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from unittest.mock import Mock
import pytest
from kombu import Connection
from kombu.transport.virtual import exchange
from t.mocks import Transport
class ExchangeCase:
type = None
def setup(self):
if self.type:
self.e = self.type(Connection(transport=Transport).channel())
class test_Direct(ExchangeCase):
type = exchange.DirectExchange
table = [('rFoo', None, 'qFoo'),
('rFoo', None, 'qFox'),
('rBar', None, 'qBar'),
('rBaz', None, 'qBaz')]
@pytest.mark.parametrize('exchange,routing_key,default,expected', [
('eFoo', 'rFoo', None, {'qFoo', 'qFox'}),
('eMoz', 'rMoz', 'DEFAULT', set()),
('eBar', 'rBar', None, {'qBar'}),
])
def test_lookup(self, exchange, routing_key, default, expected):
assert self.e.lookup(
self.table, exchange, routing_key, default) == expected
class test_Fanout(ExchangeCase):
type = exchange.FanoutExchange
table = [(None, None, 'qFoo'),
(None, None, 'qFox'),
(None, None, 'qBar')]
def test_lookup(self):
assert self.e.lookup(self.table, 'eFoo', 'rFoo', None) == {
'qFoo', 'qFox', 'qBar',
}
def test_deliver_when_fanout_supported(self):
self.e.channel = Mock()
self.e.channel.supports_fanout = True
message = Mock()
self.e.deliver(message, 'exchange', 'rkey')
self.e.channel._put_fanout.assert_called_with(
'exchange', message, 'rkey',
)
def test_deliver_when_fanout_unsupported(self):
self.e.channel = Mock()
self.e.channel.supports_fanout = False
self.e.deliver(Mock(), 'exchange', None)
self.e.channel._put_fanout.assert_not_called()
class test_Topic(ExchangeCase):
type = exchange.TopicExchange
table = [
('stock.#', None, 'rFoo'),
('stock.us.*', None, 'rBar'),
]
def setup(self):
ExchangeCase.setup(self)
self.table = [(rkey, self.e.key_to_pattern(rkey), queue)
for rkey, _, queue in self.table]
def test_prepare_bind(self):
x = self.e.prepare_bind('qFoo', 'eFoo', 'stock.#', {})
assert x == ('stock.#', r'^stock\..*?$', 'qFoo')
@pytest.mark.parametrize('exchange,routing_key,default,expected', [
('eFoo', 'stock.us.nasdaq', None, {'rFoo', 'rBar'}),
('eFoo', 'stock.europe.OSE', None, {'rFoo'}),
('eFoo', 'stockxeuropexOSE', None, set()),
('eFoo', 'candy.schleckpulver.snap_crackle', None, set()),
])
def test_lookup(self, exchange, routing_key, default, expected):
assert self.e.lookup(
self.table, exchange, routing_key, default) == expected
assert self.e._compiled
def test_deliver(self):
self.e.channel = Mock()
self.e.channel._lookup.return_value = ('a', 'b')
message = Mock()
self.e.deliver(message, 'exchange', 'rkey')
assert self.e.channel._put.call_args_list == [
(('a', message), {}),
(('b', message), {}),
]
class test_TopicMultibind(ExchangeCase):
# Testing message delivery in case of multiple overlapping
# bindings for the same queue. As AMQP states, in case of
# overlapping bindings, a message must be delivered once to
# each matching queue.
type = exchange.TopicExchange
table = [
('stock', None, 'rFoo'),
('stock.#', None, 'rFoo'),
('stock.us.*', None, 'rFoo'),
('#', None, 'rFoo'),
]
def setup(self):
ExchangeCase.setup(self)
self.table = [(rkey, self.e.key_to_pattern(rkey), queue)
for rkey, _, queue in self.table]
@pytest.mark.parametrize('exchange,routing_key,default,expected', [
('eFoo', 'stock.us.nasdaq', None, {'rFoo'}),
('eFoo', 'stock.europe.OSE', None, {'rFoo'}),
('eFoo', 'stockxeuropexOSE', None, {'rFoo'}),
('eFoo', 'candy.schleckpulver.snap_crackle', None, {'rFoo'}),
])
def test_lookup(self, exchange, routing_key, default, expected):
assert self.e._compiled
assert self.e.lookup(
self.table, exchange, routing_key, default) == expected
class test_ExchangeType(ExchangeCase):
type = exchange.ExchangeType
def test_lookup(self):
with pytest.raises(NotImplementedError):
self.e.lookup([], 'eFoo', 'rFoo', None)
def test_prepare_bind(self):
assert self.e.prepare_bind('qFoo', 'eFoo', 'rFoo', {}) == (
'rFoo', None, 'qFoo',
)
e1 = {
'type': 'direct',
'durable': True,
'auto_delete': True,
'arguments': {},
}
e2 = dict(e1, arguments={'expires': 3000})
@pytest.mark.parametrize('ex,eq,name,type,durable,auto_delete,arguments', [
(e1, True, 'eFoo', 'direct', True, True, {}),
(e1, False, 'eFoo', 'topic', True, True, {}),
(e1, False, 'eFoo', 'direct', False, True, {}),
(e1, False, 'eFoo', 'direct', True, False, {}),
(e1, False, 'eFoo', 'direct', True, True, {'expires': 3000}),
(e2, True, 'eFoo', 'direct', True, True, {'expires': 3000}),
(e2, False, 'eFoo', 'direct', True, True, {'expires': 6000}),
])
def test_equivalent(
self, ex, eq, name, type, durable, auto_delete, arguments):
is_eq = self.e.equivalent(
ex, name, type, durable, auto_delete, arguments)
assert is_eq if eq else not is_eq
|
