Ensure group state is recalculated when re-adding on reload (#40497)

homeassistant/components/group/cover.py

@@ -39,7 +39,7 @@
     STATE_OPEN,
     STATE_OPENING,
 )
-from homeassistant.core import State
+from homeassistant.core import CoreState, State
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import async_track_state_change_event
 
@@ -162,6 +162,10 @@ async def async_added_to_hass(self):
                 self.hass, self._entities, self._update_supported_features_event
             )
         )
+
+        if self.hass.state == CoreState.running:
+            await self.async_update()
+            return
         await super().async_added_to_hass()
 
     @property

homeassistant/components/group/light.py

@@ -36,7 +36,7 @@
     STATE_ON,
     STATE_UNAVAILABLE,
 )
-from homeassistant.core import State
+from homeassistant.core import CoreState, State
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.event import async_track_state_change_event
 from homeassistant.helpers.typing import ConfigType, HomeAssistantType
@@ -111,6 +111,11 @@ async def async_state_changed_listener(event):
                 self.hass, self._entity_ids, async_state_changed_listener
             )
         )
+
+        if self.hass.state == CoreState.running:
+            await self.async_update()
+            return
+
         await super().async_added_to_hass()
 
     @property

tests/components/group/test_light.py

@@ -737,6 +737,11 @@ async def test_reload_with_base_integration_platform_not_setup(hass):
         },
     )
     await hass.async_block_till_done()
+    hass.states.async_set("light.master_hall_lights", STATE_ON)
+    hass.states.async_set("light.master_hall_lights_2", STATE_OFF)
+
+    hass.states.async_set("light.outside_patio_lights", STATE_OFF)
+    hass.states.async_set("light.outside_patio_lights_2", STATE_OFF)
 
     yaml_path = path.join(
         _get_fixtures_base_path(),
@@ -755,6 +760,8 @@ async def test_reload_with_base_integration_platform_not_setup(hass):
     assert hass.states.get("light.light_group") is None
     assert hass.states.get("light.master_hall_lights_g") is not None
     assert hass.states.get("light.outside_patio_lights_g") is not None
+    assert hass.states.get("light.master_hall_lights_g").state == STATE_ON
+    assert hass.states.get("light.outside_patio_lights_g").state == STATE_OFF
 
 
 def _get_fixtures_base_path():