From 27c08bcb5efbe705438c2ff6751f49ea789815f9 Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Thu, 13 Jun 2024 11:57:45 +0200
Subject: [PATCH] Fix dangerous-default-value warnings in lastfm tests
 (#119601)

---
 tests/components/lastfm/__init__.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/tests/components/lastfm/__init__.py b/tests/components/lastfm/__init__.py
index 8f133607c8d..9fe946f8dff 100644
--- a/tests/components/lastfm/__init__.py
+++ b/tests/components/lastfm/__init__.py
@@ -6,6 +6,7 @@ from pylast import PyLastError, Track
 
 from homeassistant.components.lastfm.const import CONF_MAIN_USER, CONF_USERS
 from homeassistant.const import CONF_API_KEY
+from homeassistant.helpers.typing import UNDEFINED, UndefinedType
 
 API_KEY = "asdasdasdasdasd"
 USERNAME_1 = "testaccount1"
@@ -52,16 +53,16 @@ class MockUser:
         username: str = USERNAME_1,
         now_playing_result: Track | None = None,
         thrown_error: Exception | None = None,
-        friends: list = [],
-        recent_tracks: list[Track] = [],
-        top_tracks: list[Track] = [],
+        friends: list | UndefinedType = UNDEFINED,
+        recent_tracks: list[Track] | UndefinedType = UNDEFINED,
+        top_tracks: list[Track] | UndefinedType = UNDEFINED,
     ) -> None:
         """Initialize the mock."""
         self._now_playing_result = now_playing_result
         self._thrown_error = thrown_error
-        self._friends = friends
-        self._recent_tracks = recent_tracks
-        self._top_tracks = top_tracks
+        self._friends = [] if friends is UNDEFINED else friends
+        self._recent_tracks = [] if recent_tracks is UNDEFINED else recent_tracks
+        self._top_tracks = [] if top_tracks is UNDEFINED else top_tracks
         self.name = username
 
     def get_name(self, capitalized: bool) -> str: