Suggest area for NUT based on device location (#129770)

tests/components/nut/test_init.py

@@ -120,3 +120,30 @@ async def test_serial_number(hass: HomeAssistant) -> None:
 
     assert device_entry is not None
     assert device_entry.serial_number == mock_serial_number
+
+
+async def test_device_location(hass: HomeAssistant) -> None:
+    """Test for suggested location on device."""
+    mock_serial_number = "A00000000000"
+    mock_device_location = "XYZ Location"
+    await async_init_integration(
+        hass,
+        username="someuser",
+        password="somepassword",
+        list_vars={
+            "ups.serial": mock_serial_number,
+            "device.location": mock_device_location,
+        },
+        list_ups={"ups1": "UPS 1"},
+        list_commands_return_value=[],
+    )
+
+    device_registry = dr.async_get(hass)
+    assert device_registry is not None
+
+    device_entry = device_registry.async_get_device(
+        identifiers={(DOMAIN, mock_serial_number)}
+    )
+
+    assert device_entry is not None
+    assert device_entry.suggested_area == mock_device_location