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test_compat.py
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test_compat.py
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import unittest2 as unittest
from kombu import BrokerConnection, Exchange, Queue
from kombu import compat
from kombu.tests.mocks import Transport, Channel
class test_misc(unittest.TestCase):
def test_iterconsume(self):
class Connection(object):
drained = 0
def drain_events(self, *args, **kwargs):
self.drained += 1
return self.drained
class Consumer(object):
active = False
def consume(self, *args, **kwargs):
self.active = True
conn = Connection()
consumer = Consumer()
it = compat._iterconsume(conn, consumer)
self.assertEqual(it.next(), 1)
self.assertTrue(consumer.active)
it2 = compat._iterconsume(conn, consumer, limit=10)
self.assertEqual(list(it2), [2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
def test_entry_to_queue(self):
defs = {"binding_key": "foo.#",
"exchange": "fooex",
"exchange_type": "topic",
"durable": True,
"auto_delete": False}
q1 = compat.entry_to_queue("foo", **dict(defs))
self.assertEqual(q1.name, "foo")
self.assertEqual(q1.routing_key, "foo.#")
self.assertEqual(q1.exchange.name, "fooex")
self.assertEqual(q1.exchange.type, "topic")
self.assertTrue(q1.durable)
self.assertTrue(q1.exchange.durable)
self.assertFalse(q1.auto_delete)
self.assertFalse(q1.exchange.auto_delete)
q2 = compat.entry_to_queue("foo", **dict(defs,
exchange_durable=False))
self.assertTrue(q2.durable)
self.assertFalse(q2.exchange.durable)
q3 = compat.entry_to_queue("foo", **dict(defs,
exchange_auto_delete=True))
self.assertFalse(q3.auto_delete)
self.assertTrue(q3.exchange.auto_delete)
q4 = compat.entry_to_queue("foo", **dict(defs,
queue_durable=False))
self.assertFalse(q4.durable)
self.assertTrue(q4.exchange.durable)
q5 = compat.entry_to_queue("foo", **dict(defs,
queue_auto_delete=True))
self.assertTrue(q5.auto_delete)
self.assertFalse(q5.exchange.auto_delete)
self.assertEqual(compat.entry_to_queue("foo", **dict(defs)),
compat.entry_to_queue("foo", **dict(defs)))
class test_Publisher(unittest.TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
def test_constructor(self):
pub = compat.Publisher(self.connection,
exchange="test_Publisher_constructor",
routing_key="rkey")
self.assertIsInstance(pub.backend, Channel)
self.assertEqual(pub.exchange.name, "test_Publisher_constructor")
self.assertTrue(pub.exchange.durable)
self.assertFalse(pub.exchange.auto_delete)
self.assertEqual(pub.exchange.type, "direct")
pub2 = compat.Publisher(self.connection,
exchange="test_Publisher_constructor2",
routing_key="rkey",
auto_delete=True,
durable=False)
self.assertTrue(pub2.exchange.auto_delete)
self.assertFalse(pub2.exchange.durable)
explicit = Exchange("test_Publisher_constructor_explicit",
type="topic")
pub3 = compat.Publisher(self.connection,
exchange=explicit)
self.assertEqual(pub3.exchange, explicit)
def test_send(self):
pub = compat.Publisher(self.connection,
exchange="test_Publisher_send",
routing_key="rkey")
pub.send({"foo": "bar"})
self.assertIn("basic_publish", pub.backend)
pub.close()
self.assertIn("close", pub.backend)
def test__enter__exit__(self):
pub = compat.Publisher(self.connection,
exchange="test_Publisher_send",
routing_key="rkey")
x = pub.__enter__()
self.assertIs(x, pub)
x.__exit__()
self.assertIn("close", pub.backend)
self.assertTrue(pub._closed)
class test_Consumer(unittest.TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
def test_constructor(self, n="test_Consumer_constructor"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertIsInstance(c.backend, Channel)
q = c.queues[0]
self.assertTrue(q.durable)
self.assertTrue(q.exchange.durable)
self.assertFalse(q.auto_delete)
self.assertFalse(q.exchange.auto_delete)
