kombu/t/unit/test_pidbox.py

379 lines
12 KiB
Python

from __future__ import annotations
import socket
import warnings
from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
from unittest.mock import Mock, patch
import pytest
from kombu import Connection, pidbox
from kombu.exceptions import ContentDisallowed, InconsistencyError
from kombu.utils.uuid import uuid
def is_cast(message):
return message['method']
def is_call(message):
return message['method'] and message['reply_to']
class test_Mailbox:
class Mailbox(pidbox.Mailbox):
def _collect(self, *args, **kwargs):
return 'COLLECTED'
def setup(self):
self.mailbox = self.Mailbox('test_pidbox')
self.connection = Connection(transport='memory')
self.state = {'var': 1}
self.handlers = {'mymethod': self._handler}
self.bound = self.mailbox(self.connection)
self.default_chan = self.connection.channel()
self.node = self.bound.Node(
'test_pidbox',
state=self.state, handlers=self.handlers,
channel=self.default_chan,
)
def _handler(self, state):
return self.stats['var']
def test_broadcast_matcher_pattern_string_type(self):
mailbox = pidbox.Mailbox("test_matcher_str")(self.connection)
with pytest.raises(ValueError):
mailbox._broadcast("ping", pattern=1, matcher=2)
def test_publish_reply_ignores_InconsistencyError(self):
mailbox = pidbox.Mailbox('test_reply__collect')(self.connection)
with patch('kombu.pidbox.Producer') as Producer:
producer = Producer.return_value = Mock(name='producer')
producer.publish.side_effect = InconsistencyError()
mailbox._publish_reply(
{'foo': 'bar'}, mailbox.reply_exchange, mailbox.oid, 'foo',
)
producer.publish.assert_called()
def test_reply__collect(self):
mailbox = pidbox.Mailbox('test_reply__collect')(self.connection)
exchange = mailbox.reply_exchange.name
channel = self.connection.channel()
mailbox.reply_queue(channel).declare()
ticket = uuid()
mailbox._publish_reply({'foo': 'bar'}, exchange, mailbox.oid, ticket)
_callback_called = [False]
def callback(body):
_callback_called[0] = True
reply = mailbox._collect(ticket, limit=1,
callback=callback, channel=channel)
assert reply == [{'foo': 'bar'}]
assert _callback_called[0]
ticket = uuid()
mailbox._publish_reply({'biz': 'boz'}, exchange, mailbox.oid, ticket)
reply = mailbox._collect(ticket, limit=1, channel=channel)
assert reply == [{'biz': 'boz'}]
mailbox._publish_reply({'foo': 'BAM'}, exchange, mailbox.oid, 'doom',
serializer='pickle')
with pytest.raises(ContentDisallowed):
reply = mailbox._collect('doom', limit=1, channel=channel)
mailbox._publish_reply(
{'foo': 'BAMBAM'}, exchange, mailbox.oid, 'doom',
serializer='pickle',
)
reply = mailbox._collect('doom', limit=1, channel=channel,
accept=['pickle'])
assert reply[0]['foo'] == 'BAMBAM'
de = mailbox.connection.drain_events = Mock()
de.side_effect = socket.timeout
mailbox._collect(ticket, limit=1, channel=channel)
def test_reply__collect_uses_default_channel(self):
class ConsumerCalled(Exception):
pass
def fake_Consumer(channel, *args, **kwargs):
raise ConsumerCalled(channel)
ticket = uuid()
with patch('kombu.pidbox.Consumer') as Consumer:
mailbox = pidbox.Mailbox('test_reply__collect')(self.connection)
assert mailbox.connection.default_channel is not None
Consumer.side_effect = fake_Consumer
try:
mailbox._collect(ticket, limit=1)
except ConsumerCalled as c:
assert c.args[0] is not None
except Exception:
raise
else:
assert False, "Consumer not called"
def test__publish_uses_default_channel(self):
class QueueCalled(Exception):
pass
def queue__call__side(channel, *args, **kwargs):
raise QueueCalled(channel)
ticket = uuid()
with patch.object(pidbox.Queue, '__call__') as queue__call__:
mailbox = pidbox.Mailbox('test_reply__collect')(self.connection)
queue__call__.side_effect = queue__call__side
try:
mailbox._publish(ticket, {}, reply_ticket=ticket)
except QueueCalled as c:
assert c.args[0] is not None
except Exception:
raise
else:
assert False, "Queue not called"
def test_constructor(self):
assert self.mailbox.connection is None
assert self.mailbox.exchange.name
assert self.mailbox.reply_exchange.name
def test_bound(self):
bound = self.mailbox(self.connection)
assert bound.connection is self.connection
def test_Node(self):
assert self.node.hostname
assert self.node.state
assert self.node.mailbox is self.bound
assert self.handlers
# No initial handlers
node2 = self.bound.Node('test_pidbox2', state=self.state)
assert node2.handlers == {}
def test_Node_consumer(self):
consumer1 = self.node.Consumer()
assert consumer1.channel is self.default_chan
assert consumer1.no_ack
chan2 = self.connection.channel()
consumer2 = self.node.Consumer(channel=chan2, no_ack=False)
assert consumer2.channel is chan2
assert not consumer2.no_ack
def test_Node_consumer_multiple_listeners(self):
warnings.resetwarnings()
consumer = self.node.Consumer()
q = consumer.queues[0]
with warnings.catch_warnings(record=True) as log:
q.on_declared('foo', 1, 1)
assert log
assert 'already using this' in log[0].message.args[0]
with warnings.catch_warnings(record=True) as log:
q.on_declared('foo', 1, 0)
assert not log
def test_handler(self):
node = self.bound.Node('test_handler', state=self.state)
@node.handler
def my_handler_name(state):
return 42
assert 'my_handler_name' in node.handlers
def test_dispatch(self):
node = self.bound.Node('test_dispatch', state=self.state)
@node.handler
def my_handler_name(state, x=None, y=None):
return x + y
assert node.dispatch('my_handler_name',
arguments={'x': 10, 'y': 10}) == 20
def test_dispatch_raising_SystemExit(self):
node = self.bound.Node('test_dispatch_raising_SystemExit',
state=self.state)
@node.handler
def my_handler_name(state):
raise SystemExit
with pytest.raises(SystemExit):
node.dispatch('my_handler_name')
def test_dispatch_raising(self):
node = self.bound.Node('test_dispatch_raising', state=self.state)
@node.handler
def my_handler_name(state):
raise KeyError('foo')
res = node.dispatch('my_handler_name')
assert 'error' in res
assert 'KeyError' in res['error']
def test_dispatch_replies(self):
_replied = [False]
def reply(data, **options):
_replied[0] = True
node = self.bound.Node('test_dispatch', state=self.state)
node.reply = reply
@node.handler
def my_handler_name(state, x=None, y=None):
return x + y
node.dispatch('my_handler_name',
arguments={'x': 10, 'y': 10},
reply_to={'exchange': 'foo', 'routing_key': 'bar'})
assert _replied[0]
def test_reply(self):
_replied = [(None, None, None)]
def publish_reply(data, exchange, routing_key, ticket, **kwargs):
_replied[0] = (data, exchange, routing_key, ticket)
mailbox = self.mailbox(self.connection)
mailbox._publish_reply = publish_reply
node = mailbox.Node('test_reply')
@node.handler
def my_handler_name(state):
return 42
node.dispatch('my_handler_name',
reply_to={'exchange': 'exchange',
'routing_key': 'rkey'},
ticket='TICKET')
data, exchange, routing_key, ticket = _replied[0]
assert data == {'test_reply': 42}
assert exchange == 'exchange'
assert routing_key == 'rkey'
assert ticket == 'TICKET'
def test_handle_message(self):
node = self.bound.Node('test_dispatch_from_message')
@node.handler
def my_handler_name(state, x=None, y=None):
return x * y
body = {'method': 'my_handler_name',
'arguments': {'x': 64, 'y': 64}}
assert node.handle_message(body, None) == 64 * 64
# message not for me should not be processed.
body['destination'] = ['some_other_node']
assert node.handle_message(body, None) is None
# message for me should be processed.
body['destination'] = ['test_dispatch_from_message']
assert node.handle_message(body, None) is not None
# message not for me should not be processed.
body.pop("destination")
body['matcher'] = 'glob'
body["pattern"] = "something*"
assert node.handle_message(body, None) is None
body["pattern"] = "test*"
assert node.handle_message(body, None) is not None
def test_handle_message_adjusts_clock(self):
node = self.bound.Node('test_adjusts_clock')
@node.handler
def my_handler_name(state):
return 10
body = {'method': 'my_handler_name',
'arguments': {}}
message = Mock(name='message')
message.headers = {'clock': 313}
node.adjust_clock = Mock(name='adjust_clock')
res = node.handle_message(body, message)
node.adjust_clock.assert_called_with(313)
assert res == 10
def test_listen(self):
consumer = self.node.listen()
assert consumer.callbacks[0] == self.node.handle_message
assert consumer.channel == self.default_chan
def test_cast(self):
self.bound.cast(['somenode'], 'mymethod')
consumer = self.node.Consumer()
assert is_cast(self.get_next(consumer))
def test_abcast(self):
self.bound.abcast('mymethod')
consumer = self.node.Consumer()
assert is_cast(self.get_next(consumer))
def test_call_destination_must_be_sequence(self):
with pytest.raises(ValueError):
self.bound.call('some_node', 'mymethod')
def test_call(self):
assert self.bound.call(['some_node'], 'mymethod') == 'COLLECTED'
consumer = self.node.Consumer()
assert is_call(self.get_next(consumer))
def test_multi_call(self):
assert self.bound.multi_call('mymethod') == 'COLLECTED'
consumer = self.node.Consumer()
assert is_call(self.get_next(consumer))
def get_next(self, consumer):
m = consumer.queues[0].get()
if m:
return m.payload
GLOBAL_PIDBOX = pidbox.Mailbox('global_unittest_mailbox')
def getoid():
return GLOBAL_PIDBOX.oid
class test_PidboxOid:
"""Unittests checking oid consistency of Pidbox"""
def test_oid_consistency(self):
"""Tests that oid is consistent in single process"""
m1 = pidbox.Mailbox('mailbox1')
m2 = pidbox.Mailbox('mailbox2')
assert m1.oid == m1.oid
assert m2.oid == m2.oid
assert m1.oid != m2.oid
def test_subprocess_oid(self):
"""Tests that subprocess will not share oid with parent process."""
oid = GLOBAL_PIDBOX.oid
with ProcessPoolExecutor() as e:
res = e.submit(getoid)
subprocess_oid = res.result()
assert subprocess_oid != oid
def test_thread_oid(self):
"""Tests that threads will not share oid."""
oid = GLOBAL_PIDBOX.oid
with ThreadPoolExecutor() as e:
res = e.submit(getoid)
subprocess_oid = res.result()
assert subprocess_oid != oid