Beispiel #1
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 def _do_test():
     conn = Connection(transport=Transport)
     chan = conn.channel()
     self.assertTrue(chan.Client)
     self.assertTrue(chan.ResponseError)
     self.assertTrue(conn.transport.connection_errors)
     self.assertTrue(conn.transport.channel_errors)
Beispiel #2
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 def _do_test():
     conn = Connection(transport=Transport)
     chan = conn.channel()
     self.assertTrue(chan.Client)
     self.assertTrue(chan.ResponseError)
     self.assertTrue(conn.transport.connection_errors)
     self.assertTrue(conn.transport.channel_errors)
Beispiel #3
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def main():

    connection = Connection('amqp://*****:*****@localhost:5672//')
    _channel = connection.channel()
    _exchange = Exchange('neutron', type='topic')

    pro = Producer(channel=_channel,
                   exchange=_exchange,
                   routing_key='q-plugin')
    pro.publish(MSG)
Beispiel #4
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def main():
    try:
        connection = Connection('amqp://*****:*****@192.168.8.108:5672//')
    except Exception:
        raise
    print 'connecting to amqp server succeed!'

    channel = connection.channel()

    _exchange = Exchange('media', type='direct', channel=channel)
    video_queue = Queue('video',
                        exchange=_exchange,
                        routing_key='video',
                        channel=channel)
    consumer = Consumer(channel,
                        queues=[video_queue],
                        callbacks=[process_data])
    consumer.consume()

    while True:
        connection.drain_events(timeout=10)

    consumer.cancel()
Beispiel #5
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    def test_publish__consume(self):
        connection = Connection(transport=Transport)
        channel = connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        consumer = Consumer(channel, self.queue)

        producer.publish({'hello2': 'world2'})
        _received = []

        def callback(message_data, message):
            _received.append(message_data)
            message.ack()

        consumer.register_callback(callback)
        consumer.consume()

        self.assertIn(channel, channel.connection.cycle._channels)
        try:
            connection.drain_events(timeout=1)
            self.assertTrue(_received)
            with self.assertRaises(socket.timeout):
                connection.drain_events(timeout=0.01)
        finally:
            channel.close()
Beispiel #6
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    def test_publish__consume(self):
        connection = Connection(transport=Transport)
        channel = connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        consumer = Consumer(channel, self.queue)

        producer.publish({'hello2': 'world2'})
        _received = []

        def callback(message_data, message):
            _received.append(message_data)
            message.ack()

        consumer.register_callback(callback)
        consumer.consume()

        self.assertIn(channel, channel.connection.cycle._channels)
        try:
            connection.drain_events(timeout=1)
            self.assertTrue(_received)
            with self.assertRaises(socket.timeout):
                connection.drain_events(timeout=0.01)
        finally:
            channel.close()
Beispiel #7
0
# -*- encoding: utf-8 -*-
# Copyright 2016 Vinzor Co.,Ltd.
#
# comment
#
# 7/21/17 bitson : Init

from kombu.entity import Exchange, Queue
from kombu.connection import Connection

import phoenix.config as cfg

# from oslo_config import cfg as oslo_cfg

os_options = [
    cfg.StrOpt('amqp_url', default='amqp://*****:*****@localhost:5672//',
               help='amqp_url'),
]
cfg.CONF.register_opts(os_options, group='rpc')

connection = Connection(cfg.CONF.rpc.amqp_url)
channel = connection.channel()


def delete_queue(name):
    exchange = Exchange('agent', type='topic')
    queue = Queue(name, exchange=exchange, routing_key='news')
    q = queue(channel)
    q.delete(nowait=True)
Beispiel #8
0
class test_Redis(TestCase):

    def setUp(self):
        self.connection = Connection(transport=Transport)
        self.exchange = Exchange('test_Redis', type='direct')
        self.queue = Queue('test_Redis', self.exchange, 'test_Redis')

    def tearDown(self):
        self.connection.close()

    def test_publish__get(self):
        channel = self.connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        self.queue(channel).declare()

        producer.publish({'hello': 'world'})

