class ManualCapClient(BaseCapClient):
def capitalize(self, request_data, callback=None):
logging.info("capitalize")
self.request_data = request_data
self.stream = IOStream(socket.socket(), io_loop=self.io_loop)
self.stream.connect(('127.0.0.1', self.port),
callback=self.handle_connect)
self.future = Future()
if callback is not None:
self.future.add_done_callback(
stack_context.wrap(lambda future: callback(future.result())))
return self.future
def handle_connect(self):
logging.info("handle_connect")
self.stream.write(utf8(self.request_data + "\n"))
self.stream.read_until(b'\n', callback=self.handle_read)
def handle_read(self, data):
logging.info("handle_read")
self.stream.close()
try:
self.future.set_result(self.process_response(data))
except CapError as e:
self.future.set_exception(e)
def wait(self, timeout=None):
"""Wait for `.notify`.
Returns a `.Future` that resolves ``True`` if the condition is notified,
or ``False`` after a timeout.
"""
waiter = Future()
self._waiters.append(waiter)
if timeout:
def on_timeout():
waiter.set_result(False)
self._garbage_collect()
io_loop = ioloop.IOLoop.current()
timeout_handle = io_loop.add_timeout(timeout, on_timeout)
waiter.add_done_callback(
lambda _: io_loop.remove_timeout(timeout_handle))
return waiter
def acquire(self, timeout=None):
"""Decrement the counter. Returns a Future.
Block if the counter is zero and wait for a `.release`. The Future
raises `.TimeoutError` after the deadline.
"""
waiter = Future()
if self._value > 0:
self._value -= 1
waiter.set_result(_ReleasingContextManager(self))
else:
self._waiters.append(waiter)
if timeout:
def on_timeout():
waiter.set_exception(gen.TimeoutError())
self._garbage_collect()
io_loop = ioloop.IOLoop.current()
timeout_handle = io_loop.add_timeout(timeout, on_timeout)
waiter.add_done_callback(
lambda _: io_loop.remove_timeout(timeout_handle))
return waiter
class WebSocketTest(WebSocketBaseTestCase):
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)),
('/error_in_on_message', ErrorInOnMessageHandler,
dict(close_future=self.close_future)),
('/async_prepare', AsyncPrepareHandler,
dict(close_future=self.close_future)),
('/path_args/(.*)', PathArgsHandler,
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 self.ws_connect('/echo')
yield ws.write_message('hello')
response = yield ws.read_message()
self.assertEqual(response, 'hello')
yield self.close(ws)
def test_websocket_callbacks(self):
websocket_connect('ws://127.0.0.1:%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_binary_message(self):
ws = yield self.ws_connect('/echo')
ws.write_message(b'hello \xe9', binary=True)
response = yield ws.read_message()
self.assertEqual(response, b'hello \xe9')
yield self.close(ws)
@gen_test
def test_unicode_message(self):
ws = yield self.ws_connect('/echo')
ws.write_message(u'hello \u00e9')
response = yield ws.read_message()
self.assertEqual(response, u'hello \u00e9')
yield self.close(ws)
@gen_test
def test_error_in_on_message(self):
ws = yield self.ws_connect('/error_in_on_message')
ws.write_message('hello')
with ExpectLog(app_log, "Uncaught exception"):
response = yield ws.read_message()
self.assertIs(response, None)
yield self.close(ws)
@gen_test
def test_websocket_http_fail(self):
with self.assertRaises(HTTPError) as cm:
yield self.ws_connect('/notfound')
self.assertEqual(cm.exception.code, 404)
@gen_test
def test_websocket_http_success(self):
with self.assertRaises(WebSocketError):
yield self.ws_connect('/non_ws')
@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://127.0.0.1:%d/' % port,
io_loop=self.io_loop,
connect_timeout=3600)
@gen_test
def test_websocket_close_buffered_data(self):
ws = yield websocket_connect('ws://127.0.0.1:%d/echo' %
self.get_http_port())
ws.write_message('hello')
ws.write_message('world')
# Close the underlying stream.
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://127.0.0.1:%d/header' % self.get_http_port(),
headers={'X-Test': 'hello'}))
response = yield ws.read_message()
self.assertEqual(response, 'hello')
yield self.close(ws)
@gen_test
def test_server_close_reason(self):
ws = yield self.ws_connect('/close_reason')
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")
# The on_close callback is called no matter which side closed.
code, reason = yield self.close_future
# The client echoed the close code it received to the server,
# so the server's close code (returned via close_future) is
# the same.
self.assertEqual(code, 1001)
@gen_test
def test_client_close_reason(self):
ws = yield self.ws_connect('/echo')
ws.close(1001, 'goodbye')
code, reason = yield self.close_future
self.assertEqual(code, 1001)
self.assertEqual(reason, 'goodbye')
@gen_test
def test_async_prepare(self):
# Previously, an async prepare method triggered a bug that would
# result in a timeout on test shutdown (and a memory leak).
ws = yield self.ws_connect('/async_prepare')
ws.write_message('hello')
res = yield ws.read_message()
self.assertEqual(res, 'hello')
@gen_test
def test_path_args(self):
ws = yield self.ws_connect('/path_args/hello')
res = yield ws.read_message()
self.assertEqual(res, 'hello')
@gen_test
def test_check_origin_valid_no_path(self):
port = self.get_http_port()
url = 'ws://127.0.0.1:%d/echo' % port
headers = {'Origin': 'http://127.0.0.1:%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')
yield self.close(ws)
@gen_test
def test_check_origin_valid_with_path(self):
port = self.get_http_port()
url = 'ws://127.0.0.1:%d/echo' % port
headers = {'Origin': 'http://127.0.0.1:%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')
yield self.close(ws)
@gen_test
def test_check_origin_invalid_partial_url(self):
port = self.get_http_port()
url = 'ws://127.0.0.1:%d/echo' % port
headers = {'Origin': '127.0.0.1:%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://127.0.0.1:%d/echo' % port
# Host is 127.0.0.1, 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)