test_asynchat.py 文件源码

def test_close_when_done(self):
        s, event = start_echo_server()
        s.start_resend_event = threading.Event()
        c = echo_client('\n', s.port)
        c.push("hello world\nI'm not dead yet!\n")
        c.push(SERVER_QUIT)
        c.close_when_done()
        asyncore.loop(use_poll=self.usepoll, count=300, timeout=.01)

        # Only allow the server to start echoing data back to the client after
        # the client has closed its connection.  This prevents a race condition
        # where the server echoes all of its data before we can check that it
        # got any down below.
        s.start_resend_event.set()
        s.join()

        self.assertEqual(c.contents, [])
        # the server might have been able to send a byte or two back, but this
        # at least checks that it received something and didn't just fail
        # (which could still result in the client not having received anything)
        self.assertTrue(len(s.buffer) > 0)