Fix HomeWizard is not catching RequestError (#73719)

* Fix RequestError was not catched

* Add test for RequestError

homeassistant/components/homewizard/config_flow.py

@@ -5,7 +5,7 @@ import logging
 from typing import Any, cast
 
 from homewizard_energy import HomeWizardEnergy
-from homewizard_energy.errors import DisabledError, UnsupportedError
+from homewizard_energy.errors import DisabledError, RequestError, UnsupportedError
 from voluptuous import Required, Schema
 
 from homeassistant import config_entries
@@ -187,6 +187,10 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             _LOGGER.error("API version unsuppored")
             raise AbortFlow("unsupported_api_version") from ex
 
+        except RequestError as ex:
+            _LOGGER.error("Unexpected or no response")
+            raise AbortFlow("unknown_error") from ex
+
         except Exception as ex:
             _LOGGER.exception(
                 "Error connecting with Energy Device at %s",

homeassistant/components/homewizard/coordinator.py

@@ -4,7 +4,7 @@ from __future__ import annotations
 import logging
 
 from homewizard_energy import HomeWizardEnergy
-from homewizard_energy.errors import DisabledError
+from homewizard_energy.errors import DisabledError, RequestError
 
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
@@ -41,6 +41,9 @@ class HWEnergyDeviceUpdateCoordinator(DataUpdateCoordinator[DeviceResponseEntry]
                 "state": await self.api.state(),
             }
 
+        except RequestError as ex:
+            raise UpdateFailed("Device did not respond as expected") from ex
+
         except DisabledError as ex:
             raise UpdateFailed("API disabled, API must be enabled in the app") from ex
 

tests/components/homewizard/test_config_flow.py

@@ -2,7 +2,7 @@
 import logging
 from unittest.mock import patch
 
-from homewizard_energy.errors import DisabledError, UnsupportedError
+from homewizard_energy.errors import DisabledError, RequestError, UnsupportedError
 
 from homeassistant import config_entries
 from homeassistant.components import zeroconf
@@ -333,3 +333,31 @@ async def test_check_detects_invalid_api(hass, aioclient_mock):
 
     assert result["type"] == RESULT_TYPE_ABORT
     assert result["reason"] == "unsupported_api_version"
+
+
+async def test_check_requesterror(hass, aioclient_mock):
+    """Test check detecting device endpoint failed fetching data due to a requesterror."""
+
+    def mock_initialize():
+        raise RequestError
+
+    device = get_mock_device()
+    device.device.side_effect = mock_initialize
+
+    result = await hass.config_entries.flow.async_init(
+        DOMAIN, context={"source": config_entries.SOURCE_USER}
+    )
+
+    assert result["type"] == "form"
+    assert result["step_id"] == "user"
+
+    with patch(
+        "homeassistant.components.homewizard.config_flow.HomeWizardEnergy",
+        return_value=device,
+    ):
+        result = await hass.config_entries.flow.async_configure(
+            result["flow_id"], {CONF_IP_ADDRESS: "2.2.2.2"}
+        )
+
+    assert result["type"] == RESULT_TYPE_ABORT
+    assert result["reason"] == "unknown_error"