From cadfed23488aee2dff5b9ca51b26d2335d6e3735 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=85ke=20Strandberg?= <ake@strandberg.eu>
Date: Tue, 11 Nov 2025 18:19:37 +0100
Subject: [PATCH] Add diagnostics to SENZ (#156383)

---
 homeassistant/components/senz/diagnostics.py  | 29 ++++++++++++++
 .../senz/snapshots/test_diagnostics.ambr      | 40 +++++++++++++++++++
 tests/components/senz/test_diagnostics.py     | 36 +++++++++++++++++
 3 files changed, 105 insertions(+)
 create mode 100644 homeassistant/components/senz/diagnostics.py
 create mode 100644 tests/components/senz/snapshots/test_diagnostics.ambr
 create mode 100644 tests/components/senz/test_diagnostics.py

diff --git a/homeassistant/components/senz/diagnostics.py b/homeassistant/components/senz/diagnostics.py
new file mode 100644
index 00000000000..d9b024a3a5d
--- /dev/null
+++ b/homeassistant/components/senz/diagnostics.py
@@ -0,0 +1,29 @@
+"""Diagnostics platform for Senz integration."""
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN
+
+TO_REDACT = [
+    "access_token",
+    "refresh_token",
+]
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+
+    raw_data = (
+        [device.raw_data for device in hass.data[DOMAIN][entry.entry_id].data.values()],
+    )
+
+    return {
+        "entry_data": async_redact_data(entry.data, TO_REDACT),
+        "thermostats": raw_data,
+    }
diff --git a/tests/components/senz/snapshots/test_diagnostics.ambr b/tests/components/senz/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..2c925fbc317
--- /dev/null
+++ b/tests/components/senz/snapshots/test_diagnostics.ambr
@@ -0,0 +1,40 @@
+# serializer version: 1
+# name: test_diagnostics_config_entry
+  dict({
+    'entry_data': dict({
+      'auth_implementation': 'senz',
+      'token': dict({
+        'access_token': '**REDACTED**',
+        'expires_in': 86399,
+        'refresh_token': '**REDACTED**',
+        'token_type': 'Bearer',
+      }),
+    }),
+    'thermostats': list([
+      list([
+        dict({
+          'currentTemperature': 1845,
+          'errorState': None,
+          'holdUntil': None,
+          'isHeating': True,
+          'mode': 5,
+          'name': 'Test room 1',
+          'online': True,
+          'serialNumber': '1001',
+          'setPointTemperature': 1900,
+        }),
+        dict({
+          'currentTemperature': 930,
+          'errorState': None,
+          'holdUntil': None,
+          'isHeating': False,
+          'mode': 1,
+          'name': 'Test room 2',
+          'online': True,
+          'serialNumber': '1002',
+          'setPointTemperature': 600,
+        }),
+      ]),
+    ]),
+  })
+# ---
diff --git a/tests/components/senz/test_diagnostics.py b/tests/components/senz/test_diagnostics.py
new file mode 100644
index 00000000000..d66ee175446
--- /dev/null
+++ b/tests/components/senz/test_diagnostics.py
@@ -0,0 +1,36 @@
+"""Tests for the diagnostics data provided by the senz integration."""
+
+from collections.abc import Generator
+from unittest.mock import MagicMock
+
+from syrupy.assertion import SnapshotAssertion
+from syrupy.filters import paths
+
+from homeassistant.core import HomeAssistant
+
+from . import setup_integration
+
+from tests.common import MockConfigEntry
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_diagnostics_config_entry(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    mock_senz_client: Generator[MagicMock],
+    mock_config_entry: MockConfigEntry,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test diagnostics for config entry."""
+
+    await setup_integration(hass, mock_config_entry)
+    result = await get_diagnostics_for_config_entry(
+        hass, hass_client, mock_config_entry
+    )
+
+    assert result == snapshot(
+        exclude=paths(
+            "entry_data.token.expires_at",
+        )
+    )