From 19c7f663ca6ee4e5f4ce75dda577805db29ce85d Mon Sep 17 00:00:00 2001
From: konsulten <nordmarkclaes@gmail.com>
Date: Wed, 25 Feb 2026 18:51:51 +0100
Subject: [PATCH] Add diagnostic to systemnexa2 integration (#164090)

---
 .../components/systemnexa2/diagnostics.py     | 40 +++++++++++++++++++
 .../components/systemnexa2/quality_scale.yaml |  2 +-
 .../snapshots/test_diagnostics.ambr           | 33 +++++++++++++++
 .../systemnexa2/test_diagnostics.py           | 29 ++++++++++++++
 4 files changed, 103 insertions(+), 1 deletion(-)
 create mode 100644 homeassistant/components/systemnexa2/diagnostics.py
 create mode 100644 tests/components/systemnexa2/snapshots/test_diagnostics.ambr
 create mode 100644 tests/components/systemnexa2/test_diagnostics.py

diff --git a/homeassistant/components/systemnexa2/diagnostics.py b/homeassistant/components/systemnexa2/diagnostics.py
new file mode 100644
index 00000000000..10c1e0d7836
--- /dev/null
+++ b/homeassistant/components/systemnexa2/diagnostics.py
@@ -0,0 +1,40 @@
+"""Diagnostics support for System Nexa 2."""
+
+from __future__ import annotations
+
+from dataclasses import asdict
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.const import CONF_DEVICE_ID, CONF_HOST
+from homeassistant.core import HomeAssistant
+
+from .coordinator import SystemNexa2ConfigEntry
+
+TO_REDACT = {
+    CONF_HOST,
+    CONF_DEVICE_ID,
+    "unique_id",
+    "wifi_ssid",
+}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: SystemNexa2ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator = entry.runtime_data
+
+    return {
+        "config_entry": async_redact_data(dict(entry.data), TO_REDACT),
+        "device_info": async_redact_data(asdict(coordinator.data.info_data), TO_REDACT),
+        "coordinator_available": coordinator.last_update_success,
+        "state": coordinator.data.state,
+        "settings": {
+            name: {
+                "name": setting.name,
+                "enabled": setting.is_enabled(),
+            }
+            for name, setting in coordinator.data.on_off_settings.items()
+        },
+    }
diff --git a/homeassistant/components/systemnexa2/quality_scale.yaml b/homeassistant/components/systemnexa2/quality_scale.yaml
index c70d8ddb971..fbec9bcebe5 100644
--- a/homeassistant/components/systemnexa2/quality_scale.yaml
+++ b/homeassistant/components/systemnexa2/quality_scale.yaml
@@ -45,7 +45,7 @@ rules:
 
   # Gold
   devices: done
-  diagnostics: todo
+  diagnostics: done
   discovery-update-info: done
   discovery: done
   docs-data-update: done
diff --git a/tests/components/systemnexa2/snapshots/test_diagnostics.ambr b/tests/components/systemnexa2/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..a83c33d1476
--- /dev/null
+++ b/tests/components/systemnexa2/snapshots/test_diagnostics.ambr
@@ -0,0 +1,33 @@
+# serializer version: 1
+# name: test_diagnostics[False]
+  dict({
+    'config_entry': dict({
+      'device_id': '**REDACTED**',
+      'host': '**REDACTED**',
+      'model': 'WPO-01',
+      'name': 'Outdoor Smart Plug',
+    }),
+    'coordinator_available': True,
+    'device_info': dict({
+      'dimmable': False,
+      'hw_version': 'Test HW Version',
+      'model': 'WPO-01',
+      'name': 'Outdoor Smart Plug',
+      'sw_version': 'Test Model Version',
+      'unique_id': '**REDACTED**',
+      'wifi_dbm': -50,
+      'wifi_ssid': '**REDACTED**',
+    }),
+    'settings': dict({
+      '433Mhz': dict({
+        'enabled': True,
+        'name': '433Mhz',
+      }),
+      'Cloud Access': dict({
+        'enabled': False,
+        'name': 'Cloud Access',
+      }),
+    }),
+    'state': 1.0,
+  })
+# ---
diff --git a/tests/components/systemnexa2/test_diagnostics.py b/tests/components/systemnexa2/test_diagnostics.py
new file mode 100644
index 00000000000..70e0b062241
--- /dev/null
+++ b/tests/components/systemnexa2/test_diagnostics.py
@@ -0,0 +1,29 @@
+"""Test System Nexa 2 diagnostics."""
+
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.core import HomeAssistant
+
+from tests.common import MockConfigEntry
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    mock_config_entry: MockConfigEntry,
+    mock_system_nexa_2_device,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test diagnostics for config entry."""
+    mock_config_entry.add_to_hass(hass)
+
+    await hass.config_entries.async_setup(mock_config_entry.entry_id)
+    await hass.async_block_till_done()
+
+    result = await get_diagnostics_for_config_entry(
+        hass, hass_client, mock_config_entry
+    )
+
+    assert result == snapshot