def test_handle_exception_on_connection_error(self):
rabbit_mq_mock = self._mock_rabbit_mq_client(
[ConnectionClosed(), True])
handler = UpdateExceptionHandler()
handler.handle_exception('DriverName', {'data': 'test'})
self.assertEqual(2, rabbit_mq_mock.call_count)
def test_SubscribeBadSingleQueueCreate(self, pikaMock):
# ConnectionClosed
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[ConnectionClosed(1, "Boom"), pikaMock.return_value.channel.return_value.queue_declare.return_value]
self.broker = self._getBroker()
exchange = "testExchange"
topic1 = "topic.one"
topics = [topic1]
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.unsubscribe()
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[ChannelClosed(1, "Boom"), pikaMock.return_value.channel.return_value.queue_declare.return_value]
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.unsubscribe()
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[ChannelError("Boom"), pikaMock.return_value.channel.return_value.queue_declare.return_value]
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.unsubscribe()
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[AMQPConnectionError("Boom"), pikaMock.return_value.channel.return_value.queue_declare.return_value]
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.unsubscribe()
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[AttributeError("Boom"), pikaMock.return_value.channel.return_value.queue_declare.return_value]
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.unsubscribe()
self.broker.disconnect()
def test_SubscribeBadDoubleQueueCreate(self, pikaMock):
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[ConnectionClosed(1, "Boom"), ConnectionClosed(1, "Boom2")]
self.broker = self._getBroker()
exchange = "testExchange"
topic1 = "topic.one"
topics = [topic1]
with self.assertRaises(ConnectionClosed):
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[ChannelClosed(1, "Boom"), ChannelClosed(1, "Boom2")]
with self.assertRaises(ChannelClosed):
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[ChannelError("Boom"), ChannelError("Boom2")]
with self.assertRaises(ChannelError):
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[AMQPConnectionError("Boom"), AMQPConnectionError("Boom2")]
with self.assertRaises(AMQPConnectionError):
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.disconnect()
pikaMock.return_value.channel.return_value.queue_declare.side_effect=[AttributeError("Boom"), AttributeError("Boom2")]
with self.assertRaises(AttributeError):
self.broker.subscribe(self.testCallback, topics, exchange)
self.broker.disconnect()
def notify_futures(self, connection, code, msg):
try:
for protocol in self.protocols.values():
protocol.resolve.set_exception(ConnectionClosed())
finally:
self.connection.ioloop.stop()
def test_connection_closed_while_creating(self, mock_sleep,
mock_blocking_connection):
mock_blocking_connection.side_effect = ConnectionClosed(
reply_code=200, reply_text='Normal Shutdown')
with self.assertRaises(ConnectionClosed):
connection = self.pool.create()
self.pool.log.critical.assert_called_once()
self.assertEqual(self.mock_sleep.call_count,
CONNECTION_RETRIES - 1)
def test_connect_errs_upon_exception(self, bc_mock, log_mock):
bc_mock.side_effect = ConnectionClosed('Connection refused')
self.broker.connect()
self.assertEqual(self.cp_mock.call_count, 2)
bc_mock.assert_called_once_with(self.params)
self.bc_mock.assert_called_once()
log_mock.error.assert_called_once()
self.assertIsNone(self.broker.connection)
self.assertIsNone(self.broker.channel)
def teardown_loop(self, connection, code, msg):
"""
Connection close callback. By default notify all waiting threads
about connection state, then teardown event loop.
"""
try:
self.protocol_error(ConnectionClosed())
finally:
self.connection.ioloop.stop()
def test_on_open_closed(self, mock_cxn: mock.MagicMock) -> None:
with self.assertLogs("zulip.queue", "WARNING") as m:
connection = TornadoQueueClient()
connection.connection.channel.side_effect = ConnectionClosed("500", "test")
connection._on_open(mock.MagicMock())
self.assertEqual(
m.output,
[
"WARNING:zulip.queue:TornadoQueueClient couldn't open channel: connection already closed"
],
)
def notify_futures(self, connection, code, msg):
"""
Connection close callback. By default notify all waiting threads
about connection state, then teardown event loop.
"""
try:
for protocol in self.protocols.values():
protocol.resolve.set_exception(ConnectionClosed())
finally:
self.connection.ioloop.stop()
def connection_lost(self, reason):
# Let the caller know there's been an error
d, self.ready = self.ready, None
if d:
# reason == None means that connection closed by this side or EOF is received
# anyway, it is closed, and we should report it to caller,
# because future.result() does not raise after future.set_exception(None)
if reason is None:
reason = ConnectionClosed('Connection was closed')
d.set_exception(reason)
else:
# Let client to handle disconnect
if self.connection_lost_callback:
self.connection_lost_callback(reason)
def _publish(self, message, force_new_channel=False):
try:
channel = self._get_channel(force=force_new_channel)
channel.basic_publish(
exchange='',
routing_key=settings.CHAT_AMQP_QUEUE,
body=message,
)
except ConnectionClosed:
# Tries to reopen channel and publish again.
# If channel already was reopened, than it not helpes and we should
# pass ConnectionClosed exception.
if not force_new_channel:
self._publish(message, force_new_channel=True)
else:
raise ConnectionClosed()
def on_connection_closed(self, connection, code, msg):
"""
Connection close callback. By default notify all waiting threads
about connection state, then teardown event loop or try to reconnect.
"""
try:
self.protocol_error(ConnectionClosed())
except:
logger.warning(
'Exception when notifying threads about closed '
'connection',
exc_info=True)
if self.connection.is_closing:
self.connection.ioloop.stop()
else:
logger.info('Connection closed, reopening in 5 seconds')
self.connection.add_timeout(5, self.reconnect)
def test_on_open_closed(self, mock_cxn: mock.MagicMock,
mock_get_logger: mock.MagicMock) -> None:
connection = TornadoQueueClient()
connection.connection.channel.side_effect = ConnectionClosed(
'500', 'test')
connection._on_open(mock.MagicMock())
class WhenConnectionClosedRaised(_BaseProcessingErrorTestCase):
exc = ConnectionClosed(sentinel.arg0, sentinel.arg1)
def should_reconnect(self):
self.agent.reconnect.assert_called_once_with()
def test_on_open_closed(self, mock_cxn: mock.MagicMock) -> None:
with self.assertLogs('zulip.queue', 'WARNING') as m:
connection = TornadoQueueClient()
connection.connection.channel.side_effect = ConnectionClosed('500', 'test')
connection._on_open(mock.MagicMock())
self.assertEqual(m.output, ['WARNING:zulip.queue:TornadoQueueClient couldn\'t open channel: connection already closed'])
