Use references in guardian strings.json

homeassistant/components/guardian/config_flow.py

@@ -83,7 +83,7 @@ async def async_step_user(self, user_input=None):
     async def async_step_zeroconf(self, discovery_info):
         """Handle the configuration via zeroconf."""
         if discovery_info is None:
-            return self.async_abort(reason="connection_error")
+            return self.async_abort(reason="cannot_connect")
 
         pin = async_get_pin_from_discovery_hostname(discovery_info["hostname"])
         await self._async_set_unique_id(pin)

homeassistant/components/guardian/strings.json

@@ -6,17 +6,17 @@
         "description": "Configure a local Elexa Guardian device.",
         "data": {
           "ip_address": "[%key:common::config_flow::data::ip%]",
-          "port": "Port"
+          "port": "[%key:common::config_flow::data::port%]"
         }
       },
       "zeroconf_confirm": {
         "description": "Do you want to set up this Guardian device?"
       }
     },
     "abort": {
-      "already_configured": "This Guardian device has already been configured.",
+      "already_configured": "[%key:common::config_flow::abort::already_configured_device%]",
       "already_in_progress": "Guardian device configuration is already in process.",
-      "connection_error": "Failed to connect to the Guardian device."
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]"
     }
   }
 }

tests/components/guardian/test_config_flow.py

@@ -138,4 +138,4 @@ async def test_step_zeroconf_no_discovery_info(hass):
         DOMAIN, context={"source": SOURCE_ZEROCONF}
     )
     assert result["type"] == data_entry_flow.RESULT_TYPE_ABORT
-    assert result["reason"] == "connection_error"
+    assert result["reason"] == "cannot_connect"