class RabbitMQCnxFixture(AbstractTestFixture):
"""
Mock a message over RabbitMQ
"""
def _get_producer(self):
producer = producers[self._mock_rabbit_connection].acquire(block=True, timeout=2)
self._connections.add(producer.connection)
return producer
def setup(self):
#Note: not a setup_class method, not to conflict with AbstractTestFixture's setup
self._mock_rabbit_connection = BrokerConnection("pyamqp://*****:*****@localhost:5672")
self._connections = {self._mock_rabbit_connection}
self._exchange = Exchange('navitia', durable=True, delivry_mode=2, type='topic')
self._mock_rabbit_connection.connect()
#wait for the cnx to run the test
self._wait_for_rabbitmq_cnx()
def teardown(self):
#we need to release the amqp connection
self._mock_rabbit_connection.release()
def _publish(self, item):
with self._get_producer() as producer:
producer.publish(item, exchange=self._exchange, routing_key=rt_topic, declare=[self._exchange])
def _make_mock_item(self, *args, **kwargs):
"""
method to overload to create a mock object to send over rabbitmq
"""
raise NotImplementedError()
def send_mock(self, *args, **kwargs):
status = self.query_region('status')
last_loaded_data = get_not_null(status['status'], 'last_rt_data_loaded')
item = self._make_mock_item(*args, **kwargs)
self._publish(item)
#we sleep a bit to let kraken reload the data
self._poll_until_reload(last_loaded_data)
def _poll_until_reload(self, previous_val):
"""
poll until the kraken have reloaded its data
check that the last_rt_data_loaded field is different from the first call
"""
Retrying(stop_max_delay=10 * 1000, wait_fixed=100,
retry_on_result=lambda status: get_not_null(status['status'], 'last_rt_data_loaded') == previous_val) \
.call(lambda: self.query_region('status'))
def _wait_for_rabbitmq_cnx(self):
"""
poll until the kraken is connected to rabbitmq
small timeout because it must not be long (otherwise it way be a server configuration problem)
"""
Retrying(stop_max_delay=1 * 1000, wait_fixed=50,
retry_on_result=lambda status: get_not_null(status['status'], 'is_connected_to_rabbitmq') is False) \
.call(lambda: self.query_region('status'))
def get_connection(self, vhost):
if vhost in self.connections:
connection = self.connections[vhost]
else:
connection = BrokerConnection(settings.AMQP_URL + vhost)
if not connection.connected:
connection.connect()
return connection
def test__enter____exit__(self):
conn = BrokerConnection(backend_cls=Backend)
context = conn.__enter__()
self.assertIs(context, conn)
conn.connect()
self.assertTrue(conn.connection.connected)
conn.__exit__()
self.assertIsNone(conn.connection)
conn.close() # again
def test__enter____exit__(self):
conn = BrokerConnection(transport=Transport)
context = conn.__enter__()
self.assertIs(context, conn)
conn.connect()
self.assertTrue(conn.connection.connected)
conn.__exit__()
self.assertIsNone(conn.connection)
conn.close() # again
def test_establish_connection(self):
conn = BrokerConnection(port=5672, backend_cls=Backend)
conn.connect()
self.assertTrue(conn.connection.connected)
self.assertEqual(conn.host, "localhost:5672")
channel = conn.channel()
self.assertTrue(channel.open)
self.assertEqual(conn.drain_events(), "event")
_connection = conn.connection
conn.close()
self.assertFalse(_connection.connected)
self.assertIsInstance(conn.backend, Backend)
def test_close_survives_connerror(self):
class _CustomError(Exception):
pass
class MyTransport(Transport):
connection_errors = (_CustomError, )
def close_connection(self, connection):
raise _CustomError("foo")
conn = BrokerConnection(transport=MyTransport)
conn.connect()
conn.close()
self.assertTrue(conn._closed)
def test_close_survives_connerror(self):
class _CustomError(Exception):
pass
class MyTransport(Transport):
connection_errors = (_CustomError, )
def close_connection(self, connection):
raise _CustomError("foo")
conn = BrokerConnection(transport=MyTransport)
conn.connect()
conn.close()
self.assertTrue(conn._closed)
class Sender():
""" Simple class to wrap the operations needed for an AMQP listener """
def __init__(self, hostname="127.0.0.1", userid="guest", password="******",
virtual_host="/", port=5672, name="", routing_key=""):
""" Setup a connection to the AMQP server, get a channel
and create an exchange.
A specific service listener implementation overrides the name
and routing_key
"""
if name == "":
raise Exception("Name must be non-empty string")
self.name = name
self.routing_key = routing_key
if routing_key == "":
exchange_type = "fanout"
elif "*" in routing_key or "#" in routing_key:
exchange_type = "topic"
else :
exchange_type = "direct"
self.connection = BrokerConnection(hostname=hostname,
userid=userid, password=password,
virtual_host=virtual_host, port=443,
insist=False, ssl=False)
self.channel = self.connection.channel()
self.exchange = Exchange(name=self.name, type=exchange_type, durable=False,
channel=self.channel)
self.connection.connect()
return
def send(self, msg):
""" Publishes a message to the AMQP server
on the initialized exchange
msg is a string, usually a JSON dump
"""
self.exchange.publish(self.exchange.Message(msg), routing_key=self.routing_key)
return
class Listener():
""" Simple class to wrap the operations needed for an AMQP listener """
def __init__(self, hostname="127.0.0.1", userid="guest", password="******",
virtual_host="/", port=5672):
""" Setup a connection to the AMQP server, get a channel
Create a topic exchange, attach a bonded queue to it
and register a consumer callback.
