GeoFency unique ID and device info (#24232)

homeassistant/components/geofency/device_tracker.py

@@ -43,6 +43,7 @@ class GeofencyEntity(DeviceTrackerEntity):
         self._location_name = location_name
         self._gps = gps
         self._unsub_dispatcher = None
+        self._unique_id = device
 
     @property
     def device_state_attributes(self):
@@ -74,6 +75,19 @@ class GeofencyEntity(DeviceTrackerEntity):
         """No polling needed."""
         return False
 
+    @property
+    def unique_id(self):
+        """Return the unique ID."""
+        return self._unique_id
+
+    @property
+    def device_info(self):
+        """Return the device info."""
+        return {
+            'name': self._name,
+            'identifiers': {(GF_DOMAIN, self._unique_id)},
+        }
+
     @property
     def source_type(self):
         """Return the source type, eg gps or router, of the device."""

tests/components/geofency/test_init.py

@@ -217,6 +217,12 @@ async def test_gps_enter_and_exit_home(hass, geofency_client, webhook_id):
         'device_tracker', device_name)).attributes['longitude']
     assert NOT_HOME_LONGITUDE == current_longitude
 
+    dev_reg = await hass.helpers.device_registry.async_get_registry()
+    assert len(dev_reg.devices) == 1
+
+    ent_reg = await hass.helpers.entity_registry.async_get_registry()
+    assert len(ent_reg.entities) == 1
+
 
 async def test_beacon_enter_and_exit_home(hass, geofency_client, webhook_id):
     """Test iBeacon based zone enter and exit - a.k.a stationary iBeacon."""