Coverage for src/bluetooth_sig/gatt/descriptors/cooking_trigger_setting.py: 93%

1"""Cooking Trigger Setting Descriptor implementation.""" 

2 

3from __future__ import annotations 

4 

5import msgspec 

6 

7from bluetooth_sig.types.uuid import BluetoothUUID 

8 

9from ..characteristics.cooking_sensor_common import CookingSensorValue, parse_cooking_sensor_value 

10from ..characteristics.utils import DataParser 

11from ..constants import SIZE_UINT16 

12from .base import BaseDescriptor 

13 

14_INTERVAL_SIZE = SIZE_UINT16 

15 

16 

17class CookingTriggerSettingData(msgspec.Struct, frozen=True, kw_only=True): 

18 """Cooking Trigger Setting descriptor data.""" 

19 

20 interval_100ms: int 

21 delta: CookingSensorValue 

22 

23 

24class CookingTriggerSettingDescriptor(BaseDescriptor): 

25 """Cooking Trigger Setting Descriptor (0x2917).""" 

26 

27 _writable = True 

28 

29 def __init__(self, sensor_uuid: BluetoothUUID | None = None) -> None: 

30 """Initialize descriptor with the associated Cooking Sensor Info UUID.""" 

31 self.sensor_uuid = sensor_uuid 

32 super().__init__() 

33 

34 def _has_structured_data(self) -> bool: 

35 return True 

36 

37 def _get_data_format(self) -> str: 

38 return "struct" 

39 

40 def _parse_descriptor_value(self, data: bytes) -> CookingTriggerSettingData: 

41 minimum_length = _INTERVAL_SIZE 

42 if len(data) < minimum_length: 

43 raise ValueError( 

44 f"Cooking Trigger Settings descriptor needs at least {minimum_length} bytes, got {len(data)}" 

45 ) 

46 interval_100ms = DataParser.parse_int16(data, 0, signed=False, endian="little") 

47 if self.sensor_uuid is None: 

48 raise ValueError("Cooking Sensor Info UUID is required to decode Trigger Setting Delta") 

49 return CookingTriggerSettingData( 

50 interval_100ms=interval_100ms, 

51 delta=parse_cooking_sensor_value(self.sensor_uuid, data[_INTERVAL_SIZE:]), 

52 )