# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2010-2011 OpenStack Foundation # 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. import datetime import json from oslo.config import cfg import stubout import webob from heat.common import exception from heat.common import wsgi from heat.tests.common import HeatTestCase class RequestTest(HeatTestCase): def setUp(self): self.stubs = stubout.StubOutForTesting() super(RequestTest, self).setUp() def test_content_type_missing(self): request = wsgi.Request.blank('/tests/123') self.assertRaises(exception.InvalidContentType, request.get_content_type, ('application/xml')) def test_content_type_unsupported(self): request = wsgi.Request.blank('/tests/123') request.headers["Content-Type"] = "text/html" self.assertRaises(exception.InvalidContentType, request.get_content_type, ('application/xml')) def test_content_type_with_charset(self): request = wsgi.Request.blank('/tests/123') request.headers["Content-Type"] = "application/json; charset=UTF-8" result = request.get_content_type(('application/json')) self.assertEqual(result, "application/json") def test_content_type_from_accept_xml(self): request = wsgi.Request.blank('/tests/123') request.headers["Accept"] = "application/xml" result = request.best_match_content_type() self.assertEqual(result, "application/json") def test_content_type_from_accept_json(self): request = wsgi.Request.blank('/tests/123') request.headers["Accept"] = "application/json" result = request.best_match_content_type() self.assertEqual(result, "application/json") def test_content_type_from_accept_xml_json(self): request = wsgi.Request.blank('/tests/123') request.headers["Accept"] = "application/xml, application/json" result = request.best_match_content_type() self.assertEqual(result, "application/json") def test_content_type_from_accept_json_xml_quality(self): request = wsgi.Request.blank('/tests/123') request.headers["Accept"] = ("application/json; q=0.3, " "application/xml; q=0.9") result = request.best_match_content_type() self.assertEqual(result, "application/json") def test_content_type_accept_default(self): request = wsgi.Request.blank('/tests/123.unsupported') request.headers["Accept"] = "application/unsupported1" result = request.best_match_content_type() self.assertEqual(result, "application/json") def test_best_match_language(self): # Test that we are actually invoking language negotiation by webop request = wsgi.Request.blank('/') accepted = 'unknown-lang' request.headers = {'Accept-Language': accepted} def fake_best_match(self, offers, default_match=None): # Best match on an unknown locale returns None return None self.stubs.SmartSet(request.accept_language, 'best_match', fake_best_match) self.assertEqual(request.best_match_language(), None) # If Accept-Language is missing or empty, match should be None request.headers = {'Accept-Language': ''} self.assertEqual(request.best_match_language(), None) request.headers.pop('Accept-Language') self.assertEqual(request.best_match_language(), None) class ResourceTest(HeatTestCase): def setUp(self): self.stubs = stubout.StubOutForTesting() super(ResourceTest, self).setUp() def test_get_action_args(self): env = { 'wsgiorg.routing_args': [ None, { 'controller': None, 'format': None, 'action': 'update', 'id': 12, }, ], } expected = {'action': 'update', 'id': 12} actual = wsgi.Resource(None, None, None).get_action_args(env) self.assertEqual(actual, expected) def test_get_action_args_invalid_index(self): env = {'wsgiorg.routing_args': []} expected = {} actual = wsgi.Resource(None, None, None).get_action_args(env) self.assertEqual(actual, expected) def test_get_action_args_del_controller_error(self): actions = {'format': None, 'action': 'update', 'id': 12} env = {'wsgiorg.routing_args': [None, actions]} expected = {'action': 'update', 'id': 12} actual = wsgi.Resource(None, None, None).get_action_args(env) self.assertEqual(actual, expected) def test_get_action_args_del_format_error(self): actions = {'action': 'update', 'id': 12} env = {'wsgiorg.routing_args': [None, actions]} expected = {'action': 'update', 'id': 12} actual = wsgi.Resource(None, None, None).get_action_args(env) self.assertEqual(actual, expected) def test_dispatch(self): class Controller(object): def index(self, shirt, pants=None): return (shirt, pants) resource = wsgi.Resource(None, None, None) actual = resource.dispatch(Controller(), 'index', 'on', pants='off') expected = ('on', 'off') self.assertEqual(actual, expected) def test_dispatch_default(self): class Controller(object): def default(self, shirt, pants=None): return (shirt, pants) resource = wsgi.Resource(None, None, None) actual = resource.dispatch(Controller(), 'index', 'on', pants='off') expected = ('on', 'off') self.assertEqual(actual, expected) def test_dispatch_no_default(self): class Controller(object): def show(self, shirt, pants=None): return (shirt, pants) resource = wsgi.Resource(None, None, None) self.assertRaises(AttributeError, resource.dispatch, Controller(), 'index', 'on', pants='off') def test_resource_call_error_handle(self): class Controller(object): def delete(self, req, identity): return (req, identity) actions = {'action': 'delete', 'id': 12, 'body': 'data'} env = {'wsgiorg.routing_args': [None, actions]} request = wsgi.Request.blank('/tests/123', environ=env) request.body = '{"foo" : "value"}' resource = wsgi.Resource(Controller(), wsgi.JSONRequestDeserializer(), None) # The Resource does not throw webob.HTTPExceptions, since they # would be considered responses by wsgi and the request flow would end, # instead they are wrapped so they can reach the fault application # where they are converted to a nice JSON/XML response e = self.assertRaises(exception.HTTPExceptionDisguise, resource, request) self.assertIsInstance(e.exc, webob.exc.HTTPBadRequest) def test_resource_call_error_handle_localized(self): class Controller(object): def delete(self, req, identity): return (req, identity) actions = {'action': 'delete', 'id': 12, 'body': 