Add try-catch for invalid auth to Tado (#106774)

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

homeassistant/components/tado/config_flow.py

@@ -4,6 +4,7 @@ from __future__ import annotations
 import logging
 from typing import Any
 
+import PyTado
 from PyTado.interface import Tado
 import requests.exceptions
 import voluptuous as vol
@@ -136,6 +137,8 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             )
         except exceptions.HomeAssistantError:
             return self.async_abort(reason="import_failed")
+        except PyTado.exceptions.TadoWrongCredentialsException:
+            return self.async_abort(reason="import_failed_invalid_auth")
 
         home_id = validate_result[UNIQUE_ID]
         await self.async_set_unique_id(home_id)

homeassistant/components/tado/device_tracker.py

@@ -55,6 +55,8 @@ async def async_get_scanner(
         translation_key = "import_aborted"
         if import_result.get("reason") == "import_failed":
             translation_key = "import_failed"
+        if import_result.get("reason") == "import_failed_invalid_auth":
+            translation_key = "import_failed_invalid_auth"
 
     async_create_issue(
         hass,

homeassistant/components/tado/strings.json

@@ -133,9 +133,13 @@
       "title": "Import aborted",
       "description": "Configuring the Tado Device Tracker using YAML is being removed.\n The import was aborted, due to an existing config entry being the same as the data being imported in the YAML. Remove the YAML device tracker configuration and restart Home Assistant. Please use the UI to configure Tado."
     },
-    "failed_to_import": {
+    "import_failed": {
       "title": "Failed to import",
       "description": "Failed to import the configuration for the Tado Device Tracker. Please use the UI to configure Tado. Don't forget to delete the YAML configuration."
+    },
+    "import_failed_invalid_auth": {
+      "title": "Failed to import, invalid credentials",
+      "description": "Failed to import the configuration for the Tado Device Tracker, due to invalid credentials. Please fix the YAML configuration and restart Home Assistant. Alternatively you can use the UI to configure Tado. Don't forget to delete the YAML configuration, once the import is successful."
     }
   }
 }

tests/components/tado/test_config_flow.py

@@ -3,6 +3,7 @@ from http import HTTPStatus
 from ipaddress import ip_address
 from unittest.mock import MagicMock, patch
 
+import PyTado
 import pytest
 import requests
 
@@ -346,6 +347,27 @@ async def test_import_step_validation_failed(hass: HomeAssistant) -> None:
     assert result["reason"] == "import_failed"
 
 
+async def test_import_step_device_authentication_failed(hass: HomeAssistant) -> None:
+    """Test import step with device tracker authentication failed."""
+    with patch(
+        "homeassistant.components.tado.config_flow.Tado",
+        side_effect=PyTado.exceptions.TadoWrongCredentialsException,
+    ):
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data={
+                "username": "test-username",
+                "password": "test-password",
+                "home_id": 1,
+            },
+        )
+        await hass.async_block_till_done()
+
+    assert result["type"] == FlowResultType.ABORT
+    assert result["reason"] == "import_failed_invalid_auth"
+
+
 async def test_import_step_unique_id_configured(hass: HomeAssistant) -> None:
     """Test import step with unique ID already configured."""
     entry = MockConfigEntry(