From dfbd4ffb2db83d91c80897a0bdcd09af14e0045d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kamil=20Bregu=C5=82a?= <mik-laj@users.noreply.github.com>
Date: Tue, 24 Feb 2026 21:34:54 +0100
Subject: [PATCH] Add diagnostics to met (#157805)

Co-authored-by: mik-laj <12058428+mik-laj@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 homeassistant/components/met/diagnostics.py   | 30 +++++++++++++++++++
 .../met/snapshots/test_diagnostics.ambr       | 19 ++++++++++++
 tests/components/met/test_diagnostics.py      | 23 ++++++++++++++
 3 files changed, 72 insertions(+)
 create mode 100644 homeassistant/components/met/diagnostics.py
 create mode 100644 tests/components/met/snapshots/test_diagnostics.ambr
 create mode 100644 tests/components/met/test_diagnostics.py

diff --git a/homeassistant/components/met/diagnostics.py b/homeassistant/components/met/diagnostics.py
new file mode 100644
index 00000000000..b5a37ac490d
--- /dev/null
+++ b/homeassistant/components/met/diagnostics.py
@@ -0,0 +1,30 @@
+"""Diagnostics support for Met.no integration."""
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE
+from homeassistant.core import HomeAssistant
+
+from .coordinator import MetWeatherConfigEntry
+
+TO_REDACT = [
+    CONF_LATITUDE,
+    CONF_LONGITUDE,
+]
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: MetWeatherConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator_data = entry.runtime_data.data
+
+    return {
+        "entry_data": async_redact_data(entry.data, TO_REDACT),
+        "data": {
+            "current_weather_data": coordinator_data.current_weather_data,
+            "daily_forecast": coordinator_data.daily_forecast,
+            "hourly_forecast": coordinator_data.hourly_forecast,
+        },
+    }
diff --git a/tests/components/met/snapshots/test_diagnostics.ambr b/tests/components/met/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..8ca30cb3cdf
--- /dev/null
+++ b/tests/components/met/snapshots/test_diagnostics.ambr
@@ -0,0 +1,19 @@
+# serializer version: 1
+# name: test_entry_diagnostics
+  dict({
+    'data': dict({
+      'current_weather_data': dict({
+      }),
+      'daily_forecast': list([
+      ]),
+      'hourly_forecast': list([
+      ]),
+    }),
+    'entry_data': dict({
+      'elevation': 1.0,
+      'latitude': '**REDACTED**',
+      'longitude': '**REDACTED**',
+      'name': 'test',
+    }),
+  })
+# ---
diff --git a/tests/components/met/test_diagnostics.py b/tests/components/met/test_diagnostics.py
new file mode 100644
index 00000000000..7b988991d7a
--- /dev/null
+++ b/tests/components/met/test_diagnostics.py
@@ -0,0 +1,23 @@
+"""Test Met.no diagnostics."""
+
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.core import HomeAssistant
+
+from . import init_integration
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_entry_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test config entry diagnostics."""
+    mock_config_entry = await init_integration(hass)
+    assert (
+        await get_diagnostics_for_config_entry(hass, hass_client, mock_config_entry)
+        == snapshot
+    )