'data'} env = {'wsgiorg.routing_args': [None, actions]} request = wsgi.Request.blank('/tests/123', environ=env) request.body = '{"foo" : "value"}' message_es = "No Encontrado" translated_ex = webob.exc.HTTPBadRequest(message_es) resource = wsgi.Resource(Controller(), wsgi.JSONRequestDeserializer(), None) def fake_translate_exception(ex, locale): return translated_ex self.stubs.SmartSet(wsgi, 'translate_exception', fake_translate_exception) try: resource(request) except exception.HTTPExceptionDisguise as e: self.assertEqual(message_es, e.exc.message) self.m.VerifyAll() class JSONResponseSerializerTest(HeatTestCase): def test_to_json(self): fixture = {"key": "value"} expected = '{"key": "value"}' actual = wsgi.JSONResponseSerializer().to_json(fixture) self.assertEqual(actual, expected) def test_to_json_with_date_format_value(self): fixture = {"date": datetime.datetime(1, 3, 8, 2)} expected = '{"date": "0001-03-08T02:00:00"}' actual = wsgi.JSONResponseSerializer().to_json(fixture) self.assertEqual(actual, expected) def test_to_json_with_more_deep_format(self): fixture = {"is_public": True, "name": [{"name1": "test"}]} expected = '{"is_public": true, "name": [{"name1": "test"}]}' actual = wsgi.JSONResponseSerializer().to_json(fixture) self.assertEqual(actual, expected) def test_default(self): fixture = {"key": "value"} response = webob.Response() wsgi.JSONResponseSerializer().default(response, fixture) self.assertEqual(response.status_int, 200) content_types = filter(lambda h: h[0] == 'Content-Type', response.headerlist) self.assertEqual(len(content_types), 1) self.assertEqual(response.content_type, 'application/json') self.assertEqual(response.body, '{"key": "value"}') class JSONRequestDeserializerTest(HeatTestCase): def test_has_body_no_content_length(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = 'asdf' request.headers.pop('Content-Length') request.headers['Content-Type'] = 'application/json' self.assertFalse(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_zero_content_length(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = 'asdf' request.headers['Content-Length'] = 0 request.headers['Content-Type'] = 'application/json' self.assertFalse(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_has_content_length_no_content_type(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) self.assertTrue(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_has_content_length_plain_content_type(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) request.headers['Content-Type'] = 'text/plain' self.assertTrue(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_has_content_type_malformed(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = 'asdf' self.assertTrue('Content-Length' in request.headers) request.headers['Content-Type'] = 'application/json' self.assertFalse(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_has_content_type(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) request.headers['Content-Type'] = 'application/json' self.assertTrue(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_has_wrong_content_type(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) request.headers['Content-Type'] = 'application/xml' self.assertFalse(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_has_aws_content_type_only(self): request = wsgi.Request.blank('/?ContentType=JSON') request.method = 'GET' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) self.assertTrue(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_respect_aws_content_type(self): request = wsgi.Request.blank('/?ContentType=JSON') request.method = 'GET' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) request.headers['Content-Type'] = 'application/xml' self.assertTrue(wsgi.JSONRequestDeserializer().has_body(request)) def test_has_body_content_type_with_get(self): request = wsgi.Request.blank('/') request.method = 'GET' request.body = '{"key": "value"}' self.assertTrue('Content-Length' in request.headers) self.assertTrue(wsgi.JSONRequestDeserializer().has_body(request)) def test_no_body_no_content_length(self): request = wsgi.Request.blank('/') self.assertFalse(wsgi.JSONRequestDeserializer().has_body(request)) def test_from_json(self): fixture = '{"key": "value"}' expected = {"key": "value"} actual = wsgi.JSONRequestDeserializer().from_json(fixture) self.assertEqual(actual, expected) def test_from_json_malformed(self): fixture = 'kjasdklfjsklajf' self.assertRaises(webob.exc.HTTPBadRequest, wsgi.JSONRequestDeserializer().from_json, fixture) def test_default_no_body(self): request = wsgi.Request.blank('/') actual = wsgi.JSONRequestDeserializer().default(request) expected = {} self.assertEqual(actual, expected) def test_default_with_body(self): request = wsgi.Request.blank('/') request.method = 'POST' request.body = '{"key": "value"}' actual = wsgi.JSONRequestDeserializer().default(request) expected = {"body": {"key": "value"}} self.assertEqual(actual, expected) def test_default_with_get_with_body(self): request = wsgi.Request.blank('/') request.method = 'GET' request.body = '{"key": "value"}' actual = wsgi.JSONRequestDeserializer().default(request) expected = {"body": {"key": "value"}} self.assertEqual(actual, expected) def test_default_with_get_with_body_with_aws(self): request = wsgi.Request.blank('/?ContentType=JSON') request.method = 'GET' request.body = '{"key": "value"}' actual = wsgi.JSONRequestDeserializer().default(request) expected = {"body": {"key": "value"}} self.assertEqual(actual, expected) def test_from_json_exceeds_max_json_mb(self): cfg.CONF.set_override('max_json_body_size', 10) body = json.dumps(['a'] * cfg.CONF.max_json_body_size) self.assertTrue(len(body) > cfg.CONF.max_json_body_size) error = self.assertRaises(exception.RequestLimitExceeded, wsgi.JSONRequestDeserializer().from_json, body) msg = 'Request limit exceeded: JSON body size ' + \ '(%s bytes) exceeds maximum allowed size (%s bytes).' % \ (len(body), cfg.CONF.max_json_body_size) self.assertEqual(msg, str(error))