Fix feetech ping tests

tests/mocks/mock_feetech.py

@@ -89,8 +89,31 @@ class MockInstructionPacket(MockFeetechPacket):
 
         No parameters required.
         """
-        params, length = [], 2
-        return cls.build(scs_id=scs_id, params=params, length=length, instruct_type="Ping")
+        return cls.build(scs_id=scs_id, params=[], length=2, instruct_type="Ping")
+
+    @classmethod
+    def read(
+        cls,
+        scs_id: int,
+        start_address: int,
+        data_length: int,
+    ) -> bytes:
+        """
+        Builds a "Read" instruction.
+
+        The parameters for Read are:
+            param[0]   = start_address
+            param[1]   = data_length
+
+        And 'length' = 4, where:
+            +1 is for instruction byte,
+            +1 is for the address byte,
+            +1 is for the length bytes,
+            +1 is for the checksum at the end.
+        """
+        params = [start_address, data_length]
+        length = 4
+        return cls.build(scs_id=scs_id, params=params, length=length, instruct_type="Read")
 
     @classmethod
     def sync_read(
@@ -211,23 +234,17 @@ class MockStatusPacket(MockFeetechPacket):
         ]  # fmt: skip
 
     @classmethod
-    def ping(cls, scs_id: int, model_nb: int = 1190, firm_ver: int = 50) -> bytes:
+    def ping(cls, scs_id: int, error: str = "Success") -> bytes:
         """Builds a 'Ping' status packet.
 
         Args:
             scs_id (int): ID of the servo responding.
-            model_nb (int, optional): Desired 'model number' to be returned in the packet. Defaults to 1190
-                which corresponds to a XL330-M077-T.
-            firm_ver (int, optional): Desired 'firmware version' to be returned in the packet.
-                Defaults to 50.
+            error (str, optional): Error to be returned. Defaults to "Success".
 
         Returns:
             bytes: The raw 'Ping' status packet ready to be sent through serial.
         """
-        # raise NotImplementedError
-        params = [scs.SCS_LOBYTE(model_nb), scs.SCS_HIBYTE(model_nb), firm_ver]
-        length = 2
-        return cls.build(scs_id, params=params, length=length)
+        return cls.build(scs_id, params=[], length=2, error=error)
 
     @classmethod
     def present_position(cls, scs_id: int, pos: int | None = None, min_max_range: tuple = (0, 4095)) -> bytes:
@@ -248,6 +265,24 @@ class MockStatusPacket(MockFeetechPacket):
         length = 4
         return cls.build(scs_id, params=params, length=length)
 
+    @classmethod
+    def model_number(cls, scs_id: int, model_nb: int | None = None) -> bytes:
+        """Builds a 'Present_Position' status packet.
+
+        Args:
+            scs_id (int): List of the servos ids.
+            pos (int | None, optional): Desired 'Present_Position' to be returned in the packet. If None, it
+                will use a random value in the min_max_range. Defaults to None.
+            min_max_range (tuple, optional): Min/max range to generate the position values used for when 'pos'
+                is None. Note that the bounds are included in the range. Defaults to (0, 4095).
+
+        Returns:
+            bytes: The raw 'Present_Position' status packet ready to be sent through serial.
+        """
+        params = [scs.SCS_LOBYTE(model_nb), scs.SCS_HIBYTE(model_nb)]
+        length = 4
+        return cls.build(scs_id, params=params, length=length)
+
 
 class MockPortHandler(scs.PortHandler):
     """
@@ -294,14 +329,11 @@ class MockMotors(MockSerial):
         self._MockSerial__stubs[name or new_stub.receive_bytes] = new_stub
         return new_stub
 
-    def build_broadcast_ping_stub(
-        self, ids_models: dict[int, list[int]] | None = None, num_invalid_try: int = 0
-    ) -> str:
+    def build_broadcast_ping_stub(self, ids: list[int] | None = None, num_invalid_try: int = 0) -> str:
         ping_request = MockInstructionPacket.ping(scs.BROADCAST_ID)
-        return_packets = b"".join(MockStatusPacket.ping(idx, model) for idx, model in ids_models.items())
+        return_packets = b"".join(MockStatusPacket.ping(idx) for idx in ids)
         ping_response = self._build_send_fn(return_packets, num_invalid_try)
-
-        stub_name = "Ping_" + "_".join([str(idx) for idx in ids_models])
+        stub_name = "Ping_" + "_".join([str(idx) for idx in ids])
         self.stub(
             name=stub_name,
             receive_bytes=ping_request,
@@ -309,11 +341,9 @@ class MockMotors(MockSerial):
         )
         return stub_name
 
-    def build_ping_stub(
-        self, scs_id: int, model_nb: int, firm_ver: int = 50, num_invalid_try: int = 0
-    ) -> str:
+    def build_ping_stub(self, scs_id: int, num_invalid_try: int = 0) -> str:
         ping_request = MockInstructionPacket.ping(scs_id)
-        return_packet = MockStatusPacket.ping(scs_id, model_nb, firm_ver)
+        return_packet = MockStatusPacket.ping(scs_id)
         ping_response = self._build_send_fn(return_packet, num_invalid_try)
         stub_name = f"Ping_{scs_id}"
         self.stub(
@@ -323,21 +353,48 @@ class MockMotors(MockSerial):
         )
         return stub_name
 
+    def build_read_stub(
+        self, data_name: str, scs_id: int, value: int | None = None, num_invalid_try: int = 0
+    ) -> str:
+        """
+        'data_name' supported:
+            - Model_Number
+        """
+        if data_name != "Model_Number":
+            raise NotImplementedError
+        address, length = self.ctrl_table[data_name]
+        read_request = MockInstructionPacket.read(scs_id, address, length)
+        return_packet = MockStatusPacket.model_number(scs_id, value)
+        read_response = self._build_send_fn(return_packet, num_invalid_try)
+        stub_name = f"Read_{data_name}_{scs_id}"
+        self.stub(
+            name=stub_name,
+            receive_bytes=read_request,
+            send_fn=read_response,
+        )
+        return stub_name
+
     def build_sync_read_stub(
         self, data_name: str, ids_values: dict[int, int] | None = None, num_invalid_try: int = 0
     ) -> str:
         """
         'data_name' supported:
             - Present_Position
+            - Model_Number
         """
-        if data_name != "Present_Position":
-            raise NotImplementedError
-
         address, length = self.ctrl_table[data_name]
         sync_read_request = MockInstructionPacket.sync_read(list(ids_values), address, length)
-        return_packets = b"".join(
-            MockStatusPacket.present_position(idx, pos) for idx, pos in ids_values.items()
-        )
+        if data_name == "Present_Position":
+            return_packets = b"".join(
+                MockStatusPacket.present_position(idx, pos) for idx, pos in ids_values.items()
+            )
+        elif data_name == "Model_Number":
+            return_packets = b"".join(
+                MockStatusPacket.model_number(idx, model_nb) for idx, model_nb in ids_values.items()
+            )
+        else:
+            raise NotImplementedError
+
         sync_read_response = self._build_send_fn(return_packets, num_invalid_try)
         stub_name = f"Sync_Read_{data_name}_" + "_".join([str(idx) for idx in ids_values])
         self.stub(