def test_chunked_close(self):
# test case in which chunks spread read-callback processing
# over several ioloop iterations, but the connection is already closed.
port = get_unused_port()
(sock,) = netutil.bind_sockets(port, address="127.0.0.1")
with closing(sock):
def write_response(stream, request_data):
stream.write(b("""\
HTTP/1.1 200 OK
Transfer-Encoding: chunked
1
1
1
2
0
""").replace(b("\n"), b("\r\n")), callback=stream.close)
def accept_callback(conn, address):
# fake an HTTP server using chunked encoding where the final chunks
# and connection close all happen at once
stream = IOStream(conn, io_loop=self.io_loop)
stream.read_until(b("\r\n\r\n"),
functools.partial(write_response, stream))
netutil.add_accept_handler(sock, accept_callback, self.io_loop)
self.http_client.fetch("http://127.0.0.1:%d/" % port, self.stop)
resp = self.wait()
resp.rethrow()
self.assertEqual(resp.body, b("12"))
def make_iostream_pair(self, **kwargs):
port = get_unused_port()
[listener] = netutil.bind_sockets(port, '127.0.0.1',
family=socket.AF_INET)
streams = [None, None]
def accept_callback(connection, address):
streams[0] = IOStream(connection, io_loop=self.io_loop, **kwargs)
self.stop()
def connect_callback():
streams[1] = client_stream
self.stop()
netutil.add_accept_handler(listener, accept_callback,
io_loop=self.io_loop)
client_stream = IOStream(socket.socket(), io_loop=self.io_loop,
**kwargs)
client_stream.connect(('127.0.0.1', port),
callback=connect_callback)
self.wait(condition=lambda: all(streams))
self.io_loop.remove_handler(listener.fileno())
listener.close()
return streams