osprofiler/osprofiler/tests/unit/drivers/test_messaging.py
Sean McGinnis 6a4d27f7b7
Use unittest.mock instead of third party mock
Now that we no longer support py27, we can use the standard library
unittest.mock module instead of the third party mock lib.

Change-Id: I76e01d55ff4d9095a6dbf520752042824225de73
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2020-04-18 11:57:01 -05:00

73 lines
2.4 KiB
Python

# Copyright 2016 Mirantis 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.
from unittest import mock
from osprofiler.drivers import base
from osprofiler.tests import test
class MessagingTestCase(test.TestCase):
@mock.patch("oslo_utils.importutils.try_import")
def test_init_no_oslo_messaging(self, try_import_mock):
try_import_mock.return_value = None
self.assertRaises(
ValueError, base.get_driver,
"messaging://", project="project", service="service",
host="host", context={})
@mock.patch("oslo_utils.importutils.try_import")
def test_init_and_notify(self, try_import_mock):
context = "context"
transport = "transport"
project = "project"
service = "service"
host = "host"
# emulate dynamic load of oslo.messaging library
oslo_messaging_mock = mock.Mock()
try_import_mock.return_value = oslo_messaging_mock
# mock oslo.messaging APIs
notifier_mock = mock.Mock()
oslo_messaging_mock.Notifier.return_value = notifier_mock
oslo_messaging_mock.get_notification_transport.return_value = transport
notify_func = base.get_driver(
"messaging://", project=project, service=service,
context=context, host=host).notify
oslo_messaging_mock.Notifier.assert_called_once_with(
transport, publisher_id=host, driver="messaging",
topics=["profiler"], retry=0)
info = {
"a": 10,
"project": project,
"service": service,
"host": host
}
notify_func(info)
notifier_mock.info.assert_called_once_with(
context, "profiler.service", info)
notifier_mock.reset_mock()
notify_func(info, context="my_context")
notifier_mock.info.assert_called_once_with(
"my_context", "profiler.service", info)