A specific service listener implementation overrides the name
and routing_key
"""
self.connection = BrokerConnection(hostname=hostname,
userid=userid, password=password,
virtual_host=virtual_host, port=port,
insist=False, ssl=False)
self.channel = self.connection.channel()
self.exchange = Exchange(name=self.name, type="topic", durable=True,
channel=self.channel)
self.queue = Queue(self.name, exchange=self.exchange,
routing_key=self.routing_key)
self.queue = self.queue(self.channel)
self.queue.declare()
self.queue.consume(consumer_tag="", callback=self.callback, no_ack=True)
self.connection.connect()
return
def callback(self, msg):
""" This callback is run when a message is recieved """
return
def consume(self):
""" Event loop """
while True:
self.connection.drain_events()
return
class ChaosDisruptionsFixture(AbstractTestFixture):
"""
Mock a chaos disruption message, in order to check the api
"""
def _get_producer(self):
producer = producers[self.mock_chaos_connection].acquire(block=True,
timeout=2)
self._connections.add(producer.connection)
return producer
def setup(self):
self.mock_chaos_connection = BrokerConnection(
"pyamqp://*****:*****@localhost:5672")
self._connections = {self.mock_chaos_connection}
self._exchange = Exchange('navitia',
durable=True,
delivry_mode=2,
type='topic')
self.mock_chaos_connection.connect()
def teardown(self):
#we need to release the amqp connection
self.mock_chaos_connection.release()
def send_chaos_disruption(self,
disruption_name,
impacted_obj,
impacted_obj_type,
start=None,
end=None,
message='default_message',
is_deleted=False,
blocking=False,
start_period="20100412T165200",
end_period="20200412T165200"):
item = make_mock_chaos_item(disruption_name, impacted_obj,
impacted_obj_type, start, end, message,
is_deleted, blocking, start_period,
end_period)
with self._get_producer() as producer:
producer.publish(item,
exchange=self._exchange,
routing_key=chaos_rt_topic,
declare=[self._exchange])
def send_chaos_disruption_and_sleep(self,
disruption_name,
impacted_obj,
impacted_obj_type,
start=None,
end=None,
message='default_message',
is_deleted=False,
blocking=False,
start_period="20100412T165200",
end_period="20200412T165200"):
status = self.query_region('status')
last_loaded_data = get_not_null(status['status'],
'last_rt_data_loaded')
self.send_chaos_disruption(disruption_name, impacted_obj,
impacted_obj_type, start, end, message,
is_deleted, blocking, start_period,
end_period)
#we sleep a bit to let kraken reload the data
self.poll_until_reload(last_loaded_data)
def poll_until_reload(self, previous_val):
"""
poll until the kraken have reloaded its data
check that the last_rt_data_loaded field is different from the first call
"""
Retrying(stop_max_delay=10 * 1000, wait_fixed=100,
retry_on_result=lambda status: get_not_null(status['status'], 'last_rt_data_loaded') == previous_val) \
.call(lambda: self.query_region('status'))
def wait_for_rabbitmq_cnx(self):
"""
poll until the kraken is connected to rabbitmq
small timeout because it must not be long (otherwise it way be a server configuration problem)
"""
Retrying(stop_max_delay=1 * 1000, wait_fixed=50,
retry_on_result=lambda status: get_not_null(status['status'], 'is_connected_to_rabbitmq') is False) \
.call(lambda: self.query_region('status'))
def test_can_connect():
b = BrokerConnection('localhost', 'guest', 'guest', '/')
b.connect()
assert True
class test_Consumer(TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.exchange = Exchange("foo", "direct")
def test_set_no_ack(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True, no_ack=True)
self.assertTrue(consumer.no_ack)
def test_add_queue_when_auto_declare(self):
consumer = self.connection.Consumer(auto_declare=True)
q = Mock()
q.return_value = q
consumer.add_queue(q)
self.assertIn(q, consumer.queues)
q.declare.assert_called_with()
def test_add_queue_when_not_auto_declare(self):
consumer = self.connection.Consumer(auto_declare=False)
q = Mock()
q.return_value = q
consumer.add_queue(q)
self.assertIn(q, consumer.queues)
self.assertFalse(q.declare.call_count)
def test_consume_without_queues_returns(self):
consumer = self.connection.Consumer()
consumer.queues[:] = []
self.assertIsNone(consumer.consume())
def test_consuming_from(self):
consumer = self.connection.Consumer()
consumer.queues[:] = [Queue("a"), Queue("b")]
self.assertFalse(consumer.consuming_from(Queue("c")))
self.assertFalse(consumer.consuming_from("c"))
self.assertTrue(consumer.consuming_from(Queue("a")))
self.assertTrue(consumer.consuming_from(Queue("b")))
self.assertTrue(consumer.consuming_from("b"))
def test_receive_callback_without_m2p(self):
channel = self.connection.channel()
c = channel.Consumer()
m2p = getattr(channel, "message_to_python")
channel.message_to_python = None
try:
message = Mock()
message.decode.return_value = "Hello"
recv = c.receive = Mock()
c._receive_callback(message)
recv.assert_called_with("Hello", message)
finally:
channel.message_to_python = m2p
def test_set_callbacks(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
callbacks = [lambda x, y: x, lambda x, y: x]
consumer = Consumer(channel,
queue,
auto_declare=True,
callbacks=callbacks)
self.assertEqual(consumer.callbacks, callbacks)
def test_auto_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.consume() # twice is a noop
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare", "queue_declare", "queue_bind",
"basic_consume"):
self.assertIn(meth, channel)
self.assertEqual(channel.called.count("basic_consume"), 1)
self.assertTrue(consumer._active_tags)
consumer.cancel_by_queue(queue.name)
consumer.cancel_by_queue(queue.name)
self.assertFalse(consumer._active_tags)
def test_manual_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=False)
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare", "queue_declare", "basic_consume"):
self.assertNotIn(meth, channel)
consumer.declare()
for meth in ("exchange_declare", "queue_declare", "queue_bind"):
self.assertIn(meth, channel)
self.assertNotIn("basic_consume", channel)
consumer.consume()
self.assertIn("basic_consume", channel)
def test_consume__cancel(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.cancel()
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test___enter____exit__(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
context = consumer.__enter__()
self.assertIs(context, consumer)
self.assertTrue(consumer._active_tags)
res = consumer.__exit__(None, None, None)
self.assertFalse(res)
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test_flow(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.flow(False)
self.assertIn("flow", channel)
