How to use the zigpy.types.Optional function in zigpy

async def test_request_optional(cluster):
    schema = [t.uint8_t, t.uint16_t, t.Optional(t.uint16_t), t.Optional(t.uint8_t)]

    res = cluster.request(True, 0, schema)
    assert isinstance(res.exception(), ValueError)
    assert cluster._endpoint.request.call_count == 0
    cluster._endpoint.request.reset_mock()

    res = cluster.request(True, 0, schema, 1)
    assert isinstance(res.exception(), ValueError)
    assert cluster._endpoint.request.call_count == 0
    cluster._endpoint.request.reset_mock()

    cluster.request(True, 0, schema, 1, 2)
    assert cluster._endpoint.request.call_count == 1
    cluster._endpoint.request.reset_mock()

    cluster.request(True, 0, schema, 1, 2, 3)

def test_optional_struct_special_case():
    class TestStruct(t.Struct):
        foo: t.uint8_t

    OptionalTestStruct = t.Optional(TestStruct)

    assert OptionalTestStruct.deserialize(b"") == (None, b"")
    assert OptionalTestStruct.deserialize(b"\x00") == (
        OptionalTestStruct(foo=0x00),
        b"",
    )

t.Optional(t.int16s),
                t.Optional(t.uint16_t),
                t.Optional(t.uint16_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint16_t),
            ),
            True,
        ),
        0x0001: (
            "location_data_response",
            (
                foundation.Status,
                t.Optional(t.uint8_t),
                t.Optional(t.int16s),
                t.Optional(t.int16s),
                t.Optional(t.int16s),
                t.Optional(t.uint16_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint16_t),
            ),
            True,
        ),
        0x0002: ("location_data_notification", (), False),
        0x0003: ("compact_location_data_notification", (), False),
        0x0004: ("rssi_ping", (t.uint8_t,), False),  # data8
        0x0005: ("rssi_req", (), False),
        0x0006: ("report_rssi_measurements", (t.EUI64, t.LVList(NeighborInfo)), False),
        0x0007: ("request_own_location", (t.EUI64,), False),
    }

(
                t.uint32_t,
                t.uint8_t,
                t.bitmap8,
                t.bitmap8,
                t.bitmap16,
                t.uint32_t,
                t.EUI64,
                t.uint8_t,
                t.uint8_t,
                t.NWK,
                t.NWK,
                t.uint8_t,
                t.uint8_t,
                t.Optional(t.uint8_t),
                t.Optional(t.uint16_t),
                t.Optional(t.uint16_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint8_t),
            ),
            True,
        ),
        0x0003: (
            "device_information_rsp",
            (t.uint32_t, t.uint8_t, t.uint8_t, t.LVList(DeviceInfoRecord)),
            True,
        ),
        0x0011: (
            "network_start_rsp",
            (t.uint32_t, foundation.Status, t.EUI64, t.uint8_t, t.uint8_t, t.uint16_t),
            True,
        ),

ZDOCmd.Extended_Active_EP_rsp: (
        STATUS,
        NWKI,
        ("ActiveEPCount", t.uint8_t),
        ("StartIndex", t.uint8_t),
        ("ActiveEPList", t.List(t.uint8_t)),
    ),
    ZDOCmd.Parent_annce_rsp: (STATUS, ("Children", t.LVList(t.EUI64))),
    #  Bind Management Server Services Responses
    ZDOCmd.End_Device_Bind_rsp: (STATUS,),
    ZDOCmd.Bind_rsp: (STATUS,),
    ZDOCmd.Unbind_rsp: (STATUS,),
    # ... TODO optional stuff ...
    # Network Management Server Services Responses
    ZDOCmd.Mgmt_Lqi_rsp: (STATUS, ("Neighbors", t.Optional(Neighbors))),
    ZDOCmd.Mgmt_Rtg_rsp: (STATUS, ("Routes", t.Optional(Routes))),
    # ... TODO optional stuff ...
    ZDOCmd.Mgmt_Leave_rsp: (STATUS,),
    ZDOCmd.Mgmt_Permit_Joining_rsp: (STATUS,),
    ZDOCmd.Mgmt_NWK_Update_rsp: (
        STATUS,
        ("ScannedChannels", t.Channels),
        ("TotalTransmissions", t.uint16_t),
        ("TransmissionFailures", t.uint16_t),
        ("EnergyValues", t.LVList(t.uint8_t)),
    )
    # ... TODO optional stuff ...
}


