195 lines
7.5 KiB
Python
195 lines
7.5 KiB
Python
# Copyright 2013 IBM Corp.
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#
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# 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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from oslo_config import cfg
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import stevedore
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import webob.exc
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from nova.api import openstack
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from nova.api.openstack import compute
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from nova.api.openstack.compute import extension_info
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from nova.api.openstack import extensions
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from nova import exception
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from nova import test
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CONF = cfg.CONF
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class fake_bad_extension(object):
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name = "fake_bad_extension"
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alias = "fake-bad"
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class fake_stevedore_enabled_extensions(object):
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def __init__(self, namespace, check_func, invoke_on_load=False,
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invoke_args=(), invoke_kwds=None):
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self.extensions = []
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def map(self, func, *args, **kwds):
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pass
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def __iter__(self):
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return iter(self.extensions)
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class fake_loaded_extension_info(object):
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def __init__(self):
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self.extensions = {}
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def register_extension(self, ext):
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self.extensions[ext] = ext
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return True
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def get_extensions(self):
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return {'core1': None, 'core2': None, 'noncore1': None}
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class ExtensionLoadingTestCase(test.NoDBTestCase):
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def _set_v3_core(self, core_extensions):
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openstack.API_V3_CORE_EXTENSIONS = core_extensions
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def test_extensions_loaded(self):
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app = compute.APIRouterV3()
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self.assertIn('servers', app._loaded_extension_info.extensions)
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def test_check_bad_extension(self):
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loaded_ext_info = extension_info.LoadedExtensionInfo()
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self.assertFalse(loaded_ext_info._check_extension(fake_bad_extension))
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def test_extensions_blacklist(self):
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app = compute.APIRouterV3()
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self.assertIn('os-hosts', app._loaded_extension_info.extensions)
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CONF.set_override('extensions_blacklist', ['os-hosts'], 'osapi_v3')
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app = compute.APIRouterV3()
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self.assertNotIn('os-hosts', app._loaded_extension_info.extensions)
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def test_extensions_whitelist_accept(self):
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# NOTE(maurosr): just to avoid to get an exception raised for not
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# loading all core api.
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v3_core = openstack.API_V3_CORE_EXTENSIONS
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openstack.API_V3_CORE_EXTENSIONS = set(['servers'])
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self.addCleanup(self._set_v3_core, v3_core)
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app = compute.APIRouterV3()
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self.assertIn('os-hosts', app._loaded_extension_info.extensions)
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CONF.set_override('extensions_whitelist', ['servers', 'os-hosts'],
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'osapi_v3')
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app = compute.APIRouterV3()
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self.assertIn('os-hosts', app._loaded_extension_info.extensions)
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def test_extensions_whitelist_block(self):
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# NOTE(maurosr): just to avoid to get an exception raised for not
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# loading all core api.
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v3_core = openstack.API_V3_CORE_EXTENSIONS
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openstack.API_V3_CORE_EXTENSIONS = set(['servers'])
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self.addCleanup(self._set_v3_core, v3_core)
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app = compute.APIRouterV3()
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self.assertIn('os-hosts', app._loaded_extension_info.extensions)
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CONF.set_override('extensions_whitelist', ['servers'], 'osapi_v3')
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app = compute.APIRouterV3()
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self.assertNotIn('os-hosts', app._loaded_extension_info.extensions)
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def test_blacklist_overrides_whitelist(self):
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# NOTE(maurosr): just to avoid to get an exception raised for not
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# loading all core api.
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v3_core = openstack.API_V3_CORE_EXTENSIONS
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openstack.API_V3_CORE_EXTENSIONS = set(['servers'])
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self.addCleanup(self._set_v3_core, v3_core)
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app = compute.APIRouterV3()
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self.assertIn('os-hosts', app._loaded_extension_info.extensions)
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CONF.set_override('extensions_whitelist', ['servers', 'os-hosts'],
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'osapi_v3')
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CONF.set_override('extensions_blacklist', ['os-hosts'], 'osapi_v3')
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app = compute.APIRouterV3()
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self.assertNotIn('os-hosts', app._loaded_extension_info.extensions)
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self.assertIn('servers', app._loaded_extension_info.extensions)
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self.assertEqual(len(app._loaded_extension_info.extensions), 1)
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def test_get_missing_core_extensions(self):
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v3_core = openstack.API_V3_CORE_EXTENSIONS
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openstack.API_V3_CORE_EXTENSIONS = set(['core1', 'core2'])
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self.addCleanup(self._set_v3_core, v3_core)
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self.assertEqual(len(compute.APIRouterV3.get_missing_core_extensions(
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['core1', 'core2', 'noncore1'])), 0)
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missing_core = compute.APIRouterV3.get_missing_core_extensions(
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['core1'])
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self.assertEqual(len(missing_core), 1)
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self.assertIn('core2', missing_core)
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missing_core = compute.APIRouterV3.get_missing_core_extensions([])
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self.assertEqual(len(missing_core), 2)
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self.assertIn('core1', missing_core)
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self.assertIn('core2', missing_core)
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missing_core = compute.APIRouterV3.get_missing_core_extensions(
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['noncore1'])
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self.assertEqual(len(missing_core), 2)
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self.assertIn('core1', missing_core)
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self.assertIn('core2', missing_core)
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def test_core_extensions_present(self):
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self.stubs.Set(stevedore.enabled, 'EnabledExtensionManager',
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fake_stevedore_enabled_extensions)
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self.stubs.Set(extension_info, 'LoadedExtensionInfo',
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fake_loaded_extension_info)
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v3_core = openstack.API_V3_CORE_EXTENSIONS
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openstack.API_V3_CORE_EXTENSIONS = set(['core1', 'core2'])
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self.addCleanup(self._set_v3_core, v3_core)
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# if no core API extensions are missing then an exception will
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# not be raised when creating an instance of compute.APIRouterV3
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compute.APIRouterV3()
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def test_core_extensions_missing(self):
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self.stubs.Set(stevedore.enabled, 'EnabledExtensionManager',
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fake_stevedore_enabled_extensions)
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self.stubs.Set(extension_info, 'LoadedExtensionInfo',
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fake_loaded_extension_info)
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self.assertRaises(exception.CoreAPIMissing, compute.APIRouterV3)
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def test_extensions_expected_error(self):
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@extensions.expected_errors(404)
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def fake_func():
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raise webob.exc.HTTPNotFound()
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self.assertRaises(webob.exc.HTTPNotFound, fake_func)
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def test_extensions_expected_error_from_list(self):
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@extensions.expected_errors((404, 403))
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def fake_func():
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raise webob.exc.HTTPNotFound()
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self.assertRaises(webob.exc.HTTPNotFound, fake_func)
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def test_extensions_unexpected_error(self):
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@extensions.expected_errors(404)
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def fake_func():
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raise webob.exc.HTTPConflict()
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self.assertRaises(webob.exc.HTTPInternalServerError, fake_func)
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def test_extensions_unexpected_error_from_list(self):
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@extensions.expected_errors((404, 413))
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def fake_func():
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raise webob.exc.HTTPConflict()
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self.assertRaises(webob.exc.HTTPInternalServerError, fake_func)
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def test_extensions_unexpected_policy_not_authorized_error(self):
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@extensions.expected_errors(404)
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def fake_func():
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raise exception.PolicyNotAuthorized(action="foo")
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self.assertRaises(exception.PolicyNotAuthorized, fake_func)
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