Add a select entity for homekit temperature display units (#100853)

tests/components/homekit_controller/test_select.py

@@ -1,6 +1,7 @@
 """Basic checks for HomeKit select entities."""
 from aiohomekit.model import Accessory
 from aiohomekit.model.characteristics import CharacteristicsTypes
+from aiohomekit.model.characteristics.const import TemperatureDisplayUnits
 from aiohomekit.model.services import ServicesTypes
 
 from homeassistant.core import HomeAssistant
@@ -22,6 +23,16 @@ def create_service_with_ecobee_mode(accessory: Accessory):
     return service
 
 
+def create_service_with_temperature_units(accessory: Accessory):
+    """Define a thermostat with ecobee mode characteristics."""
+    service = accessory.add_service(ServicesTypes.TEMPERATURE_SENSOR, add_required=True)
+
+    units = service.add_char(CharacteristicsTypes.TEMPERATURE_UNITS)
+    units.value = 0
+
+    return service
+
+
 async def test_migrate_unique_id(hass: HomeAssistant, utcnow) -> None:
     """Test we can migrate a select unique id."""
     entity_registry = er.async_get(hass)
@@ -125,3 +136,76 @@ async def test_write_current_mode(hass: HomeAssistant, utcnow) -> None:
         ServicesTypes.THERMOSTAT,
         {CharacteristicsTypes.VENDOR_ECOBEE_SET_HOLD_SCHEDULE: 2},
     )
+
+
+async def test_read_select(hass: HomeAssistant, utcnow) -> None:
+    """Test the generic select can read the current value."""
+    helper = await setup_test_component(hass, create_service_with_temperature_units)
+
+    # Helper will be for the primary entity, which is the service. Make a helper for the sensor.
+    select_entity = Helper(
+        hass,
+        "select.testdevice_temperature_display_units",
+        helper.pairing,
+        helper.accessory,
+        helper.config_entry,
+    )
+
+    state = await select_entity.async_update(
+        ServicesTypes.TEMPERATURE_SENSOR,
+        {
+            CharacteristicsTypes.TEMPERATURE_UNITS: 0,
+        },
+    )
+    assert state.state == "celsius"
+
+    state = await select_entity.async_update(
+        ServicesTypes.TEMPERATURE_SENSOR,
+        {
+            CharacteristicsTypes.TEMPERATURE_UNITS: 1,
+        },
+    )
+    assert state.state == "fahrenheit"
+
+
+async def test_write_select(hass: HomeAssistant, utcnow) -> None:
+    """Test can set a value."""
+    helper = await setup_test_component(hass, create_service_with_temperature_units)
+    helper.accessory.services.first(service_type=ServicesTypes.THERMOSTAT)
+
+    # Helper will be for the primary entity, which is the service. Make a helper for the sensor.
+    current_mode = Helper(
+        hass,
+        "select.testdevice_temperature_display_units",
+        helper.pairing,
+        helper.accessory,
+        helper.config_entry,
+    )
+
+    await hass.services.async_call(
+        "select",
+        "select_option",
+        {
+            "entity_id": "select.testdevice_temperature_display_units",
+            "option": "fahrenheit",
+        },
+        blocking=True,
+    )
+    current_mode.async_assert_service_values(
+        ServicesTypes.TEMPERATURE_SENSOR,
+        {CharacteristicsTypes.TEMPERATURE_UNITS: TemperatureDisplayUnits.FAHRENHEIT},
+    )
+
+    await hass.services.async_call(
+        "select",
+        "select_option",
+        {
+            "entity_id": "select.testdevice_temperature_display_units",
+            "option": "celsius",
+        },
+        blocking=True,
+    )
+    current_mode.async_assert_service_values(
+        ServicesTypes.TEMPERATURE_SENSOR,
+        {CharacteristicsTypes.TEMPERATURE_UNITS: TemperatureDisplayUnits.CELSIUS},
+    )