How to use the fido2.cbor.encode function in fido2

def test_make_credential(self):
        ctap = CTAP2(mock.MagicMock())
        ctap.device.call.return_value = b"\0" + _MC_RESP

        resp = ctap.make_credential(1, 2, 3, 4)
        ctap.device.call.assert_called_with(
            0x10, b"\1" + cbor.encode({1: 1, 2: 2, 3: 3, 4: 4}), mock.ANY, None
        )

        self.assertIsInstance(resp, AttestationObject)
        self.assertEqual(resp, _MC_RESP)
        self.assertEqual(resp.fmt, "packed")
        self.assertEqual(resp.auth_data, _AUTH_DATA_MC)
        self.assertSetEqual(set(resp.att_statement.keys()), {"alg", "sig", "x5c"})

def create(cls, fmt, auth_data, att_stmt):
        """Create an AttestationObject instance.

        :param fmt: The type of attestation used.
        :type fmt: str
        :param auth_data: Binary representation of the authenticator data.
        :type auth_data: bytes
        :param att_stmt: The attestation statement.
        :type att_stmt: dict
        :return: The attestation object.
        :rtype: AttestationObject
        """
        return cls(cbor.encode(args(fmt, auth_data, att_stmt)))

def authenticate_begin():
    if not credentials:
        abort(404)

    auth_data, state = server.authenticate_begin(credentials)
    session["state"] = state
    return cbor.encode(auth_data)

def register_complete():
    data = cbor.decode(request.get_data())
    client_data = ClientData(data["clientDataJSON"])
    att_obj = AttestationObject(data["attestationObject"])
    print("clientData", client_data)
    print("AttestationObject:", att_obj)

    auth_data = server.register_complete(session["state"], client_data, att_obj)

    credentials.append(auth_data.credential_data)
    print("REGISTERED CREDENTIAL:", auth_data.credential_data)
    return cbor.encode({"status": "OK"})

def register_complete():
    data = cbor.decode(request.get_data())
    client_data = ClientData(data["clientDataJSON"])
    att_obj = AttestationObject(data["attestationObject"])
    print("clientData", client_data)
    print("AttestationObject:", att_obj)

    auth_data = server.register_complete(session["state"], client_data, att_obj)

    credentials.append(auth_data.credential_data)
    print("REGISTERED CREDENTIAL:", auth_data.credential_data)
    return cbor.encode({"status": "OK"})

client_data = ClientData(data["clientDataJSON"])
    auth_data = AuthenticatorData(data["authenticatorData"])
    signature = data["signature"]
    print("clientData", client_data)
    print("AuthenticatorData", auth_data)

    server.authenticate_complete(
        session.pop("state"),
        credentials,
        credential_id,
        client_data,
        auth_data,
        signature,
    )
    print("ASSERTION OK")
    return cbor.encode({"status": "OK"})

def authenticate_begin():
    if not credentials:
        abort(404)

    auth_data, state = server.authenticate_begin(credentials)
    session["state"] = state
    return cbor.encode(auth_data)

def with_int_keys(self):
        """Get a copy of this AttestationObject, using CTAP2 integer values as
        map keys in the CBOR representation.

        :return: The attestation object, using int keys.
        :rtype: AttestationObject
        """
        return AttestationObject(cbor.encode(self.data))