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277 lines
8.6 KiB
277 lines
8.6 KiB
# 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 tornado.httputil import (
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HTTPHeaders,
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HTTPMessageDelegate,
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HTTPServerConnectionDelegate,
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ResponseStartLine,
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)
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from tornado.routing import (
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HostMatches,
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PathMatches,
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ReversibleRouter,
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Router,
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Rule,
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RuleRouter,
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)
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from tornado.testing import AsyncHTTPTestCase
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from tornado.web import Application, HTTPError, RequestHandler
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from tornado.wsgi import WSGIContainer
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import typing # noqa: F401
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class BasicRouter(Router):
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def find_handler(self, request, **kwargs):
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class MessageDelegate(HTTPMessageDelegate):
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def __init__(self, connection):
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self.connection = connection
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def finish(self):
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self.connection.write_headers(
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ResponseStartLine("HTTP/1.1", 200, "OK"),
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HTTPHeaders({"Content-Length": "2"}),
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b"OK",
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)
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self.connection.finish()
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return MessageDelegate(request.connection)
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class BasicRouterTestCase(AsyncHTTPTestCase):
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def get_app(self):
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return BasicRouter()
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def test_basic_router(self):
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response = self.fetch("/any_request")
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self.assertEqual(response.body, b"OK")
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resources = {} # type: typing.Dict[str, bytes]
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class GetResource(RequestHandler):
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def get(self, path):
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if path not in resources:
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raise HTTPError(404)
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self.finish(resources[path])
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class PostResource(RequestHandler):
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def post(self, path):
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resources[path] = self.request.body
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class HTTPMethodRouter(Router):
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def __init__(self, app):
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self.app = app
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def find_handler(self, request, **kwargs):
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handler = GetResource if request.method == "GET" else PostResource
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return self.app.get_handler_delegate(request, handler, path_args=[request.path])
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class HTTPMethodRouterTestCase(AsyncHTTPTestCase):
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def get_app(self):
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return HTTPMethodRouter(Application())
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def test_http_method_router(self):
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response = self.fetch("/post_resource", method="POST", body="data")
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self.assertEqual(response.code, 200)
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response = self.fetch("/get_resource")
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self.assertEqual(response.code, 404)
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response = self.fetch("/post_resource")
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self.assertEqual(response.code, 200)
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self.assertEqual(response.body, b"data")
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def _get_named_handler(handler_name):
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class Handler(RequestHandler):
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def get(self, *args, **kwargs):
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if self.application.settings.get("app_name") is not None:
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self.write(self.application.settings["app_name"] + ": ")
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self.finish(handler_name + ": " + self.reverse_url(handler_name))
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return Handler
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FirstHandler = _get_named_handler("first_handler")
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SecondHandler = _get_named_handler("second_handler")
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class CustomRouter(ReversibleRouter):
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def __init__(self):
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super(CustomRouter, self).__init__()
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self.routes = {} # type: typing.Dict[str, typing.Any]
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def add_routes(self, routes):
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self.routes.update(routes)
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def find_handler(self, request, **kwargs):
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if request.path in self.routes:
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app, handler = self.routes[request.path]
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return app.get_handler_delegate(request, handler)
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def reverse_url(self, name, *args):
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handler_path = "/" + name
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return handler_path if handler_path in self.routes else None
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class CustomRouterTestCase(AsyncHTTPTestCase):
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def get_app(self):
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router = CustomRouter()
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class CustomApplication(Application):
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def reverse_url(self, name, *args):
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return router.reverse_url(name, *args)
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app1 = CustomApplication(app_name="app1")
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app2 = CustomApplication(app_name="app2")
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router.add_routes(
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{
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"/first_handler": (app1, FirstHandler),
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"/second_handler": (app2, SecondHandler),
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"/first_handler_second_app": (app2, FirstHandler),
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}
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)
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return router
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def test_custom_router(self):
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response = self.fetch("/first_handler")
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self.assertEqual(response.body, b"app1: first_handler: /first_handler")
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response = self.fetch("/second_handler")
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self.assertEqual(response.body, b"app2: second_handler: /second_handler")
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response = self.fetch("/first_handler_second_app")
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self.assertEqual(response.body, b"app2: first_handler: /first_handler")
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class ConnectionDelegate(HTTPServerConnectionDelegate):
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def start_request(self, server_conn, request_conn):
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class MessageDelegate(HTTPMessageDelegate):
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def __init__(self, connection):
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self.connection = connection
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def finish(self):
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response_body = b"OK"
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self.connection.write_headers(
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ResponseStartLine("HTTP/1.1", 200, "OK"),
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HTTPHeaders({"Content-Length": str(len(response_body))}),
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)
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self.connection.write(response_body)
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self.connection.finish()
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return MessageDelegate(request_conn)
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class RuleRouterTest(AsyncHTTPTestCase):
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def get_app(self):
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app = Application()
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def request_callable(request):
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request.connection.write_headers(
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ResponseStartLine("HTTP/1.1", 200, "OK"),
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HTTPHeaders({"Content-Length": "2"}),
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)
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request.connection.write(b"OK")
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request.connection.finish()
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router = CustomRouter()
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router.add_routes(
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{"/nested_handler": (app, _get_named_handler("nested_handler"))}
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)
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app.add_handlers(
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".*",
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[
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(
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HostMatches("www.example.com"),
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[
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(
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PathMatches("/first_handler"),
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"tornado.test.routing_test.SecondHandler",
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{},
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"second_handler",
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)
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],
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),
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Rule(PathMatches("/.*handler"), router),
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Rule(PathMatches("/first_handler"), FirstHandler, name="first_handler"),
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Rule(PathMatches("/request_callable"), request_callable),
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("/connection_delegate", ConnectionDelegate()),
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],
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)
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return app
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def test_rule_based_router(self):
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response = self.fetch("/first_handler")
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self.assertEqual(response.body, b"first_handler: /first_handler")
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response = self.fetch("/first_handler", headers={"Host": "www.example.com"})
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self.assertEqual(response.body, b"second_handler: /first_handler")
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response = self.fetch("/nested_handler")
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self.assertEqual(response.body, b"nested_handler: /nested_handler")
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response = self.fetch("/nested_not_found_handler")
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self.assertEqual(response.code, 404)
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response = self.fetch("/connection_delegate")
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self.assertEqual(response.body, b"OK")
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response = self.fetch("/request_callable")
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self.assertEqual(response.body, b"OK")
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response = self.fetch("/404")
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self.assertEqual(response.code, 404)
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class WSGIContainerTestCase(AsyncHTTPTestCase):
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def get_app(self):
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wsgi_app = WSGIContainer(self.wsgi_app)
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class Handler(RequestHandler):
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def get(self, *args, **kwargs):
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self.finish(self.reverse_url("tornado"))
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return RuleRouter(
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[
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(
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PathMatches("/tornado.*"),
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Application([(r"/tornado/test", Handler, {}, "tornado")]),
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),
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(PathMatches("/wsgi"), wsgi_app),
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]
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)
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def wsgi_app(self, environ, start_response):
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start_response("200 OK", [])
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return [b"WSGI"]
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def test_wsgi_container(self):
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response = self.fetch("/tornado/test")
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self.assertEqual(response.body, b"/tornado/test")
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response = self.fetch("/wsgi")
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self.assertEqual(response.body, b"WSGI")
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def test_delegate_not_found(self):
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response = self.fetch("/404")
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self.assertEqual(response.code, 404)
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