        self.assertDictEqual(self.queue(channel).get().payload,
                             {'hello': 'world'})
        self.assertIsNone(self.queue(channel).get())
        self.assertIsNone(self.queue(channel).get())
        self.assertIsNone(self.queue(channel).get())

    def test_publish__consume(self):
        connection = Connection(transport=Transport)
        channel = connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        consumer = Consumer(channel, self.queue)

        producer.publish({'hello2': 'world2'})
        _received = []

        def callback(message_data, message):
            _received.append(message_data)
            message.ack()

        consumer.register_callback(callback)
        consumer.consume()

        self.assertIn(channel, channel.connection.cycle._channels)
        try:
            connection.drain_events(timeout=1)
            self.assertTrue(_received)
            with self.assertRaises(socket.timeout):
                connection.drain_events(timeout=0.01)
        finally:
            channel.close()

    def test_purge(self):
        channel = self.connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        self.queue(channel).declare()

        for i in range(10):
            producer.publish({'hello': 'world-%s' % (i, )})

        self.assertEqual(channel._size('test_Redis'), 10)
        self.assertEqual(self.queue(channel).purge(), 10)
        channel.close()

    def test_db_values(self):
        c1 = Connection(virtual_host=1,
                              transport=Transport).channel()
        self.assertEqual(c1.client.db, 1)

        c2 = Connection(virtual_host='1',
                              transport=Transport).channel()
        self.assertEqual(c2.client.db, 1)

        c3 = Connection(virtual_host='/1',
                              transport=Transport).channel()
        self.assertEqual(c3.client.db, 1)

        with self.assertRaises(Exception):
            Connection(virtual_host='/foo',
                       transport=Transport).channel()

    def test_db_port(self):
        c1 = Connection(port=None, transport=Transport).channel()
        self.assertEqual(c1.client.port, Transport.default_port)
        c1.close()

        c2 = Connection(port=9999, transport=Transport).channel()
        self.assertEqual(c2.client.port, 9999)
        c2.close()

    def test_close_poller_not_active(self):
        c = Connection(transport=Transport).channel()
        cycle = c.connection.cycle
        c.client.connection
        c.close()
        self.assertNotIn(c, cycle._channels)

    def test_close_ResponseError(self):
        c = Connection(transport=Transport).channel()
        c.client.bgsave_raises_ResponseError = True
        c.close()

    def test_close_disconnects(self):
        c = Connection(transport=Transport).channel()
        conn1 = c.client.connection
        conn2 = c.subclient.connection
        c.close()
        self.assertTrue(conn1.disconnected)
        self.assertTrue(conn2.disconnected)

    def test_get__Empty(self):
        channel = self.connection.channel()
        with self.assertRaises(Empty):
            channel._get('does-not-exist')
        channel.close()

    def test_get_client(self):

        myredis, exceptions = _redis_modules()

        @module_exists(myredis, exceptions)
        def _do_test():
            conn = Connection(transport=Transport)
            chan = conn.channel()
            self.assertTrue(chan.Client)
            self.assertTrue(chan.ResponseError)
            self.assertTrue(conn.transport.connection_errors)
            self.assertTrue(conn.transport.channel_errors)

        _do_test()
Beispiel #9
0
class test_Channel(TestCase):

    def setUp(self):
        self.connection = Connection(transport=Transport)
        self.channel = self.connection.channel()

    def test_basic_consume_when_fanout_queue(self):
        self.channel.exchange_declare(exchange='txconfan', type='fanout')
        self.channel.queue_declare(queue='txconfanq')
        self.channel.queue_bind(queue='txconfanq', exchange='txconfan')

        self.assertIn('txconfanq', self.channel._fanout_queues)
        self.channel.basic_consume('txconfanq', False, None, 1)
        self.assertIn('txconfanq', self.channel.active_fanout_queues)
        self.assertEqual(self.channel._fanout_to_queue.get('txconfan'),
                         'txconfanq')

    def test_basic_cancel_unknown_delivery_tag(self):
        self.assertIsNone(self.channel.basic_cancel('txaseqwewq'))

    def test_subscribe_no_queues(self):
        self.channel.subclient = Mock()
        self.channel.active_fanout_queues.clear()
        self.channel._subscribe()

        self.assertFalse(self.channel.subclient.subscribe.called)

