Method test_hostname_checks_common_name

Lib/test/test_ssl.py:3313–3332

(self)

        ssl.HAS_NEVER_CHECK_COMMON_NAME, "test requires hostname_checks_common_name"
    )
    def test_hostname_checks_common_name(self):
        client_context, server_context, hostname = testing_context()
        assert client_context.hostname_checks_common_name
        client_context.hostname_checks_common_name = False

        # default cert has a SAN
        server = ThreadedEchoServer(context=server_context, chatty=True)
        with server:
            with client_context.wrap_socket(socket.socket(),
                                            server_hostname=hostname) as s:
                s.connect((HOST, server.port))

        client_context, server_context, hostname = testing_context(NOSANFILE)
        client_context.hostname_checks_common_name = False
        server = ThreadedEchoServer(context=server_context, chatty=True)
        with server:
            with client_context.wrap_socket(socket.socket(),
                                            server_hostname=hostname) as s:
                with self.assertRaises(ssl.SSLCertVerificationError):
                    s.connect((HOST, server.port))

    def test_ecc_cert(self):
        client_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)