# Rewrite to (name, param_names, param_types)
for command_id, schema in CLUSTERS.items():

t.Optional(t.uint16_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint16_t),
            ),
            True,
        ),
        0x0001: (
            "location_data_response",
            (
                foundation.Status,
                t.Optional(t.uint8_t),
                t.Optional(t.int16s),
                t.Optional(t.int16s),
                t.Optional(t.int16s),
                t.Optional(t.uint16_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint8_t),
                t.Optional(t.uint16_t),
            ),
            True,
        ),
        0x0002: ("location_data_notification", (), False),
        0x0003: ("compact_location_data_notification", (), False),
        0x0004: ("rssi_ping", (t.uint8_t,), False),  # data8
        0x0005: ("rssi_req", (), False),
        0x0006: ("report_rssi_measurements", (t.EUI64, t.LVList(NeighborInfo)), False),
        0x0007: ("request_own_location", (t.EUI64,), False),
    }


class AnalogInput(Cluster):
    cluster_id = 0x000C

NWKI,
        ("SimpleDescriptor", t.Optional(SizePrefixedSimpleDescriptor)),
    ),
    ZDOCmd.Active_EP_rsp: (STATUS, NWKI, ("ActiveEPList", t.LVList(t.uint8_t))),
    ZDOCmd.Match_Desc_rsp: (STATUS, NWKI, ("MatchList", t.LVList(t.uint8_t))),
    # ZDO.Complex_Desc_rsp: (
    #     STATUS,
    #     NWKI,
    #     ('Length', t.uint8_t),
    #     ('ComplexDescriptor', t.Optional(ComplexDescriptor)),
    # ),
    ZDOCmd.User_Desc_rsp: (
        STATUS,
        NWKI,
        ("Length", t.uint8_t),
        ("UserDescriptor", t.Optional(t.fixed_list(16, t.uint8_t))),
    ),
    ZDOCmd.Discovery_Cache_rsp: (STATUS,),
    ZDOCmd.User_Desc_conf: (STATUS, NWKI),
    ZDOCmd.System_Server_Discovery_rsp: (STATUS, ("ServerMask", t.uint16_t)),
    ZDOCmd.Discovery_Store_rsp: (STATUS,),
    ZDOCmd.Node_Desc_store_rsp: (STATUS,),
    ZDOCmd.Power_Desc_store_rsp: (STATUS, IEEE, ("PowerDescriptor", PowerDescriptor)),
    ZDOCmd.Active_EP_store_rsp: (STATUS,),
    ZDOCmd.Simple_Desc_store_rsp: (STATUS,),
    ZDOCmd.Remove_node_cache_rsp: (STATUS,),
    ZDOCmd.Find_node_cache_rsp: (("CacheNWKAddr", t.EUI64), NWK, IEEE),
    ZDOCmd.Extended_Simple_Desc_rsp: (
        STATUS,
        NWK,
        ("Endpoint", t.uint8_t),
        ("AppInputClusterCount", t.uint8_t),

# Responses
    # Device and Service Discovery Server Responses
    ZDOCmd.NWK_addr_rsp: (
        STATUS,
        IEEE,
        NWK,
        ("NumAssocDev", t.Optional(t.uint8_t)),
        ("StartIndex", t.Optional(t.uint8_t)),
        ("NWKAddressAssocDevList", t.Optional(t.List(t.NWK))),
    ),
    ZDOCmd.IEEE_addr_rsp: (
        STATUS,
        IEEE,
        NWK,
        ("NumAssocDev", t.Optional(t.uint8_t)),
        ("StartIndex", t.Optional(t.uint8_t)),
        ("NWKAddrAssocDevList", t.Optional(t.List(t.NWK))),
    ),
    ZDOCmd.Node_Desc_rsp: (
        STATUS,
        NWKI,
        ("NodeDescriptor", t.Optional(NodeDescriptor)),
    ),
    ZDOCmd.Power_Desc_rsp: (
        STATUS,
        NWKI,
        ("PowerDescriptor", t.Optional(PowerDescriptor)),
    ),
    ZDOCmd.Simple_Desc_rsp: (
        STATUS,
        NWKI,
        ("SimpleDescriptor", t.Optional(SizePrefixedSimpleDescriptor)),