kombu/t/unit/test_entity.py

427 lines
13 KiB
Python

from __future__ import annotations
import pickle
from unittest.mock import Mock, call
import pytest
from kombu import Connection, Exchange, Producer, Queue, binding
from kombu.abstract import MaybeChannelBound
from kombu.exceptions import NotBoundError
from kombu.serialization import registry
from t.mocks import Transport
def get_conn():
return Connection(transport=Transport)
class test_binding:
def test_constructor(self):
x = binding(
Exchange('foo'), 'rkey',
arguments={'barg': 'bval'},
unbind_arguments={'uarg': 'uval'},
)
assert x.exchange == Exchange('foo')
assert x.routing_key == 'rkey'
assert x.arguments == {'barg': 'bval'}
assert x.unbind_arguments == {'uarg': 'uval'}
def test_declare(self):
chan = get_conn().channel()
x = binding(Exchange('foo'), 'rkey')
x.declare(chan)
assert 'exchange_declare' in chan
def test_declare_no_exchange(self):
chan = get_conn().channel()
x = binding()
x.declare(chan)
assert 'exchange_declare' not in chan
def test_bind(self):
chan = get_conn().channel()
x = binding(Exchange('foo'))
x.bind(Exchange('bar')(chan))
assert 'exchange_bind' in chan
def test_unbind(self):
chan = get_conn().channel()
x = binding(Exchange('foo'))
x.unbind(Exchange('bar')(chan))
assert 'exchange_unbind' in chan
def test_repr(self):
b = binding(Exchange('foo'), 'rkey')
assert 'foo' in repr(b)
assert 'rkey' in repr(b)
class test_Exchange:
def test_bound(self):
exchange = Exchange('foo', 'direct')
assert not exchange.is_bound
assert '<unbound' in repr(exchange)
chan = get_conn().channel()
bound = exchange.bind(chan)
assert bound.is_bound
assert bound.channel is chan
assert f'bound to chan:{chan.channel_id!r}' in repr(bound)
def test_hash(self):
assert hash(Exchange('a')) == hash(Exchange('a'))
assert hash(Exchange('a')) != hash(Exchange('b'))
def test_can_cache_declaration(self):
assert Exchange('a', durable=True).can_cache_declaration
assert Exchange('a', durable=False).can_cache_declaration
assert not Exchange('a', auto_delete=True).can_cache_declaration
assert not Exchange(
'a', durable=True, auto_delete=True,
).can_cache_declaration
def test_pickle(self):
e1 = Exchange('foo', 'direct')
e2 = pickle.loads(pickle.dumps(e1))
assert e1 == e2
def test_eq(self):
e1 = Exchange('foo', 'direct')
e2 = Exchange('foo', 'direct')
assert e1 == e2
e3 = Exchange('foo', 'topic')
assert e1 != e3
assert e1.__eq__(True) == NotImplemented
def test_revive(self):
exchange = Exchange('foo', 'direct')
conn = get_conn()
chan = conn.channel()
