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OpenStack Study: test_client_exceptions.py**** CubicPower OpenStack Study ****
# Copyright 2011 OpenStack Foundation # Copyright 2012 Red Hat, Inc # All Rights Reserved. # # 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. """Functional test asserting strongly typed exceptions from glance client""" import eventlet.patcher import httplib2 import webob.dec import webob.exc from glance.common import client from glance.common import exception from glance.common import wsgi from glance.tests import functional from glance.tests import utils eventlet.patcher.monkey_patch(socket=True)
**** CubicPower OpenStack Study **** class ExceptionTestApp(object): """ Test WSGI application which can respond with multiple kinds of HTTP status codes """ @webob.dec.wsgify
**** CubicPower OpenStack Study **** def __call__(self, request): path = request.path_qs if path == "/rate-limit": request.response = webob.exc.HTTPRequestEntityTooLarge() elif path == "/rate-limit-retry": request.response.retry_after = 10 request.response.status = 413 elif path == "/service-unavailable": request.response = webob.exc.HTTPServiceUnavailable() elif path == "/service-unavailable-retry": request.response.retry_after = 10 request.response.status = 503 elif path == "/expectation-failed": request.response = webob.exc.HTTPExpectationFailed() elif path == "/server-error": request.response = webob.exc.HTTPServerError() elif path == "/server-traceback": raise exception.ServerError()
**** CubicPower OpenStack Study **** class TestClientExceptions(functional.FunctionalTest):
**** CubicPower OpenStack Study **** def setUp(self): super(TestClientExceptions, self).setUp() self.port = utils.get_unused_port() server = wsgi.Server() self.config(bind_host='127.0.0.1') self.config(workers=0) server.start(ExceptionTestApp(), self.port) self.client = client.BaseClient("127.0.0.1", self.port)
**** CubicPower OpenStack Study **** def _do_test_exception(self, path, exc_type): try: self.client.do_request("GET", path) self.fail('expected %s' % exc_type) except exc_type as e: if 'retry' in path: self.assertEqual(e.retry_after, 10)
**** CubicPower OpenStack Study **** def test_rate_limited(self): """ Test rate limited response """ self._do_test_exception('/rate-limit', exception.LimitExceeded)
**** CubicPower OpenStack Study **** def test_rate_limited_retry(self): """ Test rate limited response with retry """ self._do_test_exception('/rate-limit-retry', exception.LimitExceeded)
**** CubicPower OpenStack Study **** def test_service_unavailable(self): """ Test service unavailable response """ self._do_test_exception('/service-unavailable', exception.ServiceUnavailable)
**** CubicPower OpenStack Study **** def test_service_unavailable_retry(self): """ Test service unavailable response with retry """ self._do_test_exception('/service-unavailable-retry', exception.ServiceUnavailable)
**** CubicPower OpenStack Study **** def test_expectation_failed(self): """ Test expectation failed response """ self._do_test_exception('/expectation-failed', exception.UnexpectedStatus)
**** CubicPower OpenStack Study **** def test_server_error(self): """ Test server error response """ self._do_test_exception('/server-error', exception.ServerError)
**** CubicPower OpenStack Study **** def test_server_traceback(self): """ Verify that the wsgi server does not return tracebacks to the client on 500 errors (bug 1192132) """ http = httplib2.Http() path = ('http://%s:%d/server-traceback' % ('127.0.0.1', self.port)) response, content = http.request(path, 'GET') self.assertTrue('ServerError' not in content) self.assertEqual(response.status, 500)
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