nova/nova/tests/unit/scheduler/test_rpcapi.py

70 lines
2.4 KiB
Python

# Copyright 2013 Red Hat, Inc.
#
# 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.
"""
Unit Tests for nova.scheduler.rpcapi
"""
from mox3 import mox
from oslo.config import cfg
from nova import context
from nova.scheduler import rpcapi as scheduler_rpcapi
from nova import test
CONF = cfg.CONF
class SchedulerRpcAPITestCase(test.NoDBTestCase):
def _test_scheduler_api(self, method, rpc_method, **kwargs):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = scheduler_rpcapi.SchedulerAPI()
self.assertIsNotNone(rpcapi.client)
self.assertEqual(rpcapi.client.target.topic, CONF.scheduler_topic)
expected_retval = 'foo' if rpc_method == 'call' else None
expected_version = kwargs.pop('version', None)
expected_fanout = kwargs.pop('fanout', None)
expected_kwargs = kwargs.copy()
self.mox.StubOutWithMock(rpcapi, 'client')
rpcapi.client.can_send_version(
mox.IsA(str)).MultipleTimes().AndReturn(True)
prepare_kwargs = {}
if expected_fanout:
prepare_kwargs['fanout'] = True
if expected_version:
prepare_kwargs['version'] = expected_version
rpcapi.client.prepare(**prepare_kwargs).AndReturn(rpcapi.client)
rpc_method = getattr(rpcapi.client, rpc_method)
rpc_method(ctxt, method, **expected_kwargs).AndReturn('foo')
self.mox.ReplayAll()
# NOTE(markmc): MultipleTimes() is OnceOrMore() not ZeroOrMore()
rpcapi.client.can_send_version('I fool you mox')
retval = getattr(rpcapi, method)(ctxt, **kwargs)
self.assertEqual(retval, expected_retval)
def test_select_destinations(self):
self._test_scheduler_api('select_destinations', rpc_method='call',
request_spec='fake_request_spec',
filter_properties='fake_prop')