manila/manila/tests/scheduler/drivers/test_base.py

107 lines
3.9 KiB
Python

# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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.
"""
Tests For Base Scheduler
"""
from unittest import mock
from oslo_config import cfg
from oslo_utils import timeutils
from manila import context
from manila import db
from manila.scheduler.drivers import base
from manila import test
from manila import utils
CONF = cfg.CONF
class SchedulerTestCase(test.TestCase):
"""Test case for base scheduler driver class."""
# So we can subclass this test and re-use tests if we need.
driver_cls = base.Scheduler
def setUp(self):
super(SchedulerTestCase, self).setUp()
self.driver = self.driver_cls()
self.context = context.RequestContext('fake_user', 'fake_project')
self.topic = 'fake_topic'
def test_update_service_capabilities(self):
service_name = 'fake_service'
host = 'fake_host'
capabilities = {'fake_capability': 'fake_value'}
with mock.patch.object(self.driver.host_manager,
'update_service_capabilities', mock.Mock()):
self.driver.update_service_capabilities(
service_name, host, capabilities)
(self.driver.host_manager.update_service_capabilities.
assert_called_once_with(service_name, host, capabilities))
def test_hosts_up(self):
service1 = {'host': 'host1'}
service2 = {'host': 'host2'}
services = [service1, service2]
def fake_service_is_up(*args, **kwargs):
if args[0]['host'] == 'host1':
return False
return True
with mock.patch.object(db, 'service_get_all_by_topic',
mock.Mock(return_value=services)):
with mock.patch.object(utils, 'service_is_up',
mock.Mock(side_effect=fake_service_is_up)):
result = self.driver.hosts_up(self.context, self.topic)
self.assertEqual(['host2'], result)
db.service_get_all_by_topic.assert_called_once_with(
self.context, self.topic)
class SchedulerDriverBaseTestCase(SchedulerTestCase):
"""Test cases for base scheduler driver class methods.
These can't fail if the driver is changed.
"""
def test_unimplemented_schedule(self):
fake_args = (1, 2, 3)
fake_kwargs = {'cat': 'meow'}
self.assertRaises(NotImplementedError, self.driver.schedule,
self.context, self.topic, 'schedule_something',
*fake_args, **fake_kwargs)
class SchedulerDriverModuleTestCase(test.TestCase):
"""Test case for scheduler driver module methods."""
def setUp(self):
super(SchedulerDriverModuleTestCase, self).setUp()
self.context = context.RequestContext('fake_user', 'fake_project')
@mock.patch.object(db, 'share_update', mock.Mock())
def test_share_host_update_db(self):
with mock.patch.object(timeutils, 'utcnow',
mock.Mock(return_value='fake-now')):
base.share_update_db(self.context, 31337, 'fake_host')
db.share_update.assert_called_once_with(
self.context, 31337,
{'host': 'fake_host', 'scheduled_at': 'fake-now'})