def test_qos(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.qos(30, 10, False)
self.assertIn("basic_qos", channel)
def test_purge(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4], auto_declare=True)
consumer.purge()
self.assertEqual(channel.called.count("queue_purge"), 4)
def test_multiple_queues(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4])
consumer.consume()
self.assertEqual(channel.called.count("exchange_declare"), 4)
self.assertEqual(channel.called.count("queue_declare"), 4)
self.assertEqual(channel.called.count("queue_bind"), 4)
self.assertEqual(channel.called.count("basic_consume"), 4)
self.assertEqual(len(consumer._active_tags), 4)
consumer.cancel()
self.assertEqual(channel.called.count("basic_cancel"), 4)
self.assertFalse(len(consumer._active_tags))
def test_receive_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
received = []
def callback(message_data, message):
received.append(message_data)
message.ack()
message.payload # trigger cache
consumer.register_callback(callback)
consumer._receive_callback({u"foo": u"bar"})
self.assertIn("basic_ack", channel)
self.assertIn("message_to_python", channel)
self.assertEqual(received[0], {u"foo": u"bar"})
def test_basic_ack_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.ack()
message.ack()
consumer.register_callback(callback)
with self.assertRaises(MessageStateError):
consumer._receive_callback({"foo": "bar"})
def test_basic_reject(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
message.reject()
consumer.register_callback(callback)
with self.assertRaises(MessageStateError):
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject__requeue(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_basic_reject__requeue_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
message.requeue()
consumer.register_callback(callback)
with self.assertRaises(MessageStateError):
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_receive_without_callbacks_raises(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
with self.assertRaises(NotImplementedError):
consumer.receive(1, 2)
def test_decode_error(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.channel.throw_decode_error = True
with self.assertRaises(ValueError):
consumer._receive_callback({"foo": "bar"})
def test_on_decode_error_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
thrown = []
def on_decode_error(msg, exc):
thrown.append((msg.body, exc))
consumer = Consumer(channel, [b1], on_decode_error=on_decode_error)
consumer.channel.throw_decode_error = True
consumer._receive_callback({"foo": "bar"})
self.assertTrue(thrown)
m, exc = thrown[0]
self.assertEqual(anyjson.loads(m), {"foo": "bar"})
self.assertIsInstance(exc, ValueError)
def test_recover(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.recover()
self.assertIn("basic_recover", channel)
def test_revive(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
channel2 = self.connection.channel()
consumer.revive(channel2)
self.assertIs(consumer.channel, channel2)
self.assertIs(consumer.queues[0].channel, channel2)
self.assertIs(consumer.queues[0].exchange.channel, channel2)
def test__repr__(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
self.assertTrue(repr(Consumer(channel, [b1])))
def test_connection_property_handles_AttributeError(self):
p = self.connection.Consumer()
p.channel = object()
self.assertIsNone(p.connection)
class test_Producer(TestCase):
def setUp(self):
self.exchange = Exchange("foo", "direct")
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.assertFalse(self.exchange.is_bound)
@patch("kombu.common.maybe_declare")
def test_maybe_declare(self, maybe_declare):
p = self.connection.Producer()
q = Queue("foo")
p.maybe_declare(q)
maybe_declare.assert_called_with(q, p.channel, False)
@patch("kombu.common.maybe_declare")
def test_maybe_declare_when_entity_false(self, maybe_declare):
p = self.connection.Producer()
p.maybe_declare(None)
self.assertFalse(maybe_declare.called)
def test_auto_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=True)
self.assertIsNot(p.exchange, self.exchange,
"creates Exchange clone at bind")
self.assertTrue(p.exchange.is_bound)
self.assertIn("exchange_declare", channel,
"auto_declare declares exchange")
def test_manual_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=False)
self.assertTrue(p.exchange.is_bound)
self.assertNotIn("exchange_declare", channel,
"auto_declare=False does not declare exchange")
p.declare()
self.assertIn("exchange_declare", channel,
"p.declare() declares exchange")
def test_prepare(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, headers={})
self.assertDictEqual(message, anyjson.loads(m))
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
def test_prepare_compression(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
headers = {}
m, ctype, cencoding = p._prepare(message,
compression="zlib",
headers=headers)
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
self.assertEqual(headers["compression"], "application/x-gzip")
import zlib
self.assertEqual(anyjson.loads(zlib.decompress(m).decode("utf-8")),
message)
def test_prepare_custom_content_type(self):
message = "the quick brown fox".encode("utf-8")
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="custom")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "binary")
m, ctype, cencoding = p._prepare(message,
content_type="custom",
content_encoding="alien")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "alien")
def test_prepare_is_already_unicode(self):
message = u"the quick brown fox"
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="text/plain")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
m, ctype, cencoding = p._prepare(message,
content_type="text/plain",
content_encoding="utf-8")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
def test_publish_with_Exchange_instance(self):
p = self.connection.Producer()
p.exchange.publish = Mock()
p.publish("hello", exchange=Exchange("foo"))
self.assertEqual(p.exchange.publish.call_args[0][4], "foo")
def test_publish_retry_with_declare(self):
p = self.connection.Producer()
p.maybe_declare = Mock()
ensure = p.connection.ensure = Mock()
ex = Exchange("foo")
p.publish("hello",
exchange=ex,
declare=[ex],
retry=True,
retry_policy={"step": 4})
p.maybe_declare.assert_called_with(ex, True, step=4)
ensure.assert_called_with(p, p.exchange.publish, step=4)
def test_revive_when_channel_is_connection(self):
p = self.connection.Producer()
p.exchange = Mock()
new_conn = BrokerConnection("memory://")
defchan = new_conn.default_channel
p.revive(new_conn)
self.assertIs(p.channel, defchan)
p.exchange.revive.assert_called_with(defchan)
def test_enter_exit(self):
