200 lines
8.4 KiB
Python
200 lines
8.4 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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from unittest import mock
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import glance_store as store
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from oslo_config import cfg
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from oslo_log import log as logging
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import six
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import glance.cmd.api
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import glance.cmd.cache_cleaner
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import glance.cmd.cache_pruner
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import glance.common.config
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from glance.common import exception as exc
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import glance.common.wsgi
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import glance.image_cache.cleaner
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from glance.image_cache import prefetcher
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import glance.image_cache.pruner
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from glance.tests import utils as test_utils
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CONF = cfg.CONF
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class TestGlanceApiCmd(test_utils.BaseTestCase):
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__argv_backup = None
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def _do_nothing(self, *args, **kwargs):
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pass
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def _raise(self, exc):
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def fake(*args, **kwargs):
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raise exc
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return fake
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def setUp(self):
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super(TestGlanceApiCmd, self).setUp()
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self.__argv_backup = sys.argv
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sys.argv = ['glance-api']
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self.stderr = six.StringIO()
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sys.stderr = self.stderr
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store.register_opts(CONF)
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self.mock_object(glance.common.config, 'load_paste_app',
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self._do_nothing)
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self.mock_object(glance.common.wsgi.Server, 'start',
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self._do_nothing)
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self.mock_object(glance.common.wsgi.Server, 'wait',
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self._do_nothing)
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def tearDown(self):
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sys.stderr = sys.__stderr__
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sys.argv = self.__argv_backup
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super(TestGlanceApiCmd, self).tearDown()
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@mock.patch('glance.async_.set_threadpool_model',)
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@mock.patch.object(prefetcher, 'Prefetcher')
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def test_supported_default_store(self, mock_prefetcher, mock_set_model):
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self.config(group='glance_store', default_store='file')
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glance.cmd.api.main()
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# Make sure we declared the system threadpool model as eventlet
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mock_set_model.assert_called_once_with('eventlet')
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@mock.patch.object(prefetcher, 'Prefetcher')
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@mock.patch('glance.async_.set_threadpool_model', new=mock.MagicMock())
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def test_worker_creation_failure(self, mock_prefetcher):
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failure = exc.WorkerCreationFailure(reason='test')
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self.mock_object(glance.common.wsgi.Server, 'start',
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self._raise(failure))
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exit = self.assertRaises(SystemExit, glance.cmd.api.main)
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self.assertEqual(2, exit.code)
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@mock.patch.object(glance.common.config, 'parse_cache_args')
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@mock.patch.object(logging, 'setup')
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@mock.patch.object(glance.image_cache.ImageCache, 'init_driver')
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@mock.patch.object(glance.image_cache.ImageCache, 'clean')
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def test_cache_cleaner_main(self, mock_cache_clean,
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mock_cache_init_driver, mock_log_setup,
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mock_parse_config):
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mock_cache_init_driver.return_value = None
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manager = mock.MagicMock()
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manager.attach_mock(mock_log_setup, 'mock_log_setup')
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manager.attach_mock(mock_parse_config, 'mock_parse_config')
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manager.attach_mock(mock_cache_init_driver, 'mock_cache_init_driver')
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manager.attach_mock(mock_cache_clean, 'mock_cache_clean')
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glance.cmd.cache_cleaner.main()
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expected_call_sequence = [mock.call.mock_parse_config(),
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mock.call.mock_log_setup(CONF, 'glance'),
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mock.call.mock_cache_init_driver(),
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mock.call.mock_cache_clean()]
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self.assertEqual(expected_call_sequence, manager.mock_calls)
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@mock.patch.object(glance.image_cache.base.CacheApp, '__init__')
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def test_cache_cleaner_main_runtime_exception_handling(self, mock_cache):
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mock_cache.return_value = None
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self.mock_object(glance.image_cache.cleaner.Cleaner, 'run',
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self._raise(RuntimeError))
