Esempio n. 1
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    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(
                    "aea.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(
                    "aea.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)
Esempio n. 2
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 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_id=0,
                           destination="publicKey",
                           target=1)
         with mock.patch("aea.protocols.fipa.message.FIPAMessage.Performative")\
                 as mock_performative_enum:
             mock_performative_enum.CFP.value = "unknown"
             assert FIPASerializer().encode(msg), "Raises Value Error"
     with pytest.raises(ValueError):
         msg.set("query", "Hello")
         assert FIPASerializer().encode(msg), "Query type is Supported!"
     with pytest.raises(ValueError):
         cfp_msg = FIPAMessage(message_id=0,
                               dialogue_id=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("id")
         fipa_msg.dialogue_id = cfp_msg.get("dialogue_id")
         fipa_msg.target = cfp_msg.get("target")
         performative = fipa_pb2.FIPAMessage.CFP()
         fipa_msg.cfp.CopyFrom(performative)
         fipa_bytes = fipa_msg.SerializeToString()
         assert FIPASerializer().decode(fipa_bytes),\
             "The encoded message is a valid FIPA message."
     with pytest.raises(ValueError):
         cfp_msg = FIPAMessage(message_id=0,
                               dialogue_id=0,
                               target=0,
                               performative=FIPAMessage.Performative.CFP,
                               query=b"hello")
         with mock.patch("aea.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("id")
             fipa_msg.dialogue_id = cfp_msg.get("dialogue_id")
             fipa_msg.target = cfp_msg.get("target")
             performative = fipa_pb2.FIPAMessage.CFP()
             fipa_msg.cfp.CopyFrom(performative)
             fipa_bytes = fipa_msg.SerializeToString()
             assert FIPASerializer().decode(fipa_bytes),\
                 "The encoded message is a FIPA message"
Esempio n. 3
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    def decode(self, obj: bytes) -> Message:
        """Decode bytes into a FIPA message."""
        fipa_pb = fipa_pb2.FIPAMessage()
        fipa_pb.ParseFromString(obj)
        message_id = fipa_pb.message_id
        dialogue_reference = (fipa_pb.dialogue_starter_reference, fipa_pb.dialogue_responder_reference)
        target = fipa_pb.target

        performative = fipa_pb.WhichOneof("performative")
        performative_id = FIPAMessage.Performative(str(performative))
        performative_content = dict()
        if performative_id == FIPAMessage.Performative.CFP:
            query_type = fipa_pb.cfp.WhichOneof("query")
            if query_type == "nothing":
                query = None
            elif query_type == "query_bytes":
                query = pickle.loads(fipa_pb.cfp.query_bytes)
            elif query_type == "bytes":
                query = fipa_pb.cfp.bytes
            else:
                raise ValueError("Query type not recognized.")  # pragma: no cover
            performative_content["query"] = query
        elif performative_id == FIPAMessage.Performative.PROPOSE:
            descriptions = []
            for p_bytes in fipa_pb.propose.proposal:
                p = pickle.loads(p_bytes)  # type: Description
                descriptions.append(p)
            performative_content["proposal"] = descriptions
        elif performative_id == FIPAMessage.Performative.ACCEPT:
            pass
        elif performative_id == FIPAMessage.Performative.MATCH_ACCEPT:
            pass
        elif performative_id == FIPAMessage.Performative.ACCEPT_W_ADDRESS:
            address = fipa_pb.accept_w_address.address
            performative_content['address'] = address
        elif performative_id == FIPAMessage.Performative.MATCH_ACCEPT_W_ADDRESS:
            address = fipa_pb.match_accept_w_address.address
            performative_content['address'] = address
        elif performative_id == FIPAMessage.Performative.DECLINE:
            pass
        elif performative_id == FIPAMessage.Performative.INFORM:
            data = json.loads(fipa_pb.inform.bytes)
            performative_content["json_data"] = data
        else:
            raise ValueError("Performative not valid: {}.".format(performative))

        return FIPAMessage(message_id=message_id, dialogue_reference=dialogue_reference, target=target,
                           performative=performative, **performative_content)
Esempio n. 4
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    def encode(self, msg: Message) -> bytes:
        """Encode a FIPA message into bytes."""
        fipa_msg = fipa_pb2.FIPAMessage()
        fipa_msg.message_id = msg.get("id")
        fipa_msg.dialogue_id = msg.get("dialogue_id")
        fipa_msg.target = msg.get("target")

        performative_id = FIPAMessage.Performative(msg.get("performative"))
        if performative_id == FIPAMessage.Performative.CFP:
            performative = fipa_pb2.FIPAMessage.CFP()  # type: ignore
            query = msg.get("query")
            if query is None or query == b"":
                nothing = fipa_pb2.FIPAMessage.CFP.Nothing()  # type: ignore
                performative.nothing.CopyFrom(nothing)
            elif type(query) == Query:
                query = pickle.dumps(query)
                performative.query_bytes = query
            elif type(query) == bytes:
                performative.bytes = query
            else:
                raise ValueError("Query type not supported: {}".format(
                    type(query)))
            fipa_msg.cfp.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.PROPOSE:
            performative = fipa_pb2.FIPAMessage.Propose()  # type: ignore
            proposal = cast(Description, msg.get("proposal"))
            p_array_bytes = [pickle.dumps(p) for p in proposal]
            performative.proposal.extend(p_array_bytes)
            fipa_msg.propose.CopyFrom(performative)