p = self.connection.Producer()
p.release = Mock()
self.assertIs(p.__enter__(), p)
p.__exit__()
p.release.assert_called_with()
def test_connection_property_handles_AttributeError(self):
p = self.connection.Producer()
p.channel = object()
self.assertIsNone(p.connection)
def test_publish(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
message = {u"the quick brown fox": u"jumps over the lazy dog"}
ret = p.publish(message, routing_key="process")
self.assertIn("prepare_message", channel)
self.assertIn("basic_publish", channel)
m, exc, rkey = ret
self.assertDictEqual(message, anyjson.loads(m["body"]))
self.assertDictContainsSubset(
{
"content_type": "application/json",
"content_encoding": "utf-8",
"priority": 0
}, m)
self.assertDictContainsSubset({"delivery_mode": 2}, m["properties"])
self.assertEqual(exc, p.exchange.name)
self.assertEqual(rkey, "process")
def test_no_exchange(self):
chan = self.connection.channel()
p = Producer(chan)
self.assertFalse(p.exchange.name)
def test_revive(self):
chan = self.connection.channel()
p = Producer(chan)
chan2 = self.connection.channel()
p.revive(chan2)
self.assertIs(p.channel, chan2)
self.assertIs(p.exchange.channel, chan2)
def test_on_return(self):
chan = self.connection.channel()
def on_return(exception, exchange, routing_key, message):
pass
p = Producer(chan, on_return=on_return)
self.assertTrue(on_return in chan.events["basic_return"])
self.assertTrue(p.on_return)
class test_Consumer(TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.exchange = Exchange("foo", "direct")
def test_set_no_ack(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True, no_ack=True)
self.assertTrue(consumer.no_ack)
def test_add_queue_when_auto_declare(self):
consumer = self.connection.Consumer(auto_declare=True)
q = Mock()
q.return_value = q
consumer.add_queue(q)
self.assertIn(q, consumer.queues)
q.declare.assert_called_with()
def test_add_queue_when_not_auto_declare(self):
consumer = self.connection.Consumer(auto_declare=False)
q = Mock()
q.return_value = q
consumer.add_queue(q)
self.assertIn(q, consumer.queues)
self.assertFalse(q.declare.call_count)
def test_consume_without_queues_returns(self):
consumer = self.connection.Consumer()
consumer.queues[:] = []
self.assertIsNone(consumer.consume())
def test_consuming_from(self):
consumer = self.connection.Consumer()
consumer.queues[:] = [Queue("a"), Queue("b")]
self.assertFalse(consumer.consuming_from(Queue("c")))
self.assertFalse(consumer.consuming_from("c"))
self.assertTrue(consumer.consuming_from(Queue("a")))
self.assertTrue(consumer.consuming_from(Queue("b")))
self.assertTrue(consumer.consuming_from("b"))
def test_receive_callback_without_m2p(self):
channel = self.connection.channel()
c = channel.Consumer()
m2p = getattr(channel, "message_to_python")
channel.message_to_python = None
try:
message = Mock()
message.decode.return_value = "Hello"
recv = c.receive = Mock()
c._receive_callback(message)
recv.assert_called_with("Hello", message)
finally:
channel.message_to_python = m2p
def test_set_callbacks(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
callbacks = [lambda x, y: x,
lambda x, y: x]
consumer = Consumer(channel, queue, auto_declare=True,
callbacks=callbacks)
self.assertEqual(consumer.callbacks, callbacks)
def test_auto_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.consume() # twice is a noop
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare",
"queue_declare",
"queue_bind",
"basic_consume"):
self.assertIn(meth, channel)
self.assertEqual(channel.called.count("basic_consume"), 1)
self.assertTrue(consumer._active_tags)
consumer.cancel_by_queue(queue.name)
consumer.cancel_by_queue(queue.name)
self.assertFalse(consumer._active_tags)
def test_manual_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=False)
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare",
"queue_declare",
"basic_consume"):
self.assertNotIn(meth, channel)
consumer.declare()
for meth in ("exchange_declare",
"queue_declare",
"queue_bind"):
self.assertIn(meth, channel)
self.assertNotIn("basic_consume", channel)
consumer.consume()
self.assertIn("basic_consume", channel)
def test_consume__cancel(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.cancel()
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test___enter____exit__(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
context = consumer.__enter__()
self.assertIs(context, consumer)
self.assertTrue(consumer._active_tags)
res = consumer.__exit__(None, None, None)
self.assertFalse(res)
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test_flow(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.flow(False)
self.assertIn("flow", channel)
def test_qos(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.qos(30, 10, False)
self.assertIn("basic_qos", channel)
def test_purge(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4], auto_declare=True)
consumer.purge()
self.assertEqual(channel.called.count("queue_purge"), 4)
def test_multiple_queues(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4])
consumer.consume()
self.assertEqual(channel.called.count("exchange_declare"), 4)
self.assertEqual(channel.called.count("queue_declare"), 4)
self.assertEqual(channel.called.count("queue_bind"), 4)
self.assertEqual(channel.called.count("basic_consume"), 4)
self.assertEqual(len(consumer._active_tags), 4)
consumer.cancel()
self.assertEqual(channel.called.count("basic_cancel"), 4)
self.assertFalse(len(consumer._active_tags))
def test_receive_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
received = []
def callback(message_data, message):
received.append(message_data)
message.ack()
message.payload # trigger cache
consumer.register_callback(callback)
consumer._receive_callback({u"foo": u"bar"})
self.assertIn("basic_ack", channel)
self.assertIn("message_to_python", channel)
self.assertEqual(received[0], {u"foo": u"bar"})
def test_basic_ack_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.ack()
message.ack()
consumer.register_callback(callback)
with self.assertRaises(MessageStateError):
consumer._receive_callback({"foo": "bar"})
def test_basic_reject(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
message.reject()
consumer.register_callback(callback)
with self.assertRaises(MessageStateError):
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject__requeue(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_basic_reject__requeue_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
message.requeue()
consumer.register_callback(callback)
with self.assertRaises(MessageStateError):
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_receive_without_callbacks_raises(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
