Expose UV Index in Met.no (#124992)

UV Index now also appears in forecasts.

homeassistant/components/met/const.py

@@ -21,12 +21,14 @@ from homeassistant.components.weather import (
     ATTR_FORECAST_NATIVE_WIND_SPEED,
     ATTR_FORECAST_PRECIPITATION_PROBABILITY,
     ATTR_FORECAST_TIME,
+    ATTR_FORECAST_UV_INDEX,
     ATTR_FORECAST_WIND_BEARING,
     ATTR_WEATHER_CLOUD_COVERAGE,
     ATTR_WEATHER_DEW_POINT,
     ATTR_WEATHER_HUMIDITY,
     ATTR_WEATHER_PRESSURE,
     ATTR_WEATHER_TEMPERATURE,
+    ATTR_WEATHER_UV_INDEX,
     ATTR_WEATHER_VISIBILITY,
     ATTR_WEATHER_WIND_BEARING,
     ATTR_WEATHER_WIND_GUST_SPEED,
@@ -190,6 +192,7 @@ FORECAST_MAP = {
     ATTR_FORECAST_NATIVE_WIND_GUST_SPEED: "wind_gust",
     ATTR_FORECAST_CLOUD_COVERAGE: "cloudiness",
     ATTR_FORECAST_HUMIDITY: "humidity",
+    ATTR_FORECAST_UV_INDEX: "uv_index",
 }
 
 ATTR_MAP = {
@@ -202,4 +205,5 @@ ATTR_MAP = {
     ATTR_WEATHER_WIND_GUST_SPEED: "wind_gust",
     ATTR_WEATHER_CLOUD_COVERAGE: "cloudiness",
     ATTR_WEATHER_DEW_POINT: "dew_point",
+    ATTR_WEATHER_UV_INDEX: "uv_index",
 }

homeassistant/components/met/weather.py

@@ -13,6 +13,7 @@ from homeassistant.components.weather import (
     ATTR_WEATHER_HUMIDITY,
     ATTR_WEATHER_PRESSURE,
     ATTR_WEATHER_TEMPERATURE,
+    ATTR_WEATHER_UV_INDEX,
     ATTR_WEATHER_WIND_BEARING,
     ATTR_WEATHER_WIND_GUST_SPEED,
     ATTR_WEATHER_WIND_SPEED,
@@ -208,6 +209,13 @@ class MetWeather(SingleCoordinatorWeatherEntity[MetDataUpdateCoordinator]):
             ATTR_MAP[ATTR_WEATHER_DEW_POINT]
         )
 
+    @property
+    def uv_index(self) -> float | None:
+        """Return the uv index."""
+        return self.coordinator.data.current_weather_data.get(
+            ATTR_MAP[ATTR_WEATHER_UV_INDEX]
+        )
+
     def _forecast(self, hourly: bool) -> list[Forecast] | None:
         """Return the forecast array."""
         if hourly:

tests/components/met/conftest.py

@@ -17,8 +17,9 @@ def mock_weather():
             "pressure": 100,
             "humidity": 50,
             "wind_speed": 10,
-            "wind_bearing": "NE",
+            "wind_bearing": 90,
             "dew_point": 12.1,
+            "uv_index": 1.1,
         }
         mock_data.get_forecast.return_value = {}
         yield mock_data

tests/components/met/test_weather.py

@@ -2,10 +2,22 @@
 
 from homeassistant import config_entries
 from homeassistant.components.met import DOMAIN
-from homeassistant.components.weather import DOMAIN as WEATHER_DOMAIN
+from homeassistant.components.weather import (
+    ATTR_CONDITION_CLOUDY,
+    ATTR_WEATHER_DEW_POINT,
+    ATTR_WEATHER_HUMIDITY,
+    ATTR_WEATHER_PRESSURE,
+    ATTR_WEATHER_TEMPERATURE,
+    ATTR_WEATHER_UV_INDEX,
+    ATTR_WEATHER_WIND_BEARING,
+    ATTR_WEATHER_WIND_SPEED,
+    DOMAIN as WEATHER_DOMAIN,
+)
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 
+from . import init_integration
+
 
 async def test_new_config_entry(
     hass: HomeAssistant, entity_registry: er.EntityRegistry, mock_weather
@@ -36,6 +48,25 @@ async def test_legacy_config_entry(
     assert len(er.async_entries_for_config_entry(entity_registry, entry.entry_id)) == 1
 
 
+async def test_weather(hass: HomeAssistant, mock_weather) -> None:
+    """Test states of the weather."""
+
+    await init_integration(hass)
+    assert len(hass.states.async_entity_ids("weather")) == 1
+    entity_id = hass.states.async_entity_ids("weather")[0]
+
+    state = hass.states.get(entity_id)
+    assert state
+    assert state.state == ATTR_CONDITION_CLOUDY
+    assert state.attributes[ATTR_WEATHER_TEMPERATURE] == 15
+    assert state.attributes[ATTR_WEATHER_PRESSURE] == 100
+    assert state.attributes[ATTR_WEATHER_HUMIDITY] == 50
+    assert state.attributes[ATTR_WEATHER_WIND_SPEED] == 10
+    assert state.attributes[ATTR_WEATHER_WIND_BEARING] == 90
+    assert state.attributes[ATTR_WEATHER_DEW_POINT] == 12.1
+    assert state.attributes[ATTR_WEATHER_UV_INDEX] == 1.1
+
+
 async def test_tracking_home(hass: HomeAssistant, mock_weather) -> None:
     """Test we track home."""
     await hass.config_entries.flow.async_init("met", context={"source": "onboarding"})