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from __future__ import annotations
import tempfile
from queue import Empty
import pytest
import t.skip
from kombu import Connection, Consumer, Exchange, Producer, Queue
@t.skip.if_win32
class test_FilesystemTransport:
def setup(self):
self.channels = set()
try:
data_folder_in = tempfile.mkdtemp()
data_folder_out = tempfile.mkdtemp()
except Exception:
pytest.skip('filesystem transport: cannot create tempfiles')
self.c = Connection(transport='filesystem',
transport_options={
'data_folder_in': data_folder_in,
'data_folder_out': data_folder_out,
})
self.channels.add(self.c.default_channel)
self.p = Connection(transport='filesystem',
transport_options={
'data_folder_in': data_folder_out,
'data_folder_out': data_folder_in,
})
self.channels.add(self.p.default_channel)
self.e = Exchange('test_transport_filesystem')
self.q = Queue('test_transport_filesystem',
exchange=self.e,
routing_key='test_transport_filesystem')
self.q2 = Queue('test_transport_filesystem2',
exchange=self.e,
routing_key='test_transport_filesystem2')
def teardown(self):
# make sure we don't attempt to restore messages at shutdown.
for channel in self.channels:
try:
channel._qos._dirty.clear()
except AttributeError:
pass
try:
channel._qos._delivered.clear()
except AttributeError:
pass
def _add_channel(self, channel):
self.channels.add(channel)
return channel
def test_produce_consume_noack(self):
producer = Producer(self._add_channel(self.p.channel()), self.e)
consumer = Consumer(self._add_channel(self.c.channel()), self.q,
no_ack=True)
for i in range(10):
producer.publish({'foo': i},
routing_key='test_transport_filesystem')
_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(self):
producer_channel = self._add_channel(self.p.channel())
consumer_channel = self._add_channel(self.c.channel())
producer = Producer(producer_channel, self.e)
consumer1 = Consumer(consumer_channel, self.q)
consumer2 = Consumer(consumer_channel, self.q2)
self.q2(consumer_channel).declare()
for i in range(10):
producer.publish({'foo': i},
routing_key='test_transport_filesystem')
for i in range(10):
producer.publish({'foo': i},
routing_key='test_transport_filesystem2')
_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_filesystem',
compression='zlib')
m = self.q(consumer_channel).get()
assert m.payload == {'compressed': True}
# queue.delete
for i in range(10):
producer.publish({'foo': i},
routing_key='test_transport_filesystem')
assert self.q(consumer_channel).get()
self.q(consumer_channel).delete()
self.q(consumer_channel).declare()
assert self.q(consumer_channel).get() is None
# queue.purge
for i in range(10):
producer.publish({'foo': i},
routing_key='test_transport_filesystem2')
assert self.q2(consumer_channel).get()
self.q2(consumer_channel).purge()
assert self.q2(consumer_channel).get() is None
@t.skip.if_win32
class test_FilesystemFanout:
def setup(self):
try:
data_folder_in = tempfile.mkdtemp()
data_folder_out = tempfile.mkdtemp()
control_folder = tempfile.mkdtemp()
except Exception:
pytest.skip("filesystem transport: cannot create tempfiles")
self.consumer_connection = Connection(
transport="filesystem",
transport_options={
"data_folder_in": data_folder_in,
"data_folder_out": data_folder_out,
"control_folder": control_folder,
},
)
self.consume_channel = self.consumer_connection.channel()
self.produce_connection = Connection(
transport="filesystem",
transport_options={
"data_folder_in": data_folder_out,
"data_folder_out": data_folder_in,
"control_folder": control_folder,
},
)
self.producer_channel = self.produce_connection.channel()
self.exchange = Exchange("filesystem_exchange_fanout", type="fanout")
self.q1 = Queue("queue1", exchange=self.exchange)
self.q2 = Queue("queue2", exchange=self.exchange)
def teardown(self):
# make sure we don't attempt to restore messages at shutdown.
for channel in [self.producer_channel, self.consumer_connection]:
try:
channel._qos._dirty.clear()
except AttributeError:
pass
try:
channel._qos._delivered.clear()
except AttributeError:
pass
def test_produce_consume(self):
producer = Producer(self.producer_channel, self.exchange)
consumer1 = Consumer(self.consume_channel, self.q1)
consumer2 = Consumer(self.consume_channel, self.q2)
self.q2(self.consume_channel).declare()
for i in range(10):
producer.publish({"foo": i})
_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:
try:
self.consume_channel.drain_events()
except Empty:
break
assert len(_received1) + len(_received2) == 20
# queue.delete
for i in range(10):
producer.publish({"foo": i})
assert self.q1(self.consume_channel).get()
self.q1(self.consume_channel).delete()
self.q1(self.consume_channel).declare()
assert self.q1(self.consume_channel).get() is None
# queue.purge
assert self.q2(self.consume_channel).get()
self.q2(self.consume_channel).purge()
assert self.q2(self.consume_channel).get() is None
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