with self.assertRaises(NotImplementedError):
consumer.receive(1, 2)
def test_decode_error(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.channel.throw_decode_error = True
with self.assertRaises(ValueError):
consumer._receive_callback({"foo": "bar"})
def test_on_decode_error_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
thrown = []
def on_decode_error(msg, exc):
thrown.append((msg.body, exc))
consumer = Consumer(channel, [b1], on_decode_error=on_decode_error)
consumer.channel.throw_decode_error = True
consumer._receive_callback({"foo": "bar"})
self.assertTrue(thrown)
m, exc = thrown[0]
self.assertEqual(anyjson.loads(m), {"foo": "bar"})
self.assertIsInstance(exc, ValueError)
def test_recover(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.recover()
self.assertIn("basic_recover", channel)
def test_revive(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
channel2 = self.connection.channel()
consumer.revive(channel2)
self.assertIs(consumer.channel, channel2)
self.assertIs(consumer.queues[0].channel, channel2)
self.assertIs(consumer.queues[0].exchange.channel, channel2)
def test__repr__(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
self.assertTrue(repr(Consumer(channel, [b1])))
def test_connection_property_handles_AttributeError(self):
p = self.connection.Consumer()
p.channel = object()
self.assertIsNone(p.connection)
class test_Producer(TestCase):
def setUp(self):
self.exchange = Exchange("foo", "direct")
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.assertFalse(self.exchange.is_bound)
@patch("kombu.common.maybe_declare")
def test_maybe_declare(self, maybe_declare):
p = self.connection.Producer()
q = Queue("foo")
p.maybe_declare(q)
maybe_declare.assert_called_with(q, p.channel, False)
@patch("kombu.common.maybe_declare")
def test_maybe_declare_when_entity_false(self, maybe_declare):
p = self.connection.Producer()
p.maybe_declare(None)
self.assertFalse(maybe_declare.called)
def test_auto_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=True)
self.assertIsNot(p.exchange, self.exchange,
"creates Exchange clone at bind")
self.assertTrue(p.exchange.is_bound)
self.assertIn("exchange_declare", channel,
"auto_declare declares exchange")
def test_manual_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=False)
self.assertTrue(p.exchange.is_bound)
self.assertNotIn("exchange_declare", channel,
"auto_declare=False does not declare exchange")
p.declare()
self.assertIn("exchange_declare", channel,
"p.declare() declares exchange")
def test_prepare(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, headers={})
self.assertDictEqual(message, anyjson.loads(m))
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
def test_prepare_compression(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
headers = {}
m, ctype, cencoding = p._prepare(message, compression="zlib",
headers=headers)
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
self.assertEqual(headers["compression"], "application/x-gzip")
import zlib
self.assertEqual(anyjson.loads(
zlib.decompress(m).decode("utf-8")), message)
def test_prepare_custom_content_type(self):
message = "the quick brown fox".encode("utf-8")
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="custom")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "binary")
m, ctype, cencoding = p._prepare(message, content_type="custom",
content_encoding="alien")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "alien")
def test_prepare_is_already_unicode(self):
message = u"the quick brown fox"
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="text/plain")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
m, ctype, cencoding = p._prepare(message, content_type="text/plain",
content_encoding="utf-8")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
def test_publish_with_Exchange_instance(self):
p = self.connection.Producer()
p.exchange.publish = Mock()
p.publish("hello", exchange=Exchange("foo"))
self.assertEqual(p.exchange.publish.call_args[0][4], "foo")
def test_publish_retry_with_declare(self):
p = self.connection.Producer()
p.maybe_declare = Mock()
ensure = p.connection.ensure = Mock()
ex = Exchange("foo")
p.publish("hello", exchange=ex, declare=[ex], retry=True,
retry_policy={"step": 4})
p.maybe_declare.assert_called_with(ex, True, step=4)
ensure.assert_called_with(p, p.exchange.publish, step=4)
def test_revive_when_channel_is_connection(self):
p = self.connection.Producer()
p.exchange = Mock()
new_conn = BrokerConnection("memory://")
defchan = new_conn.default_channel
p.revive(new_conn)
self.assertIs(p.channel, defchan)
p.exchange.revive.assert_called_with(defchan)
def test_enter_exit(self):
p = self.connection.Producer()
p.release = Mock()
self.assertIs(p.__enter__(), p)
p.__exit__()
p.release.assert_called_with()
def test_connection_property_handles_AttributeError(self):
p = self.connection.Producer()
p.channel = object()
self.assertIsNone(p.connection)
def test_publish(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
message = {u"the quick brown fox": u"jumps over the lazy dog"}
ret = p.publish(message, routing_key="process")
self.assertIn("prepare_message", channel)
self.assertIn("basic_publish", channel)
m, exc, rkey = ret
self.assertDictEqual(message, anyjson.loads(m["body"]))
self.assertDictContainsSubset({"content_type": "application/json",
"content_encoding": "utf-8",
"priority": 0}, m)
self.assertDictContainsSubset({"delivery_mode": 2}, m["properties"])
self.assertEqual(exc, p.exchange.name)
self.assertEqual(rkey, "process")
def test_no_exchange(self):
chan = self.connection.channel()
p = Producer(chan)
self.assertFalse(p.exchange.name)
def test_revive(self):
chan = self.connection.channel()
p = Producer(chan)
chan2 = self.connection.channel()
p.revive(chan2)
self.assertIs(p.channel, chan2)
self.assertIs(p.exchange.channel, chan2)
def test_on_return(self):
chan = self.connection.channel()
def on_return(exception, exchange, routing_key, message):
pass
p = Producer(chan, on_return=on_return)
self.assertTrue(on_return in chan.events["basic_return"])
self.assertTrue(p.on_return)
class test_Producer(unittest.TestCase):
def setUp(self):
self.exchange = Exchange("foo", "direct")
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.assertFalse(self.exchange.is_bound)
def test_auto_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=True)
self.assertIsNot(p.exchange, self.exchange,
"creates Exchange clone at bind")
self.assertTrue(p.exchange.is_bound)
self.assertIn("exchange_declare", channel,
"auto_declare declares exchange")
def test_manual_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=False)
self.assertTrue(p.exchange.is_bound)