    def test_subscribe(self):
        self.channel.subclient = Mock()
        self.channel.active_fanout_queues.add('a')
        self.channel.active_fanout_queues.add('b')
        self.channel._fanout_queues.update(a='a', b='b')

        self.channel._subscribe()
        self.assertTrue(self.channel.subclient.subscribe.called)
        s_args, _ = self.channel.subclient.subscribe.call_args
        self.assertItemsEqual(s_args[0], ['a', 'b'])

        self.channel.subclient.connection._sock = None
        self.channel._subscribe()
        self.channel.subclient.connection.connect.assert_called_with()

    def test_handle_unsubscribe_message(self):
        s = self.channel.subclient
        s.subscribed = True
        self.channel._handle_message(s, ['unsubscribe', 'a', 0])
        self.assertFalse(s.subscribed)

    def test_handle_pmessage_message(self):
        self.assertDictEqual(self.channel._handle_message(
                                self.channel.subclient,
                                ['pmessage', 'pattern', 'channel', 'data']),
                            {'type': 'pmessage',
                             'pattern': 'pattern',
                             'channel': 'channel',
                             'data': 'data'})

    def test_handle_message(self):
        self.assertDictEqual(self.channel._handle_message(
                                self.channel.subclient,
                                ['type', 'channel', 'data']),
                             {'type': 'type',
                              'pattern': None,
                              'channel': 'channel',
                              'data': 'data'})

    def test_brpop_start_but_no_queues(self):
        self.assertIsNone(self.channel._brpop_start())

    def test_receive(self):
        s = self.channel.subclient = Mock()
        self.channel._fanout_to_queue['a'] = 'b'
        s.parse_response.return_value = ['message', 'a',
                                         dumps({'hello': 'world'})]
        payload, queue = self.channel._receive()
        self.assertDictEqual(payload, {'hello': 'world'})
        self.assertEqual(queue, 'b')

    def test_receive_raises(self):
        self.channel._in_listen = True
        s = self.channel.subclient = Mock()
        s.parse_response.side_effect = KeyError('foo')

        with self.assertRaises(redis.Empty):
            self.channel._receive()
        self.assertFalse(self.channel._in_listen)

    def test_receive_empty(self):
        s = self.channel.subclient = Mock()
        s.parse_response.return_value = None

        with self.assertRaises(redis.Empty):
            self.channel._receive()

    def test_receive_different_message_Type(self):
        s = self.channel.subclient = Mock()
        s.parse_response.return_value = ['pmessage', '/foo/', 0, 'data']

        with self.assertRaises(redis.Empty):
            self.channel._receive()

    def test_brpop_read_raises(self):
        c = self.channel.client = Mock()
        c.parse_response.side_effect = KeyError('foo')

        with self.assertRaises(redis.Empty):
            self.channel._brpop_read()

        c.connection.disconnect.assert_called_with()

    def test_brpop_read_gives_None(self):
        c = self.channel.client = Mock()
        c.parse_response.return_value = None

        with self.assertRaises(redis.Empty):
            self.channel._brpop_read()

    def test_poll_error(self):
        c = self.channel.client = Mock()
        c.parse_response = Mock()
        self.channel._poll_error('BRPOP')

        c.parse_response.assert_called_with('BRPOP')

        c.parse_response.side_effect = KeyError('foo')
        self.assertIsNone(self.channel._poll_error('BRPOP'))

    def test_put_fanout(self):
        self.channel._in_poll = False
        c = self.channel.client = Mock()

        body = {'hello': 'world'}
        self.channel._put_fanout('exchange', body)
        c.publish.assert_called_with('exchange', dumps(body))

    def test_delete(self):
        x = self.channel
        self.channel._in_poll = False
        delete = x.client.delete = Mock()
        srem = x.client.srem = Mock()

        x._delete('queue', 'exchange', 'routing_key', None)
        delete.assert_has_call('queue')
        srem.assert_has_call(x.keyprefix_queue % ('exchange', ),
                             x.sep.join(['routing_key', '', 'queue']))

    def test_has_queue(self):
        self.channel._in_poll = False
        exists = self.channel.client.exists = Mock()
        exists.return_value = True
        self.assertTrue(self.channel._has_queue('foo'))
        exists.assert_has_call('foo')

