Fix utility_meter wrong/old value on reset (#142951)

Co-authored-by: Erwin Douna <e.douna@gmail.com>
Co-authored-by: Abílio Costa <abmantis@users.noreply.github.com>

homeassistant/components/utility_meter/sensor.py

@@ -577,10 +577,10 @@ class UtilityMeterSensor(RestoreSensor):
     async def _async_reset_meter(self, event):
         """Reset the utility meter status."""
 
-        await self._program_reset()
-
         await self.async_reset_meter(self._tariff_entity)
 
+        await self._program_reset()
+
     async def async_reset_meter(self, entity_id):
         """Reset meter."""
         if self._tariff_entity is not None and self._tariff_entity != entity_id:

tests/components/utility_meter/test_sensor.py

@@ -43,6 +43,7 @@ from homeassistant.const import (
 )
 from homeassistant.core import CoreState, HomeAssistant, State
 from homeassistant.helpers import device_registry as dr, entity_registry as er
+from homeassistant.helpers.event import async_track_state_change_event
 from homeassistant.setup import async_setup_component
 from homeassistant.util import dt as dt_util
 
@@ -1637,8 +1638,21 @@ async def _test_self_reset(
 
     now += timedelta(seconds=30)
     with freeze_time(now):
+        # Listen for events and check that state in the first event after reset is actually 0, issue #142053
+        events = []
+
+        async def handle_energy_bill_event(event):
+            events.append(event)
+
+        unsub = async_track_state_change_event(
+            hass,
+            "sensor.energy_bill",
+            handle_energy_bill_event,
+        )
+
         async_fire_time_changed(hass, now)
         await hass.async_block_till_done()
+        unsub()
         hass.states.async_set(
             entity_id,
             6,
@@ -1654,6 +1668,10 @@ async def _test_self_reset(
             state.attributes.get("last_reset") == dt_util.as_utc(now).isoformat()
         )  # last_reset is kept in UTC
         assert state.state == "3"
+        # In first event state should be 0
+        assert len(events) == 2
+        assert events[0].data.get("new_state").state == "0"
+        assert events[1].data.get("new_state").state == "0"
     else:
         assert state.attributes.get("last_period") == "0"
         assert state.state == "5"