213 lines
7.7 KiB
Python
213 lines
7.7 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_not_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(nt.Notifier.ANY, {})
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self.assertFalse(notifier.can_trigger_notification(nt.Notifier.ANY))
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self.assertEqual(0, 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_restricted_notifier(self):
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notifier = nt.RestrictedNotifier(['a', 'b'])
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self.assertRaises(ValueError, notifier.register,
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'c', lambda *args, **kargs: None)
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notifier.register('b', lambda *args, **kargs: None)
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self.assertEqual(1, len(notifier))
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def test_restricted_notifier_any(self):
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notifier = nt.RestrictedNotifier(['a', 'b'])
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self.assertRaises(ValueError, notifier.register,
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'c', lambda *args, **kargs: None)
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notifier.register('b', lambda *args, **kargs: None)
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self.assertEqual(1, len(notifier))
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notifier.register(nt.RestrictedNotifier.ANY,
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lambda *args, **kargs: None)
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self.assertEqual(2, len(notifier))
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def test_restricted_notifier_no_any(self):
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notifier = nt.RestrictedNotifier(['a', 'b'], allow_any=False)
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self.assertRaises(ValueError, notifier.register,
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nt.RestrictedNotifier.ANY,
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lambda *args, **kargs: None)
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notifier.register('b', lambda *args, **kargs: None)
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self.assertEqual(1, len(notifier))
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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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call_me_on_success = functools.partial(call_me_on, states.SUCCESS)
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notifier.register(states.SUCCESS, call_me_on_success)
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self.assertTrue(notifier.is_registered(states.SUCCESS,
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call_me_on_success))
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call_me_on_any = functools.partial(call_me_on, nt.Notifier.ANY)
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notifier.register(nt.Notifier.ANY, call_me_on_any)
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self.assertTrue(notifier.is_registered(nt.Notifier.ANY,
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call_me_on_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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def test_details_filter(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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def when_red(details):
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return details.get('color') == 'red'
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notifier = nt.Notifier()
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call_me_on_success = functools.partial(call_me_on, states.SUCCESS)
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notifier.register(states.SUCCESS, call_me_on_success,
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details_filter=when_red)
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self.assertEqual(1, len(notifier))
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self.assertTrue(notifier.is_registered(
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states.SUCCESS, call_me_on_success, details_filter=when_red))
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notifier.notify(states.SUCCESS, {})
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self.assertEqual(0, len(call_counts[states.SUCCESS]))
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notifier.notify(states.SUCCESS, {'color': 'red'})
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self.assertEqual(1, len(call_counts[states.SUCCESS]))
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notifier.notify(states.SUCCESS, {'color': 'green'})
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self.assertEqual(1, len(call_counts[states.SUCCESS]))
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def test_different_details_filter(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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def when_red(details):
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return details.get('color') == 'red'
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def when_blue(details):
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return details.get('color') == 'blue'
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notifier = nt.Notifier()
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call_me_on_success = functools.partial(call_me_on, states.SUCCESS)
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notifier.register(states.SUCCESS, call_me_on_success,
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details_filter=when_red)
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notifier.register(states.SUCCESS, call_me_on_success,
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details_filter=when_blue)
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self.assertEqual(2, len(notifier))
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self.assertTrue(notifier.is_registered(
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states.SUCCESS, call_me_on_success, details_filter=when_blue))
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self.assertTrue(notifier.is_registered(
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states.SUCCESS, call_me_on_success, details_filter=when_red))
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notifier.notify(states.SUCCESS, {})
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self.assertEqual(0, len(call_counts[states.SUCCESS]))
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notifier.notify(states.SUCCESS, {'color': 'red'})
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self.assertEqual(1, len(call_counts[states.SUCCESS]))
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notifier.notify(states.SUCCESS, {'color': 'blue'})
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self.assertEqual(2, len(call_counts[states.SUCCESS]))
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notifier.notify(states.SUCCESS, {'color': 'green'})
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self.assertEqual(2, len(call_counts[states.SUCCESS]))
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