test_ssl.py 文件源码

def test_connect_ex_error(self):
        with support.transient_internet(REMOTE_HOST):
            s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                cert_reqs=ssl.CERT_REQUIRED,
                                ca_certs=REMOTE_ROOT_CERT)
            try:
                rc = s.connect_ex((REMOTE_HOST, 444))
                # Issue #19919: Windows machines or VMs hosted on Windows
                # machines sometimes return EWOULDBLOCK.
                errors = (
                    errno.ECONNREFUSED, errno.EHOSTUNREACH, errno.ETIMEDOUT,
                    errno.EWOULDBLOCK,
                )
                self.assertIn(rc, errors)
            finally:
                s.close()