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# 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.
import mock
from nova.cmd import scheduler
from nova import config
from nova import test
# required because otherwise oslo early parse_args dies
@mock.patch.object(config, 'parse_args', new=lambda *args, **kwargs: None)
class TestScheduler(test.NoDBTestCase):
@mock.patch('nova.service.Service.create')
@mock.patch('nova.service.serve')
@mock.patch('nova.service.wait')
@mock.patch('oslo_concurrency.processutils.get_worker_count',
return_value=2)
def test_workers_defaults(self, get_worker_count, mock_wait, mock_serve,
service_create):
scheduler.main()
get_worker_count.assert_called_once_with()
mock_serve.assert_called_once_with(
service_create.return_value, workers=2)
mock_wait.assert_called_once_with()
@mock.patch('nova.service.Service.create')
@mock.patch('nova.service.serve')
@mock.patch('nova.service.wait')
@mock.patch('oslo_concurrency.processutils.get_worker_count')
def test_workers_override(self, get_worker_count, mock_wait, mock_serve,
service_create):
self.flags(workers=4, group='scheduler')
scheduler.main()
get_worker_count.assert_not_called()
mock_serve.assert_called_once_with(
service_create.return_value, workers=4)
mock_wait.assert_called_once_with()
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