Add scenes as switches HomeKit (#17799)

homeassistant/components/homekit/__init__.py

@@ -170,7 +170,8 @@ def get_accessory(hass, driver, state, aid, config):
         switch_type = config.get(CONF_TYPE, TYPE_SWITCH)
         a_type = SWITCH_TYPES[switch_type]
 
-    elif state.domain in ('automation', 'input_boolean', 'remote', 'script'):
+    elif state.domain in ('automation', 'input_boolean', 'remote', 'scene',
+                          'script'):
         a_type = 'Switch'
 
     elif state.domain == 'water_heater':

homeassistant/components/homekit/type_switches.py

@@ -86,6 +86,8 @@ class Switch(HomeAccessory):
     def is_activate(self, state):
         """Check if entity is activate only."""
         can_cancel = state.attributes.get(ATTR_CAN_CANCEL)
+        if self._domain == 'scene':
+            return True
         if self._domain == 'script' and not can_cancel:
             return True
         return False

tests/components/homekit/test_get_accessories.py

@@ -139,6 +139,7 @@ def test_type_sensors(type_name, entity_id, state, attrs):
     ('Switch', 'automation.test', 'on', {}, {}),
     ('Switch', 'input_boolean.test', 'on', {}, {}),
     ('Switch', 'remote.test', 'on', {}, {}),
+    ('Switch', 'scene.test', 'on', {}, {}),
     ('Switch', 'script.test', 'on', {}, {}),
     ('Switch', 'switch.test', 'on', {}, {}),
     ('Switch', 'switch.test', 'on', {}, {CONF_TYPE: TYPE_SWITCH}),

tests/components/homekit/test_type_switches.py

@@ -180,6 +180,7 @@ async def test_valve_set_state(hass, hk_driver, events):
 
 
 @pytest.mark.parametrize('entity_id, attrs', [
+    ('scene.test', {}),
     ('script.test', {}),
     ('script.test', {ATTR_CAN_CANCEL: False}),
 ])