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from __future__ import absolute_import, division, print_function, with_statement
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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