mistral/mistral/tests/unit/engine/rpc_backend/kombu/test_kombu_listener.py

223 lines
6.8 KiB
Python

# Copyright (c) 2017 Intel Corporation
# 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.
from mistral import exceptions as exc
from mistral.tests.unit.engine.rpc_backend.kombu import base
from mistral.tests.unit.engine.rpc_backend.kombu import fake_kombu
from mistral import utils
import mock
from six import moves
with mock.patch.dict('sys.modules', kombu=fake_kombu):
from mistral.engine.rpc_backend.kombu import base as kombu_base
from mistral.engine.rpc_backend.kombu import kombu_listener
class TestException(exc.MistralException):
pass
class KombuListenerTestCase(base.KombuTestCase):
def setUp(self):
super(KombuListenerTestCase, self).setUp()
self.listener = kombu_listener.KombuRPCListener(
[mock.MagicMock()],
mock.MagicMock()
)
self.ctx = type('context', (object,), {'to_dict': lambda self: {}})()
def test_add_listener(self):
correlation_id = utils.generate_unicode_uuid()
self.listener.add_listener(correlation_id)
self.assertEqual(
type(self.listener._results.get(correlation_id)),
moves.queue.Queue
)
self.assertEqual(
self.listener._results[correlation_id].qsize(),
0
)
def test_remove_listener_correlation_id_in_results(self):
correlation_id = utils.generate_unicode_uuid()
self.listener.add_listener(correlation_id)
self.assertEqual(
type(self.listener._results.get(correlation_id)),
moves.queue.Queue
)
self.listener.remove_listener(correlation_id)
self.assertEqual(
self.listener._results.get(correlation_id),
None
)
def test_remove_listener_correlation_id_not_in_results(self):
correlation_id = utils.generate_unicode_uuid()
self.listener.add_listener(correlation_id)
self.assertEqual(
type(self.listener._results.get(correlation_id)),
moves.queue.Queue
)
self.listener.remove_listener(utils.generate_unicode_uuid())
self.assertEqual(
type(self.listener._results.get(correlation_id)),
moves.queue.Queue
)
@mock.patch('threading.Thread')
def test_start_thread_not_set(self, thread_class_mock):
thread_mock = mock.MagicMock()
thread_class_mock.return_value = thread_mock
self.listener.start()
self.assertTrue(thread_mock.daemon)
self.assertEqual(thread_mock.start.call_count, 1)
@mock.patch('threading.Thread')
def test_start_thread_set(self, thread_class_mock):
thread_mock = mock.MagicMock()
thread_class_mock.return_value = thread_mock
self.listener._thread = mock.MagicMock()
self.listener.start()
self.assertEqual(thread_mock.start.call_count, 0)
def test_get_result_results_in_queue(self):
expected_result = 'abcd'
correlation_id = utils.generate_unicode_uuid()
self.listener.add_listener(correlation_id)
self.listener._results.get(correlation_id).put(expected_result)
result = self.listener.get_result(correlation_id, 5)
self.assertEqual(result, expected_result)
def test_get_result_not_in_queue(self):
correlation_id = utils.generate_unicode_uuid()
self.listener.add_listener(correlation_id)
self.assertRaises(
moves.queue.Empty,
self.listener.get_result,
correlation_id,
1 # timeout
)
def test_get_result_lack_of_queue(self):
correlation_id = utils.generate_unicode_uuid()
self.assertRaises(
KeyError,
self.listener.get_result,
correlation_id,
1 # timeout
)
def test__on_response_message_ack_fail(self):
message = mock.MagicMock()
message.ack.side_effect = Exception('Test Exception')
response = 'response'
kombu_listener.LOG = mock.MagicMock()
self.listener.on_message(response, message)
self.assertEqual(kombu_listener.LOG.debug.call_count, 1)
self.assertEqual(kombu_listener.LOG.exception.call_count, 1)
def test__on_response_message_ack_ok_corr_id_not_match(self):
message = mock.MagicMock()
message.properties = mock.MagicMock()
message.properties.__getitem__ = lambda *args, **kwargs: True
response = 'response'
kombu_listener.LOG = mock.MagicMock()
self.listener.on_message(response, message)
self.assertEqual(kombu_listener.LOG.debug.call_count, 3)
self.assertEqual(kombu_listener.LOG.exception.call_count, 0)
def test__on_response_message_ack_ok_messsage_type_error(self):
correlation_id = utils.generate_unicode_uuid()
message = mock.MagicMock()
message.properties = dict()
message.properties['type'] = 'error'
message.properties['correlation_id'] = correlation_id
response = TestException('response')
kombu_listener.LOG = mock.MagicMock()
self.listener.add_listener(correlation_id)
self.listener.on_message(response, message)
self.assertEqual(kombu_listener.LOG.debug.call_count, 2)
self.assertEqual(kombu_listener.LOG.exception.call_count, 0)
result = self.listener.get_result(correlation_id, 5)
self.assertDictEqual(
result,
{
kombu_base.TYPE: 'error',
kombu_base.RESULT: response
}
)
def test__on_response_message_ack_ok(self):
correlation_id = utils.generate_unicode_uuid()
message = mock.MagicMock()
message.properties = dict()
message.properties['type'] = None
message.properties['correlation_id'] = correlation_id
response = 'response'
kombu_listener.LOG = mock.MagicMock()
self.listener.add_listener(correlation_id)
self.listener.on_message(response, message)
self.assertEqual(kombu_listener.LOG.debug.call_count, 2)
self.assertEqual(kombu_listener.LOG.exception.call_count, 0)
result = self.listener.get_result(correlation_id, 5)
self.assertDictEqual(
result,
{
kombu_base.TYPE: None,
kombu_base.RESULT: response
}
)