# reviving unbound channel is a noop.
exchange.revive(chan)
assert not exchange.is_bound
assert exchange._channel is None
bound = exchange.bind(chan)
assert bound.is_bound
assert bound.channel is chan
chan2 = conn.channel()
bound.revive(chan2)
assert bound.is_bound
assert bound._channel is chan2
def test_assert_is_bound(self):
exchange = Exchange('foo', 'direct')
with pytest.raises(NotBoundError):
exchange.declare()
conn = get_conn()
chan = conn.channel()
exchange.bind(chan).declare()
assert 'exchange_declare' in chan
def test_set_transient_delivery_mode(self):
exc = Exchange('foo', 'direct', delivery_mode='transient')
assert exc.delivery_mode == Exchange.TRANSIENT_DELIVERY_MODE
def test_set_passive_mode(self):
exc = Exchange('foo', 'direct', passive=True)
assert exc.passive
def test_set_persistent_delivery_mode(self):
exc = Exchange('foo', 'direct', delivery_mode='persistent')
assert exc.delivery_mode == Exchange.PERSISTENT_DELIVERY_MODE
def test_bind_at_instantiation(self):
assert Exchange('foo', channel=get_conn().channel()).is_bound
def test_create_message(self):
chan = get_conn().channel()
Exchange('foo', channel=chan).Message({'foo': 'bar'})
assert 'prepare_message' in chan
def test_publish(self):
chan = get_conn().channel()
Exchange('foo', channel=chan).publish('the quick brown fox')
assert 'basic_publish' in chan
def test_delete(self):
chan = get_conn().channel()
Exchange('foo', channel=chan).delete()
assert 'exchange_delete' in chan
def test__repr__(self):
b = Exchange('foo', 'topic')
assert 'foo(topic)' in repr(b)
assert 'Exchange' in repr(b)
def test_bind_to(self):
chan = get_conn().channel()
foo = Exchange('foo', 'topic')
bar = Exchange('bar', 'topic')
foo(chan).bind_to(bar)
assert 'exchange_bind' in chan
def test_bind_to_by_name(self):
chan = get_conn().channel()
foo = Exchange('foo', 'topic')
foo(chan).bind_to('bar')
assert 'exchange_bind' in chan
def test_unbind_from(self):
chan = get_conn().channel()
foo = Exchange('foo', 'topic')
bar = Exchange('bar', 'topic')
foo(chan).unbind_from(bar)
assert 'exchange_unbind' in chan
def test_unbind_from_by_name(self):
chan = get_conn().channel()
foo = Exchange('foo', 'topic')
foo(chan).unbind_from('bar')
assert 'exchange_unbind' in chan
def test_declare__no_declare(self):
chan = get_conn().channel()
foo = Exchange('foo', 'topic', no_declare=True)
foo(chan).declare()
assert 'exchange_declare' not in chan
def test_declare__internal_exchange(self):
chan = get_conn().channel()
foo = Exchange('amq.rabbitmq.trace', 'topic')
foo(chan).declare()
assert 'exchange_declare' not in chan
def test_declare(self):
chan = get_conn().channel()
foo = Exchange('foo', 'topic', no_declare=False)
foo(chan).declare()
assert 'exchange_declare' in chan
class test_Queue:
def setup(self):
self.exchange = Exchange('foo', 'direct')
def test_constructor_with_actual_exchange(self):
exchange = Exchange('exchange_name', 'direct')
queue = Queue(name='queue_name', exchange=exchange)
assert queue.exchange == exchange
def test_constructor_with_string_exchange(self):
exchange_name = 'exchange_name'
queue = Queue(name='queue_name', exchange=exchange_name)
assert queue.exchange == Exchange(exchange_name)
def test_constructor_with_default_exchange(self):
queue = Queue(name='queue_name')
assert queue.exchange == Exchange('')
def test_hash(self):
assert hash(Queue('a')) == hash(Queue('a'))
assert hash(Queue('a')) != hash(Queue('b'))
def test_repr_with_bindings(self):
ex = Exchange('foo')
x = Queue('foo', bindings=[ex.binding('A'), ex.binding('B')])
assert repr(x)
def test_anonymous(self):
chan = Mock()
x = Queue(bindings=[binding(Exchange('foo'), 'rkey')])
chan.queue_declare.return_value = 'generated', 0, 0
xx = x(chan)
xx.declare()
assert xx.name == 'generated'
def test_basic_get__accept_disallowed(self):
conn = Connection('memory://')
q = Queue('foo', exchange=self.exchange)
p = Producer(conn)
p.publish(
{'complex': object()},
declare=[q], exchange=self.exchange, serializer='pickle',
)
message = q(conn).get(no_ack=True)
assert message is not None
with pytest.raises(q.ContentDisallowed):
message.decode()
