Ensure native_templow <= native_temperature

custom_components/irm_kmi/coordinator.py

@@ -295,6 +295,14 @@ class IrmKmiCoordinator(DataUpdateCoordinator):
                 is_daytime=is_daytime,
                 text=f.get('text', {}).get(self.hass.config.language, ""),
             )
+            # Swap temperature and templow if needed
+            if (forecast['native_templow'] is not None
+                    and forecast['native_temperature'] is not None
+                    and forecast['native_templow'] > forecast['native_temperature']):
+                (forecast['native_templow'], forecast['native_temperature']) = \
+                    (forecast['native_temperature'], forecast['native_templow'])
+
+
             forecasts.append(forecast)
             if is_daytime or idx == 0:
                 n_days += 1

custom_components/irm_kmi/weather.py

@@ -129,8 +129,16 @@ class IrmKmiWeather(CoordinatorEntity, WeatherEntity):
             return None
         if len(data) > 1 and not data[0].get('is_daytime') and data[1].get('native_templow') is None:
             data[1]['native_templow'] = data[0].get('native_templow')
+            if data[1]['native_templow'] > data[1]['native_temperature']:
+                (data[1]['native_templow'], data[1]['native_temperature']) = \
+                    (data[1]['native_temperature'], data[1]['native_templow'])
+
         if len(data) > 0 and not data[0].get('is_daytime'):
             return data
         if len(data) > 1 and data[0].get('native_templow') is None and not data[1].get('is_daytime'):
             data[0]['native_templow'] = data[1].get('native_templow')
+            if data[0]['native_templow'] > data[0]['native_temperature']:
+                (data[0]['native_templow'], data[0]['native_temperature']) = \
+                    (data[0]['native_temperature'], data[0]['native_templow'])
+
         return [f for f in data if f.get('is_daytime')]

tests/conftest.py

@@ -31,7 +31,7 @@ async def patched(url: str, params: dict | None = None) -> bytes:
     elif "getLocalizationLayerNL" in url:
         file_name = "tests/fixtures/loc_layer_nl.png"
     else:
-        raise ValueError("Not a valid parameter for the mock")
+        raise ValueError(f"Not a valid parameter for the mock: {url}")
 
     with open(file_name, "rb") as file:
         return file.read()
@@ -180,6 +180,22 @@ def mock_image_and_nl_forecast_irm_kmi_api(request: pytest.FixtureRequest) -> Ge
         yield irm_kmi
 
 
+@pytest.fixture()
+def mock_image_and_high_temp_irm_kmi_api(request: pytest.FixtureRequest) -> Generator[None, MagicMock, None]:
+    """Return a mocked IrmKmi api client."""
+    fixture: str = "high_low_temp.json"
+
+    forecast = json.loads(load_fixture(fixture))
+
+    with patch(
+            "custom_components.irm_kmi.coordinator.IrmKmiApiClient", autospec=True
+    ) as irm_kmi_api_mock:
+        irm_kmi = irm_kmi_api_mock.return_value
+        irm_kmi.get_image.side_effect = patched
+        irm_kmi.get_forecasts_coord.return_value = forecast
+        yield irm_kmi
+
+
 @pytest.fixture()
 def mock_coordinator(request: pytest.FixtureRequest) -> Generator[None, MagicMock, None]:
     """Return a mocked coordinator."""

tests/test_weather.py

@@ -1,7 +1,9 @@
 from datetime import datetime
+from typing import List
 from unittest.mock import AsyncMock
 
 from freezegun import freeze_time
+from homeassistant.components.weather import Forecast
 from homeassistant.core import HomeAssistant
 from pytest_homeassistant_custom_component.common import MockConfigEntry
 
@@ -31,3 +33,32 @@ async def test_weather_nl(
     # When getting daily forecast, the min temperature of the current day
     # should be the min temperature of the coming night
     assert result[0]['native_templow'] == 9
+
+
+@freeze_time(datetime.fromisoformat("2024-01-21T14:15:00+01:00"))
+async def test_weather_higher_temp_at_night(
+        hass: HomeAssistant,
+        mock_image_and_high_temp_irm_kmi_api: AsyncMock,
+        mock_config_entry: MockConfigEntry
+) -> None:
+    # Test case for https://github.com/jdejaegh/irm-kmi-ha/issues/8
+    hass.states.async_set(
+        "zone.home",
+        0,
+        {"latitude": 50.738681639, "longitude": 4.054077148},
+    )
+    coordinator = IrmKmiCoordinator(hass, mock_config_entry)
+    await coordinator.async_config_entry_first_refresh()
+
+    weather = IrmKmiWeather(coordinator, mock_config_entry)
+    result: List[Forecast] = await weather.async_forecast_daily()
+
+    for f in result:
+        if f['native_temperature'] is not None and f['native_templow'] is not None:
+            assert f['native_temperature'] >= f['native_templow']
+
+    result: List[Forecast] = await weather.async_forecast_twice_daily()
+
+    for f in result:
+        if f['native_temperature'] is not None and f['native_templow'] is not None:
+            assert f['native_temperature'] >= f['native_templow']