self.assertNotIn("exchange_declare", channel,
"auto_declare=False does not declare exchange")
p.declare()
self.assertIn("exchange_declare", channel,
"p.declare() declares exchange")
def test_prepare(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, headers={})
self.assertDictEqual(message, anyjson.deserialize(m))
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
def test_prepare_compression(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
headers = {}
m, ctype, cencoding = p._prepare(message,
compression="zlib",
headers=headers)
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
self.assertEqual(headers["compression"], "application/x-gzip")
import zlib
self.assertEqual(
anyjson.deserialize(zlib.decompress(m).decode("utf-8")), message)
def test_prepare_custom_content_type(self):
message = "the quick brown fox".encode("utf-8")
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="custom")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "binary")
m, ctype, cencoding = p._prepare(message,
content_type="custom",
content_encoding="alien")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "alien")
def test_prepare_is_already_unicode(self):
message = u"the quick brown fox"
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="text/plain")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
m, ctype, cencoding = p._prepare(message,
content_type="text/plain",
content_encoding="utf-8")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
def test_publish(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
message = {u"the quick brown fox": u"jumps over the lazy dog"}
ret = p.publish(message, routing_key="process")
self.assertIn("prepare_message", channel)
self.assertIn("basic_publish", channel)
m, exc, rkey = ret
self.assertDictEqual(message, anyjson.deserialize(m["body"]))
self.assertDictContainsSubset(
{
"content_type": "application/json",
"content_encoding": "utf-8",
"priority": 0
}, m)
self.assertDictContainsSubset({"delivery_mode": 2}, m["properties"])
self.assertEqual(exc, p.exchange.name)
self.assertEqual(rkey, "process")
def test_no_exchange(self):
chan = self.connection.channel()
p = Producer(chan)
self.assertFalse(p.exchange.name)
def test_revive(self):
chan = self.connection.channel()
p = Producer(chan)
chan2 = self.connection.channel()
p.revive(chan2)
self.assertIs(p.channel, chan2)
self.assertIs(p.exchange.channel, chan2)
def test_on_return(self):
chan = self.connection.channel()
def on_return(exception, exchange, routing_key, message):
pass
p = Producer(chan, on_return=on_return)
self.assertTrue(on_return in chan.events["basic_return"])
self.assertTrue(p.on_return)
class test_Consumer(unittest.TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.exchange = Exchange("foo", "direct")
def test_set_no_ack(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True, no_ack=True)
self.assertTrue(consumer.no_ack)
def test_set_callbacks(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
callbacks = [lambda x, y: x, lambda x, y: x]
consumer = Consumer(channel,
queue,
auto_declare=True,
callbacks=callbacks)
self.assertEqual(consumer.callbacks, callbacks)
def test_auto_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.consume() # twice is a noop
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare", "queue_declare", "queue_bind",
"basic_consume"):
self.assertIn(meth, channel)
self.assertEqual(channel.called.count("basic_consume"), 1)
self.assertTrue(consumer._active_tags)
consumer.cancel_by_queue(queue.name)
consumer.cancel_by_queue(queue.name)
self.assertFalse(consumer._active_tags)
def test_manual_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=False)
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare", "queue_declare", "basic_consume"):
self.assertNotIn(meth, channel)
consumer.declare()
for meth in ("exchange_declare", "queue_declare", "queue_bind"):
self.assertIn(meth, channel)
self.assertNotIn("basic_consume", channel)
consumer.consume()
self.assertIn("basic_consume", channel)
def test_consume__cancel(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.cancel()
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test___enter____exit__(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
context = consumer.__enter__()
self.assertIs(context, consumer)
self.assertTrue(consumer._active_tags)
res = consumer.__exit__(None, None, None)
self.assertFalse(res)
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test_flow(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.flow(False)
self.assertIn("flow", channel)
def test_qos(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.qos(30, 10, False)
self.assertIn("basic_qos", channel)
def test_purge(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4], auto_declare=True)
consumer.purge()
self.assertEqual(channel.called.count("queue_purge"), 4)
def test_multiple_queues(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4])
consumer.consume()
self.assertEqual(channel.called.count("exchange_declare"), 4)
self.assertEqual(channel.called.count("queue_declare"), 4)
self.assertEqual(channel.called.count("queue_bind"), 4)
self.assertEqual(channel.called.count("basic_consume"), 4)
self.assertEqual(len(consumer._active_tags), 4)
consumer.cancel()
self.assertEqual(channel.called.count("basic_cancel"), 4)
self.assertFalse(len(consumer._active_tags))
def test_receive_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
received = []
def callback(message_data, message):
received.append(message_data)
message.ack()
message.payload # trigger cache
consumer.register_callback(callback)
consumer._receive_callback({u"foo": u"bar"})
self.assertIn("basic_ack", channel)
self.assertIn("message_to_python", channel)
self.assertEqual(received[0], {u"foo": u"bar"})
def test_basic_ack_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.ack()
message.ack()
consumer.register_callback(callback)
self.assertRaises(MessageStateError, consumer._receive_callback,
{"foo": "bar"})
def test_basic_reject(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
message.reject()
consumer.register_callback(callback)
self.assertRaises(MessageStateError, consumer._receive_callback,
{"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject__requeue(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_basic_reject__requeue_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
message.requeue()
consumer.register_callback(callback)
self.assertRaises(MessageStateError, consumer._receive_callback,
{"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_receive_without_callbacks_raises(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
