Expose supported_features as a property (#69)

* Expose `supported_features` as a property

* Fix import in `test_siren`

* Add `supported_features` to `Cover` as well

* Unit test shade cover features

Author: puddly

tests/test_cover.py

@@ -205,6 +205,16 @@ async def test_cover(
     )
 
     entity = get_entity(zha_device, platform=Platform.COVER)
+    assert entity.supported_features == (
+        CoverEntityFeature.OPEN
+        | CoverEntityFeature.CLOSE
+        | CoverEntityFeature.SET_POSITION
+        | CoverEntityFeature.STOP
+        | CoverEntityFeature.OPEN_TILT
+        | CoverEntityFeature.CLOSE_TILT
+        | CoverEntityFeature.STOP_TILT
+        | CoverEntityFeature.SET_TILT_POSITION
+    )
 
     # test that the state has changed from unavailable to off
     await send_attributes_report(
@@ -561,7 +571,7 @@ async def test_shade(
     cluster_level = zigpy_shade_device.endpoints.get(1).level
     entity = get_entity(zha_device, platform=Platform.COVER)
 
-    assert entity._attr_supported_features == (
+    assert entity.supported_features == (
         CoverEntityFeature.OPEN
         | CoverEntityFeature.CLOSE
         | CoverEntityFeature.STOP
@@ -719,7 +729,7 @@ async def test_keen_vent(
     cluster_level = zigpy_keen_vent.endpoints.get(1).level
     entity = get_entity(zha_device, platform=Platform.COVER)
 
-    assert entity._attr_supported_features == (
+    assert entity.supported_features == (
         CoverEntityFeature.OPEN
         | CoverEntityFeature.CLOSE
         | CoverEntityFeature.STOP

tests/test_siren.py

@@ -15,6 +15,7 @@
 from tests.conftest import SIG_EP_INPUT, SIG_EP_OUTPUT, SIG_EP_TYPE
 from zha.application import Platform
 from zha.application.gateway import Gateway
+from zha.application.platforms.siren import SirenEntityFeature
 from zha.zigbee.device import Device
 
 
@@ -50,6 +51,13 @@ async def test_siren(
     assert cluster is not None
 
     entity = get_entity(zha_device, platform=Platform.SIREN)
+    assert entity.supported_features == (
+        SirenEntityFeature.TURN_ON
+        | SirenEntityFeature.TURN_OFF
+        | SirenEntityFeature.TONES
+        | SirenEntityFeature.VOLUME_SET
+        | SirenEntityFeature.DURATION
+    )
 
     assert entity.state["state"] is False
 

zha/application/platforms/cover/__init__.py

@@ -95,6 +95,11 @@ def __init__(
             self.handle_cluster_handler_attribute_updated,
         )
 
+    @property
+    def supported_features(self) -> CoverEntityFeature:
+        """Return supported features."""
+        return self._attr_supported_features
+
     @property
     def state(self) -> dict[str, Any]:
         """Get the state of the cover."""
@@ -422,6 +427,11 @@ def state(self) -> dict[str, Any]:
         )
         return response
 
+    @property
+    def supported_features(self) -> CoverEntityFeature:
+        """Return supported features."""
+        return self._attr_supported_features
+
     @property
     def current_cover_position(self) -> int | None:
         """Return current position of cover.

zha/application/platforms/siren.py

@@ -116,6 +116,11 @@ def state(self) -> dict[str, Any]:
         response["state"] = self.is_on
         return response
 
+    @property
+    def supported_features(self) -> SirenEntityFeature:
+        """Return supported features."""
+        return self._attr_supported_features
+
     @property
     def is_on(self) -> bool:
         """Return true if the entity is on."""