        elif performative_id == FIPAMessage.Performative.ACCEPT:
            performative = fipa_pb2.FIPAMessage.Accept()  # type: ignore
            fipa_msg.accept.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.MATCH_ACCEPT:
            performative = fipa_pb2.FIPAMessage.MatchAccept()  # type: ignore
            fipa_msg.match_accept.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.DECLINE:
            performative = fipa_pb2.FIPAMessage.Decline()  # type: ignore
            fipa_msg.decline.CopyFrom(performative)
        else:
            raise ValueError(
                "Performative not valid: {}".format(performative_id))

        fipa_bytes = fipa_msg.SerializeToString()
        return fipa_bytes
Esempio n. 5
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    def decode(self, obj: bytes) -> Message:
        """Decode bytes into a FIPA message."""
        fipa_pb = fipa_pb2.FIPAMessage()
        fipa_pb.ParseFromString(obj)
        message_id = fipa_pb.message_id
        dialogue_id = fipa_pb.dialogue_id
        target = fipa_pb.target

        performative = fipa_pb.WhichOneof("performative")
        performative_id = FIPAMessage.Performative(str(performative))
        performative_content = dict()
        if performative_id == FIPAMessage.Performative.CFP:
            query_type = fipa_pb.cfp.WhichOneof("query")
            if query_type == "nothing":
                query = None
            elif query_type == "query_bytes":
                query = pickle.loads(fipa_pb.cfp.query_bytes)
            elif query_type == "bytes":
                query = fipa_pb.cfp.bytes
            else:
                raise ValueError("Query type not recognized.")

            performative_content["query"] = query
        elif performative_id == FIPAMessage.Performative.PROPOSE:
            descriptions = []
            for p_bytes in fipa_pb.propose.proposal:
                p = pickle.loads(p_bytes)  # type: Description
                descriptions.append(p)
            performative_content["proposal"] = descriptions
        elif performative_id == FIPAMessage.Performative.ACCEPT:
            pass
        elif performative_id == FIPAMessage.Performative.MATCH_ACCEPT:
            pass
        elif performative_id == FIPAMessage.Performative.DECLINE:
            pass
        else:
            raise ValueError(
                "Performative not valid: {}.".format(performative))

        return FIPAMessage(message_id=message_id,
                           dialogue_id=dialogue_id,
                           target=target,
                           performative=performative,
                           **performative_content)
Esempio n. 6
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    def encode(self, msg: Message) -> bytes:
        """Encode a FIPA message into bytes."""
        fipa_msg = fipa_pb2.FIPAMessage()
        fipa_msg.message_id = msg.get("message_id")
        dialogue_reference = cast(Tuple[str, str], msg.get("dialogue_reference"))
        fipa_msg.dialogue_starter_reference = dialogue_reference[0]
        fipa_msg.dialogue_responder_reference = dialogue_reference[1]
        fipa_msg.target = msg.get("target")

        performative_id = FIPAMessage.Performative(msg.get("performative"))
        if performative_id == FIPAMessage.Performative.CFP:
            performative = fipa_pb2.FIPAMessage.CFP()  # type: ignore
            query = msg.get("query")
            if query is None or query == b"":
                nothing = fipa_pb2.FIPAMessage.CFP.Nothing()  # type: ignore
                performative.nothing.CopyFrom(nothing)
            elif type(query) == Query:
                query = pickle.dumps(query)
                performative.query_bytes = query
            elif type(query) == bytes:
                performative.bytes = query
            else:
                raise ValueError("Query type not supported: {}".format(type(query)))
            fipa_msg.cfp.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.PROPOSE:
            performative = fipa_pb2.FIPAMessage.Propose()  # type: ignore
            proposal = cast(Description, msg.get("proposal"))
            p_array_bytes = [pickle.dumps(p) for p in proposal]
            performative.proposal.extend(p_array_bytes)
            fipa_msg.propose.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.ACCEPT:
            performative = fipa_pb2.FIPAMessage.Accept()  # type: ignore
            fipa_msg.accept.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.MATCH_ACCEPT:
            performative = fipa_pb2.FIPAMessage.MatchAccept()  # type: ignore
            fipa_msg.match_accept.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.ACCEPT_W_ADDRESS:
            performative = fipa_pb2.FIPAMessage.AcceptWAddress()  # type: ignore
            address = msg.get("address")
            if type(address) == str:
                performative.address = address
            fipa_msg.accept_w_address.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.MATCH_ACCEPT_W_ADDRESS:
            performative = fipa_pb2.FIPAMessage.MatchAcceptWAddress()  # type: ignore
            address = msg.get("address")
            if type(address) == str:
                performative.address = address
            fipa_msg.match_accept_w_address.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.DECLINE:
            performative = fipa_pb2.FIPAMessage.Decline()  # type: ignore
            fipa_msg.decline.CopyFrom(performative)
        elif performative_id == FIPAMessage.Performative.INFORM:
            performative = fipa_pb2.FIPAMessage.Inform()  # type: ignore
            data = msg.get("json_data")
            data_bytes = json.dumps(data).encode("utf-8")
            performative.bytes = data_bytes
            fipa_msg.inform.CopyFrom(performative)
        else:
            raise ValueError("Performative not valid: {}".format(performative_id))

        fipa_bytes = fipa_msg.SerializeToString()
        return fipa_bytes