Add support for homekit controller sensors (#21535)

Adds support for homekit devices with temperature, humidity, and
light level characteristics (such as the iHome iSS50)

tests/components/homekit_controller/common.py

@@ -134,10 +134,12 @@ class FakeService(AbstractService):
         return char
 
 
-async def setup_test_component(hass, services, capitalize=False):
+async def setup_test_component(hass, services, capitalize=False, suffix=None):
     """Load a fake homekit accessory based on a homekit accessory model.
 
     If capitalize is True, property names will be in upper case.
+
+    If suffix is set, entityId will include the suffix
     """
     domain = None
     for service in services:
@@ -174,4 +176,5 @@ async def setup_test_component(hass, services, capitalize=False):
     fire_service_discovered(hass, SERVICE_HOMEKIT, discovery_info)
     await hass.async_block_till_done()
 
-    return Helper(hass, '.'.join((domain, 'testdevice')), pairing, accessory)
+    entity = 'testdevice' if suffix is None else 'testdevice_{}'.format(suffix)
+    return Helper(hass, '.'.join((domain, entity)), pairing, accessory)

tests/components/homekit_controller/test_sensor.py

@@ -0,0 +1,79 @@
+"""Basic checks for HomeKit sensor."""
+from tests.components.homekit_controller.common import (
+    FakeService, setup_test_component)
+
+TEMPERATURE = ('temperature', 'temperature.current')
+HUMIDITY = ('humidity', 'relative-humidity.current')
+LIGHT_LEVEL = ('light', 'light-level.current')
+
+
+def create_temperature_sensor_service():
+    """Define temperature characteristics."""
+    service = FakeService('public.hap.service.sensor.temperature')
+
+    cur_state = service.add_characteristic('temperature.current')
+    cur_state.value = 0
+
+    return service
+
+
+def create_humidity_sensor_service():
+    """Define humidity characteristics."""
+    service = FakeService('public.hap.service.sensor.humidity')
+
+    cur_state = service.add_characteristic('relative-humidity.current')
+    cur_state.value = 0
+
+    return service
+
+
+def create_light_level_sensor_service():
+    """Define light level characteristics."""
+    service = FakeService('public.hap.service.sensor.light')
+
+    cur_state = service.add_characteristic('light-level.current')
+    cur_state.value = 0
+
+    return service
+
+
+async def test_temperature_sensor_read_state(hass, utcnow):
+    """Test reading the state of a HomeKit temperature sensor accessory."""
+    sensor = create_temperature_sensor_service()
+    helper = await setup_test_component(hass, [sensor], suffix="temperature")
+
+    helper.characteristics[TEMPERATURE].value = 10
+    state = await helper.poll_and_get_state()
+    assert state.state == '10'
+
+    helper.characteristics[TEMPERATURE].value = 20
+    state = await helper.poll_and_get_state()
+    assert state.state == '20'
+
+
+async def test_humidity_sensor_read_state(hass, utcnow):
+    """Test reading the state of a HomeKit humidity sensor accessory."""
+    sensor = create_humidity_sensor_service()
+    helper = await setup_test_component(hass, [sensor], suffix="humidity")
+
+    helper.characteristics[HUMIDITY].value = 10
+    state = await helper.poll_and_get_state()
+    assert state.state == '10'
+
+    helper.characteristics[HUMIDITY].value = 20
+    state = await helper.poll_and_get_state()
+    assert state.state == '20'
+
+
+async def test_light_level_sensor_read_state(hass, utcnow):
+    """Test reading the state of a HomeKit temperature sensor accessory."""
+    sensor = create_light_level_sensor_service()
+    helper = await setup_test_component(hass, [sensor], suffix="light_level")
+
+    helper.characteristics[LIGHT_LEVEL].value = 10
+    state = await helper.poll_and_get_state()
+    assert state.state == '10'
+
+    helper.characteristics[LIGHT_LEVEL].value = 20
+    state = await helper.poll_and_get_state()
+    assert state.state == '20'