        exists.return_value = False
        self.assertFalse(self.channel._has_queue('foo'))

    def test_close_when_closed(self):
        self.channel.closed = True
        self.channel.close()

    def test_close_client_close_raises(self):
        c = self.channel.client = Mock()
        c.connection.disconnect.side_effect = self.channel.ResponseError()

        self.channel.close()
        c.connection.disconnect.assert_called_with()

    def test_invalid_database_raises_ValueError(self):
        self.channel.connection.client.virtual_host = 'xfeqwewkfk'

        with self.assertRaises(ValueError):
            self.channel._create_client()

    @skip_if_not_module('redis')
    def test_get_client(self):
        import redis as R
        KombuRedis = redis.Channel._get_client(self.channel)
        self.assertTrue(KombuRedis)

        Rv = getattr(R, 'VERSION')
        try:
            R.VERSION = (2, 4, 0)
            with self.assertRaises(VersionMismatch):
                redis.Channel._get_client(self.channel)
        finally:
            if Rv is not None:
                R.VERSION = Rv

    @skip_if_not_module('redis')
    def test_get_response_error(self):
        from redis.exceptions import ResponseError
        self.assertIs(redis.Channel._get_response_error(self.channel),
                      ResponseError)

    def test_avail_client_when_not_in_poll(self):
        self.channel._in_poll = False
        c = self.channel.client = Mock()

        self.assertIs(self.channel._avail_client, c)

    def test_avail_client_when_in_poll(self):
        self.channel._in_poll = True
        cc = self.channel._create_client = Mock()

        self.assertTrue(self.channel._avail_client)
        cc.assert_called_with()

    @skip_if_not_module('redis')
    def test_transport_get_errors(self):
        self.assertTrue(redis.Transport._get_errors(self.connection.transport))

    @skip_if_not_module('redis')
    def test_transport_get_errors_when_InvalidData_used(self):
        from redis import exceptions

        class ID(Exception):
            pass

        DataError = getattr(exceptions, 'DataError', None)
        InvalidData = getattr(exceptions, 'InvalidData', None)
        exceptions.InvalidData = ID
        exceptions.DataError = None
        try:
            errors = redis.Transport._get_errors(self.connection.transport)
            self.assertTrue(errors)
            self.assertIn(ID, errors[1])
        finally:
            if DataError is not None:
                exceptions.DataError = DataError
            if InvalidData is not None:
                exceptions.InvalidData = InvalidData

    def test_empty_queues_key(self):
        channel = self.channel
        channel._in_poll = False
        key = channel.keyprefix_queue % 'celery'

        # Everything is fine, there is a list of queues.
        channel.client.sadd(key, 'celery\x06\x16\x06\x16celery')
        self.assertListEqual(channel.get_table('celery'),
                             [('celery', '', 'celery')])

        # ... then for some reason, the _kombu.binding.celery key gets lost
        channel.client.srem(key)

        # which raises a channel error so that the consumer/publisher
        # can recover by redeclaring the required entities.
        with self.assertRaises(InconsistencyError):
            self.channel.get_table('celery')
Beispiel #10
0
class test_FilesystemTransport(TestCase):

    def setUp(self):
        try:
            data_folder_in = tempfile.mkdtemp()
            data_folder_out = tempfile.mkdtemp()
        except Exception:
            raise SkipTest('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.p = Connection(transport='filesystem',
                            transport_options={
                                'data_folder_in': data_folder_out,
                                'data_folder_out': data_folder_in,
                            })
        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 test_produce_consume_noack(self):
        producer = Producer(self.p.channel(), self.e)
        consumer = Consumer(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()

        self.assertEqual(len(_received), 10)

    def test_produce_consume(self):
        producer_channel = self.p.channel()
        consumer_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()

        self.assertEqual(len(_received1) + len(_received2), 20)

        # compression
        producer.publish({'compressed': True},
                         routing_key='test_transport_filesystem',
                         compression='zlib')
        m = self.q(consumer_channel).get()
        self.assertDictEqual(m.payload, {'compressed': True})

