/usr/share/pyshared/glance/tests/unit/test_notifier.py is in python-glance 2012.1.3+stable~20120821-120fcf-0ubuntu1.5.
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# Copyright 2011 OpenStack, LLC
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import json
import logging
import unittest
import kombu.entity
import mox
try:
import qpid
import qpid.messaging
except ImportError:
qpid = None
import stubout
from glance.common import exception
from glance.common import utils as common_utils
from glance import notifier
import glance.notifier.notify_kombu
from glance.tests import utils
class TestInvalidNotifier(unittest.TestCase):
"""Test that notifications are generated appropriately"""
def test_cannot_create(self):
conf = utils.TestConfigOpts({"notifier_strategy": "invalid_notifier"})
self.assertRaises(exception.InvalidNotifierStrategy,
notifier.Notifier,
conf)
class TestLoggingNotifier(unittest.TestCase):
"""Test the logging notifier is selected and works properly."""
def setUp(self):
conf = utils.TestConfigOpts({"notifier_strategy": "logging"})
self.called = False
self.logger = logging.getLogger("glance.notifier.logging_notifier")
self.notifier = notifier.Notifier(conf)
def _called(self, msg):
self.called = msg
def test_warn(self):
self.logger.warn = self._called
self.notifier.warn("test_event", "test_message")
if self.called is False:
self.fail("Did not call logging library correctly.")
def test_info(self):
self.logger.info = self._called
self.notifier.info("test_event", "test_message")
if self.called is False:
self.fail("Did not call logging library correctly.")
def test_erorr(self):
self.logger.error = self._called
self.notifier.error("test_event", "test_message")
if self.called is False:
self.fail("Did not call logging library correctly.")
class TestNoopNotifier(unittest.TestCase):
"""Test that the noop notifier works...and does nothing?"""
def setUp(self):
conf = utils.TestConfigOpts({"notifier_strategy": "noop"})
self.notifier = notifier.Notifier(conf)
def test_warn(self):
self.notifier.warn("test_event", "test_message")
def test_info(self):
self.notifier.info("test_event", "test_message")
def test_error(self):
self.notifier.error("test_event", "test_message")
class TestRabbitNotifier(unittest.TestCase):
"""Test AMQP/Rabbit notifier works."""
def setUp(self):
def _fake_connect(rabbit_self):
rabbit_self.connection_errors = ()
rabbit_self.connection = 'fake_connection'
return None
self.notify_kombu = common_utils.import_object(
"glance.notifier.notify_kombu")
self.notify_kombu.RabbitStrategy._send_message = self._send_message
self.notify_kombu.RabbitStrategy._connect = _fake_connect
self.called = False
self.conf = utils.TestConfigOpts({"notifier_strategy": "rabbit",
"rabbit_retry_backoff": 0,
"rabbit_notification_topic":
"fake_topic"})
self.notifier = notifier.Notifier(self.conf)
def _send_message(self, message, routing_key):
self.called = {
"message": message,
"routing_key": routing_key,
}
def test_warn(self):
self.notifier.warn("test_event", "test_message")
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("WARN", self.called["message"]["priority"])
self.assertEquals("fake_topic.warn", self.called["routing_key"])
def test_info(self):
self.notifier.info("test_event", "test_message")
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("INFO", self.called["message"]["priority"])
self.assertEquals("fake_topic.info", self.called["routing_key"])
def test_error(self):
self.notifier.error("test_event", "test_message")
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("ERROR", self.called["message"]["priority"])
self.assertEquals("fake_topic.error", self.called["routing_key"])
def test_unknown_error_on_connect_raises(self):
class MyException(Exception):
pass
def _connect(self):
self.connection_errors = ()
raise MyException('meow')
self.notify_kombu.RabbitStrategy._connect = _connect
self.assertRaises(MyException, notifier.Notifier, self.conf)
def test_timeout_on_connect_reconnects(self):
info = {'num_called': 0}
def _connect(rabbit_self):
rabbit_self.connection_errors = ()
info['num_called'] += 1
if info['num_called'] == 1:
raise Exception('foo timeout foo')
rabbit_self.connection = 'fake_connection'
self.notify_kombu.RabbitStrategy._connect = _connect
notifier_ = notifier.Notifier(self.conf)
notifier_.error('test_event', 'test_message')
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("ERROR", self.called["message"]["priority"])
self.assertEquals(info['num_called'], 2)
def test_connection_error_on_connect_reconnects(self):
info = {'num_called': 0}
class MyException(Exception):
pass
def _connect(rabbit_self):
rabbit_self.connection_errors = (MyException, )
info['num_called'] += 1
if info['num_called'] == 1:
raise MyException('meow')
rabbit_self.connection = 'fake_connection'
self.notify_kombu.RabbitStrategy._connect = _connect
notifier_ = notifier.Notifier(self.conf)
notifier_.error('test_event', 'test_message')
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("ERROR", self.called["message"]["priority"])
self.assertEquals(info['num_called'], 2)
def test_unknown_error_on_send_message_raises(self):
class MyException(Exception):
pass
def _send_message(rabbit_self, msg, routing_key):
raise MyException('meow')
self.notify_kombu.RabbitStrategy._send_message = _send_message
notifier_ = notifier.Notifier(self.conf)
self.assertRaises(MyException, notifier_.error, 'a', 'b')
def test_timeout_on_send_message_reconnects(self):
info = {'send_called': 0, 'conn_called': 0}
def _connect(rabbit_self):
info['conn_called'] += 1
rabbit_self.connection_errors = ()
rabbit_self.connection = 'fake_connection'
def _send_message(rabbit_self, msg, routing_key):
info['send_called'] += 1
if info['send_called'] == 1:
raise Exception('foo timeout foo')
self._send_message(msg, routing_key)
self.notify_kombu.RabbitStrategy._connect = _connect
self.notify_kombu.RabbitStrategy._send_message = _send_message
notifier_ = notifier.Notifier(self.conf)
notifier_.error('test_event', 'test_message')
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("ERROR", self.called["message"]["priority"])
self.assertEquals(info['send_called'], 2)
self.assertEquals(info['conn_called'], 2)
def test_connection_error_on_send_message_reconnects(self):
info = {'send_called': 0, 'conn_called': 0}
class MyException(Exception):
pass
def _connect(rabbit_self):
info['conn_called'] += 1
rabbit_self.connection_errors = (MyException, )
rabbit_self.connection = 'fake_connection'
def _send_message(rabbit_self, msg, routing_key):
info['send_called'] += 1
if info['send_called'] == 1:
raise MyException('meow')
self._send_message(msg, routing_key)
self.notify_kombu.RabbitStrategy._connect = _connect
self.notify_kombu.RabbitStrategy._send_message = _send_message
notifier_ = notifier.Notifier(self.conf)
notifier_.error('test_event', 'test_message')
if self.called is False:
self.fail("Did not call _send_message properly.")
