Support fetching/setting humidity of HomeKit controller thermostats (#23040)

* Add support for homekit humidity control

* Add tests

tests/components/homekit_controller/test_climate.py

@@ -1,6 +1,7 @@
 """Basic checks for HomeKitclimate."""
 from homeassistant.components.climate.const import (
-    DOMAIN, SERVICE_SET_OPERATION_MODE, SERVICE_SET_TEMPERATURE)
+    DOMAIN, SERVICE_SET_OPERATION_MODE, SERVICE_SET_TEMPERATURE,
+    SERVICE_SET_HUMIDITY)
 from tests.components.homekit_controller.common import (
     FakeService, setup_test_component)
 
@@ -9,6 +10,33 @@ HEATING_COOLING_TARGET = ('thermostat', 'heating-cooling.target')
 HEATING_COOLING_CURRENT = ('thermostat', 'heating-cooling.current')
 TEMPERATURE_TARGET = ('thermostat', 'temperature.target')
 TEMPERATURE_CURRENT = ('thermostat', 'temperature.current')
+HUMIDITY_TARGET = ('thermostat', 'relative-humidity.target')
+HUMIDITY_CURRENT = ('thermostat', 'relative-humidity.current')
+
+
+def create_thermostat_service():
+    """Define thermostat characteristics."""
+    service = FakeService('public.hap.service.thermostat')
+
+    char = service.add_characteristic('heating-cooling.target')
+    char.value = 0
+
+    char = service.add_characteristic('heating-cooling.current')
+    char.value = 0
+
+    char = service.add_characteristic('temperature.target')
+    char.value = 0
+
+    char = service.add_characteristic('temperature.current')
+    char.value = 0
+
+    char = service.add_characteristic('relative-humidity.target')
+    char.value = 0
+
+    char = service.add_characteristic('relative-humidity.current')
+    char.value = 0
+
+    return service
 
 
 async def test_climate_respect_supported_op_modes_1(hass, utcnow):
@@ -77,28 +105,49 @@ async def test_climate_change_thermostat_temperature(hass, utcnow):
     assert helper.characteristics[TEMPERATURE_TARGET].value == 25
 
 
+async def test_climate_change_thermostat_humidity(hass, utcnow):
+    """Test that we can turn a HomeKit thermostat on and off again."""
+    helper = await setup_test_component(hass, [create_thermostat_service()])
+
+    await hass.services.async_call(DOMAIN, SERVICE_SET_HUMIDITY, {
+        'entity_id': 'climate.testdevice',
+        'humidity': 50,
+    }, blocking=True)
+    assert helper.characteristics[HUMIDITY_TARGET].value == 50
+
+    await hass.services.async_call(DOMAIN, SERVICE_SET_HUMIDITY, {
+        'entity_id': 'climate.testdevice',
+        'humidity': 45,
+    }, blocking=True)
+    assert helper.characteristics[HUMIDITY_TARGET].value == 45
+
+
 async def test_climate_read_thermostat_state(hass, utcnow):
     """Test that we can read the state of a HomeKit thermostat accessory."""
-    from homekit.model.services import ThermostatService
-
-    helper = await setup_test_component(hass, [ThermostatService()])
+    helper = await setup_test_component(hass, [create_thermostat_service()])
 
     # Simulate that heating is on
     helper.characteristics[TEMPERATURE_CURRENT].value = 19
     helper.characteristics[TEMPERATURE_TARGET].value = 21
     helper.characteristics[HEATING_COOLING_CURRENT].value = 1
     helper.characteristics[HEATING_COOLING_TARGET].value = 1
+    helper.characteristics[HUMIDITY_CURRENT].value = 50
+    helper.characteristics[HUMIDITY_TARGET].value = 45
 
     state = await helper.poll_and_get_state()
     assert state.state == 'heat'
     assert state.attributes['current_temperature'] == 19
+    assert state.attributes['current_humidity'] == 50
 
     # Simulate that cooling is on
     helper.characteristics[TEMPERATURE_CURRENT].value = 21
     helper.characteristics[TEMPERATURE_TARGET].value = 19
     helper.characteristics[HEATING_COOLING_CURRENT].value = 2
     helper.characteristics[HEATING_COOLING_TARGET].value = 2
+    helper.characteristics[HUMIDITY_CURRENT].value = 45
+    helper.characteristics[HUMIDITY_TARGET].value = 45
 
     state = await helper.poll_and_get_state()
     assert state.state == 'cool'
     assert state.attributes['current_temperature'] == 21
+    assert state.attributes['current_humidity'] == 45