From 67801ab6040ea37977bf21bf0d510ae3d466ccda Mon Sep 17 00:00:00 2001
From: Michael <35783820+mib1185@users.noreply.github.com>
Date: Sat, 27 Jun 2026 21:25:41 +0200
Subject: [PATCH] Migrate ambient_network to UnitOfDensity / UnitOfRatio enums
 (#174994)

---
 homeassistant/components/ambient_network/sensor.py  | 13 ++++++-------
 .../ambient_network/snapshots/test_sensor.ambr      | 12 ++++++------
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/homeassistant/components/ambient_network/sensor.py b/homeassistant/components/ambient_network/sensor.py
index 85e010ee0ade..347c0caf8389 100644
--- a/homeassistant/components/ambient_network/sensor.py
+++ b/homeassistant/components/ambient_network/sensor.py
@@ -10,15 +10,14 @@ from homeassistant.components.sensor import (
     SensorStateClass,
 )
 from homeassistant.const import (
-    CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
-    CONCENTRATION_PARTS_PER_MILLION,
     CONF_MAC,
     DEGREE,
-    PERCENTAGE,
+    UnitOfDensity,
     UnitOfIrradiance,
     UnitOfLength,
     UnitOfPrecipitationDepth,
     UnitOfPressure,
+    UnitOfRatio,
     UnitOfSpeed,
     UnitOfTemperature,
     UnitOfVolumetricFlux,
@@ -94,7 +93,7 @@ SENSOR_DESCRIPTIONS = (
     ),
     SensorEntityDescription(
         key=TYPE_CO2,
-        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        native_unit_of_measurement=UnitOfRatio.PARTS_PER_MILLION,
         device_class=SensorDeviceClass.CO2,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=2,
@@ -134,7 +133,7 @@ SENSOR_DESCRIPTIONS = (
     ),
     SensorEntityDescription(
         key=TYPE_HUMIDITY,
-        native_unit_of_measurement=PERCENTAGE,
+        native_unit_of_measurement=UnitOfRatio.PERCENTAGE,
         device_class=SensorDeviceClass.HUMIDITY,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=1,
@@ -188,14 +187,14 @@ SENSOR_DESCRIPTIONS = (
     SensorEntityDescription(
         key=TYPE_PM25_24H,
         translation_key="pm25_24h_average",
-        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        native_unit_of_measurement=UnitOfDensity.MICROGRAMS_PER_CUBIC_METER,
         device_class=SensorDeviceClass.PM25,
         suggested_display_precision=1,
         entity_registry_enabled_default=False,
     ),
     SensorEntityDescription(
         key=TYPE_PM25,
-        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        native_unit_of_measurement=UnitOfDensity.MICROGRAMS_PER_CUBIC_METER,
         device_class=SensorDeviceClass.PM25,
         state_class=SensorStateClass.MEASUREMENT,
         suggested_display_precision=1,
diff --git a/tests/components/ambient_network/snapshots/test_sensor.ambr b/tests/components/ambient_network/snapshots/test_sensor.ambr
index 136fdc71288f..999ca52fa205 100644
--- a/tests/components/ambient_network/snapshots/test_sensor.ambr
+++ b/tests/components/ambient_network/snapshots/test_sensor.ambr
@@ -347,7 +347,7 @@
     'supported_features': 0,
     'translation_key': None,
     'unique_id': 'AA:AA:AA:AA:AA:AA_humidity',
-    'unit_of_measurement': '%',
+    'unit_of_measurement': <UnitOfRatio.PERCENTAGE: '%'>,
   })
 # ---
 # name: test_sensors[AA:AA:AA:AA:AA:AA][sensor.station_a_humidity-state]
@@ -358,7 +358,7 @@
       <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'Station A Humidity',
       'last_measured': HAFakeDatetime(2023, 11, 8, 12, 12, 0, 914000, tzinfo=zoneinfo.ZoneInfo(key='US/Pacific')),
       <SensorEntityCapabilityAttribute.STATE_CLASS: 'state_class'>: <SensorStateClass.MEASUREMENT: 'measurement'>,
-      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: '%',
+      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: <UnitOfRatio.PERCENTAGE: '%'>,
     }),
     'context': <ANY>,
     'entity_id': 'sensor.station_a_humidity',
@@ -1386,7 +1386,7 @@
     'supported_features': 0,
     'translation_key': None,
     'unique_id': 'CC:CC:CC:CC:CC:CC_humidity',
-    'unit_of_measurement': '%',
+    'unit_of_measurement': <UnitOfRatio.PERCENTAGE: '%'>,
   })
 # ---
 # name: test_sensors[CC:CC:CC:CC:CC:CC][sensor.station_c_humidity-state]
@@ -1397,7 +1397,7 @@
       <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'Station C Humidity',
       'last_measured': HAFakeDatetime(2024, 6, 6, 8, 28, 3, tzinfo=zoneinfo.ZoneInfo(key='US/Pacific')),
       <SensorEntityCapabilityAttribute.STATE_CLASS: 'state_class'>: <SensorStateClass.MEASUREMENT: 'measurement'>,
-      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: '%',
+      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: <UnitOfRatio.PERCENTAGE: '%'>,
     }),
     'context': <ANY>,
     'entity_id': 'sensor.station_c_humidity',
@@ -2420,7 +2420,7 @@
     'supported_features': 0,
     'translation_key': None,
     'unique_id': 'DD:DD:DD:DD:DD:DD_humidity',
-    'unit_of_measurement': '%',
+    'unit_of_measurement': <UnitOfRatio.PERCENTAGE: '%'>,
   })
 # ---
 # name: test_sensors[DD:DD:DD:DD:DD:DD][sensor.station_d_humidity-state]
@@ -2430,7 +2430,7 @@
       <EntityStateAttribute.DEVICE_CLASS: 'device_class'>: 'humidity',
       <EntityStateAttribute.FRIENDLY_NAME: 'friendly_name'>: 'Station D Humidity',
       <SensorEntityCapabilityAttribute.STATE_CLASS: 'state_class'>: <SensorStateClass.MEASUREMENT: 'measurement'>,
-      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: '%',
+      <EntityStateAttribute.UNIT_OF_MEASUREMENT: 'unit_of_measurement'>: <UnitOfRatio.PERCENTAGE: '%'>,
     }),
     'context': <ANY>,
     'entity_id': 'sensor.station_d_humidity',