840 lines
27 KiB
Python
840 lines
27 KiB
Python
import asyncio
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import functools
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import traceback
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import typing
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import unittest
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from tornado.concurrent import Future
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from tornado import gen
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from tornado.httpclient import HTTPError, HTTPRequest
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from tornado.locks import Event
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from tornado.log import gen_log, app_log
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from tornado.simple_httpclient import SimpleAsyncHTTPClient
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from tornado.template import DictLoader
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from tornado.testing import AsyncHTTPTestCase, gen_test, bind_unused_port, ExpectLog
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from tornado.web import Application, RequestHandler
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try:
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import tornado.websocket # noqa: F401
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from tornado.util import _websocket_mask_python
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except ImportError:
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# The unittest module presents misleading errors on ImportError
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# (it acts as if websocket_test could not be found, hiding the underlying
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# error). If we get an ImportError here (which could happen due to
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# TORNADO_EXTENSION=1), print some extra information before failing.
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traceback.print_exc()
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raise
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from tornado.websocket import (
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WebSocketHandler,
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websocket_connect,
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WebSocketError,
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WebSocketClosedError,
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)
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try:
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from tornado import speedups
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except ImportError:
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speedups = None # type: ignore
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class TestWebSocketHandler(WebSocketHandler):
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"""Base class for testing handlers that exposes the on_close event.
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This allows for tests to see the close code and reason on the
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server side.
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"""
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def initialize(self, close_future=None, compression_options=None):
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self.close_future = close_future
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self.compression_options = compression_options
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def get_compression_options(self):
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return self.compression_options
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def on_close(self):
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if self.close_future is not None:
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self.close_future.set_result((self.close_code, self.close_reason))
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class EchoHandler(TestWebSocketHandler):
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@gen.coroutine
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def on_message(self, message):
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try:
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yield self.write_message(message, isinstance(message, bytes))
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except asyncio.CancelledError:
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pass
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except WebSocketClosedError:
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pass
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class ErrorInOnMessageHandler(TestWebSocketHandler):
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def on_message(self, message):
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1 / 0
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class HeaderHandler(TestWebSocketHandler):
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def open(self):
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methods_to_test = [
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functools.partial(self.write, "This should not work"),
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functools.partial(self.redirect, "http://localhost/elsewhere"),
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functools.partial(self.set_header, "X-Test", ""),
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functools.partial(self.set_cookie, "Chocolate", "Chip"),
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functools.partial(self.set_status, 503),
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self.flush,
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self.finish,
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]
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for method in methods_to_test:
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try:
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# In a websocket context, many RequestHandler methods
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# raise RuntimeErrors.
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method() # type: ignore
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raise Exception("did not get expected exception")
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except RuntimeError:
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pass
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self.write_message(self.request.headers.get("X-Test", ""))
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class HeaderEchoHandler(TestWebSocketHandler):
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def set_default_headers(self):
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self.set_header("X-Extra-Response-Header", "Extra-Response-Value")
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def prepare(self):
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for k, v in self.request.headers.get_all():
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if k.lower().startswith("x-test"):
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self.set_header(k, v)
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class NonWebSocketHandler(RequestHandler):
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def get(self):
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self.write("ok")
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class RedirectHandler(RequestHandler):
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def get(self):
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self.redirect("/echo")
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class CloseReasonHandler(TestWebSocketHandler):
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def open(self):
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self.on_close_called = False
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self.close(1001, "goodbye")
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class AsyncPrepareHandler(TestWebSocketHandler):
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@gen.coroutine
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def prepare(self):
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yield gen.moment
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def on_message(self, message):
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self.write_message(message)
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class PathArgsHandler(TestWebSocketHandler):
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def open(self, arg):
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self.write_message(arg)
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class CoroutineOnMessageHandler(TestWebSocketHandler):
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def initialize(self, **kwargs):
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super().initialize(**kwargs)
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self.sleeping = 0
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@gen.coroutine
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def on_message(self, message):
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if self.sleeping > 0:
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self.write_message("another coroutine is already sleeping")
