def test_fipa_cfp_serialization():
    """Test that the serialization for the 'fipa' protocol works."""
    query = Query([Constraint("something", ConstraintType(">", 1))])

    msg = FIPAMessage(
        message_id=0,
        dialogue_reference=(str(0), ""),
        target=0,
        performative=FIPAMessage.Performative.CFP,
        query=query,
    )
    msg_bytes = FIPASerializer().encode(msg)
    envelope = Envelope(
        to="receiver",
        sender="sender",
        protocol_id=FIPAMessage.protocol_id,
        message=msg_bytes,
    )
    envelope_bytes = envelope.encode()

    actual_envelope = Envelope.decode(envelope_bytes)
    expected_envelope = envelope
    assert expected_envelope == actual_envelope

    actual_msg = FIPASerializer().decode(actual_envelope.message)
    expected_msg = msg
    assert expected_msg == actual_msg

    msg.set("query", "not_supported_query")
    with pytest.raises(ValueError, match="Query type not supported:"):
        FIPASerializer().encode(msg)
    def test_serialisation_fipa(self):
        """Tests a Value Error flag for wrong CFP query."""
        with pytest.raises(ValueError):
            msg = FIPAMessage(
                performative=FIPAMessage.Performative.CFP,
                message_id=0,
                dialogue_reference=(str(0), ""),
                target=1,
                query=None,
            )
            with mock.patch(
                "packages.fetchai.protocols.fipa.message.FIPAMessage.Performative"
            ) as mock_performative_enum:
                mock_performative_enum.CFP.value = "unknown"
                FIPASerializer().encode(msg), "Raises Value Error"
        with pytest.raises(ValueError):
            msg.set("query", "Hello")
            # query type is not supported
            FIPASerializer().encode(msg)
        with pytest.raises(ValueError):
            cfp_msg = FIPAMessage(
                message_id=0,
                dialogue_reference=(str(0), ""),
                target=0,
                performative=FIPAMessage.Performative.CFP,
                query=b"hello",
            )
            cfp_msg.set("query", "hello")
            fipa_msg = fipa_pb2.FIPAMessage()
            fipa_msg.message_id = cfp_msg.get("message_id")
            dialogue_reference = cast(Dict[str, str], cfp_msg.get("dialogue_reference"))
            fipa_msg.dialogue_starter_reference = dialogue_reference[0]
            fipa_msg.dialogue_responder_reference = dialogue_reference[1]
            fipa_msg.target = cfp_msg.get("target")
            performative = fipa_pb2.FIPAMessage.CFP()
            fipa_msg.cfp.CopyFrom(performative)
            fipa_bytes = fipa_msg.SerializeToString()

            # The encoded message is not a valid FIPA message.
            FIPASerializer().decode(fipa_bytes)
        with pytest.raises(ValueError):
            cfp_msg = FIPAMessage(
                message_id=0,
                dialogue_reference=(str(0), ""),
                target=0,
                performative=FIPAMessage.Performative.CFP,
                query=b"hello",
            )
            with mock.patch(
                "packages.fetchai.protocols.fipa.message.FIPAMessage.Performative"
            ) as mock_performative_enum:
                mock_performative_enum.CFP.value = "unknown"
                fipa_msg = fipa_pb2.FIPAMessage()
                fipa_msg.message_id = cfp_msg.get("message_id")
                dialogue_reference = cast(
                    Dict[str, str], cfp_msg.get("dialogue_reference")
                )
                fipa_msg.dialogue_starter_reference = dialogue_reference[0]
                fipa_msg.dialogue_responder_reference = dialogue_reference[1]
                fipa_msg.target = cfp_msg.get("target")
                performative = fipa_pb2.FIPAMessage.CFP()
                fipa_msg.cfp.CopyFrom(performative)
                fipa_bytes = fipa_msg.SerializeToString()

                # The encoded message is not a FIPA message
                FIPASerializer().decode(fipa_bytes)