Ensure sensor and recorder converters align (#87138)

tests/components/recorder/test_statistics.py

@@ -16,6 +16,7 @@
 from homeassistant.components.recorder.db_schema import StatisticsShortTerm
 from homeassistant.components.recorder.models import process_timestamp
 from homeassistant.components.recorder.statistics import (
+    STATISTIC_UNIT_TO_UNIT_CONVERTER,
     _statistics_during_period_with_session,
     _update_or_add_metadata,
     async_add_external_statistics,
@@ -29,6 +30,7 @@
     list_statistic_ids,
 )
 from homeassistant.components.recorder.util import session_scope
+from homeassistant.components.sensor import UNIT_CONVERTERS
 from homeassistant.const import UnitOfTemperature
 from homeassistant.core import callback
 from homeassistant.exceptions import HomeAssistantError
@@ -49,6 +51,15 @@
 ORIG_TZ = dt_util.DEFAULT_TIME_ZONE
 
 
+def test_converters_align_with_sensor():
+    """Ensure STATISTIC_UNIT_TO_UNIT_CONVERTER is aligned with UNIT_CONVERTERS."""
+    for converter in UNIT_CONVERTERS.values():
+        assert converter in STATISTIC_UNIT_TO_UNIT_CONVERTER.values()
+
+    for converter in STATISTIC_UNIT_TO_UNIT_CONVERTER.values():
+        assert converter in UNIT_CONVERTERS.values()
+
+
 def test_compile_hourly_statistics(hass_recorder):
     """Test compiling hourly statistics."""
     hass = hass_recorder()