196 lines
7.1 KiB
Python
196 lines
7.1 KiB
Python
# Copyright 2010 OpenStack LLC.
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# All Rights Reserved.
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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_serialization import jsonutils
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import six
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import webob
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import webob.dec
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import webob.exc
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from manila.api.middleware import fault
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from manila.api.openstack import wsgi
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from manila import exception
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from manila import test
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class TestFaults(test.TestCase):
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"""Tests covering `manila.api.openstack.faults:Fault` class."""
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def _prepare_xml(self, xml_string):
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"""Remove characters from string which hinder XML equality testing."""
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xml_string = xml_string.replace(" ", "")
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xml_string = xml_string.replace("\n", "")
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xml_string = xml_string.replace("\t", "")
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return xml_string
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def test_400_fault_json(self):
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"""Test fault serialized to JSON via file-extension and/or header."""
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requests = [
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webob.Request.blank('/.json'),
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webob.Request.blank('/', headers={"Accept": "application/json"}),
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]
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for request in requests:
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fault = wsgi.Fault(webob.exc.HTTPBadRequest(explanation='scram'))
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response = request.get_response(fault)
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expected = {
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"badRequest": {
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"message": "scram",
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"code": 400,
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},
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}
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actual = jsonutils.loads(response.body)
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self.assertEqual("application/json", response.content_type)
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self.assertEqual(expected, actual)
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def test_413_fault_json(self):
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"""Test fault serialized to JSON via file-extension and/or header."""
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requests = [
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webob.Request.blank('/.json'),
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webob.Request.blank('/', headers={"Accept": "application/json"}),
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]
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for request in requests:
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exc = webob.exc.HTTPRequestEntityTooLarge
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fault = wsgi.Fault(exc(explanation='sorry',
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headers={'Retry-After': 4}))
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response = request.get_response(fault)
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expected = {
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"overLimit": {
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"message": "sorry",
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"code": 413,
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"retryAfter": '4',
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},
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}
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actual = jsonutils.loads(response.body)
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self.assertEqual("application/json", response.content_type)
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self.assertEqual(expected, actual)
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def test_raise(self):
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"""Ensure the ability to raise :class:`Fault` in WSGI-ified methods."""
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@webob.dec.wsgify
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def raiser(req):
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raise wsgi.Fault(webob.exc.HTTPNotFound(explanation='whut?'))
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req = webob.Request.blank('/.json')
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resp = req.get_response(raiser)
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self.assertEqual("application/json", resp.content_type)
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self.assertEqual(404, resp.status_int)
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self.assertIn(six.b('whut?'), resp.body)
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def test_raise_403(self):
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"""Ensure the ability to raise :class:`Fault` in WSGI-ified methods."""
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@webob.dec.wsgify
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def raiser(req):
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raise wsgi.Fault(webob.exc.HTTPForbidden(explanation='whut?'))
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req = webob.Request.blank('/.json')
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resp = req.get_response(raiser)
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self.assertEqual("application/json", resp.content_type)
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self.assertEqual(403, resp.status_int)
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self.assertNotIn(six.b('resizeNotAllowed'), resp.body)
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self.assertIn(six.b('forbidden'), resp.body)
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def test_fault_has_status_int(self):
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"""Ensure the status_int is set correctly on faults."""
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fault = wsgi.Fault(webob.exc.HTTPBadRequest(explanation='what?'))
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self.assertEqual(400, fault.status_int)
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class ExceptionTest(test.TestCase):
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def _wsgi_app(self, inner_app):
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return fault.FaultWrapper(inner_app)
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def _do_test_exception_safety_reflected_in_faults(self, expose):
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class ExceptionWithSafety(exception.ManilaException):
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safe = expose
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@webob.dec.wsgify
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def fail(req):
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raise ExceptionWithSafety('some explanation')
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api = self._wsgi_app(fail)
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resp = webob.Request.blank('/').get_response(api)
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self.assertIn('{"computeFault', six.text_type(resp.body), resp.body)
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expected = ('ExceptionWithSafety: some explanation' if expose else
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'The server has either erred or is incapable '
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'of performing the requested operation.')
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self.assertIn(expected, six.text_type(resp.body), resp.body)
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self.assertEqual(500, resp.status_int, resp.body)
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def test_safe_exceptions_are_described_in_faults(self):
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self._do_test_exception_safety_reflected_in_faults(True)
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def test_unsafe_exceptions_are_not_described_in_faults(self):
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self._do_test_exception_safety_reflected_in_faults(False)
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def _do_test_exception_mapping(self, exception_type, msg):
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@webob.dec.wsgify
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def fail(req):
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raise exception_type(msg)
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api = self._wsgi_app(fail)
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resp = webob.Request.blank('/').get_response(api)
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self.assertIn(msg, six.text_type(resp.body), resp.body)
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self.assertEqual(exception_type.code, resp.status_int, resp.body)
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if hasattr(exception_type, 'headers'):
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for (key, value) in exception_type.headers.items():
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self.assertIn(key, resp.headers)
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self.assertEqual(value, resp.headers[key])
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def test_quota_error_mapping(self):
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self._do_test_exception_mapping(exception.QuotaError, 'too many used')
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def test_non_manila_notfound_exception_mapping(self):
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class ExceptionWithCode(Exception):
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code = 404
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self._do_test_exception_mapping(ExceptionWithCode,
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'NotFound')
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def test_non_manila_exception_mapping(self):
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class ExceptionWithCode(Exception):
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code = 417
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self._do_test_exception_mapping(ExceptionWithCode,
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'Expectation failed')
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def test_exception_with_none_code_throws_500(self):
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class ExceptionWithNoneCode(Exception):
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code = None
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@webob.dec.wsgify
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def fail(req):
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raise ExceptionWithNoneCode()
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api = self._wsgi_app(fail)
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resp = webob.Request.blank('/').get_response(api)
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self.assertEqual(500, resp.status_int)
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def test_validate_request_unicode_decode_fault(self):
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@webob.dec.wsgify
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def unicode_error(req):
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raise UnicodeDecodeError("ascii", "test".encode(), 0, 1, "bad")
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api = self._wsgi_app(unicode_error)
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resp = webob.Request.blank('/test?foo=%88').get_response(api)
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self.assertEqual(400, resp.status_int)
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