8260553e2a
Fixes bug lp901375 The notification system in Nova is built on top of nova.rpc. It uses a set of defaults for queues that isn't ideal for notification queues. This change makes the notification queue durable across restarts. Change-Id: I14c4d5da8d8af027b7d11631f3ac7707f2611a20
144 lines
4.8 KiB
Python
144 lines
4.8 KiB
Python
# Copyright 2011 OpenStack LLC.
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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 stubout
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import nova
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from nova import context
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from nova import flags
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from nova import log
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from nova import rpc
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import nova.notifier.api
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from nova.notifier.api import notify
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from nova.notifier import no_op_notifier
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from nova.notifier import rabbit_notifier
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from nova.rpc import impl_kombu
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from nova import test
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class NotifierTestCase(test.TestCase):
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"""Test case for notifications"""
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def setUp(self):
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super(NotifierTestCase, self).setUp()
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self.stubs = stubout.StubOutForTesting()
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def tearDown(self):
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self.stubs.UnsetAll()
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super(NotifierTestCase, self).tearDown()
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def test_send_notification(self):
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self.notify_called = False
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def mock_notify(cls, *args):
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self.notify_called = True
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self.stubs.Set(nova.notifier.no_op_notifier, 'notify',
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mock_notify)
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notify('publisher_id', 'event_type',
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nova.notifier.api.WARN, dict(a=3))
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self.assertEqual(self.notify_called, True)
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def test_verify_message_format(self):
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"""A test to ensure changing the message format is prohibitively
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annoying"""
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def message_assert(message):
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fields = [('publisher_id', 'publisher_id'),
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('event_type', 'event_type'),
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('priority', 'WARN'),
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('payload', dict(a=3))]
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for k, v in fields:
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self.assertEqual(message[k], v)
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self.assertTrue(len(message['message_id']) > 0)
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self.assertTrue(len(message['timestamp']) > 0)
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self.stubs.Set(nova.notifier.no_op_notifier, 'notify',
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message_assert)
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notify('publisher_id', 'event_type',
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nova.notifier.api.WARN, dict(a=3))
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def test_send_rabbit_notification(self):
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self.stubs.Set(nova.flags.FLAGS, 'notification_driver',
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'nova.notifier.rabbit_notifier')
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self.mock_notify = False
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def mock_notify(cls, *args):
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self.mock_notify = True
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self.stubs.Set(nova.rpc, 'notify', mock_notify)
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notify('publisher_id', 'event_type',
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nova.notifier.api.WARN, dict(a=3))
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self.assertEqual(self.mock_notify, True)
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def test_invalid_priority(self):
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self.assertRaises(nova.notifier.api.BadPriorityException,
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notify, 'publisher_id',
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'event_type', 'not a priority', dict(a=3))
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def test_rabbit_priority_queue(self):
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self.stubs.Set(nova.flags.FLAGS, 'notification_driver',
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'nova.notifier.rabbit_notifier')
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self.stubs.Set(nova.flags.FLAGS, 'notification_topic',
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'testnotify')
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self.test_topic = None
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def mock_notify(context, topic, msg):
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self.test_topic = topic
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self.stubs.Set(nova.rpc, 'notify', mock_notify)
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notify('publisher_id', 'event_type', 'DEBUG', dict(a=3))
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self.assertEqual(self.test_topic, 'testnotify.debug')
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def test_error_notification(self):
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self.stubs.Set(nova.flags.FLAGS, 'notification_driver',
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'nova.notifier.rabbit_notifier')
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self.stubs.Set(nova.flags.FLAGS, 'publish_errors', True)
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LOG = log.getLogger('nova')
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LOG.setup_from_flags()
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msgs = []
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def mock_notify(context, topic, data):
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msgs.append(data)
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self.stubs.Set(nova.rpc, 'notify', mock_notify)
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LOG.error('foo')
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self.assertEqual(1, len(msgs))
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msg = msgs[0]
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self.assertEqual(msg['event_type'], 'error_notification')
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self.assertEqual(msg['priority'], 'ERROR')
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self.assertEqual(msg['payload']['error'], 'foo')
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def test_send_notification_by_decorator(self):
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self.notify_called = False
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def example_api(arg1, arg2):
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return arg1 + arg2
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example_api = nova.notifier.api.notify_decorator(
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'example_api',
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example_api)
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def mock_notify(cls, *args):
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self.notify_called = True
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self.stubs.Set(nova.notifier.no_op_notifier, 'notify',
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mock_notify)
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self.assertEqual(3, example_api(1, 2))
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self.assertEqual(self.notify_called, True)
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