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self.sleeping += 1
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yield gen.sleep(0.01)
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self.sleeping -= 1
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self.write_message(message)
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class RenderMessageHandler(TestWebSocketHandler):
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def on_message(self, message):
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self.write_message(self.render_string("message.html", message=message))
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class SubprotocolHandler(TestWebSocketHandler):
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def initialize(self, **kwargs):
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super().initialize(**kwargs)
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self.select_subprotocol_called = False
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def select_subprotocol(self, subprotocols):
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if self.select_subprotocol_called:
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raise Exception("select_subprotocol called twice")
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self.select_subprotocol_called = True
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if "goodproto" in subprotocols:
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return "goodproto"
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return None
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def open(self):
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if not self.select_subprotocol_called:
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raise Exception("select_subprotocol not called")
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self.write_message("subprotocol=%s" % self.selected_subprotocol)
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class OpenCoroutineHandler(TestWebSocketHandler):
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def initialize(self, test, **kwargs):
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super().initialize(**kwargs)
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self.test = test
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self.open_finished = False
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@gen.coroutine
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def open(self):
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yield self.test.message_sent.wait()
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yield gen.sleep(0.010)
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self.open_finished = True
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def on_message(self, message):
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if not self.open_finished:
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raise Exception("on_message called before open finished")
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self.write_message("ok")
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class ErrorInOpenHandler(TestWebSocketHandler):
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def open(self):
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raise Exception("boom")
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class ErrorInAsyncOpenHandler(TestWebSocketHandler):
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async def open(self):
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await asyncio.sleep(0)
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raise Exception("boom")
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class NoDelayHandler(TestWebSocketHandler):
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def open(self):
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self.set_nodelay(True)
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self.write_message("hello")
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class WebSocketBaseTestCase(AsyncHTTPTestCase):
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@gen.coroutine
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def ws_connect(self, path, **kwargs):
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ws = yield websocket_connect(
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"ws://127.0.0.1:%d%s" % (self.get_http_port(), path), **kwargs
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)
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raise gen.Return(ws)
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class WebSocketTest(WebSocketBaseTestCase):
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def get_app(self):
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self.close_future = Future() # type: Future[None]
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return Application(
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[
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("/echo", EchoHandler, dict(close_future=self.close_future)),
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("/non_ws", NonWebSocketHandler),
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("/redirect", RedirectHandler),
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("/header", HeaderHandler, dict(close_future=self.close_future)),
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(
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"/header_echo",
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HeaderEchoHandler,
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dict(close_future=self.close_future),
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),
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(
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"/close_reason",
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CloseReasonHandler,
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dict(close_future=self.close_future),
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),
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(
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"/error_in_on_message",
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ErrorInOnMessageHandler,
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dict(close_future=self.close_future),
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),
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(
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"/async_prepare",
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AsyncPrepareHandler,
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dict(close_future=self.close_future),
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),
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(
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"/path_args/(.*)",
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PathArgsHandler,
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dict(close_future=self.close_future),
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),
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(
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"/coroutine",
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CoroutineOnMessageHandler,
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dict(close_future=self.close_future),
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),
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("/render", RenderMessageHandler, dict(close_future=self.close_future)),
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(
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"/subprotocol",
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SubprotocolHandler,
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dict(close_future=self.close_future),
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),
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(
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"/open_coroutine",
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OpenCoroutineHandler,
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dict(close_future=self.close_future, test=self),
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),
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("/error_in_open", ErrorInOpenHandler),
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("/error_in_async_open", ErrorInAsyncOpenHandler),
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("/nodelay", NoDelayHandler),
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],
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template_loader=DictLoader({"message.html": "<b>{{ message }}</b>"}),
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)
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def get_http_client(self):
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# These tests require HTTP/1; force the use of SimpleAsyncHTTPClient.
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return SimpleAsyncHTTPClient()
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def tearDown(self):
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super().tearDown()
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RequestHandler._template_loaders.clear()
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def test_http_request(self):
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# WS server, HTTP client.
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response = self.fetch("/echo")
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self.assertEqual(response.code, 400)
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def test_missing_websocket_key(self):
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response = self.fetch(
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"/echo",
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headers={
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"Connection": "Upgrade",
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"Upgrade": "WebSocket",
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"Sec-WebSocket-Version": "13",
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},
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)
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self.assertEqual(response.code, 400)
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def test_bad_websocket_version(self):
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response = self.fetch(
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"/echo",
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headers={
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"Connection": "Upgrade",
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"Upgrade": "WebSocket",
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"Sec-WebSocket-Version": "12",
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},
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)
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self.assertEqual(response.code, 426)
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@gen_test
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def test_websocket_gen(self):
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ws = yield self.ws_connect("/echo")
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yield ws.write_message("hello")
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response = yield ws.read_message()
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self.assertEqual(response, "hello")
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def test_websocket_callbacks(self):
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websocket_connect(
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"ws://127.0.0.1:%d/echo" % self.get_http_port(), callback=self.stop
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)
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ws = self.wait().result()
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ws.write_message("hello")
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ws.read_message(self.stop)
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response = self.wait().result()
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self.assertEqual(response, "hello")
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self.close_future.add_done_callback(lambda f: self.stop())
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ws.close()
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self.wait()
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@gen_test
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def test_binary_message(self):
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ws = yield self.ws_connect("/echo")
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ws.write_message(b"hello \xe9", binary=True)
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response = yield ws.read_message()
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self.assertEqual(response, b"hello \xe9")
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@gen_test
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def test_unicode_message(self):
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ws = yield self.ws_connect("/echo")
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ws.write_message(u"hello \u00e9")
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response = yield ws.read_message()
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self.assertEqual(response, u"hello \u00e9")
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@gen_test
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def test_render_message(self):
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ws = yield self.ws_connect("/render")
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ws.write_message("hello")
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response = yield ws.read_message()
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self.assertEqual(response, "<b>hello</b>")
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@gen_test
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def test_error_in_on_message(self):
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ws = yield self.ws_connect("/error_in_on_message")
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ws.write_message("hello")
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with ExpectLog(app_log, "Uncaught exception"):
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response = yield ws.read_message()
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self.assertIs(response, None)
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@gen_test
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def test_websocket_http_fail(self):
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with self.assertRaises(HTTPError) as cm:
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yield self.ws_connect("/notfound")
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self.assertEqual(cm.exception.code, 404)
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@gen_test
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def test_websocket_http_success(self):
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with self.assertRaises(WebSocketError):
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yield self.ws_connect("/non_ws")
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@gen_test
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def test_websocket_http_redirect(self):
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with self.assertRaises(HTTPError):
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yield self.ws_connect("/redirect")
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@gen_test
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def test_websocket_network_fail(self):
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sock, port = bind_unused_port()
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sock.close()
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with self.assertRaises(IOError):
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with ExpectLog(gen_log, ".*"):
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yield websocket_connect(
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"ws://127.0.0.1:%d/" % port, connect_timeout=3600
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)
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@gen_test
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def test_websocket_close_buffered_data(self):
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ws = yield websocket_connect("ws://127.0.0.1:%d/echo" % self.get_http_port())
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ws.write_message("hello")
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ws.write_message("world")
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# Close the underlying stream.
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ws.stream.close()
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@gen_test
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def test_websocket_headers(self):
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# Ensure that arbitrary headers can be passed through websocket_connect.
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ws = yield websocket_connect(
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HTTPRequest(
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"ws://127.0.0.1:%d/header" % self.get_http_port(),
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headers={"X-Test": "hello"},
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)
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)
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response = yield ws.read_message()
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self.assertEqual(response, "hello")
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@gen_test
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def test_websocket_header_echo(self):
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# Ensure that headers can be returned in the response.
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# Specifically, that arbitrary headers passed through websocket_connect
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# can be returned.
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ws = yield websocket_connect(
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HTTPRequest(
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"ws://127.0.0.1:%d/header_echo" % self.get_http_port(),
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headers={"X-Test-Hello": "hello"},
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)
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)
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self.assertEqual(ws.headers.get("X-Test-Hello"), "hello")
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self.assertEqual(
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ws.headers.get("X-Extra-Response-Header"), "Extra-Response-Value"
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)
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@gen_test
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def test_server_close_reason(self):
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ws = yield self.ws_connect("/close_reason")
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msg = yield ws.read_message()
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# A message of None means the other side closed the connection.
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self.assertIs(msg, None)
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self.assertEqual(ws.close_code, 1001)
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self.assertEqual(ws.close_reason, "goodbye")
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# The on_close callback is called no matter which side closed.
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code, reason = yield self.close_future
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# The client echoed the close code it received to the server,
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# so the server's close code (returned via close_future) is
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# the same.
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self.assertEqual(code, 1001)
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@gen_test
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def test_client_close_reason(self):
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ws = yield self.ws_connect("/echo")
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ws.close(1001, "goodbye")
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code, reason = yield self.close_future
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self.assertEqual(code, 1001)
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self.assertEqual(reason, "goodbye")
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@gen_test
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def test_write_after_close(self):
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ws = yield self.ws_connect("/close_reason")
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msg = yield ws.read_message()
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self.assertIs(msg, None)
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with self.assertRaises(WebSocketClosedError):
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ws.write_message("hello")
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@gen_test
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def test_async_prepare(self):
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# Previously, an async prepare method triggered a bug that would
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# result in a timeout on test shutdown (and a memory leak).
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ws = yield self.ws_connect("/async_prepare")
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ws.write_message("hello")
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res = yield ws.read_message()
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self.assertEqual(res, "hello")
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@gen_test
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def test_path_args(self):
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ws = yield self.ws_connect("/path_args/hello")
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res = yield ws.read_message()
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self.assertEqual(res, "hello")
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@gen_test
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def test_coroutine(self):
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ws = yield self.ws_connect("/coroutine")
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# Send both messages immediately, coroutine must process one at a time.
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yield ws.write_message("hello1")
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yield ws.write_message("hello2")
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res = yield ws.read_message()
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self.assertEqual(res, "hello1")
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res = yield ws.read_message()
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self.assertEqual(res, "hello2")
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@gen_test
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def test_check_origin_valid_no_path(self):
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port = self.get_http_port()
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url = "ws://127.0.0.1:%d/echo" % port
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headers = {"Origin": "http://127.0.0.1:%d" % port}
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ws = yield websocket_connect(HTTPRequest(url, headers=headers))
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ws.write_message("hello")
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response = yield ws.read_message()
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self.assertEqual(response, "hello")
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@gen_test
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def test_check_origin_valid_with_path(self):
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port = self.get_http_port()
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url = "ws://127.0.0.1:%d/echo" % port
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headers = {"Origin": "http://127.0.0.1:%d/something" % port}
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ws = yield websocket_connect(HTTPRequest(url, headers=headers))
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ws.write_message("hello")
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response = yield ws.read_message()
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self.assertEqual(response, "hello")
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@gen_test
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def test_check_origin_invalid_partial_url(self):
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port = self.get_http_port()
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url = "ws://127.0.0.1:%d/echo" % port
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headers = {"Origin": "127.0.0.1:%d" % port}
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with self.assertRaises(HTTPError) as cm:
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yield websocket_connect(HTTPRequest(url, headers=headers))
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self.assertEqual(cm.exception.code, 403)
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@gen_test
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def test_check_origin_invalid(self):
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port = self.get_http_port()
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url = "ws://127.0.0.1:%d/echo" % port
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# Host is 127.0.0.1, which should not be accessible from some other
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# domain
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headers = {"Origin": "http://somewhereelse.com"}
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with self.assertRaises(HTTPError) as cm:
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yield websocket_connect(HTTPRequest(url, headers=headers))
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self.assertEqual(cm.exception.code, 403)
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@gen_test
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def test_check_origin_invalid_subdomains(self):
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port = self.get_http_port()
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url = "ws://localhost:%d/echo" % port
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# Subdomains should be disallowed by default. If we could pass a
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# resolver to websocket_connect we could test sibling domains as well.
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headers = {"Origin": "http://subtenant.localhost"}
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|
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with self.assertRaises(HTTPError) as cm:
|
|
yield websocket_connect(HTTPRequest(url, headers=headers))
|
|
|
|
self.assertEqual(cm.exception.code, 403)
|
|
|
|
@gen_test
|
|
def test_subprotocols(self):
|
|
ws = yield self.ws_connect(
|
|
"/subprotocol", subprotocols=["badproto", "goodproto"]
|
|
)
|
|
self.assertEqual(ws.selected_subprotocol, "goodproto")
|
|
res = yield ws.read_message()
|
|
self.assertEqual(res, "subprotocol=goodproto")
|
|
|
|
@gen_test
|
|
def test_subprotocols_not_offered(self):
|
|
ws = yield self.ws_connect("/subprotocol")
|
|
self.assertIs(ws.selected_subprotocol, None)
|
|
res = yield ws.read_message()
|
|
self.assertEqual(res, "subprotocol=None")
|
|
|
|
@gen_test
|
|
def test_open_coroutine(self):
|
|
self.message_sent = Event()
|
|
ws = yield self.ws_connect("/open_coroutine")
|
|
yield ws.write_message("hello")
|
|
self.message_sent.set()
|
|
res = yield ws.read_message()
|
|
self.assertEqual(res, "ok")
|
|
|
|
@gen_test
|
|
def test_error_in_open(self):
|
|
with ExpectLog(app_log, "Uncaught exception"):
|
|
ws = yield self.ws_connect("/error_in_open")
|
|
res = yield ws.read_message()
|
|
self.assertIsNone(res)
|
|
|
|
@gen_test
|
|
def test_error_in_async_open(self):
|
|
with ExpectLog(app_log, "Uncaught exception"):
|
|
ws = yield self.ws_connect("/error_in_async_open")
|
|
res = yield ws.read_message()
|
|
self.assertIsNone(res)
|
|
|
|
@gen_test
|
|
def test_nodelay(self):
|
|
ws = yield self.ws_connect("/nodelay")
|
|
res = yield ws.read_message()
|
|
self.assertEqual(res, "hello")
|
|
|
|
|
|
class NativeCoroutineOnMessageHandler(TestWebSocketHandler):
|
|
def initialize(self, **kwargs):
|
|
super().initialize(**kwargs)
|
|
self.sleeping = 0
|
|
|
|
async def on_message(self, message):
|
|
if self.sleeping > 0:
|
|
self.write_message("another coroutine is already sleeping")
|
|
self.sleeping += 1
|
|
await gen.sleep(0.01)
|
|
self.sleeping -= 1
|
|
self.write_message(message)
|
|
|
|
|
|
class WebSocketNativeCoroutineTest(WebSocketBaseTestCase):
|
|
def get_app(self):
|
|
return Application([("/native", NativeCoroutineOnMessageHandler)])
|
|
|
|
@gen_test
|
|
def test_native_coroutine(self):
|
|
ws = yield self.ws_connect("/native")
|
|
# Send both messages immediately, coroutine must process one at a time.
|
|
yield ws.write_message("hello1")
|
|
yield ws.write_message("hello2")
|
|
res = yield ws.read_message()
|
|
self.assertEqual(res, "hello1")
|
|
res = yield ws.read_message()
|
|
self.assertEqual(res, "hello2")
|
|
|
|
|
|
class CompressionTestMixin(object):
|
|
MESSAGE = "Hello world. Testing 123 123"
|
|
|
|
def get_app(self):
|
|
class LimitedHandler(TestWebSocketHandler):
|
|
@property
|
|
def max_message_size(self):
|
|
return 1024
|
|
|
|
def on_message(self, message):
|
|
self.write_message(str(len(message)))
|
|
|
|
return Application(
|
|
[
|
|
(
|
|
"/echo",
|
|
EchoHandler,
|
|
dict(compression_options=self.get_server_compression_options()),
|
|
),
|
|
(
|
|
"/limited",
|
|
LimitedHandler,
|
|
dict(compression_options=self.get_server_compression_options()),
|
|
),
|
|
]
|
|
)
|
|
|
|
def get_server_compression_options(self):
|
|
return None
|
|
|
|
def get_client_compression_options(self):
|
|
return None
|
|
|
|
def verify_wire_bytes(self, bytes_in: int, bytes_out: int) -> None:
|
|
raise NotImplementedError()
|
|
|
|
@gen_test
|
|
def test_message_sizes(self: typing.Any):
|
|
ws = yield self.ws_connect(
|
|
"/echo", compression_options=self.get_client_compression_options()
|
|
)
|
|
# Send the same message three times so we can measure the
|
|
# effect of the context_takeover options.
|
|
for i in range(3):
|
|
ws.write_message(self.MESSAGE)
|
|
response = yield ws.read_message()
|
|
self.assertEqual(response, self.MESSAGE)
|
|
self.assertEqual(ws.protocol._message_bytes_out, len(self.MESSAGE) * 3)
|
|
self.assertEqual(ws.protocol._message_bytes_in, len(self.MESSAGE) * 3)
|
|
self.verify_wire_bytes(ws.protocol._wire_bytes_in, ws.protocol._wire_bytes_out)
|
|
|
|
@gen_test
|
|
def test_size_limit(self: typing.Any):
|
|
ws = yield self.ws_connect(
|
|
"/limited", compression_options=self.get_client_compression_options()
|
|
)
|
|
# Small messages pass through.
|
|
ws.write_message("a" * 128)
|
|
response = yield ws.read_message()
|
|
self.assertEqual(response, "128")
|
|
# This message is too big after decompression, but it compresses
|
|
# down to a size that will pass the initial checks.
|
|
ws.write_message("a" * 2048)
|
|
response = yield ws.read_message()
|
|
self.assertIsNone(response)
|
|
|
|
|
|
class UncompressedTestMixin(CompressionTestMixin):
|
|
"""Specialization of CompressionTestMixin when we expect no compression."""
|
|
|
|
def verify_wire_bytes(self: typing.Any, bytes_in, bytes_out):
|
|
# Bytes out includes the 4-byte mask key per message.
|
|
self.assertEqual(bytes_out, 3 * (len(self.MESSAGE) + 6))
|
|
self.assertEqual(bytes_in, 3 * (len(self.MESSAGE) + 2))
|
|
|
|
|
|
class NoCompressionTest(UncompressedTestMixin, WebSocketBaseTestCase):
|
|
pass
|
|
|
|
|
|
# If only one side tries to compress, the extension is not negotiated.
|
|
class ServerOnlyCompressionTest(UncompressedTestMixin, WebSocketBaseTestCase):
|
|
def get_server_compression_options(self):
|
|
return {}
|
|
|
|
|
|
class ClientOnlyCompressionTest(UncompressedTestMixin, WebSocketBaseTestCase):
|
|
def get_client_compression_options(self):
|
|
return {}
|
|
|
|
|
|
class DefaultCompressionTest(CompressionTestMixin, WebSocketBaseTestCase):
|
|
def get_server_compression_options(self):
|
|
return {}
|
|
|
|
def get_client_compression_options(self):
|
|
return {}
|
|
|
|
def verify_wire_bytes(self, bytes_in, bytes_out):
|
|
self.assertLess(bytes_out, 3 * (len(self.MESSAGE) + 6))
|
|
self.assertLess(bytes_in, 3 * (len(self.MESSAGE) + 2))
|
|
# Bytes out includes the 4 bytes mask key per message.
|
|
self.assertEqual(bytes_out, bytes_in + 12)
|
|
|
|
|
|
class MaskFunctionMixin(object):
|
|
# Subclasses should define self.mask(mask, data)
|
|
def mask(self, mask: bytes, data: bytes) -> bytes:
|
|
raise NotImplementedError()
|
|
|
|
def test_mask(self: typing.Any):
|
|
self.assertEqual(self.mask(b"abcd", b""), b"")
|
|
self.assertEqual(self.mask(b"abcd", b"b"), b"\x03")
|
|
self.assertEqual(self.mask(b"abcd", b"54321"), b"TVPVP")
|
|
self.assertEqual(self.mask(b"ZXCV", b"98765432"), b"c`t`olpd")
|
|
# Include test cases with \x00 bytes (to ensure that the C
|
|
# extension isn't depending on null-terminated strings) and
|
|
# bytes with the high bit set (to smoke out signedness issues).
|
|
self.assertEqual(
|
|
self.mask(b"\x00\x01\x02\x03", b"\xff\xfb\xfd\xfc\xfe\xfa"),
|
|
b"\xff\xfa\xff\xff\xfe\xfb",
|
|
)
|
|
self.assertEqual(
|
|
self.mask(b"\xff\xfb\xfd\xfc", b"\x00\x01\x02\x03\x04\x05"),
|
|
b"\xff\xfa\xff\xff\xfb\xfe",
|
|
)
|
|
|
|
|
|
class PythonMaskFunctionTest(MaskFunctionMixin, unittest.TestCase):
|
|
def mask(self, mask, data):
|
|
return _websocket_mask_python(mask, data)
|
|
|
|
|
|
@unittest.skipIf(speedups is None, "tornado.speedups module not present")
|
|
class CythonMaskFunctionTest(MaskFunctionMixin, unittest.TestCase):
|
|
def mask(self, mask, data):
|
|
return speedups.websocket_mask(mask, data)
|
|
|
|
|
|
class ServerPeriodicPingTest(WebSocketBaseTestCase):
|
|
def get_app(self):
|
|
class PingHandler(TestWebSocketHandler):
|
|
def on_pong(self, data):
|
|
self.write_message("got pong")
|
|
|
|
return Application([("/", PingHandler)], websocket_ping_interval=0.01)
|
|
|
|
@gen_test
|
|
def test_server_ping(self):
|
|
ws = yield self.ws_connect("/")
|
|
for i in range(3):
|
|
response = yield ws.read_message()
|
|
self.assertEqual(response, "got pong")
|
|
# TODO: test that the connection gets closed if ping responses stop.
|
|
|
|
|
|
class ClientPeriodicPingTest(WebSocketBaseTestCase):
|
|
def get_app(self):
|
|
class PingHandler(TestWebSocketHandler):
|
|
def on_ping(self, data):
|
|
self.write_message("got ping")
|
|
|
|
return Application([("/", PingHandler)])
|
|
|
|
@gen_test
|
|
def test_client_ping(self):
|
|
ws = yield self.ws_connect("/", ping_interval=0.01)
|
|
for i in range(3):
|
|
response = yield ws.read_message()
|
|
self.assertEqual(response, "got ping")
|
|
# TODO: test that the connection gets closed if ping responses stop.
|
|
|
|
|
|
class ManualPingTest(WebSocketBaseTestCase):
|
|
def get_app(self):
|
|
class PingHandler(TestWebSocketHandler):
|
|
def on_ping(self, data):
|
|
self.write_message(data, binary=isinstance(data, bytes))
|
|
|
|
return Application([("/", PingHandler)])
|
|
|
|
@gen_test
|
|
def test_manual_ping(self):
|
|
ws = yield self.ws_connect("/")
|
|
|
|
self.assertRaises(ValueError, ws.ping, "a" * 126)
|
|
|
|
ws.ping("hello")
|
|
resp = yield ws.read_message()
|
|
# on_ping always sees bytes.
|
|
self.assertEqual(resp, b"hello")
|
|
|
|
ws.ping(b"binary hello")
|
|
resp = yield ws.read_message()
|
|
self.assertEqual(resp, b"binary hello")
|
|
|
|
|
|
class MaxMessageSizeTest(WebSocketBaseTestCase):
|
|
def get_app(self):
|
|
return Application([("/", EchoHandler)], websocket_max_message_size=1024)
|
|
|
|
@gen_test
|
|
def test_large_message(self):
|
|
ws = yield self.ws_connect("/")
|
|
|
|
# Write a message that is allowed.
|
|
msg = "a" * 1024
|
|
ws.write_message(msg)
|
|
resp = yield ws.read_message()
|
|
self.assertEqual(resp, msg)
|
|
|
|
# Write a message that is too large.
|
|
ws.write_message(msg + "b")
|
|
resp = yield ws.read_message()
|
|
# A message of None means the other side closed the connection.
|
|
self.assertIs(resp, None)
|
|
self.assertEqual(ws.close_code, 1009)
|
|
self.assertEqual(ws.close_reason, "message too big")
|
|
# TODO: Needs tests of messages split over multiple
|
|
# continuation frames.
|