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from __future__ import absolute_import
import socket
from kombu.connection import Connection
from kombu.entity import Exchange, Queue
from kombu.messaging import Consumer, Producer
from kombu.tests.utils import TestCase
class test_MemoryTransport(TestCase):
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')
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()
self.assertEqual(len(_received), 10)
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()
self.assertEqual(len(_received1) + len(_received2), 20)
# compression
producer.publish({'compressed': True},
routing_key='test_transport_memory',
compression='zlib')
m = self.q(channel).get()
self.assertDictEqual(m.payload, {'compressed': True})
# queue.delete
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory')
self.assertTrue(self.q(channel).get())
self.q(channel).delete()
self.q(channel).declare()
self.assertIsNone(self.q(channel).get())
# queue.purge
for i in range(10):
producer.publish({'foo': i}, routing_key='test_transport_memory2')
self.assertTrue(self.q2(channel).get())
self.q2(channel).purge()
self.assertIsNone(self.q2(channel).get())
def test_drain_events(self):
with self.assertRaises(socket.timeout):
self.c.drain_events(timeout=0.1)
c1 = self.c.channel()
c2 = self.c.channel()
with self.assertRaises(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()
class Cycle(object):
def get(self, timeout=None):
return ('foo', 'foo'), c1
self.c.transport.cycle = Cycle()
with self.assertRaises(KeyError):
self.c.drain_events()
def test_queue_for(self):
chan = self.c.channel()
chan.queues.clear()
x = chan._queue_for('foo')
self.assertTrue(x)
self.assertIs(chan._queue_for('foo'), x)
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