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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 io
import sys
from unittest import mock
import glance_store as store
from oslo_config import cfg
from oslo_log import log as logging
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
from glance.image_cache import prefetcher
import glance.image_cache.pruner
from glance.tests import utils as test_utils
CONF = cfg.CONF
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 = io.StringIO()
sys.stderr = self.stderr
store.register_opts(CONF)
self.mock_object(glance.common.config, 'load_paste_app',
self._do_nothing)
self.mock_object(glance.common.wsgi.Server, 'start',
self._do_nothing)
self.mock_object(glance.common.wsgi.Server, 'wait',
self._do_nothing)
def tearDown(self):
sys.stderr = sys.__stderr__
sys.argv = self.__argv_backup
super(TestGlanceApiCmd, self).tearDown()
@mock.patch('glance.async_.set_threadpool_model',)
@mock.patch.object(prefetcher, 'Prefetcher')
def test_supported_default_store(self, mock_prefetcher, mock_set_model):
self.config(group='glance_store', default_store='file')
glance.cmd.api.main()
# Make sure we declared the system threadpool model as eventlet
mock_set_model.assert_called_once_with('eventlet')
@mock.patch.object(prefetcher, 'Prefetcher')
@mock.patch('glance.async_.set_threadpool_model', new=mock.MagicMock())
def test_worker_creation_failure(self, mock_prefetcher):
failure = exc.WorkerCreationFailure(reason='test')
self.mock_object(glance.common.wsgi.Server, 'start',
self._raise(failure))
exit = self.assertRaises(SystemExit, glance.cmd.api.main)
self.assertEqual(2, exit.code)
@mock.patch.object(glance.common.config, 'parse_cache_args')
@mock.patch.object(logging, '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(CONF, '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.mock_object(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(logging, '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(CONF, '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.mock_object(glance.image_cache.pruner.Pruner, 'run',
self._raise(RuntimeError))
exit = self.assertRaises(SystemExit, glance.cmd.cache_pruner.main)
self.assertEqual('ERROR: ', exit.code)
def test_fail_with_value_error(self):
with mock.patch('sys.stderr.write') as mock_stderr:
with mock.patch('sys.exit') as mock_exit:
exc_msg = 'A ValueError, LOL!'
exc = ValueError(exc_msg)
glance.cmd.api.fail(exc)
mock_stderr.assert_called_once_with('ERROR: %s\n' % exc_msg)
mock_exit.assert_called_once_with(4)
def test_fail_with_config_exception(self):
with mock.patch('sys.stderr.write') as mock_stderr:
with mock.patch('sys.exit') as mock_exit:
exc_msg = 'A ConfigError by George!'
exc = cfg.ConfigFileValueError(exc_msg)
glance.cmd.api.fail(exc)
mock_stderr.assert_called_once_with('ERROR: %s\n' % exc_msg)
mock_exit.assert_called_once_with(5)
def test_fail_with_unknown_exception(self):
with mock.patch('sys.stderr.write') as mock_stderr:
with mock.patch('sys.exit') as mock_exit:
exc_msg = 'A Crazy Unknown Error.'
exc = CrayCray(exc_msg)
glance.cmd.api.fail(exc)
mock_stderr.assert_called_once_with('ERROR: %s\n' % exc_msg)
mock_exit.assert_called_once_with(99)
def test_main_with_store_config_exception(self):
with mock.patch.object(glance.common.config,
'parse_args') as mock_config:
with mock.patch('sys.exit') as mock_exit:
exc = store.exceptions.BadStoreConfiguration()
mock_config.side_effect = exc
glance.cmd.api.main()
mock_exit.assert_called_once_with(3)
def test_main_with_runtime_error(self):
with mock.patch.object(glance.common.config,
'parse_args') as mock_config:
with mock.patch('sys.exit') as mock_exit:
exc = RuntimeError()
mock_config.side_effect = exc
glance.cmd.api.main()
mock_exit.assert_called_once_with(1)
def test_main_with_worker_creation_failure(self):
with mock.patch.object(glance.common.config,
'parse_args') as mock_config:
with mock.patch('sys.exit') as mock_exit:
exx = exc.WorkerCreationFailure()
mock_config.side_effect = exx
glance.cmd.api.main()
mock_exit.assert_called_once_with(2)
class CrayCray(Exception):
pass
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