Add discovery rule for a Z-Wave Basic CC sensor (#105134)

homeassistant/components/zwave_js/discovery.py

@@ -1106,7 +1106,7 @@ DISCOVERY_SCHEMAS = [
         platform=Platform.LIGHT,
         primary_value=SWITCH_MULTILEVEL_CURRENT_VALUE_SCHEMA,
     ),
-    # light for Basic CC
+    # light for Basic CC with target
     ZWaveDiscoverySchema(
         platform=Platform.LIGHT,
         primary_value=ZWaveValueDiscoverySchema(
@@ -1116,9 +1116,24 @@ DISCOVERY_SCHEMAS = [
         ),
         required_values=[
             ZWaveValueDiscoverySchema(
-                command_class={
-                    CommandClass.BASIC,
-                },
+                command_class={CommandClass.BASIC},
+                type={ValueType.NUMBER},
+                property={TARGET_VALUE_PROPERTY},
+            )
+        ],
+    ),
+    # sensor for Basic CC without target
+    ZWaveDiscoverySchema(
+        platform=Platform.SENSOR,
+        hint="numeric_sensor",
+        primary_value=ZWaveValueDiscoverySchema(
+            command_class={CommandClass.BASIC},
+            type={ValueType.NUMBER},
+            property={CURRENT_VALUE_PROPERTY},
+        ),
+        absent_values=[
+            ZWaveValueDiscoverySchema(
+                command_class={CommandClass.BASIC},
                 type={ValueType.NUMBER},
                 property={TARGET_VALUE_PROPERTY},
             )

homeassistant/components/zwave_js/sensor.py

@@ -689,6 +689,23 @@ class ZwaveSensor(ZWaveBaseEntity, SensorEntity):
 class ZWaveNumericSensor(ZwaveSensor):
     """Representation of a Z-Wave Numeric sensor."""
 
+    def __init__(
+        self,
+        config_entry: ConfigEntry,
+        driver: Driver,
+        info: ZwaveDiscoveryInfo,
+        entity_description: SensorEntityDescription,
+        unit_of_measurement: str | None = None,
+    ) -> None:
+        """Initialize a ZWaveBasicSensor entity."""
+        super().__init__(
+            config_entry, driver, info, entity_description, unit_of_measurement
+        )
+        if self.info.primary_value.command_class == CommandClass.BASIC:
+            self._attr_name = self.generate_name(
+                include_value_name=True, alternate_value_name="Basic"
+            )
+
     @callback
     def on_value_update(self) -> None:
         """Handle scale changes for this value on value updated event."""

tests/components/zwave_js/conftest.py

@@ -687,6 +687,12 @@ def light_device_class_is_null_state_fixture():
     return json.loads(load_fixture("zwave_js/light_device_class_is_null_state.json"))
 
 
+@pytest.fixture(name="basic_cc_sensor_state", scope="package")
+def basic_cc_sensor_state_fixture():
+    """Load node with Basic CC sensor fixture data."""
+    return json.loads(load_fixture("zwave_js/basic_cc_sensor_state.json"))
+
+
 # model fixtures
 
 
@@ -1355,3 +1361,11 @@ def light_device_class_is_null_fixture(client, light_device_class_is_null_state)
     node = Node(client, copy.deepcopy(light_device_class_is_null_state))
     client.driver.controller.nodes[node.node_id] = node
     return node
+
+
+@pytest.fixture(name="basic_cc_sensor")
+def basic_cc_sensor_fixture(client, basic_cc_sensor_state):
+    """Mock a node with a Basic CC."""
+    node = Node(client, copy.deepcopy(basic_cc_sensor_state))
+    client.driver.controller.nodes[node.node_id] = node
+    return node

tests/components/zwave_js/fixtures/basic_cc_sensor_state.json

@@ -0,0 +1,87 @@
+{
+  "nodeId": 52,
+  "index": 0,
+  "installerIcon": 3079,
+  "userIcon": 3079,
+  "status": 1,
+  "ready": true,
+  "deviceClass": {
+    "basic": { "key": 2, "label": "Static Controller" },
+    "generic": { "key": 21, "label": "Multilevel Sensor" },
+    "specific": { "key": 1, "label": "Routing Multilevel Sensor" },
+    "mandatorySupportedCCs": [],
+    "mandatoryControlledCCs": []
+  },
+  "isListening": true,
+  "isFrequentListening": false,
+  "isRouting": true,
+  "maxBaudRate": 40000,
+  "isSecure": false,
+  "version": 4,
+  "isBeaming": true,
+  "manufacturerId": 134,
+  "productId": 100,
+  "productType": 258,
+  "firmwareVersion": "1.12",
+  "zwavePlusVersion": 1,
+  "nodeType": 0,
+  "roleType": 5,
+  "deviceConfig": {
+    "manufacturerId": 134,
+    "manufacturer": "Test",
+    "label": "test",
+    "description": "foo",
+    "devices": [
+      {
+        "productType": "0xffff",
+        "productId": "0xffff"
+      }
+    ],
+    "firmwareVersion": {
+      "min": "1.10",
+      "max": "255.255"
+    },
+    "paramInformation": {
+      "_map": {}
+    }
+  },
+  "label": "test",
+  "neighbors": [1, 32],
+  "interviewAttempts": 1,
+  "endpoints": [
+    {
+      "nodeId": 52,
+      "index": 0,
+      "installerIcon": 3079,
+      "userIcon": 3079,
+      "commandClasses": [
+        {
+          "id": 32,
+          "name": "Basic",
+          "version": 8,
+          "isSecure": false
+        }
+      ]
+    }
+  ],
+  "values": [
+    {
+      "commandClassName": "Basic",
+      "commandClass": 32,
+      "endpoint": 0,
+      "property": "currentValue",
+      "propertyName": "currentValue",
+      "metadata": {
+        "type": "number",
+        "readable": true,
+        "writeable": false,
+        "min": 0,
+        "max": 99,
+        "label": "Current value"
+      },
+      "value": 255
+    }
+  ],
+  "highestSecurityClass": 7,
+  "isControllerNode": false
+}

tests/components/zwave_js/test_sensor.py

@@ -212,6 +212,15 @@ async def test_energy_sensors(
     assert state.attributes[ATTR_DEVICE_CLASS] == SensorDeviceClass.CURRENT
 
 
+async def test_basic_cc_sensor(
+    hass: HomeAssistant, client, basic_cc_sensor, integration
+) -> None:
+    """Test a Basic CC sensor gets discovered correctly."""
+    state = hass.states.get("sensor.foo_basic")
+    assert state is not None
+    assert state.state == "255.0"
+
+
 async def test_disabled_notification_sensor(
     hass: HomeAssistant, entity_registry: er.EntityRegistry, multisensor_6, integration
 ) -> None: