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SickRage/tornado/test/websocket_test.py

275 lines
9.5 KiB
Python

from __future__ import absolute_import, division, print_function, with_statement
import traceback
from tornado.concurrent import Future
from tornado.httpclient import HTTPError, HTTPRequest
from tornado.log import gen_log
from tornado.testing import AsyncHTTPTestCase, gen_test, bind_unused_port, ExpectLog
from tornado.test.util import unittest
from tornado.web import Application, RequestHandler
try:
import tornado.websocket
from tornado.util import _websocket_mask_python
except ImportError:
# The unittest module presents misleading errors on ImportError
# (it acts as if websocket_test could not be found, hiding the underlying
# error). If we get an ImportError here (which could happen due to
# TORNADO_EXTENSION=1), print some extra information before failing.
traceback.print_exc()
raise
from tornado.websocket import WebSocketHandler, websocket_connect, WebSocketError
try:
from tornado import speedups
except ImportError:
speedups = None
class TestWebSocketHandler(WebSocketHandler):
"""Base class for testing handlers that exposes the on_close event.
This allows for deterministic cleanup of the associated socket.
"""
def initialize(self, close_future):
self.close_future = close_future
def on_close(self):
self.close_future.set_result((self.close_code, self.close_reason))
class EchoHandler(TestWebSocketHandler):
def on_message(self, message):
self.write_message(message, isinstance(message, bytes))
class HeaderHandler(TestWebSocketHandler):
def open(self):
try:
# In a websocket context, many RequestHandler methods
# raise RuntimeErrors.
self.set_status(503)
raise Exception("did not get expected exception")
except RuntimeError:
pass
self.write_message(self.request.headers.get('X-Test', ''))
class NonWebSocketHandler(RequestHandler):
def get(self):
self.write('ok')
class CloseReasonHandler(TestWebSocketHandler):
def open(self):
self.close(1001, "goodbye")
class WebSocketTest(AsyncHTTPTestCase):
def get_app(self):
self.close_future = Future()
return Application([
('/echo', EchoHandler, dict(close_future=self.close_future)),
('/non_ws', NonWebSocketHandler),
('/header', HeaderHandler, dict(close_future=self.close_future)),
('/close_reason', CloseReasonHandler,
dict(close_future=self.close_future)),
])
def test_http_request(self):
# WS server, HTTP client.
response = self.fetch('/echo')
self.assertEqual(response.code, 400)
@gen_test
def test_websocket_gen(self):
ws = yield websocket_connect(
'ws://localhost:%d/echo' % self.get_http_port(),
io_loop=self.io_loop)
ws.write_message('hello')
response = yield ws.read_message()
self.assertEqual(response, 'hello')
ws.close()
yield self.close_future
def test_websocket_callbacks(self):
websocket_connect(
'ws://localhost:%d/echo' % self.get_http_port(),
io_loop=self.io_loop, callback=self.stop)
ws = self.wait().result()
ws.write_message('hello')
ws.read_message(self.stop)
response = self.wait().result()
self.assertEqual(response, 'hello')
self.close_future.add_done_callback(lambda f: self.stop())
ws.close()
self.wait()
@gen_test
def test_websocket_http_fail(self):
with self.assertRaises(HTTPError) as cm:
yield websocket_connect(
'ws://localhost:%d/notfound' % self.get_http_port(),
io_loop=self.io_loop)
self.assertEqual(cm.exception.code, 404)
@gen_test
def test_websocket_http_success(self):
with self.assertRaises(WebSocketError):
yield websocket_connect(
'ws://localhost:%d/non_ws' % self.get_http_port(),
io_loop=self.io_loop)
@gen_test
def test_websocket_network_fail(self):
sock, port = bind_unused_port()
sock.close()
with self.assertRaises(IOError):
with ExpectLog(gen_log, ".*"):
yield websocket_connect(
'ws://localhost:%d/' % port,
io_loop=self.io_loop,
connect_timeout=3600)
@gen_test
def test_websocket_close_buffered_data(self):
ws = yield websocket_connect(
'ws://localhost:%d/echo' % self.get_http_port())
ws.write_message('hello')
ws.write_message('world')
ws.stream.close()
yield self.close_future
@gen_test
def test_websocket_headers(self):
# Ensure that arbitrary headers can be passed through websocket_connect.
ws = yield websocket_connect(
HTTPRequest('ws://localhost:%d/header' % self.get_http_port(),
headers={'X-Test': 'hello'}))
response = yield ws.read_message()
self.assertEqual(response, 'hello')
ws.close()
yield self.close_future
@gen_test
def test_server_close_reason(self):
ws = yield websocket_connect(
'ws://localhost:%d/close_reason' % self.get_http_port())
msg = yield ws.read_message()
# A message of None means the other side closed the connection.
self.assertIs(msg, None)
self.assertEqual(ws.close_code, 1001)
self.assertEqual(ws.close_reason, "goodbye")
@gen_test
def test_client_close_reason(self):
ws = yield websocket_connect(
'ws://localhost:%d/echo' % self.get_http_port())
ws.close(1001, 'goodbye')
code, reason = yield self.close_future
self.assertEqual(code, 1001)
self.assertEqual(reason, 'goodbye')
@gen_test
def test_check_origin_valid_no_path(self):
port = self.get_http_port()
url = 'ws://localhost:%d/echo' % port
headers = {'Origin': 'http://localhost:%d' % port}
ws = yield websocket_connect(HTTPRequest(url, headers=headers),
io_loop=self.io_loop)
ws.write_message('hello')
response = yield ws.read_message()
self.assertEqual(response, 'hello')
ws.close()
yield self.close_future
@gen_test
def test_check_origin_valid_with_path(self):
port = self.get_http_port()
url = 'ws://localhost:%d/echo' % port
headers = {'Origin': 'http://localhost:%d/something' % port}
ws = yield websocket_connect(HTTPRequest(url, headers=headers),
io_loop=self.io_loop)
ws.write_message('hello')
response = yield ws.read_message()
self.assertEqual(response, 'hello')
ws.close()
yield self.close_future
@gen_test
def test_check_origin_invalid_partial_url(self):
port = self.get_http_port()
url = 'ws://localhost:%d/echo' % port
headers = {'Origin': 'localhost:%d' % port}
with self.assertRaises(HTTPError) as cm:
yield websocket_connect(HTTPRequest(url, headers=headers),
io_loop=self.io_loop)
self.assertEqual(cm.exception.code, 403)
@gen_test
def test_check_origin_invalid(self):
port = self.get_http_port()
url = 'ws://localhost:%d/echo' % port
# Host is localhost, which should not be accessible from some other
# domain
headers = {'Origin': 'http://somewhereelse.com'}
with self.assertRaises(HTTPError) as cm:
yield websocket_connect(HTTPRequest(url, headers=headers),
io_loop=self.io_loop)
self.assertEqual(cm.exception.code, 403)
@gen_test
def test_check_origin_invalid_subdomains(self):
port = self.get_http_port()
url = 'ws://localhost:%d/echo' % port
# Subdomains should be disallowed by default. If we could pass a
# resolver to websocket_connect we could test sibling domains as well.
headers = {'Origin': 'http://subtenant.localhost'}
with self.assertRaises(HTTPError) as cm:
yield websocket_connect(HTTPRequest(url, headers=headers),
io_loop=self.io_loop)
self.assertEqual(cm.exception.code, 403)
class MaskFunctionMixin(object):
# Subclasses should define self.mask(mask, data)
def test_mask(self):
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)