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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012, 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 nova import context
from nova import flags
from nova.openstack.common import rpc
from nova.scheduler import rpcapi as scheduler_rpcapi
from nova import test
FLAGS = flags.FLAGS
class SchedulerRpcAPITestCase(test.TestCase):
def setUp(self):
super(SchedulerRpcAPITestCase, self).setUp()
def tearDown(self):
super(SchedulerRpcAPITestCase, self).tearDown()
def _test_scheduler_api(self, method, rpc_method, **kwargs):
ctxt = context.RequestContext('fake_user', 'fake_project')
rpcapi = scheduler_rpcapi.SchedulerAPI()
expected_retval = 'foo' if method == 'call' else None
expected_msg = rpcapi.make_msg(method, **kwargs)
expected_msg['version'] = rpcapi.BASE_RPC_API_VERSION
if rpc_method == 'cast' and method == 'run_instance':
kwargs['call'] = False
self.fake_args = None
self.fake_kwargs = None
def _fake_rpc_method(*args, **kwargs):
self.fake_args = args
self.fake_kwargs = kwargs
if expected_retval:
return expected_retval
self.stubs.Set(rpc, rpc_method, _fake_rpc_method)
retval = getattr(rpcapi, method)(ctxt, **kwargs)
self.assertEqual(retval, expected_retval)
expected_args = [ctxt, FLAGS.scheduler_topic, expected_msg]
for arg, expected_arg in zip(self.fake_args, expected_args):
self.assertEqual(arg, expected_arg)
def test_run_instance_call(self):
self._test_scheduler_api('run_instance', rpc_method='call',
topic='fake_topic', request_spec='fake_request_spec',
admin_password='pw', injected_files='fake_injected_files',
requested_networks='fake_requested_networks',
is_first_time=True, filter_properties='fake_filter_properties',
reservations=None)
def test_run_instance_cast(self):
self._test_scheduler_api('run_instance', rpc_method='cast',
topic='fake_topic', request_spec='fake_request_spec',
admin_password='pw', injected_files='fake_injected_files',
requested_networks='fake_requested_networks',
is_first_time=True, filter_properties='fake_filter_properties',
reservations=None)
def test_prep_resize(self):
self._test_scheduler_api('prep_resize', rpc_method='cast',
topic='fake_topic', instance_uuid='fake_uuid',
instance_type_id='fake_type_id', image='fake_image',
update_db='fake_update_db', request_spec='fake_request_spec',
filter_properties='fake_props')
def test_show_host_resources(self):
self._test_scheduler_api('show_host_resources', rpc_method='call',
host='fake_host')
def test_live_migration(self):
self._test_scheduler_api('live_migration', rpc_method='call',
block_migration='fake_block_migration',
disk_over_commit='fake_disk_over_commit',
instance_id='fake_id', dest='fake_dest', topic='fake_topic')
def test_update_service_capabilities(self):
self._test_scheduler_api('update_service_capabilities',
rpc_method='fanout_cast', service_name='fake_name',
host='fake_host', capabilities='fake_capabilities')
def test_get_host_list(self):
self._test_scheduler_api('get_host_list', rpc_method='call')
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