Add reconfigure flow to SABnzbd (#131555)

* Add reconfigure flow to SABnzbd

* Process code review

* Add suggested values

homeassistant/components/sabnzbd/config_flow.py

@@ -7,7 +7,11 @@ from typing import Any
 
 import voluptuous as vol
 
-from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
+from homeassistant.config_entries import (
+    SOURCE_RECONFIGURE,
+    ConfigFlow,
+    ConfigFlowResult,
+)
 from homeassistant.const import CONF_API_KEY, CONF_URL
 from homeassistant.helpers.selector import (
     TextSelector,
@@ -41,31 +45,39 @@ class SABnzbdConfigFlow(ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
 
-    async def _async_validate_input(self, user_input):
-        """Validate the user input allows us to connect."""
-        errors = {}
-        sab_api = await get_client(self.hass, user_input)
-        if not sab_api:
-            errors["base"] = "cannot_connect"
-
-        return errors
+    async def async_step_reconfigure(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle reconfiguration flow."""
+        return await self.async_step_user(user_input)
 
     async def async_step_user(
         self, user_input: dict[str, Any] | None = None
     ) -> ConfigFlowResult:
         """Handle a flow initialized by the user."""
-
         errors = {}
-        if user_input is not None:
-            errors = await self._async_validate_input(user_input)
 
-            if not errors:
+        if user_input is not None:
+            sab_api = await get_client(self.hass, user_input)
+            if not sab_api:
+                errors["base"] = "cannot_connect"
+            else:
+                if self.source == SOURCE_RECONFIGURE:
+                    return self.async_update_reload_and_abort(
+                        self._get_reconfigure_entry(), data_updates=user_input
+                    )
+
                 return self.async_create_entry(
                     title=user_input[CONF_API_KEY][:12], data=user_input
                 )
 
         return self.async_show_form(
             step_id="user",
-            data_schema=USER_SCHEMA,
+            data_schema=self.add_suggested_values_to_schema(
+                USER_SCHEMA,
+                self._get_reconfigure_entry().data
+                if self.source == SOURCE_RECONFIGURE
+                else user_input,
+            ),
             errors=errors,
         )

homeassistant/components/sabnzbd/strings.json

@@ -15,6 +15,9 @@
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
       "invalid_api_key": "[%key:common::config_flow::error::invalid_api_key%]"
+    },
+    "abort": {
+      "reconfigure_successful": "[%key:common::config_flow::abort::reconfigure_successful%]"
     }
   },
   "entity": {

tests/components/sabnzbd/test_config_flow.py

@@ -12,6 +12,8 @@ from homeassistant.const import CONF_API_KEY, CONF_URL
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
+from tests.common import MockConfigEntry
+
 VALID_CONFIG = {
     CONF_API_KEY: "edc3eee7330e4fdda04489e3fbc283d0",
     CONF_URL: "http://localhost:8080",
@@ -71,3 +73,62 @@ async def test_auth_error(hass: HomeAssistant, sabnzbd: AsyncMock) -> None:
         CONF_API_KEY: "edc3eee7330e4fdda04489e3fbc283d0",
         CONF_URL: "http://localhost:8080",
     }
+
+
+async def test_reconfigure_successful(
+    hass: HomeAssistant, config_entry: MockConfigEntry
+) -> None:
+    """Test reconfiguring a SABnzbd entry."""
+    result = await config_entry.start_reconfigure_flow(hass)
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_URL: "http://10.10.10.10:8080", CONF_API_KEY: "new_key"},
+    )
+
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "reconfigure_successful"
+    assert config_entry.data == {
+        CONF_URL: "http://10.10.10.10:8080",
+        CONF_API_KEY: "new_key",
+    }
+
+
+async def test_reconfigure_error(
+    hass: HomeAssistant, config_entry: MockConfigEntry, sabnzbd: AsyncMock
+) -> None:
+    """Test reconfiguring a SABnzbd entry."""
+    result = await config_entry.start_reconfigure_flow(hass)
+
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+
+    # set side effect and check if error is handled
+    sabnzbd.check_available.side_effect = SabnzbdApiException("Some error")
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_URL: "http://10.10.10.10:8080", CONF_API_KEY: "new_key"},
+    )
+    assert result["type"] is FlowResultType.FORM
+    assert result["step_id"] == "user"
+    assert result["errors"] == {"base": "cannot_connect"}
+
+    # reset side effect and check if we can recover
+    sabnzbd.check_available.side_effect = None
+
+    result = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        user_input={CONF_URL: "http://10.10.10.10:8080", CONF_API_KEY: "new_key"},
+    )
+
+    assert "errors" not in result
+    assert result["type"] is FlowResultType.ABORT
+    assert result["reason"] == "reconfigure_successful"
+    assert config_entry.data == {
+        CONF_URL: "http://10.10.10.10:8080",
+        CONF_API_KEY: "new_key",
+    }