        # queue.delete
        for i in range(10):
            producer.publish({'foo': i},
                             routing_key='test_transport_filesystem')
        self.assertTrue(self.q(consumer_channel).get())
        self.q(consumer_channel).delete()
        self.q(consumer_channel).declare()
        self.assertIsNone(self.q(consumer_channel).get())

        # queue.purge
        for i in range(10):
            producer.publish({'foo': i},
                             routing_key='test_transport_filesystem2')
        self.assertTrue(self.q2(consumer_channel).get())
        self.q2(consumer_channel).purge()
        self.assertIsNone(self.q2(consumer_channel).get())
Beispiel #11
0
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)
Beispiel #12
0
class RabbitMq:
    "manage rabbitmq."
    
    
    def __init__(self,mq_server):
        ""

        self.connection = Connection(mq_server)
        self.chan = self.connection.channel()
    
    # 关闭
    def mq_close(self):
        ""
        
        self.connection.close()
        self.chan.close()
    
    # 声明queue
    def queue_declare(self,**kwargs):
        ""
        
        queue_name = kwargs.pop('queue_name', None)
        durable_flag = kwargs.pop('durable_flag', True)
        exclusive_flag = kwargs.pop('exclusive_flag', False)
        auto_delete_flag   = kwargs.pop('auto_delete_flag', False)
        
        self.chan.queue_declare(queue=queue_name, durable=durable_flag, exclusive=exclusive_flag, auto_delete=auto_delete_flag)
        
        
    # 声明exchange
    def exchange_declare(self,**kwargs):
        ""
  
        exchange_name = kwargs.pop('exchange_name', None)
        mq_type = kwargs.pop('mq_type', None)
        durable_flag = kwargs.pop('durable_flag', True)
        auto_delete_flag   = kwargs.pop('auto_delete_flag', False) 
       
        self.chan.exchange_declare(exchange=exchange_name, type=mq_type, durable=durable_flag, auto_delete=auto_delete_flag)
    
    
    # 绑定queue 和 exchange
    def queue_bind(self,**kwargs):
        ""
        
        queue_name = kwargs.pop('queue_name', None)
        exchange_name = kwargs.pop('exchange_name', None)
        routing_key = kwargs.pop('routing_key', None)
        
        self.chan.queue_bind(queue=queue_name, exchange=exchange_name, routing_key=routing_key)

    
    # 发送消息
    def mq_send(self,**kwargs):
        ""
        
        msg = kwargs.pop('msg', None)
        exchange_name = kwargs.pop('exchange_name', None)
        routing_key = kwargs.pop('routing_key', None)
        
        message = amqp.Message(str(msg))
        self.chan.basic_publish(message,exchange=exchange_name,routing_key=routing_key)
        
    
    
    #接收消息
    def mq_receive(self,**kwargs):
        ""
        
        queue_name = kwargs.pop('queue_name', None)
        callback = kwargs.pop('callback', None)
        
        self.chan.basic_consume(callback=callback,queue=queue_name,no_ack=True)
        while True:
            self.chan.wait()
Beispiel #13
0
class test_Redis(TestCase):

    def setUp(self):
        self.connection = Connection(transport=Transport)
        self.exchange = Exchange('test_Redis', type='direct')
        self.queue = Queue('test_Redis', self.exchange, 'test_Redis')

    def tearDown(self):
        self.connection.close()

    def test_publish__get(self):
        channel = self.connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        self.queue(channel).declare()

        producer.publish({'hello': 'world'})

        self.assertDictEqual(self.queue(channel).get().payload,
                             {'hello': 'world'})
        self.assertIsNone(self.queue(channel).get())
        self.assertIsNone(self.queue(channel).get())
        self.assertIsNone(self.queue(channel).get())

    def test_publish__consume(self):
        connection = Connection(transport=Transport)
        channel = connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        consumer = Consumer(channel, self.queue)

        producer.publish({'hello2': 'world2'})
        _received = []

        def callback(message_data, message):
            _received.append(message_data)
            message.ack()

        consumer.register_callback(callback)
        consumer.consume()

        self.assertIn(channel, channel.connection.cycle._channels)
        try:
            connection.drain_events(timeout=1)
            self.assertTrue(_received)
            with self.assertRaises(socket.timeout):
                connection.drain_events(timeout=0.01)
        finally:
            channel.close()

