From 6249cabcba686b1ea3f0e1dfeb5c566805eddb2d Mon Sep 17 00:00:00 2001
From: Erwin Douna <e.douna@gmail.com>
Date: Sat, 18 Oct 2025 18:02:50 +0200
Subject: [PATCH] Firefly III add diagnostics (#154743)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 .../components/firefly_iii/diagnostics.py     | 26 +++++++++++
 .../snapshots/test_diagnostics.ambr           | 44 +++++++++++++++++++
 .../firefly_iii/test_diagnostics.py           | 35 +++++++++++++++
 3 files changed, 105 insertions(+)
 create mode 100644 homeassistant/components/firefly_iii/diagnostics.py
 create mode 100644 tests/components/firefly_iii/snapshots/test_diagnostics.ambr
 create mode 100644 tests/components/firefly_iii/test_diagnostics.py

diff --git a/homeassistant/components/firefly_iii/diagnostics.py b/homeassistant/components/firefly_iii/diagnostics.py
new file mode 100644
index 00000000000..6b3a6a13940
--- /dev/null
+++ b/homeassistant/components/firefly_iii/diagnostics.py
@@ -0,0 +1,26 @@
+"""Diagnostics for the Firefly III integration."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.const import CONF_API_KEY, CONF_URL
+from homeassistant.core import HomeAssistant
+
+from . import FireflyConfigEntry
+from .coordinator import FireflyDataUpdateCoordinator
+
+TO_REDACT = [CONF_API_KEY, CONF_URL]
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: FireflyConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator: FireflyDataUpdateCoordinator = entry.runtime_data
+
+    return {
+        "config_entry": async_redact_data(entry.as_dict(), TO_REDACT),
+        "data": {"primary_currency": coordinator.data.primary_currency.to_dict()},
+    }
diff --git a/tests/components/firefly_iii/snapshots/test_diagnostics.ambr b/tests/components/firefly_iii/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..c0316c446e7
--- /dev/null
+++ b/tests/components/firefly_iii/snapshots/test_diagnostics.ambr
@@ -0,0 +1,44 @@
+# serializer version: 1
+# name: test_get_config_entry_diagnostics
+  dict({
+    'config_entry': dict({
+      'data': dict({
+        'api_key': '**REDACTED**',
+        'url': '**REDACTED**',
+        'verify_ssl': True,
+      }),
+      'disabled_by': None,
+      'discovery_keys': dict({
+      }),
+      'domain': 'firefly_iii',
+      'entry_id': 'firefly_iii_test_entry_123',
+      'minor_version': 1,
+      'options': dict({
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'subentries': list([
+      ]),
+      'title': 'Firefly III test',
+      'unique_id': 'firefly_iii_test_unique_id_123',
+      'version': 1,
+    }),
+    'data': dict({
+      'primary_currency': dict({
+        'attributes': dict({
+          'code': 'AMS',
+          'decimal_places': 2,
+          'default': False,
+          'enabled': True,
+          'name': 'Ankh-Morpork dollar',
+          'native': False,
+          'symbol': 'AM$',
+          'updated_at': '2018-09-17T12:46:47+01:00',
+        }),
+        'id': '2',
+        'type': 'currencies',
+      }),
+    }),
+  })
+# ---
diff --git a/tests/components/firefly_iii/test_diagnostics.py b/tests/components/firefly_iii/test_diagnostics.py
new file mode 100644
index 00000000000..2700dc8ab40
--- /dev/null
+++ b/tests/components/firefly_iii/test_diagnostics.py
@@ -0,0 +1,35 @@
+"""Test the Firefly III component diagnostics."""
+
+from unittest.mock import AsyncMock
+
+from syrupy.assertion import SnapshotAssertion
+from syrupy.filters import props
+
+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_get_config_entry_diagnostics(
+    hass: HomeAssistant,
+    snapshot: SnapshotAssertion,
+    mock_firefly_client: AsyncMock,
+    mock_config_entry: MockConfigEntry,
+    hass_client: ClientSessionGenerator,
+) -> None:
+    """Test if get_config_entry_diagnostics returns the correct data."""
+    await setup_integration(hass, mock_config_entry)
+
+    diagnostics_entry = await get_diagnostics_for_config_entry(
+        hass, hass_client, mock_config_entry
+    )
+    assert diagnostics_entry == snapshot(
+        exclude=props(
+            "created_at",
+            "modified_at",
+        )
+    )