self.assertRaises(NotImplementedError, consumer.receive, 1, 2)
def test_decode_error(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.channel.throw_decode_error = True
self.assertRaises(ValueError, consumer._receive_callback,
{"foo": "bar"})
def test_on_decode_error_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
thrown = []
def on_decode_error(msg, exc):
thrown.append((msg.body, exc))
consumer = Consumer(channel, [b1], on_decode_error=on_decode_error)
consumer.channel.throw_decode_error = True
consumer._receive_callback({"foo": "bar"})
self.assertTrue(thrown)
m, exc = thrown[0]
self.assertEqual(anyjson.deserialize(m), {"foo": "bar"})
self.assertIsInstance(exc, ValueError)
def test_recover(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.recover()
self.assertIn("basic_recover", channel)
def test_revive(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
channel2 = self.connection.channel()
consumer.revive(channel2)
self.assertIs(consumer.channel, channel2)
self.assertIs(consumer.queues[0].channel, channel2)
self.assertIs(consumer.queues[0].exchange.channel, channel2)
def test__repr__(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
self.assertTrue(repr(Consumer(channel, [b1])))
class test_Producer(unittest.TestCase):
def setUp(self):
self.exchange = Exchange("foo", "direct")
self.connection = BrokerConnection(backend_cls=Backend)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.assertFalse(self.exchange.is_bound)
def test_auto_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=True)
self.assertIsNot(p.exchange, self.exchange,
"creates Exchange clone at bind")
self.assertTrue(p.exchange.is_bound)
self.assertIn("exchange_declare", channel,
"auto_declare declares exchange")
def test_manual_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=False)
self.assertTrue(p.exchange.is_bound)
self.assertNotIn("exchange_declare", channel,
"auto_declare=False does not declare exchange")
p.declare()
self.assertIn("exchange_declare", channel,
"p.declare() declares exchange")
def test_prepare(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p.prepare(message)
self.assertDictEqual(message, simplejson.loads(m))
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
def test_prepare_custom_content_type(self):
message = "the quick brown fox"
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p.prepare(message, content_type="custom")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "binary")
m, ctype, cencoding = p.prepare(message, content_type="custom",
content_encoding="alien")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "alien")
def test_prepare_is_already_unicode(self):
message = u"the quick brown fox"
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p.prepare(message, content_type="text/plain")
self.assertEqual(m, message)
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
m, ctype, cencoding = p.prepare(message, content_type="text/plain",
content_encoding="utf-8")
self.assertEqual(m, message)
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
def test_publish(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
message = {u"the quick brown fox": u"jumps over the lazy dog"}
ret = p.publish(message, routing_key="process")
self.assertIn("prepare_message", channel)
self.assertIn("basic_publish", channel)
m, exc, rkey = ret
self.assertDictEqual(message, simplejson.loads(m["body"]))
self.assertDictContainsSubset({"content_type": "application/json",
"content_encoding": "utf-8",
"priority": 0}, m)
self.assertDictContainsSubset({"delivery_mode": 2}, m["properties"])
self.assertEqual(exc, p.exchange.name)
self.assertEqual(rkey, "process")
def test_no_exchange(self):
chan = self.connection.channel()
p = Producer(chan)
self.assertIsNone(p.exchange)
class test_Producer(unittest.TestCase):
def setUp(self):
self.exchange = Exchange("foo", "direct")
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.assertFalse(self.exchange.is_bound)
def test_auto_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=True)
self.assertIsNot(p.exchange, self.exchange,
"creates Exchange clone at bind")
self.assertTrue(p.exchange.is_bound)
self.assertIn("exchange_declare", channel,
"auto_declare declares exchange")
def test_manual_declare(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, auto_declare=False)
self.assertTrue(p.exchange.is_bound)
self.assertNotIn("exchange_declare", channel,
"auto_declare=False does not declare exchange")
p.declare()
self.assertIn("exchange_declare", channel,
"p.declare() declares exchange")
def test_prepare(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, headers={})
self.assertDictEqual(message, anyjson.deserialize(m))
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
def test_prepare_compression(self):
message = {u"the quick brown fox": u"jumps over the lazy dog"}
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
headers = {}
m, ctype, cencoding = p._prepare(message, compression="zlib",
headers=headers)
self.assertEqual(ctype, "application/json")
self.assertEqual(cencoding, "utf-8")
self.assertEqual(headers["compression"], "application/x-gzip")
import zlib
self.assertEqual(anyjson.deserialize(
zlib.decompress(m).decode("utf-8")), message)
def test_prepare_custom_content_type(self):
message = "the quick brown fox".encode("utf-8")
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="custom")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "binary")
m, ctype, cencoding = p._prepare(message, content_type="custom",
content_encoding="alien")
self.assertEqual(m, message)
self.assertEqual(ctype, "custom")
self.assertEqual(cencoding, "alien")
def test_prepare_is_already_unicode(self):
message = u"the quick brown fox"
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
m, ctype, cencoding = p._prepare(message, content_type="text/plain")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
m, ctype, cencoding = p._prepare(message, content_type="text/plain",
content_encoding="utf-8")
self.assertEqual(m, message.encode("utf-8"))
self.assertEqual(ctype, "text/plain")
self.assertEqual(cencoding, "utf-8")
def test_publish(self):
channel = self.connection.channel()
p = Producer(channel, self.exchange, serializer="json")
message = {u"the quick brown fox": u"jumps over the lazy dog"}
ret = p.publish(message, routing_key="process")
self.assertIn("prepare_message", channel)
self.assertIn("basic_publish", channel)
m, exc, rkey = ret
self.assertDictEqual(message, anyjson.deserialize(m["body"]))
self.assertDictContainsSubset({"content_type": "application/json",
"content_encoding": "utf-8",
"priority": 0}, m)
self.assertDictContainsSubset({"delivery_mode": 2}, m["properties"])
self.assertEqual(exc, p.exchange.name)
