/usr/lib/python3/dist-packages/tornado/test/tcpserver_test.py is in python3-tornado 4.2.1-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | import socket
from tornado import gen
from tornado.iostream import IOStream
from tornado.log import app_log
from tornado.stack_context import NullContext
from tornado.tcpserver import TCPServer
from tornado.testing import AsyncTestCase, ExpectLog, bind_unused_port, gen_test
class TCPServerTest(AsyncTestCase):
@gen_test
def test_handle_stream_coroutine_logging(self):
# handle_stream may be a coroutine and any exception in its
# Future will be logged.
class TestServer(TCPServer):
@gen.coroutine
def handle_stream(self, stream, address):
yield gen.moment
stream.close()
1/0
server = client = None
try:
sock, port = bind_unused_port()
with NullContext():
server = TestServer()
server.add_socket(sock)
client = IOStream(socket.socket())
with ExpectLog(app_log, "Exception in callback"):
yield client.connect(('localhost', port))
yield client.read_until_close()
yield gen.moment
finally:
if server is not None:
server.stop()
if client is not None:
client.close()
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