From 91dbe3092fda376ef5aa2052628acf42907d6a7b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=2E=20Diego=20Rodr=C3=ADguez=20Royo?=
 <jdrr1998@hotmail.com>
Date: Sat, 8 Feb 2025 16:29:00 +0100
Subject: [PATCH] Only allow single Home Connect config entry (#137088)

* Make Home Connect config entry unique

* Use unique ID for Home connect config entry

* Remove unnecessary code

* Revert "Use unique ID for Home connect config entry"

This reverts commit 424131746990dfbbba05b578f61fd49f4f7cb8d7.

* Added tests
---
 .../components/home_connect/manifest.json        |  3 ++-
 homeassistant/generated/integrations.json        |  3 ++-
 .../components/home_connect/test_config_flow.py  | 16 ++++++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/home_connect/manifest.json b/homeassistant/components/home_connect/manifest.json
index 41d359446fa..94085af2fc3 100644
--- a/homeassistant/components/home_connect/manifest.json
+++ b/homeassistant/components/home_connect/manifest.json
@@ -7,5 +7,6 @@
   "documentation": "https://www.home-assistant.io/integrations/home_connect",
   "iot_class": "cloud_push",
   "loggers": ["aiohomeconnect"],
-  "requirements": ["aiohomeconnect==0.12.3"]
+  "requirements": ["aiohomeconnect==0.12.3"],
+  "single_config_entry": true
 }
diff --git a/homeassistant/generated/integrations.json b/homeassistant/generated/integrations.json
index 026eab30f8f..6c688e07f5c 100644
--- a/homeassistant/generated/integrations.json
+++ b/homeassistant/generated/integrations.json
@@ -2609,7 +2609,8 @@
       "name": "Home Connect",
       "integration_type": "hub",
       "config_flow": true,
-      "iot_class": "cloud_push"
+      "iot_class": "cloud_push",
+      "single_config_entry": true
     },
     "home_plus_control": {
       "name": "Legrand Home+ Control",
diff --git a/tests/components/home_connect/test_config_flow.py b/tests/components/home_connect/test_config_flow.py
index c015a881343..343d648e543 100644
--- a/tests/components/home_connect/test_config_flow.py
+++ b/tests/components/home_connect/test_config_flow.py
@@ -16,6 +16,7 @@ from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 from homeassistant.helpers import config_entry_oauth2_flow
 
+from tests.common import MockConfigEntry
 from tests.test_util.aiohttp import AiohttpClientMocker
 from tests.typing import ClientSessionGenerator
 
@@ -77,3 +78,18 @@ async def test_full_flow(
 
     assert len(hass.config_entries.async_entries(DOMAIN)) == 1
     assert len(mock_setup_entry.mock_calls) == 1
+
+
+async def test_prevent_multiple_config_entries(
+    hass: HomeAssistant,
+    config_entry: MockConfigEntry,
+) -> None:
+    """Test we only allow one config entry."""
+    config_entry.add_to_hass(hass)
+
+    result = await hass.config_entries.flow.async_init(
+        "home_connect", context={"source": config_entries.SOURCE_USER}
+    )
+
+    assert result["type"] == "abort"
+    assert result["reason"] == "single_instance_allowed"