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exit = self.assertRaises(SystemExit, glance.cmd.cache_cleaner.main)
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self.assertEqual('ERROR: ', exit.code)
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@mock.patch.object(glance.common.config, 'parse_cache_args')
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@mock.patch.object(logging, 'setup')
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@mock.patch.object(glance.image_cache.ImageCache, 'init_driver')
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@mock.patch.object(glance.image_cache.ImageCache, 'prune')
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def test_cache_pruner_main(self, mock_cache_prune,
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mock_cache_init_driver, mock_log_setup,
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mock_parse_config):
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mock_cache_init_driver.return_value = None
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manager = mock.MagicMock()
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manager.attach_mock(mock_log_setup, 'mock_log_setup')
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manager.attach_mock(mock_parse_config, 'mock_parse_config')
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manager.attach_mock(mock_cache_init_driver, 'mock_cache_init_driver')
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manager.attach_mock(mock_cache_prune, 'mock_cache_prune')
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glance.cmd.cache_pruner.main()
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expected_call_sequence = [mock.call.mock_parse_config(),
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mock.call.mock_log_setup(CONF, 'glance'),
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mock.call.mock_cache_init_driver(),
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mock.call.mock_cache_prune()]
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self.assertEqual(expected_call_sequence, manager.mock_calls)
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@mock.patch.object(glance.image_cache.base.CacheApp, '__init__')
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def test_cache_pruner_main_runtime_exception_handling(self, mock_cache):
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mock_cache.return_value = None
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self.mock_object(glance.image_cache.pruner.Pruner, 'run',
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self._raise(RuntimeError))
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exit = self.assertRaises(SystemExit, glance.cmd.cache_pruner.main)
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self.assertEqual('ERROR: ', exit.code)
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def test_fail_with_value_error(self):
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with mock.patch('sys.stderr.write') as mock_stderr:
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with mock.patch('sys.exit') as mock_exit:
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exc_msg = 'A ValueError, LOL!'
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exc = ValueError(exc_msg)
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glance.cmd.api.fail(exc)
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mock_stderr.assert_called_once_with('ERROR: %s\n' % exc_msg)
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mock_exit.assert_called_once_with(4)
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def test_fail_with_config_exception(self):
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with mock.patch('sys.stderr.write') as mock_stderr:
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with mock.patch('sys.exit') as mock_exit:
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exc_msg = 'A ConfigError by George!'
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exc = cfg.ConfigFileValueError(exc_msg)
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glance.cmd.api.fail(exc)
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mock_stderr.assert_called_once_with('ERROR: %s\n' % exc_msg)
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mock_exit.assert_called_once_with(5)
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def test_fail_with_unknown_exception(self):
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with mock.patch('sys.stderr.write') as mock_stderr:
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with mock.patch('sys.exit') as mock_exit:
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exc_msg = 'A Crazy Unkown Error.'
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exc = CrayCray(exc_msg)
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glance.cmd.api.fail(exc)
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mock_stderr.assert_called_once_with('ERROR: %s\n' % exc_msg)
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mock_exit.assert_called_once_with(99)
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def test_main_with_store_config_exception(self):
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with mock.patch.object(glance.common.config,
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'parse_args') as mock_config:
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with mock.patch('sys.exit') as mock_exit:
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exc = store.exceptions.BadStoreConfiguration()
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mock_config.side_effect = exc
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glance.cmd.api.main()
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mock_exit.assert_called_once_with(3)
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def test_main_with_runtime_error(self):
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with mock.patch.object(glance.common.config,
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'parse_args') as mock_config:
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with mock.patch('sys.exit') as mock_exit:
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exc = RuntimeError()
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mock_config.side_effect = exc
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glance.cmd.api.main()
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mock_exit.assert_called_once_with(1)
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def test_main_with_worker_creation_failure(self):
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with mock.patch.object(glance.common.config,
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'parse_args') as mock_config:
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with mock.patch('sys.exit') as mock_exit:
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exx = exc.WorkerCreationFailure()
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mock_config.side_effect = exx
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glance.cmd.api.main()
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mock_exit.assert_called_once_with(2)
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class CrayCray(Exception):
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pass
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