self.assertEqual(rkey, "process")
def test_no_exchange(self):
chan = self.connection.channel()
p = Producer(chan)
self.assertFalse(p.exchange.name)
def test_revive(self):
chan = self.connection.channel()
p = Producer(chan)
chan2 = self.connection.channel()
p.revive(chan2)
self.assertIs(p.channel, chan2)
self.assertIs(p.exchange.channel, chan2)
def test_on_return(self):
chan = self.connection.channel()
def on_return(exception, exchange, routing_key, message):
pass
p = Producer(chan, on_return=on_return)
self.assertTrue(on_return in chan.events["basic_return"])
self.assertTrue(p.on_return)
class test_Consumer(unittest.TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
self.connection.connect()
self.assertTrue(self.connection.connection.connected)
self.exchange = Exchange("foo", "direct")
def test_set_no_ack(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True, no_ack=True)
self.assertTrue(consumer.no_ack)
def test_set_callbacks(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
callbacks = [lambda x, y: x,
lambda x, y: x]
consumer = Consumer(channel, queue, auto_declare=True,
callbacks=callbacks)
self.assertEqual(consumer.callbacks, callbacks)
def test_auto_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.consume() # twice is a noop
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare",
"queue_declare",
"queue_bind",
"basic_consume"):
self.assertIn(meth, channel)
self.assertEqual(channel.called.count("basic_consume"), 1)
self.assertTrue(consumer._active_tags)
consumer.cancel_by_queue(queue.name)
consumer.cancel_by_queue(queue.name)
self.assertFalse(consumer._active_tags)
def test_manual_declare(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=False)
self.assertIsNot(consumer.queues[0], queue)
self.assertTrue(consumer.queues[0].is_bound)
self.assertTrue(consumer.queues[0].exchange.is_bound)
self.assertIsNot(consumer.queues[0].exchange, self.exchange)
for meth in ("exchange_declare",
"queue_declare",
"basic_consume"):
self.assertNotIn(meth, channel)
consumer.declare()
for meth in ("exchange_declare",
"queue_declare",
"queue_bind"):
self.assertIn(meth, channel)
self.assertNotIn("basic_consume", channel)
consumer.consume()
self.assertIn("basic_consume", channel)
def test_consume__cancel(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.consume()
consumer.cancel()
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test___enter____exit__(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
context = consumer.__enter__()
self.assertIs(context, consumer)
self.assertTrue(consumer._active_tags)
consumer.__exit__()
self.assertIn("basic_cancel", channel)
self.assertFalse(consumer._active_tags)
def test_flow(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.flow(False)
self.assertIn("flow", channel)
def test_qos(self):
channel = self.connection.channel()
queue = Queue("qname", self.exchange, "rkey")
consumer = Consumer(channel, queue, auto_declare=True)
consumer.qos(30, 10, False)
self.assertIn("basic_qos", channel)
def test_purge(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4], auto_declare=True)
consumer.purge()
self.assertEqual(channel.called.count("queue_purge"), 4)
def test_multiple_queues(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
b2 = Queue("qname2", self.exchange, "rkey")
b3 = Queue("qname3", self.exchange, "rkey")
b4 = Queue("qname4", self.exchange, "rkey")
consumer = Consumer(channel, [b1, b2, b3, b4])
consumer.consume()
self.assertEqual(channel.called.count("exchange_declare"), 4)
self.assertEqual(channel.called.count("queue_declare"), 4)
self.assertEqual(channel.called.count("queue_bind"), 4)
self.assertEqual(channel.called.count("basic_consume"), 4)
self.assertEqual(len(consumer._active_tags), 4)
consumer.cancel()
self.assertEqual(channel.called.count("basic_cancel"), 4)
self.assertFalse(len(consumer._active_tags))
def test_receive_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
received = []
def callback(message_data, message):
received.append(message_data)
message.ack()
message.payload # trigger cache
consumer.register_callback(callback)
consumer._receive_callback({u"foo": u"bar"})
self.assertIn("basic_ack", channel)
self.assertIn("message_to_python", channel)
self.assertEqual(received[0], {u"foo": u"bar"})
def test_basic_ack_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.ack()
message.ack()
consumer.register_callback(callback)
self.assertRaises(MessageStateError,
consumer._receive_callback, {"foo": "bar"})
def test_basic_reject(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.reject()
message.reject()
consumer.register_callback(callback)
self.assertRaises(MessageStateError,
consumer._receive_callback, {"foo": "bar"})
self.assertIn("basic_reject", channel)
def test_basic_reject__requeue(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
consumer.register_callback(callback)
consumer._receive_callback({"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_basic_reject__requeue_twice(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
def callback(message_data, message):
message.requeue()
message.requeue()
consumer.register_callback(callback)
self.assertRaises(MessageStateError,
consumer._receive_callback, {"foo": "bar"})
self.assertIn("basic_reject:requeue", channel)
def test_receive_without_callbacks_raises(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
self.assertRaises(NotImplementedError, consumer.receive, 1, 2)
def test_decode_error(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.channel.throw_decode_error = True
self.assertRaises(ValueError,
consumer._receive_callback, {"foo": "bar"})
def test_on_decode_error_callback(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
thrown = []
def on_decode_error(msg, exc):
thrown.append((msg.body, exc))
consumer = Consumer(channel, [b1], on_decode_error=on_decode_error)
consumer.channel.throw_decode_error = True
consumer._receive_callback({"foo": "bar"})
self.assertTrue(thrown)
m, exc = thrown[0]
self.assertEqual(anyjson.deserialize(m), {"foo": "bar"})
self.assertIsInstance(exc, ValueError)
def test_recover(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
consumer.recover()
self.assertIn("basic_recover", channel)
def test_revive(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
consumer = Consumer(channel, [b1])
channel2 = self.connection.channel()
consumer.revive(channel2)
self.assertIs(consumer.channel, channel2)
self.assertIs(consumer.queues[0].channel, channel2)
self.assertIs(consumer.queues[0].exchange.channel, channel2)
def test__repr__(self):
channel = self.connection.channel()
b1 = Queue("qname1", self.exchange, "rkey")
self.assertTrue(repr(Consumer(channel, [b1])))