self.assertEqual(q.name, n)
self.assertEqual(q.exchange.name, n)
c2 = compat.Consumer(self.connection, queue=n+"2", exchange=n+"2",
routing_key="rkey", durable=False,
auto_delete=True, exclusive=True)
q2 = c2.queues[0]
self.assertFalse(q2.durable)
self.assertFalse(q2.exchange.durable)
self.assertTrue(q2.auto_delete)
self.assertTrue(q2.exchange.auto_delete)
def test__enter__exit__(self, n="test__enter__exit__"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
x = c.__enter__()
self.assertIs(x, c)
x.__exit__()
self.assertIn("close", c.backend)
self.assertTrue(c._closed)
def test_iterqueue(self, n="test_iterqueue"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertTrue(hasattr(c.__iter__(), "next"))
c.close()
def test_process_next(self, n="test_process_next"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertRaises(NotImplementedError, c.process_next)
c.close()
def test_iterconsume(self, n="test_iterconsume"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertTrue(hasattr(c.iterconsume(), "next"))
c.close()
def test_discard_all(self, n="test_discard_all"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
c.discard_all()
self.assertIn("queue_purge", c.backend)
def test_fetch(self, n="test_fetch"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertIsNone(c.fetch())
self.assertIsNone(c.fetch(no_ack=True))
self.assertIn("basic_get", c.backend)
callback_called = [False]
def receive(payload, message):
callback_called[0] = True
c.backend.to_deliver.append("42")
self.assertEqual(c.fetch().payload, "42")
c.backend.to_deliver.append("46")
c.register_callback(receive)
self.assertEqual(c.fetch(enable_callbacks=True).payload, "46")
self.assertTrue(callback_called[0])
def test_discard_all_filterfunc_not_supported(self, n="xjf21j21"):
c = compat.Consumer(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertRaises(NotImplementedError, c.discard_all,
filterfunc=lambda x: x)
c.close()
def test_wait(self, n="test_wait"):
class C(compat.Consumer):
def iterconsume(self, limit=None):
for i in range(limit):
yield i
c = C(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertEqual(c.wait(10), range(10))
c.close()
def test_iterqueue(self, n="test_iterqueue"):
i = [0]
class C(compat.Consumer):
def fetch(self, limit=None):
z = i[0]
i[0] += 1
return z
c = C(self.connection, queue=n, exchange=n,
routing_key="rkey")
self.assertEqual(list(c.iterqueue(limit=10)), range(10))
c.close()
class test_ConsumerSet(unittest.TestCase):
def setUp(self):
self.connection = BrokerConnection(transport=Transport)
def test_constructor(self, prefix="0daf8h21"):
dcon = {"%s.xyx" % prefix: {"exchange": "%s.xyx" % prefix,
"routing_key": "xyx"},
"%s.xyz" % prefix: {"exchange": "%s.xyz" % prefix,
"routing_key": "xyz"}}
consumers = [compat.Consumer(self.connection, queue=prefix + str(i),
exchange=prefix + str(i))
for i in range(3)]
c = compat.ConsumerSet(self.connection, consumers=consumers)
c2 = compat.ConsumerSet(self.connection, from_dict=dcon)
self.assertEqual(len(c.queues), 3)
self.assertEqual(len(c2.queues), 2)
self.assertTrue(hasattr(c.iterconsume(), "next"))
c.add_consumer(compat.Consumer(self.connection,
queue=prefix + "xaxxxa",
exchange=prefix + "xaxxxa"))
self.assertEqual(len(c.queues), 4)
for cq in c.queues:
self.assertIs(cq.channel, c.channel)
c2.add_consumer_from_dict({"%s.xxx" % prefix: {
"exchange": "%s.xxx" % prefix,
"routing_key": "xxx"}})
self.assertEqual(len(c2.queues), 3)
for c2q in c2.queues:
self.assertIs(c2q.channel, c2.channel)
c.discard_all()
print("CALLED: %r" % (c.channel.called, ))
self.assertEqual(c.channel.called.count("queue_purge"), 4)
c.consume()
c.close()
c2.close()
self.assertIn("basic_cancel", c.channel)
self.assertIn("close", c.channel)
self.assertIn("close", c2.channel)