Add unique_id to canary alarm_control_panel (#40041)

* add unique_id to canary alarm_control_panel

* Update test_alarm_control_panel.py

* Update alarm_control_panel.py

* Apply suggestions from code review

Co-authored-by: J. Nick Koston <nick@koston.org>

Co-authored-by: J. Nick Koston <nick@koston.org>

homeassistant/components/canary/alarm_control_panel.py

@@ -43,6 +43,11 @@ class CanaryAlarm(AlarmControlPanelEntity):
         location = self._data.get_location(self._location_id)
         return location.name
 
+    @property
+    def unique_id(self):
+        """Return the unique ID of the alarm."""
+        return str(self._location_id)
+
     @property
     def state(self):
         """Return the state of the device."""

tests/components/canary/test_alarm_control_panel.py

@@ -50,7 +50,8 @@ async def test_alarm_control_panel(hass, canary) -> None:
 
     entity_id = "alarm_control_panel.home"
     entity_entry = registry.async_get(entity_id)
-    assert not entity_entry
+    assert entity_entry
+    assert entity_entry.unique_id == "100"
 
     state = hass.states.get(entity_id)
     assert state