HOT ARCHIVE 정렬 기준

2026-10-05 22:48:10 +09:00
parent cf608a1d99
commit e7010010bb
2 changed files with 163 additions and 11 deletions
@@ -0,0 +1,52 @@
+import 'package:fancake/features/home/home_repository_firestore.dart'
+    show HotArchiveRule, hotArchiveOrder;
+import 'package:flutter_test/flutter_test.dart';
+
+/// HOT ARCHIVE — Figma `2097:16415` 「목표 달성 임박 > 실시간 기여 급증 > 신규 등록, 최대 5개」.
+void main() {
+  final t0 = DateTime(2026, 10, 1);
+  ({String id, double percent, int recentPop, DateTime createdAt}) c(
+    String id,
+    double percent,
+    int recent,
+    int day,
+  ) => (
+    id: id,
+    percent: percent,
+    recentPop: recent,
+    createdAt: t0.add(Duration(days: day)),
+  );
+
+  test('임박 → 급증 → 신규 순이고 5건까지만', () {
+    final order = hotArchiveOrder([
+      c('old', 10, 0, 0),
+      c('new', 10, 0, 5),
+      c('surge-small', 20, 100, 1),
+      c('surge-big', 30, 900, 0),
+      c('imminent-90', 90, 0, 0),
+      c('imminent-99', 99, 0, 0),
+      c('rich-but-slow', 70, 0, 6),
+    ], const HotArchiveRule());
+    expect(order, [
+      'imminent-99',
+      'imminent-90',
+      'surge-big',
+      'surge-small',
+      'rich-but-slow',
+    ]);
+  });
+
+  test('기준값은 운영값(config/policy.hotArchive)을 따르고 없으면 임시값', () {
+    expect(HotArchiveRule.from(null).imminentPercent, 80);
+    expect(HotArchiveRule.from(null).surgeWindow, const Duration(minutes: 60));
+    final rule = HotArchiveRule.from({
+      'hotArchive': {'imminentPercent': 95, 'surgeWindowMinutes': 30},
+    });
+    expect(rule.imminentPercent, 95);
+    expect(rule.surgeWindow, const Duration(minutes: 30));
+    expect(
+      hotArchiveOrder([c('a', 90, 0, 0), c('b', 10, 5, 0)], rule),
+      ['b', 'a'],
+    );
+  });
+}