glance/glance/tests/unit/api/test_cmd.py

133 lines
5.5 KiB
Python

# 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
import sys
import six
import glance.cmd.api
import glance.cmd.cache_cleaner
import glance.cmd.cache_pruner
import glance.common.config
from glance.common import exception as exc
import glance.common.wsgi
import glance.image_cache.cleaner
import glance.image_cache.pruner
from glance.tests import utils as test_utils
class TestGlanceApiCmd(test_utils.BaseTestCase):
__argv_backup = None
def _do_nothing(self, *args, **kwargs):
pass
def _raise(self, exc):
def fake(*args, **kwargs):
raise exc
return fake
def setUp(self):
super(TestGlanceApiCmd, self).setUp()
self.__argv_backup = sys.argv
sys.argv = ['glance-api']
self.stderr = six.StringIO()
sys.stderr = self.stderr
self.stubs.Set(glance.common.config, 'load_paste_app',
self._do_nothing)
self.stubs.Set(glance.common.wsgi.Server, 'start',
self._do_nothing)
self.stubs.Set(glance.common.wsgi.Server, 'wait',
self._do_nothing)
def tearDown(self):
sys.stderr = sys.__stderr__
sys.argv = self.__argv_backup
super(TestGlanceApiCmd, self).tearDown()
def test_supported_default_store(self):
self.config(default_store='file')
glance.cmd.api.main()
def test_unsupported_default_store(self):
self.config(default_store='shouldnotexist')
exit = self.assertRaises(SystemExit, glance.cmd.api.main)
self.assertEqual(exit.code, 1)
def test_worker_creation_failure(self):
failure = exc.WorkerCreationFailure(reason='test')
self.stubs.Set(glance.common.wsgi.Server, 'start',
self._raise(failure))
exit = self.assertRaises(SystemExit, glance.cmd.api.main)
self.assertEqual(exit.code, 2)
@mock.patch.object(glance.common.config, 'parse_cache_args')
@mock.patch.object(glance.openstack.common.log, 'setup')
@mock.patch.object(glance.image_cache.ImageCache, 'init_driver')
@mock.patch.object(glance.image_cache.ImageCache, 'clean')
def test_cache_cleaner_main(self, mock_cache_clean,
mock_cache_init_driver, mock_log_setup,
mock_parse_config):
mock_cache_init_driver.return_value = None
manager = mock.MagicMock()
manager.attach_mock(mock_log_setup, 'mock_log_setup')
manager.attach_mock(mock_parse_config, 'mock_parse_config')
manager.attach_mock(mock_cache_init_driver, 'mock_cache_init_driver')
manager.attach_mock(mock_cache_clean, 'mock_cache_clean')
glance.cmd.cache_cleaner.main()
expected_call_sequence = [mock.call.mock_parse_config(),
mock.call.mock_log_setup('glance'),
mock.call.mock_cache_init_driver(),
mock.call.mock_cache_clean()]
self.assertEqual(expected_call_sequence, manager.mock_calls)
@mock.patch.object(glance.image_cache.base.CacheApp, '__init__')
def test_cache_cleaner_main_runtime_exception_handling(self, mock_cache):
mock_cache.return_value = None
self.stubs.Set(glance.image_cache.cleaner.Cleaner, 'run',
self._raise(RuntimeError))
exit = self.assertRaises(SystemExit, glance.cmd.cache_cleaner.main)
self.assertEqual('ERROR: ', exit.code)
@mock.patch.object(glance.common.config, 'parse_cache_args')
@mock.patch.object(glance.openstack.common.log, 'setup')
@mock.patch.object(glance.image_cache.ImageCache, 'init_driver')
@mock.patch.object(glance.image_cache.ImageCache, 'prune')
def test_cache_pruner_main(self, mock_cache_prune,
mock_cache_init_driver, mock_log_setup,
mock_parse_config):
mock_cache_init_driver.return_value = None
manager = mock.MagicMock()
manager.attach_mock(mock_log_setup, 'mock_log_setup')
manager.attach_mock(mock_parse_config, 'mock_parse_config')
manager.attach_mock(mock_cache_init_driver, 'mock_cache_init_driver')
manager.attach_mock(mock_cache_prune, 'mock_cache_prune')
glance.cmd.cache_pruner.main()
expected_call_sequence = [mock.call.mock_parse_config(),
mock.call.mock_log_setup('glance'),
mock.call.mock_cache_init_driver(),
mock.call.mock_cache_prune()]
self.assertEqual(expected_call_sequence, manager.mock_calls)
@mock.patch.object(glance.image_cache.base.CacheApp, '__init__')
def test_cache_pruner_main_runtime_exception_handling(self, mock_cache):
mock_cache.return_value = None
self.stubs.Set(glance.image_cache.pruner.Pruner, 'run',
self._raise(RuntimeError))
exit = self.assertRaises(SystemExit, glance.cmd.cache_pruner.main)
self.assertEqual('ERROR: ', exit.code)