map finder: quick lists from my listening (top/recent/now/Spotify top/liked), Artist - Title without Spotify, owned playlists via the user token, rich beatmap cards (cover, mapper, status, BPM, length, star chips, preview, osu!direct), mode/status/star filters, DB result cache (music.osu_match_cache)

src/lib/server/osu.test.ts

@@ -1,4 +1,4 @@
-import { expect, it, vi } from 'vitest';
+import { describe, expect, it, vi } from 'vitest';
 vi.mock('$app/env/private', () => ({ OSU_CLIENT_ID: '1', OSU_CLIENT_SECRET: 'test' }));
 import { getOsuMaps } from './osu';
 it('falls back deliberately, merges IDs, reuses OAuth and caches matching results', async () => {
@@ -32,3 +32,31 @@ it('falls back deliberately, merges IDs, reuses OAuth and caches matching result
 		1
 	);
 });
+
+describe('parseBeatmapset', () => {
+	it('keeps the shown fields, fixes preview URLs and sorts difficulties', async () => {
+		const { parseBeatmapset } = await import('./osu');
+		const set = parseBeatmapset({
+			id: 7,
+			title: 'T',
+			artist: 'A',
+			creator: 'mapper',
+			status: 'ranked',
+			preview_url: '//b.ppy.sh/preview/7.mp3',
+			covers: { card: 'https://assets.ppy.sh/c.jpg', list: 'javascript:alert(1)' },
+			beatmaps: [
+				{ id: 2, mode: 'osu', difficulty_rating: 5.123, total_length: 90, version: 'Hard' },
+				{ id: 1, mode: 'osu', difficulty_rating: 2, total_length: 90, version: 'Easy' },
+				{ id: 3, mode: 'bogus' }
+			]
+		});
+		expect(set).toMatchObject({
+			id: 7,
+			creator: 'mapper',
+			preview_url: 'https://b.ppy.sh/preview/7.mp3'
+		});
+		expect(set?.covers?.list).toBeUndefined();
+		expect(set?.beatmaps?.map((d) => d.stars)).toEqual([2, 5.12]);
+		expect(parseBeatmapset({ id: 'x' })).toBeNull();
+	});
+});