64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
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# 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 eventlet
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import mock
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from neutron.notifiers import batch_notifier
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from neutron.tests import base
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class TestBatchNotifier(base.BaseTestCase):
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def setUp(self):
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super(TestBatchNotifier, self).setUp()
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self.notifier = batch_notifier.BatchNotifier(0.1, lambda x: x)
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self.spawn_n_p = mock.patch('eventlet.spawn_n')
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self.spawn_n = self.spawn_n_p.start()
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def test_queue_event_no_event(self):
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self.notifier.queue_event(None)
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self.assertEqual(0, len(self.notifier.pending_events))
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self.assertEqual(0, self.spawn_n.call_count)
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def test_queue_event_first_event(self):
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self.notifier.queue_event(mock.Mock())
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self.assertEqual(1, len(self.notifier.pending_events))
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self.assertEqual(1, self.spawn_n.call_count)
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def test_queue_event_multiple_events(self):
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self.spawn_n_p.stop()
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c_mock = mock.patch.object(self.notifier, 'callback').start()
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events = 6
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for i in range(0, events):
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self.notifier.queue_event(mock.Mock())
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eventlet.sleep(0) # yield to let coro execute
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while self.notifier.pending_events:
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# wait for coroutines to finish
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eventlet.sleep(0.1)
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self.assertEqual(2, c_mock.call_count)
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self.assertEqual(6, sum(len(c[0][0]) for c in c_mock.call_args_list))
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self.assertEqual(0, len(self.notifier.pending_events))
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def test_queue_event_call_send_events(self):
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with mock.patch.object(self.notifier,
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'callback') as send_events:
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self.spawn_n.side_effect = lambda func: func()
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self.notifier.queue_event(mock.Mock())
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while self.notifier.pending_events:
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# wait for coroutines to finish
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eventlet.sleep(0.1)
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self.assertTrue(send_events.called)
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