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from __future__ import annotations
import socket
import pytest
from kombu import Connection, Consumer, Exchange, Producer, Queue
class test_MemoryTransport:
def setup(self):
self.c = Connection(transport='memory')
self.e = Exchange('test_transport_memory')
self.q = Queue('test_transport_memory',
exchange=self.e,
routing_key='test_transport_memory')
self.q2 = Queue('test_transport_memory2',
exchange=self.e,
routing_key='test_transport_memory2')
self.fanout = Exchange('test_transport_memory_fanout', type='fanout')
self.q3 = Queue('test_transport_memory_fanout1',
exchange=self.fanout)
self.q4 = Queue('test_transport_memory_fanout2',
exchange=self.fanout)
def test_driver_version(self):
assert self.c.transport.driver_version()
def test_produce_consume_noack(self):
channel = self.c.channel()
producer = Producer(channel, self.e)
consumer = Consumer(channel, self.q, no_ack=True)
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory')
_received = []
def callback(message_data, message):
_received.append(message)
consumer.register_callback(callback)
consumer.consume()
while 1:
if len(_received) == 10:
break
self.c.drain_events()
assert len(_received) == 10
def test_produce_consume_fanout(self):
producer = self.c.Producer()
consumer = self.c.Consumer([self.q3, self.q4])
producer.publish(
{'hello': 'world'},
declare=consumer.queues,
exchange=self.fanout,
)
assert self.q3(self.c).get().payload == {'hello': 'world'}
assert self.q4(self.c).get().payload == {'hello': 'world'}
assert self.q3(self.c).get() is None
assert self.q4(self.c).get() is None
def test_produce_consume(self):
channel = self.c.channel()
producer = Producer(channel, self.e)
consumer1 = Consumer(channel, self.q)
consumer2 = Consumer(channel, self.q2)
self.q2(channel).declare()
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory')
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory2')
_received1 = []
_received2 = []
def callback1(message_data, message):
_received1.append(message)
message.ack()
def callback2(message_data, message):
_received2.append(message)
message.ack()
consumer1.register_callback(callback1)
consumer2.register_callback(callback2)
consumer1.consume()
consumer2.consume()
while 1:
if len(_received1) + len(_received2) == 20:
break
self.c.drain_events()
assert len(_received1) + len(_received2) == 20
# compression
producer.publish({'compressed': True},
routing_key='test_transport_memory',
compression='zlib')
m = self.q(channel).get()
assert m.payload == {'compressed': True}
# queue.delete
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory')
assert self.q(channel).get()
self.q(channel).delete()
self.q(channel).declare()
assert self.q(channel).get() is None
# queue.purge
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory2')
assert self.q2(channel).get()
self.q2(channel).purge()
assert self.q2(channel).get() is None
def test_drain_events(self):
with pytest.raises(socket.timeout):
self.c.drain_events(timeout=0.1)
c1 = self.c.channel()
c2 = self.c.channel()
with pytest.raises(socket.timeout):
self.c.drain_events(timeout=0.1)
del(c1) # so pyflakes doesn't complain.
del(c2)
def test_drain_events_unregistered_queue(self):
c1 = self.c.channel()
producer = self.c.Producer()
consumer = self.c.Consumer([self.q2])
producer.publish(
{'hello': 'world'},
declare=consumer.queues,
routing_key=self.q2.routing_key,
exchange=self.q2.exchange,
)
message = consumer.queues[0].get()._raw
class Cycle:
def get(self, callback, timeout=None):
return (message, 'foo'), c1
self.c.transport.cycle = Cycle()
self.c.drain_events()
def test_queue_for(self):
chan = self.c.channel()
chan.queues.clear()
x = chan._queue_for('foo')
assert x
assert chan._queue_for('foo') is x
# see the issue
# https://github.com/celery/kombu/issues/1050
def test_producer_on_return(self):
def on_return(_exception, _exchange, _routing_key, _message):
pass
channel = self.c.channel()
producer = Producer(channel, on_return=on_return)
consumer = self.c.Consumer([self.q3])
producer.publish(
{'hello': 'on return'},
declare=consumer.queues,
exchange=self.fanout,
)
assert self.q3(self.c).get().payload == {'hello': 'on return'}
assert self.q3(self.c).get() is None
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