test_urllib2_localnet.py 文件源码

def test_https_sni(self):
        if ssl is None:
            self.skipTest("ssl module required")
        if not ssl.HAS_SNI:
            self.skipTest("SNI support required in OpenSSL")
        sni_name = None
        def cb_sni(ssl_sock, server_name, initial_context):
            nonlocal sni_name
            sni_name = server_name
        context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
        context.set_servername_callback(cb_sni)
        handler = self.start_https_server(context=context, certfile=CERT_localhost)
        self.urlopen("https://localhost:%s" % handler.port)
        self.assertEqual(sni_name, "localhost")