def test_basic_get__accept_allowed(self):
conn = Connection('memory://')
q = Queue('foo', exchange=self.exchange)
p = Producer(conn)
p.publish(
{'complex': object()},
declare=[q], exchange=self.exchange, serializer='pickle',
)
message = q(conn).get(accept=['pickle'], no_ack=True)
assert message is not None
payload = message.decode()
assert payload['complex']
def test_when_bound_but_no_exchange(self):
q = Queue('a')
q.exchange = None
assert q.when_bound() is None
def test_declare_but_no_exchange(self):
q = Queue('a')
q.queue_declare = Mock()
q.queue_bind = Mock()
q.exchange = None
q.declare()
q.queue_declare.assert_called_with(
channel=None, nowait=False, passive=False)
def test_declare__no_declare(self):
q = Queue('a', no_declare=True)
q.queue_declare = Mock()
q.queue_bind = Mock()
q.exchange = None
q.declare()
q.queue_declare.assert_not_called()
q.queue_bind.assert_not_called()
def test_bind_to_when_name(self):
chan = Mock()
q = Queue('a')
q(chan).bind_to('ex')
chan.queue_bind.assert_called()
def test_get_when_no_m2p(self):
chan = Mock()
q = Queue('a')(chan)
chan.message_to_python = None
assert q.get()
def test_multiple_bindings(self):
chan = Mock()
q = Queue('mul', [
binding(Exchange('mul1'), 'rkey1'),
binding(Exchange('mul2'), 'rkey2'),
binding(Exchange('mul3'), 'rkey3'),
])
q(chan).declare()
assert call(
nowait=False,
exchange='mul1',
auto_delete=False,
passive=False,
arguments=None,
type='direct',
durable=True,
) in chan.exchange_declare.call_args_list
def test_can_cache_declaration(self):
assert Queue('a', durable=True).can_cache_declaration
assert Queue('a', durable=False).can_cache_declaration
assert not Queue(
'a', queue_arguments={'x-expires': 100}
).can_cache_declaration
def test_eq(self):
q1 = Queue('xxx', Exchange('xxx', 'direct'), 'xxx')
q2 = Queue('xxx', Exchange('xxx', 'direct'), 'xxx')
assert q1 == q2
assert q1.__eq__(True) == NotImplemented
q3 = Queue('yyy', Exchange('xxx', 'direct'), 'xxx')
assert q1 != q3
def test_exclusive_implies_auto_delete(self):
assert Queue('foo', self.exchange, exclusive=True).auto_delete
def test_binds_at_instantiation(self):
assert Queue('foo', self.exchange,
channel=get_conn().channel()).is_bound
def test_also_binds_exchange(self):
chan = get_conn().channel()
b = Queue('foo', self.exchange)
assert not b.is_bound
assert not b.exchange.is_bound
b = b.bind(chan)
assert b.is_bound
assert b.exchange.is_bound
assert b.channel is b.exchange.channel
assert b.exchange is not self.exchange
def test_declare(self):
chan = get_conn().channel()
b = Queue('foo', self.exchange, 'foo', channel=chan)
assert b.is_bound
b.declare()
assert 'exchange_declare' in chan
assert 'queue_declare' in chan
assert 'queue_bind' in chan
def test_get(self):
b = Queue('foo', self.exchange, 'foo', channel=get_conn().channel())
b.get()
assert 'basic_get' in b.channel
def test_purge(self):
b = Queue('foo', self.exchange, 'foo', channel=get_conn().channel())
b.purge()
assert 'queue_purge' in b.channel
def test_consume(self):
b = Queue('foo', self.exchange, 'foo', channel=get_conn().channel())
b.consume('fifafo', None)
assert 'basic_consume' in b.channel
def test_cancel(self):
b = Queue('foo', self.exchange, 'foo', channel=get_conn().channel())
b.cancel('fifafo')
assert 'basic_cancel' in b.channel
def test_delete(self):
b = Queue('foo', self.exchange, 'foo', channel=get_conn().channel())
b.delete()
assert 'queue_delete' in b.channel
def test_queue_unbind(self):
b = Queue('foo', self.exchange, 'foo', channel=get_conn().channel())
b.queue_unbind()
assert 'queue_unbind' in b.channel
def test_as_dict(self):
q = Queue('foo', self.exchange, 'rk')
d = q.as_dict(recurse=True)
assert d['exchange']['name'] == self.exchange.name
def test_queue_dump(self):
b = binding(self.exchange, 'rk')
q = Queue('foo', self.exchange, 'rk', bindings=[b])
d = q.as_dict(recurse=True)
assert d['bindings'][0]['routing_key'] == 'rk'
registry.dumps(d)
def test__repr__(self):
b = Queue('foo', self.exchange, 'foo')
assert 'foo' in repr(b)
assert 'Queue' in repr(b)
class test_MaybeChannelBound:
def test_repr(self):
assert repr(MaybeChannelBound())