Extend UnitOfApparentPower with 'kVA' (home-assistant#151420)

Author: stephan-carstens

homeassistant/components/number/const.py

@@ -89,7 +89,7 @@ class NumberDeviceClass(StrEnum):
     APPARENT_POWER = "apparent_power"
     """Apparent power.
 
-    Unit of measurement: `mVA`, `VA`
+    Unit of measurement: `mVA`, `VA`, `kVA`
     """
 
     AQI = "aqi"

homeassistant/components/sensor/const.py

@@ -120,7 +120,7 @@ class SensorDeviceClass(StrEnum):
     APPARENT_POWER = "apparent_power"
     """Apparent power.
 
-    Unit of measurement: `mVA`, `VA`
+    Unit of measurement: `mVA`, `VA`, `kVA`
     """
 
     AQI = "aqi"

homeassistant/const.py

@@ -590,6 +590,7 @@ class UnitOfApparentPower(StrEnum):
 
     MILLIVOLT_AMPERE = "mVA"
     VOLT_AMPERE = "VA"
+    KILO_VOLT_AMPERE = "kVA"
 
 
 # Power units

homeassistant/util/unit_conversion.py

@@ -391,10 +391,12 @@ class ApparentPowerConverter(BaseUnitConverter):
     _UNIT_CONVERSION: dict[str | None, float] = {
         UnitOfApparentPower.MILLIVOLT_AMPERE: 1 * 1000,
         UnitOfApparentPower.VOLT_AMPERE: 1,
+        UnitOfApparentPower.KILO_VOLT_AMPERE: 1 / 1000,
     }
     VALID_UNITS = {
         UnitOfApparentPower.MILLIVOLT_AMPERE,
         UnitOfApparentPower.VOLT_AMPERE,
+        UnitOfApparentPower.KILO_VOLT_AMPERE,
     }
 
 

tests/util/test_unit_conversion.py

@@ -191,6 +191,24 @@
             0.01,
             UnitOfApparentPower.VOLT_AMPERE,
         ),
+        (
+            10,
+            UnitOfApparentPower.MILLIVOLT_AMPERE,
+            0.00001,
+            UnitOfApparentPower.KILO_VOLT_AMPERE,
+        ),
+        (
+            10,
+            UnitOfApparentPower.VOLT_AMPERE,
+            0.01,
+            UnitOfApparentPower.KILO_VOLT_AMPERE,
+        ),
+        (
+            10,
+            UnitOfApparentPower.KILO_VOLT_AMPERE,
+            10000,
+            UnitOfApparentPower.VOLT_AMPERE,
+        ),
     ],
     AreaConverter: [
         # Square Meters to other units