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from __future__ import absolute_import
from __future__ import with_statement
from Queue import Empty
from kombu import BrokerConnection, Exchange, Queue
from .utils import TestCase
from .utils import Mock
class SimpleBase(TestCase):
abstract = True
def Queue(self, name, *args, **kwargs):
q = name
if not isinstance(q, Queue):
q = self.__class__.__name__
if name:
q = '%s.%s' % (q, name)
return self._Queue(q, *args, **kwargs)
def _Queue(self, *args, **kwargs):
raise NotImplementedError()
def setUp(self):
if not self.abstract:
self.connection = BrokerConnection(transport='memory')
self.q = self.Queue(None, no_ack=True)
def tearDown(self):
if not self.abstract:
self.q.close()
self.connection.close()
def test_produce__consume(self):
if self.abstract:
return
q = self.Queue('test_produce__consume', no_ack=True)
q.put({'hello': 'Simple'})
self.assertEqual(q.get(timeout=1).payload, {'hello': 'Simple'})
with self.assertRaises(Empty):
q.get(timeout=0.1)
def test_produce__basic_get(self):
if self.abstract:
return
q = self.Queue('test_produce__basic_get', no_ack=True)
q.put({'hello': 'SimpleSync'})
self.assertEqual(q.get_nowait().payload, {'hello': 'SimpleSync'})
with self.assertRaises(Empty):
q.get_nowait()
q.put({'hello': 'SimpleSync'})
self.assertEqual(q.get(block=False).payload, {'hello': 'SimpleSync'})
with self.assertRaises(Empty):
q.get(block=False)
def test_clear(self):
if self.abstract:
return
q = self.Queue('test_clear', no_ack=True)
for i in range(10):
q.put({'hello': 'SimplePurge%d' % (i, )})
self.assertEqual(q.clear(), 10)
def test_enter_exit(self):
if self.abstract:
return
q = self.Queue('test_enter_exit')
q.close = Mock()
self.assertIs(q.__enter__(), q)
q.__exit__()
q.close.assert_called_with()
def test_qsize(self):
if self.abstract:
return
q = self.Queue('test_clear', no_ack=True)
for i in range(10):
q.put({'hello': 'SimplePurge%d' % (i, )})
self.assertEqual(q.qsize(), 10)
self.assertEqual(len(q), 10)
def test_autoclose(self):
if self.abstract:
return
channel = self.connection.channel()
q = self.Queue('test_autoclose', no_ack=True, channel=channel)
q.close()
def test_custom_Queue(self):
if self.abstract:
return
n = self.__class__.__name__
exchange = Exchange('%s-test.custom.Queue' % (n, ))
queue = Queue('%s-test.custom.Queue' % (n, ),
exchange,
'my.routing.key')
q = self.Queue(queue)
self.assertEqual(q.consumer.queues[0], queue)
q.close()
def test_bool(self):
if self.abstract:
return
q = self.Queue('test_nonzero')
self.assertTrue(q)
class test_SimpleQueue(SimpleBase):
abstract = False
def _Queue(self, *args, **kwargs):
return self.connection.SimpleQueue(*args, **kwargs)
def test_is_ack(self):
q = self.Queue('test_is_no_ack')
self.assertFalse(q.no_ack)
class test_SimpleBuffer(SimpleBase):
abstract = False
def Queue(self, *args, **kwargs):
return self.connection.SimpleBuffer(*args, **kwargs)
def test_is_no_ack(self):
q = self.Queue('test_is_no_ack')
self.assertTrue(q.no_ack)
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