    def test_purge(self):
        channel = self.connection.channel()
        producer = Producer(channel, self.exchange, routing_key='test_Redis')
        self.queue(channel).declare()

        for i in range(10):
            producer.publish({'hello': 'world-%s' % (i, )})

        self.assertEqual(channel._size('test_Redis'), 10)
        self.assertEqual(self.queue(channel).purge(), 10)
        channel.close()

    def test_db_values(self):
        c1 = Connection(virtual_host=1,
                              transport=Transport).channel()
        self.assertEqual(c1.client.db, 1)

        c2 = Connection(virtual_host='1',
                              transport=Transport).channel()
        self.assertEqual(c2.client.db, 1)

        c3 = Connection(virtual_host='/1',
                              transport=Transport).channel()
        self.assertEqual(c3.client.db, 1)

        with self.assertRaises(Exception):
            Connection(virtual_host='/foo',
                       transport=Transport).channel()

    def test_db_port(self):
        c1 = Connection(port=None, transport=Transport).channel()
        self.assertEqual(c1.client.port, Transport.default_port)
        c1.close()

        c2 = Connection(port=9999, transport=Transport).channel()
        self.assertEqual(c2.client.port, 9999)
        c2.close()

    def test_close_poller_not_active(self):
        c = Connection(transport=Transport).channel()
        cycle = c.connection.cycle
        c.client.connection
        c.close()
        self.assertNotIn(c, cycle._channels)

    def test_close_ResponseError(self):
        c = Connection(transport=Transport).channel()
        c.client.bgsave_raises_ResponseError = True
        c.close()

    def test_close_disconnects(self):
        c = Connection(transport=Transport).channel()
        conn1 = c.client.connection
        conn2 = c.subclient.connection
        c.close()
        self.assertTrue(conn1.disconnected)
        self.assertTrue(conn2.disconnected)

    def test_get__Empty(self):
        channel = self.connection.channel()
        with self.assertRaises(Empty):
            channel._get('does-not-exist')
        channel.close()

    def test_get_client(self):

        myredis, exceptions = _redis_modules()

        @module_exists(myredis, exceptions)
        def _do_test():
            conn = Connection(transport=Transport)
            chan = conn.channel()
            self.assertTrue(chan.Client)
            self.assertTrue(chan.ResponseError)
            self.assertTrue(conn.transport.connection_errors)
            self.assertTrue(conn.transport.channel_errors)

        _do_test()
Beispiel #14
0
class test_Channel(TestCase):

    def setUp(self):
        self.connection = Connection(transport=Transport)
        self.channel = self.connection.channel()

    def test_basic_consume_when_fanout_queue(self):
        self.channel.exchange_declare(exchange='txconfan', type='fanout')
        self.channel.queue_declare(queue='txconfanq')
        self.channel.queue_bind(queue='txconfanq', exchange='txconfan')

        self.assertIn('txconfanq', self.channel._fanout_queues)
        self.channel.basic_consume('txconfanq', False, None, 1)
        self.assertIn('txconfanq', self.channel.active_fanout_queues)
        self.assertEqual(self.channel._fanout_to_queue.get('txconfan'),
                         'txconfanq')

    def test_basic_cancel_unknown_delivery_tag(self):
        self.assertIsNone(self.channel.basic_cancel('txaseqwewq'))

    def test_subscribe_no_queues(self):
        self.channel.subclient = Mock()
        self.channel.active_fanout_queues.clear()
        self.channel._subscribe()

        self.assertFalse(self.channel.subclient.subscribe.called)

    def test_subscribe(self):
        self.channel.subclient = Mock()
        self.channel.active_fanout_queues.add('a')
        self.channel.active_fanout_queues.add('b')
        self.channel._fanout_queues.update(a='a', b='b')

        self.channel._subscribe()
        self.assertTrue(self.channel.subclient.subscribe.called)
        s_args, _ = self.channel.subclient.subscribe.call_args
        self.assertItemsEqual(s_args[0], ['a', 'b'])