self.assertEquals("test_message", self.called["message"]["payload"])
self.assertEquals("ERROR", self.called["message"]["priority"])
self.assertEquals(info['send_called'], 2)
self.assertEquals(info['conn_called'], 2)
class TestQpidNotifier(unittest.TestCase):
"""Test Qpid notifier."""
def setUp(self):
if not qpid:
return
self.mocker = mox.Mox()
self.mock_connection = None
self.mock_session = None
self.mock_sender = None
self.mock_receiver = None
self.orig_connection = qpid.messaging.Connection
self.orig_session = qpid.messaging.Session
self.orig_sender = qpid.messaging.Sender
self.orig_receiver = qpid.messaging.Receiver
qpid.messaging.Connection = lambda *_x, **_y: self.mock_connection
qpid.messaging.Session = lambda *_x, **_y: self.mock_session
qpid.messaging.Sender = lambda *_x, **_y: self.mock_sender
qpid.messaging.Receiver = lambda *_x, **_y: self.mock_receiver
self.notify_qpid = common_utils.import_object(
"glance.notifier.notify_qpid")
super(TestQpidNotifier, self).setUp()
def tearDown(self):
if not qpid:
return
qpid.messaging.Connection = self.orig_connection
qpid.messaging.Session = self.orig_session
qpid.messaging.Sender = self.orig_sender
qpid.messaging.Receiver = self.orig_receiver
self.mocker.ResetAll()
super(TestQpidNotifier, self).tearDown()
def _test_notify(self, priority):
test_msg = {'a': 'b'}
self.mock_connection = self.mocker.CreateMock(self.orig_connection)
self.mock_session = self.mocker.CreateMock(self.orig_session)
self.mock_sender = self.mocker.CreateMock(self.orig_sender)
self.mock_connection.username = ""
self.mock_connection.open()
self.mock_connection.session().AndReturn(self.mock_session)
for p in ["info", "warn", "error"]:
expected_address = ('glance/glance_notifications.%s ; {"node": '
'{"x-declare": {"auto-delete": true, "durable": false}, '
'"type": "topic"}, "create": "always"}' % p)
self.mock_session.sender(expected_address).AndReturn(
self.mock_sender)
self.mock_sender.send(mox.IgnoreArg())
self.mocker.ReplayAll()
conf = utils.TestConfigOpts({"notifier_strategy": "qpid"})
notifier = self.notify_qpid.QpidStrategy(conf)
if priority == 'info':
notifier.info(test_msg)
elif priority == 'warn':
notifier.warn(test_msg)
elif priority == 'error':
notifier.error(test_msg)
self.mocker.VerifyAll()
@utils.skip_if(qpid is None, "qpid not installed")
def test_info(self):
self._test_notify('info')
@utils.skip_if(qpid is None, "qpid not installed")
def test_warn(self):
self._test_notify('warn')
@utils.skip_if(qpid is None, "qpid not installed")
def test_error(self):
self._test_notify('error')
class TestRabbitContentType(unittest.TestCase):
"""Test AMQP/Rabbit notifier works."""
def setUp(self):
self.stubs = stubout.StubOutForTesting()
def _fake_connect(rabbit_self):
rabbit_self.connection_errors = ()
rabbit_self.connection = 'fake_connection'
rabbit_self.exchange = self._fake_exchange()
return None
def dummy(*args, **kwargs):
pass
self.stubs.Set(kombu.entity.Exchange, 'publish', dummy)
self.stubs.Set(glance.notifier.notify_kombu.RabbitStrategy, '_connect',
_fake_connect)
self.called = False
self.conf = utils.TestConfigOpts({"notifier_strategy": "rabbit",
"rabbit_retry_backoff": 0,
"rabbit_notification_topic":
"fake_topic"})
self.notifier = notifier.Notifier(self.conf)
super(TestRabbitContentType, self).setUp()
def _fake_exchange(self):
class Dummy(object):
class Message(object):
def __init__(message_self, message, content_type):
self.called = {
'message': message,
'content_type': content_type
}
@classmethod
def publish(*args, **kwargs):
pass
return Dummy
def test_content_type_passed(self):
self.notifier.warn("test_event", "test_message")
self.assertEquals(self.called['content_type'], 'application/json')
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