feat: release version 1.0.5

src/lib/engine/song-release.test.ts

@@ -0,0 +1,32 @@
+import assert from 'node:assert/strict';
+import test from 'node:test';
+import { isSongReleased, releasedSongCharts, SONG_RELEASE_TIMES } from '../data/song-release.ts';
+
+test('신규 악곡 공개 시각을 HolodoriDB의 한국 시각과 일치시킨다', () => {
+  assert.deepEqual(SONG_RELEASE_TIMES, {
+    m0332: Date.parse('2026-08-19T20:00:00+09:00'),
+    m0353: Date.parse('2026-08-20T00:00:00+09:00'),
+    m0335: Date.parse('2026-08-21T20:00:00+09:00'),
+    m0333: Date.parse('2026-08-23T20:00:00+09:00'),
+    m0336: Date.parse('2026-08-25T20:00:00+09:00')
+  });
+});
+
+test('공개 시각 전에는 신규 악곡을 숨기고 공개 시각부터 표시한다', () => {
+  const releaseTime = SONG_RELEASE_TIMES.m0332;
+
+  assert.equal(isSongReleased('m0332', releaseTime - 1), false);
+  assert.equal(isSongReleased('m0332', releaseTime), true);
+  assert.equal(isSongReleased('existing-song', releaseTime - 1), true);
+});
+
+test('채보 목록에서 공개되지 않은 악곡의 모든 난이도를 제외한다', () => {
+  const charts = [
+    { songId: 'existing-song', difficulty: 'expert' },
+    { songId: 'm0332', difficulty: 'expert' },
+    { songId: 'm0332', difficulty: 'hard' }
+  ];
+
+  assert.deepEqual(releasedSongCharts(charts, SONG_RELEASE_TIMES.m0332 - 1), [charts[0]]);
+  assert.deepEqual(releasedSongCharts(charts, SONG_RELEASE_TIMES.m0332), charts);
+});