        self.channel.subclient.connection._sock = None
        self.channel._subscribe()
        self.channel.subclient.connection.connect.assert_called_with()

    def test_handle_unsubscribe_message(self):
        s = self.channel.subclient
        s.subscribed = True
        self.channel._handle_message(s, ['unsubscribe', 'a', 0])
        self.assertFalse(s.subscribed)

    def test_handle_pmessage_message(self):
        self.assertDictEqual(self.channel._handle_message(
                                self.channel.subclient,
                                ['pmessage', 'pattern', 'channel', 'data']),
                            {'type': 'pmessage',
                             'pattern': 'pattern',
                             'channel': 'channel',
                             'data': 'data'})

    def test_handle_message(self):
        self.assertDictEqual(self.channel._handle_message(
                                self.channel.subclient,
                                ['type', 'channel', 'data']),
                             {'type': 'type',
                              'pattern': None,
                              'channel': 'channel',
                              'data': 'data'})

    def test_brpop_start_but_no_queues(self):
        self.assertIsNone(self.channel._brpop_start())

    def test_receive(self):
        s = self.channel.subclient = Mock()
        self.channel._fanout_to_queue['a'] = 'b'
        s.parse_response.return_value = ['message', 'a',
                                         dumps({'hello': 'world'})]
        payload, queue = self.channel._receive()
        self.assertDictEqual(payload, {'hello': 'world'})
        self.assertEqual(queue, 'b')

    def test_receive_raises(self):
        self.channel._in_listen = True
        s = self.channel.subclient = Mock()
        s.parse_response.side_effect = KeyError('foo')

        with self.assertRaises(redis.Empty):
            self.channel._receive()
        self.assertFalse(self.channel._in_listen)

    def test_receive_empty(self):
        s = self.channel.subclient = Mock()
        s.parse_response.return_value = None

        with self.assertRaises(redis.Empty):
            self.channel._receive()

    def test_receive_different_message_Type(self):
        s = self.channel.subclient = Mock()
        s.parse_response.return_value = ['pmessage', '/foo/', 0, 'data']

        with self.assertRaises(redis.Empty):
            self.channel._receive()

    def test_brpop_read_raises(self):
        c = self.channel.client = Mock()
        c.parse_response.side_effect = KeyError('foo')

        with self.assertRaises(redis.Empty):
            self.channel._brpop_read()

        c.connection.disconnect.assert_called_with()

    def test_brpop_read_gives_None(self):
        c = self.channel.client = Mock()
        c.parse_response.return_value = None

        with self.assertRaises(redis.Empty):
            self.channel._brpop_read()

    def test_poll_error(self):
        c = self.channel.client = Mock()
        c.parse_response = Mock()
        self.channel._poll_error('BRPOP')

        c.parse_response.assert_called_with('BRPOP')

        c.parse_response.side_effect = KeyError('foo')
        self.assertIsNone(self.channel._poll_error('BRPOP'))

    def test_put_fanout(self):
        self.channel._in_poll = False
        c = self.channel.client = Mock()

        body = {'hello': 'world'}
        self.channel._put_fanout('exchange', body)
        c.publish.assert_called_with('exchange', dumps(body))

    def test_delete(self):
        x = self.channel
        self.channel._in_poll = False
        delete = x.client.delete = Mock()
        srem = x.client.srem = Mock()

        x._delete('queue', 'exchange', 'routing_key', None)
        delete.assert_has_call('queue')
        srem.assert_has_call(x.keyprefix_queue % ('exchange', ),
                             x.sep.join(['routing_key', '', 'queue']))

    def test_has_queue(self):
        self.channel._in_poll = False
        exists = self.channel.client.exists = Mock()
        exists.return_value = True
        self.assertTrue(self.channel._has_queue('foo'))
        exists.assert_has_call('foo')

        exists.return_value = False
        self.assertFalse(self.channel._has_queue('foo'))

    def test_close_when_closed(self):
        self.channel.closed = True
        self.channel.close()

    def test_close_client_close_raises(self):
        c = self.channel.client = Mock()
        c.connection.disconnect.side_effect = self.channel.ResponseError()

        self.channel.close()
        c.connection.disconnect.assert_called_with()

    def test_invalid_database_raises_ValueError(self):
        self.channel.connection.client.virtual_host = 'xfeqwewkfk'

        with self.assertRaises(ValueError):
            self.channel._create_client()

