Add initial support for Tuya msp category (cat toilet) (home-assistant#152035)

Author: epenet

homeassistant/components/tuya/const.py

@@ -140,6 +140,7 @@ class DPCode(StrEnum):
     BRIGHTNESS_MIN_2 = "brightness_min_2"
     BRIGHTNESS_MIN_3 = "brightness_min_3"
     C_F = "c_f"  # Temperature unit switching
+    CAT_WEIGHT = "cat_weight"
     CH2O_STATE = "ch2o_state"
     CH2O_VALUE = "ch2o_value"
     CH4_SENSOR_STATE = "ch4_sensor_state"

homeassistant/components/tuya/sensor.py

@@ -796,6 +796,16 @@ class TuyaSensorEntityDescription(SensorEntityDescription):
     # Door Window Sensor
     # https://developer.tuya.com/en/docs/iot/s?id=K9gf48hm02l8m
     "mcs": BATTERY_SENSORS,
+    # Cat toilet
+    # https://developer.tuya.com/en/docs/iot/s?id=Kakg3srr4ora7
+    "msp": (
+        TuyaSensorEntityDescription(
+            key=DPCode.CAT_WEIGHT,
+            translation_key="cat_weight",
+            device_class=SensorDeviceClass.WEIGHT,
+            state_class=SensorStateClass.MEASUREMENT,
+        ),
+    ),
     # Sous Vide Cooker
     # https://developer.tuya.com/en/docs/iot/categorymzj?id=Kaiuz2vy130ux
     "mzj": (

homeassistant/components/tuya/strings.json

@@ -759,6 +759,9 @@
       "water_time": {
         "name": "Water usage duration"
       },
+      "cat_weight": {
+        "name": "Cat weight"
+      },
       "odor_elimination_status": {
         "name": "Status",
         "state": {

tests/components/tuya/snapshots/test_init.ambr

@@ -7119,7 +7119,7 @@
     'labels': set({
     }),
     'manufacturer': 'Tuya',
-    'model': 'ZEDAR K1200 (unsupported)',
+    'model': 'ZEDAR K1200',
     'model_id': '3ddulzljdjjwkhoy',
     'name': 'Kattenbak',
     'name_by_user': None,

tests/components/tuya/snapshots/test_sensor.ambr

@@ -8842,6 +8842,62 @@
     'state': '3.0',
   })
 # ---
+# name: test_platform_setup_and_discovery[sensor.kattenbak_cat_weight-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.kattenbak_cat_weight',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+      'sensor': dict({
+        'suggested_display_precision': 0,
+      }),
+    }),
+    'original_device_class': <SensorDeviceClass.WEIGHT: 'weight'>,
+    'original_icon': None,
+    'original_name': 'Cat weight',
+    'platform': 'tuya',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'cat_weight',
+    'unique_id': 'tuya.yohkwjjdjlzludd3psmcat_weight',
+    'unit_of_measurement': 'g',
+  })
+# ---
+# name: test_platform_setup_and_discovery[sensor.kattenbak_cat_weight-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'weight',
+      'friendly_name': 'Kattenbak Cat weight',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'g',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.kattenbak_cat_weight',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0.0',
+  })
+# ---
 # name: test_platform_setup_and_discovery[sensor.keller_current-entry]
   EntityRegistryEntrySnapshot({
     'aliases': set({