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import pytest
from unittest.mock import Mock
from kombu import Connection, Exchange, Queue
from kombu.exceptions import ContentDisallowed
class SimpleBase:
def Queue(self, name, *args, **kwargs):
q = name
if not isinstance(q, Queue):
q = self.__class__.__name__
if name:
q = f'{q}.{name}'
return self._Queue(q, *args, **kwargs)
def _Queue(self, *args, **kwargs):
raise NotImplementedError()
def setup(self):
self.connection = Connection(transport='memory')
self.connection.default_channel.exchange_declare('amq.direct')
def teardown(self):
self.connection.close()
self.connection = None
def test_produce__consume(self):
q = self.Queue('test_produce__consume', no_ack=True)
q.put({'hello': 'Simple'})
assert q.get(timeout=1).payload == {'hello': 'Simple'}
with pytest.raises(q.Empty):
q.get(timeout=0.1)
def test_produce__basic_get(self):
q = self.Queue('test_produce__basic_get', no_ack=True)
q.put({'hello': 'SimpleSync'})
assert q.get_nowait().payload == {'hello': 'SimpleSync'}
with pytest.raises(q.Empty):
q.get_nowait()
q.put({'hello': 'SimpleSync'})
assert q.get(block=False).payload == {'hello': 'SimpleSync'}
with pytest.raises(q.Empty):
q.get(block=False)
def test_get_nowait_accept(self):
q = self.Queue('test_accept', serializer='pickle', accept=['json'])
q.put({'hello': 'SimpleSync'})
with pytest.raises(ContentDisallowed):
q.get_nowait().payload
q = self.Queue('test_accept1', serializer='json', accept=[])
q.put({'hello': 'SimpleSync'})
with pytest.raises(ContentDisallowed):
q.get_nowait().payload
q = self.Queue(
'test_accept2', serializer='pickle', accept=['json', 'pickle'])
q.put({'hello': 'SimpleSync'})
assert q.get_nowait().payload == {'hello': 'SimpleSync'}
def test_get_accept(self):
q = self.Queue('test_accept', serializer='pickle', accept=['json'])
q.put({'hello': 'SimpleSync'})
with pytest.raises(ContentDisallowed):
q.get().payload
q = self.Queue('test_accept1', serializer='pickle', accept=[])
q.put({'hello': 'SimpleSync'})
with pytest.raises(ContentDisallowed):
q.get().payload
q = self.Queue(
'test_accept2', serializer='pickle', accept=['json', 'pickle'])
q.put({'hello': 'SimpleSync'})
assert q.get().payload == {'hello': 'SimpleSync'}
def test_clear(self):
q = self.Queue('test_clear', no_ack=True)
for i in range(10):
q.put({'hello': 'SimplePurge%d' % (i,)})
assert q.clear() == 10
def test_enter_exit(self):
q = self.Queue('test_enter_exit')
q.close = Mock()
assert q.__enter__() is q
q.__exit__()
q.close.assert_called_with()
def test_qsize(self):
q = self.Queue('test_clear', no_ack=True)
for i in range(10):
q.put({'hello': 'SimplePurge%d' % (i,)})
assert q.qsize() == 10
assert len(q) == 10
def test_autoclose(self):
channel = self.connection.channel()
q = self.Queue('test_autoclose', no_ack=True, channel=channel)
q.close()
def test_custom_Queue(self):
n = self.__class__.__name__
exchange = Exchange(f'{n}-test.custom.Queue')
queue = Queue(f'{n}-test.custom.Queue',
exchange,
'my.routing.key')
q = self.Queue(queue)
assert q.consumer.queues[0] == queue
q.close()
def test_bool(self):
q = self.Queue('test_nonzero')
assert q
class test_SimpleQueue(SimpleBase):
def _Queue(self, *args, **kwargs):
return self.connection.SimpleQueue(*args, **kwargs)
def test_is_ack(self):
q = self.Queue('test_is_no_ack')
assert not q.no_ack
def test_queue_args(self):
q = self.Queue('test_queue_args', queue_args={'x-queue-mode': 'lazy'})
assert len(q.queue.queue_arguments) == 1
assert q.queue.queue_arguments['x-queue-mode'] == 'lazy'
q = self.Queue('test_queue_args')
assert q.queue.queue_arguments == {}
def test_exchange_opts(self):
q = self.Queue('test_exchange_opts_a',
exchange_opts={'durable': True, 'type': 'fanout',
'delivery_mode': 'persistent'})
assert q.queue.exchange.type == 'fanout'
assert q.queue.exchange.durable
assert not q.queue.exchange.auto_delete
delivery_mode_code = q.queue.exchange.PERSISTENT_DELIVERY_MODE
assert q.queue.exchange.delivery_mode == delivery_mode_code
q = self.Queue('test_exchange_opts_b')
assert q.queue.exchange.type == 'direct'
assert q.queue.exchange.durable
assert not q.queue.exchange.auto_delete
def test_queue_opts(self):
q = self.Queue('test_queue_opts', queue_opts={'auto_delete': False})
assert not q.queue.auto_delete
class test_SimpleBuffer(SimpleBase):
def Queue(self, *args, **kwargs):
return self.connection.SimpleBuffer(*args, **kwargs)
def test_is_no_ack(self):
q = self.Queue('test_is_no_ack')
assert q.no_ack
def test_queue_args(self):
q = self.Queue('test_queue_args', queue_args={'x-queue-mode': 'lazy'})
assert len(q.queue.queue_arguments) == 1
assert q.queue.queue_arguments['x-queue-mode'] == 'lazy'
def test_exchange_opts(self):
q = self.Queue('test_exchange_opts_a',
exchange_opts={'durable': True, 'auto_delete': True,
'delivery_mode': 'persistent'})
assert q.queue.exchange.type == 'direct'
assert q.queue.exchange.durable
assert q.queue.exchange.auto_delete
delivery_mode_code = q.queue.exchange.PERSISTENT_DELIVERY_MODE
assert q.queue.exchange.delivery_mode == delivery_mode_code
q = self.Queue('test_exchange_opts_b')
assert q.queue.exchange.type == 'direct'
assert not q.queue.exchange.durable
assert q.queue.exchange.auto_delete
def test_queue_opts(self):
q = self.Queue('test_queue_opts', queue_opts={'auto_delete': False})
assert not q.queue.durable
assert not q.queue.auto_delete
q = self.Queue('test_queue_opts')
assert not q.queue.durable
assert q.queue.auto_delete
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