    @skip_if_not_module('redis')
    def test_get_client(self):
        import redis as R
        KombuRedis = redis.Channel._get_client(self.channel)
        self.assertTrue(KombuRedis)

        Rv = getattr(R, '__version__')
        try:
            R.__version__ = '2.4.0'
            with self.assertRaises(VersionMismatch):
                redis.Channel._get_client(self.channel)
        finally:
            if Rv is not None:
                R.__version__ = Rv

    @skip_if_not_module('redis')
    def test_get_response_error(self):
        from redis.exceptions import ResponseError
        self.assertIs(redis.Channel._get_response_error(self.channel),
                      ResponseError)

    def test_avail_client_when_not_in_poll(self):
        self.channel._in_poll = False
        c = self.channel.client = Mock()

        self.assertIs(self.channel._avail_client, c)

    def test_avail_client_when_in_poll(self):
        self.channel._in_poll = True
        cc = self.channel._create_client = Mock()

        self.assertTrue(self.channel._avail_client)
        cc.assert_called_with()

    @skip_if_not_module('redis')
    def test_transport_get_errors(self):
        self.assertTrue(redis.Transport._get_errors(self.connection.transport))

    @skip_if_not_module('redis')
    def test_transport_get_errors_when_InvalidData_used(self):
        from redis import exceptions

        class ID(Exception):
            pass

        DataError = getattr(exceptions, 'DataError', None)
        InvalidData = getattr(exceptions, 'InvalidData', None)
        exceptions.InvalidData = ID
        exceptions.DataError = None
        try:
            errors = redis.Transport._get_errors(self.connection.transport)
            self.assertTrue(errors)
            self.assertIn(ID, errors[1])
        finally:
            if DataError is not None:
                exceptions.DataError = DataError
            if InvalidData is not None:
                exceptions.InvalidData = InvalidData

    def test_empty_queues_key(self):
        channel = self.channel
        channel._in_poll = False
        key = channel.keyprefix_queue % 'celery'

        # Everything is fine, there is a list of queues.
        channel.client.sadd(key, 'celery\x06\x16\x06\x16celery')
        self.assertListEqual(channel.get_table('celery'),
                             [('celery', '', 'celery')])

        # ... then for some reason, the _kombu.binding.celery key gets lost
        channel.client.srem(key)

        # which raises a channel error so that the consumer/publisher
        # can recover by redeclaring the required entities.
        with self.assertRaises(InconsistencyError):
            self.channel.get_table('celery')
class test_FilesystemTransport(TestCase):
    def setUp(self):
        try:
            data_folder_in = tempfile.mkdtemp()
            data_folder_out = tempfile.mkdtemp()
        except Exception:
            raise SkipTest('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.p = Connection(transport='filesystem',
                            transport_options={
                                'data_folder_in': data_folder_out,
                                'data_folder_out': data_folder_in,
                            })
        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 test_produce_consume_noack(self):
        producer = Producer(self.p.channel(), self.e)
        consumer = Consumer(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()

        self.assertEqual(len(_received), 10)

    def test_produce_consume(self):
        producer_channel = self.p.channel()
        consumer_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()

        self.assertEqual(len(_received1) + len(_received2), 20)

        # compression
        producer.publish({'compressed': True},
                         routing_key='test_transport_filesystem',
                         compression='zlib')
        m = self.q(consumer_channel).get()
        self.assertDictEqual(m.payload, {'compressed': True})

        # queue.delete
        for i in range(10):
            producer.publish({'foo': i},
                             routing_key='test_transport_filesystem')
        self.assertTrue(self.q(consumer_channel).get())
        self.q(consumer_channel).delete()
        self.q(consumer_channel).declare()
        self.assertIsNone(self.q(consumer_channel).get())

        # queue.purge
        for i in range(10):
            producer.publish({'foo': i},
                             routing_key='test_transport_filesystem2')
        self.assertTrue(self.q2(consumer_channel).get())
        self.q2(consumer_channel).purge()
        self.assertIsNone(self.q2(consumer_channel).get())