
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notifier.reset()
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self.assertEqual(0, len(notifier))
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def test_bad_notify(self):
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def call_me(state, details):
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pass
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notifier = nt.Notifier()
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self.assertRaises(KeyError, notifier.register,
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nt.Notifier.ANY, call_me,
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kwargs={'details': 5})
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def test_not_callable(self):
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notifier = nt.Notifier()
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self.assertRaises(ValueError, notifier.register,
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nt.Notifier.ANY, 2)
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def test_selective_notify(self):
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call_counts = collections.defaultdict(list)
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def call_me_on(registered_state, state, details):
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call_counts[registered_state].append((state, details))
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notifier = nt.Notifier()
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notifier.register(states.SUCCESS,
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functools.partial(call_me_on, states.SUCCESS))
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notifier.register(nt.Notifier.ANY,
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functools.partial(call_me_on,
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nt.Notifier.ANY))
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self.assertEqual(2, len(notifier))
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notifier.notify(states.SUCCESS, {})
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self.assertEqual(1, len(call_counts[nt.Notifier.ANY]))
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self.assertEqual(1, len(call_counts[states.SUCCESS]))
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notifier.notify(states.FAILURE, {})
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self.assertEqual(2, len(call_counts[nt.Notifier.ANY]))
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self.assertEqual(1, len(call_counts[states.SUCCESS]))
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self.assertEqual(2, len(call_counts))
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