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import pytest
from case import Mock
from kombu import Connection, Consumer, Exchange, Producer, Queue
from kombu.message import Message
from kombu.transport.base import (
StdChannel, Transport, Management, to_rabbitmq_queue_arguments,
)
@pytest.mark.parametrize('args,input,expected', [
({}, {'message_ttl': 20}, {'x-message-ttl': 20000}),
({}, {'message_ttl': None}, {}),
({'foo': 'bar'}, {'expires': 30.3}, {'x-expires': 30300, 'foo': 'bar'}),
({'x-expires': 3}, {'expires': 4}, {'x-expires': 4000}),
({}, {'max_length': 10}, {'x-max-length': 10}),
({}, {'max_length_bytes': 1033}, {'x-max-length-bytes': 1033}),
({}, {'max_priority': 303}, {'x-max-priority': 303}),
])
def test_rabbitmq_queue_arguments(args, input, expected):
assert to_rabbitmq_queue_arguments(args, **input) == expected
class test_StdChannel:
def setup(self):
self.conn = Connection('memory://')
self.channel = self.conn.channel()
self.channel.queues.clear()
self.conn.connection.state.clear()
def test_Consumer(self):
q = Queue('foo', Exchange('foo'))
cons = self.channel.Consumer(q)
assert isinstance(cons, Consumer)
assert cons.channel is self.channel
def test_Producer(self):
prod = self.channel.Producer()
assert isinstance(prod, Producer)
assert prod.channel is self.channel
def test_interface_get_bindings(self):
with pytest.raises(NotImplementedError):
StdChannel().get_bindings()
def test_interface_after_reply_message_received(self):
assert StdChannel().after_reply_message_received(Queue('foo')) is None
class test_Message:
def setup(self):
self.conn = Connection('memory://')
self.channel = self.conn.channel()
self.message = Message(channel=self.channel, delivery_tag=313)
def test_postencode(self):
m = Message('FOO', channel=self.channel, postencode='ccyzz')
with pytest.raises(LookupError):
m._reraise_error()
m.ack()
def test_ack_respects_no_ack_consumers(self):
self.channel.no_ack_consumers = {'abc'}
self.message.delivery_info['consumer_tag'] = 'abc'
ack = self.channel.basic_ack = Mock()
self.message.ack()
assert self.message._state != 'ACK'
ack.assert_not_called()
def test_ack_missing_consumer_tag(self):
self.channel.no_ack_consumers = {'abc'}
self.message.delivery_info = {}
ack = self.channel.basic_ack = Mock()
self.message.ack()
ack.assert_called_with(self.message.delivery_tag, multiple=False)
def test_ack_not_no_ack(self):
self.channel.no_ack_consumers = set()
self.message.delivery_info['consumer_tag'] = 'abc'
ack = self.channel.basic_ack = Mock()
self.message.ack()
ack.assert_called_with(self.message.delivery_tag, multiple=False)
def test_ack_log_error_when_no_error(self):
ack = self.message.ack = Mock()
self.message.ack_log_error(Mock(), KeyError)
ack.assert_called_with(multiple=False)
def test_ack_log_error_when_error(self):
ack = self.message.ack = Mock()
ack.side_effect = KeyError('foo')
logger = Mock()
self.message.ack_log_error(logger, KeyError)
ack.assert_called_with(multiple=False)
logger.critical.assert_called()
assert "Couldn't ack" in logger.critical.call_args[0][0]
def test_reject_log_error_when_no_error(self):
reject = self.message.reject = Mock()
self.message.reject_log_error(Mock(), KeyError, requeue=True)
reject.assert_called_with(requeue=True)
def test_reject_log_error_when_error(self):
reject = self.message.reject = Mock()
reject.side_effect = KeyError('foo')
logger = Mock()
self.message.reject_log_error(logger, KeyError)
reject.assert_called_with(requeue=False)
logger.critical.assert_called()
assert "Couldn't reject" in logger.critical.call_args[0][0]
class test_interface:
def test_establish_connection(self):
with pytest.raises(NotImplementedError):
Transport(None).establish_connection()
def test_close_connection(self):
with pytest.raises(NotImplementedError):
Transport(None).close_connection(None)
def test_create_channel(self):
with pytest.raises(NotImplementedError):
Transport(None).create_channel(None)
def test_close_channel(self):
with pytest.raises(NotImplementedError):
Transport(None).close_channel(None)
def test_drain_events(self):
with pytest.raises(NotImplementedError):
Transport(None).drain_events(None)
def test_heartbeat_check(self):
Transport(None).heartbeat_check(Mock(name='connection'))
def test_driver_version(self):
assert Transport(None).driver_version()
def test_register_with_event_loop(self):
Transport(None).register_with_event_loop(
Mock(name='connection'), Mock(name='loop'),
)
def test_unregister_from_event_loop(self):
Transport(None).unregister_from_event_loop(
Mock(name='connection'), Mock(name='loop'),
)
def test_manager(self):
assert Transport(None).manager
class test_Management:
def test_get_bindings(self):
m = Management(Mock(name='transport'))
with pytest.raises(NotImplementedError):
m.get_bindings()
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