Fix IndexError in Israel Rail sensor when no departures available (#160351)

Co-authored-by: Joostlek <joostlek@outlook.com>

homeassistant/components/israel_rail/sensor.py

@@ -116,6 +116,8 @@ class IsraelRailEntitySensor(
     @property
     def native_value(self) -> StateType | datetime:
         """Return the state of the sensor."""
+        if self.entity_description.index >= len(self.coordinator.data):
+            return None
         return self.entity_description.value_fn(
             self.coordinator.data[self.entity_description.index]
         )

tests/components/israel_rail/test_sensor.py

@@ -7,7 +7,7 @@ from unittest.mock import AsyncMock
 from freezegun.api import FrozenDateTimeFactory
 from syrupy.assertion import SnapshotAssertion
 
-from homeassistant.const import STATE_UNAVAILABLE
+from homeassistant.const import STATE_UNAVAILABLE, STATE_UNKNOWN
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
 
@@ -66,3 +66,43 @@ async def test_fail_query(
     assert len(hass.states.async_entity_ids()) == 6
     departure_sensor = hass.states.get("sensor.mock_title_departure")
     assert departure_sensor.state == STATE_UNAVAILABLE
+
+
+async def test_no_departures(
+    hass: HomeAssistant,
+    freezer: FrozenDateTimeFactory,
+    mock_israelrail: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test handling when there are no departures available."""
+    await init_integration(hass, mock_config_entry)
+    assert len(hass.states.async_entity_ids()) == 6
+
+    # Simulate no departures (e.g., after-hours)
+    mock_israelrail.query.return_value = []
+
+    await goto_future(hass, freezer)
+
+    # All sensors should still exist
+    assert len(hass.states.async_entity_ids()) == 6
+
+    # Departure sensors should have unknown state (None)
+    departure_sensor = hass.states.get("sensor.mock_title_departure")
+    assert departure_sensor.state == STATE_UNKNOWN
+
+    departure_sensor_1 = hass.states.get("sensor.mock_title_departure_1")
+    assert departure_sensor_1.state == STATE_UNKNOWN
+
+    departure_sensor_2 = hass.states.get("sensor.mock_title_departure_2")
+    assert departure_sensor_2.state == STATE_UNKNOWN
+
+    # Non-departure sensors (platform, trains, train_number) also access index 0
+    # and should have unknown state when no departures available
+    platform_sensor = hass.states.get("sensor.mock_title_platform")
+    assert platform_sensor.state == STATE_UNKNOWN
+
+    trains_sensor = hass.states.get("sensor.mock_title_trains")
+    assert trains_sensor.state == STATE_UNKNOWN
+
+    train_number_sensor = hass.states.get("sensor.mock_title_train_number")
+    assert train_number_sensor.state == STATE_UNKNOWN