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# -*- coding: utf-8 -*-
# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
try:
from kombu import message # noqa
except ImportError:
from kombu.transport import base as message
from taskflow.engines.worker_based import dispatcher
from taskflow import test
from taskflow.test import mock
def mock_acked_message(ack_ok=True, **kwargs):
msg = mock.create_autospec(message.Message, spec_set=True, instance=True,
channel=None, **kwargs)
def ack_side_effect(*args, **kwargs):
msg.acknowledged = True
if ack_ok:
msg.ack_log_error.side_effect = ack_side_effect
msg.acknowledged = False
return msg
class TestDispatcher(test.TestCase):
def test_creation(self):
on_hello = mock.MagicMock()
handlers = {'hello': dispatcher.Handler(on_hello)}
dispatcher.TypeDispatcher(type_handlers=handlers)
def test_on_message(self):
on_hello = mock.MagicMock()
handlers = {'hello': dispatcher.Handler(on_hello)}
d = dispatcher.TypeDispatcher(type_handlers=handlers)
msg = mock_acked_message(properties={'type': 'hello'})
d.on_message("", msg)
self.assertTrue(on_hello.called)
self.assertTrue(msg.ack_log_error.called)
self.assertTrue(msg.acknowledged)
def test_on_rejected_message(self):
d = dispatcher.TypeDispatcher()
msg = mock_acked_message(properties={'type': 'hello'})
d.on_message("", msg)
self.assertTrue(msg.reject_log_error.called)
self.assertFalse(msg.acknowledged)
def test_on_requeue_message(self):
d = dispatcher.TypeDispatcher()
d.requeue_filters.append(lambda data, message: True)
msg = mock_acked_message()
d.on_message("", msg)
self.assertTrue(msg.requeue.called)
self.assertFalse(msg.acknowledged)
def test_failed_ack(self):
on_hello = mock.MagicMock()
handlers = {'hello': dispatcher.Handler(on_hello)}
d = dispatcher.TypeDispatcher(type_handlers=handlers)
msg = mock_acked_message(ack_ok=False,
properties={'type': 'hello'})
d.on_message("", msg)
self.assertTrue(msg.ack_log_error.called)
self.assertFalse(msg.acknowledged)
self.assertFalse(on_hello.called)
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