chore: directory migration - gateway→server, web→client/electron
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268
client/electron/test/components/lunar.test.tsx
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268
client/electron/test/components/lunar.test.tsx
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import { describe, it, expect } from 'vitest';
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import {
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fromSolar, toSolar, leapMonth, daysInMonth,
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addLunarMonths, addLunarYears,
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formatLunarFull, formatLunarShort, cellLunarLabel, lunarDayName,
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formatSolarWithLunar, isLunarRecurrence,
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nextOccurrence, addSolarMonthsClamped, upcomingOccurrences,
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describeRecurrenceRule
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} from '../../src/lib/lunar';
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describe('公历 ↔ 农历', () => {
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it('已知锚点', () => {
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const d = fromSolar(new Date(2026, 8, 3));
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expect(d).toEqual({ year: 2026, month: 7, day: 22 });
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});
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it('闰月用负数月份表示', () => {
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// 2025 有闰六月
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expect(leapMonth(2025)).toBe(6);
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const d = fromSolar(new Date(2025, 6, 25)); // 2025-07-25
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expect(d.month).toBe(-6);
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expect(d.day).toBe(1);
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});
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it('无闰月的年份返回 0', () => {
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expect(leapMonth(2026)).toBe(0);
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expect(leapMonth(2027)).toBe(0);
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});
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it('往返不丢日期', () => {
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for (const [y, m, dd] of [[2026, 8, 3], [2027, 1, 14], [2025, 6, 25]] as const) {
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const solar = new Date(y, m, dd);
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const lunar = fromSolar(solar);
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const back = toSolar(lunar, 9, 30);
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expect(back).not.toBeNull();
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expect(back!.clamped).toBe(false);
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expect(back!.date.getFullYear()).toBe(y);
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expect(back!.date.getMonth()).toBe(m);
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expect(back!.date.getDate()).toBe(dd);
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// 时钟原样带过去（农历只定义到「日」）
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expect(back!.date.getHours()).toBe(9);
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expect(back!.date.getMinutes()).toBe(30);
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}
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});
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});
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describe('短月份夹取', () => {
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it('2027 农历九月只有 29 天', () => {
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expect(daysInMonth(2027, 9)).toBe(29);
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expect(daysInMonth(2026, 1)).toBe(30);
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});
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// 库在 Lunar.fromYmd(2027,9,30) 上直接 throw。
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// 「每月农历三十」必然撞上 29 天的月份，不夹住就是整片白屏。
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it('要三十而该月只有廿九时夹到廿九，不抛错', () => {
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const r = toSolar({ year: 2027, month: 9, day: 30 }, 9, 0);
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expect(r).not.toBeNull();
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expect(r!.clamped).toBe(true);
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// 夹取后必须仍在同一个农历月内（滚到下月初一是错的）
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expect(fromSolar(r!.date).month).toBe(9);
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expect(fromSolar(r!.date).day).toBe(29);
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});
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it('不存在的闰月返回 null 而不是猜一个日子', () => {
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expect(daysInMonth(2026, -6)).toBe(0);
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expect(toSolar({ year: 2026, month: -6, day: 1 })).toBeNull();
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});
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it('非法日返回 null', () => {
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expect(toSolar({ year: 2026, month: 1, day: 0 })).toBeNull();
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expect(toSolar({ year: 2026, month: 13, day: 1 })).toBeNull();
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});
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});
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describe('农历推进', () => {
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it('加月跨年', () => {
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expect(addLunarMonths({ year: 2026, month: 12, day: 5 }, 1)).toEqual({ year: 2027, month: 1, day: 5 });
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});
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it('推 12 次回到次年同月', () => {
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expect(addLunarMonths({ year: 2026, month: 7, day: 22 }, 12))
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.toEqual({ year: 2027, month: 7, day: 22 });
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});
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// 「每月十五」的期望是一年 12 次，把闰月算进去会让闰年多一次
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it('从闰月出发先归正月份', () => {
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expect(addLunarMonths({ year: 2025, month: -6, day: 15 }, 1).month).toBe(7);
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});
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it('加年保持月日', () => {
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expect(addLunarYears({ year: 2026, month: 7, day: 22 }, 1))
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.toEqual({ year: 2027, month: 7, day: 22 });
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});
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// 静默让重复事件消失比退回正月份更糟
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it('目标年无同一闰月时退回正月份', () => {
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expect(addLunarYears({ year: 2025, month: -6, day: 15 }, 1))
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.toEqual({ year: 2026, month: 6, day: 15 });
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});
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});
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describe('中文表示', () => {
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it('完整表示', () => {
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expect(formatLunarFull({ year: 2026, month: 7, day: 22 })).toBe('二〇二六年七月廿二');
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});
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it('闰月带「闰」字', () => {
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expect(formatLunarFull({ year: 2025, month: -6, day: 1 })).toBe('二〇二五年闰六月初一');
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});
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it('短表示去掉年份', () => {
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expect(formatLunarShort({ year: 2026, month: 7, day: 22 })).toBe('七月廿二');
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});
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// 日名有五种前缀形态（初一/十一/二十/廿一/三十），
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// 用正则截取时「二十」曾被漏掉
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it('日名查表覆盖全部 30 天', () => {
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const names = Array.from({ length: 30 }, (_, i) => lunarDayName(i + 1));
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expect(names[0]).toBe('初一');
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expect(names[9]).toBe('初十');
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expect(names[10]).toBe('十一');
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expect(names[19]).toBe('二十');
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expect(names[20]).toBe('廿一');
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expect(names[29]).toBe('三十');
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expect(new Set(names).size).toBe(30); // 无重复
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expect(names.every(n => n.length === 2)).toBe(true);
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});
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it('格子标记：初一显示月名，其余显示日名', () => {
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// 2026-08-13 是农历七月初一
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const firstDay = toSolar({ year: 2026, month: 7, day: 1 })!.date;
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expect(cellLunarLabel(firstDay)).toBe('七月');
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expect(cellLunarLabel(new Date(2026, 8, 3))).toBe('廿二');
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});
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it('闰月初一的格子标记带「闰」', () => {
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const leapFirst = toSolar({ year: 2025, month: -6, day: 1 })!.date;
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expect(cellLunarLabel(leapFirst)).toBe('闰六月');
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});
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it('公历+农历合并显示', () => {
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expect(formatSolarWithLunar(new Date(2026, 8, 3))).toBe('2026-09-03（农历七月廿二）');
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});
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});
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describe('nextOccurrence 与后端 repo.NextOccurrence 对齐', () => {
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const base = new Date(2026, 8, 3, 9, 30);
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it('公历三种', () => {
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expect(nextOccurrence('daily', base)!.getDate()).toBe(4);
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expect(nextOccurrence('weekly', base)!.getDate()).toBe(10);
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expect(nextOccurrence('monthly', base)!.getMonth()).toBe(9);
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});
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it('公历每年', () => {
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const n = nextOccurrence('yearly', base)!;
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expect(n.getFullYear()).toBe(2027);
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expect(n.getMonth()).toBe(8);
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expect(n.getDate()).toBe(3);
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});
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it('none 与未知值给 null', () => {
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expect(nextOccurrence('none', base)).toBeNull();
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expect(nextOccurrence('每隔一个蓝月亮', base)).toBeNull();
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});
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it('时钟保留', () => {
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for (const r of ['daily', 'weekly', 'monthly', 'yearly', 'lunar_monthly', 'lunar_yearly']) {
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const n = nextOccurrence(r, base);
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expect(n).not.toBeNull();
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expect(n!.getHours()).toBe(9);
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expect(n!.getMinutes()).toBe(30);
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}
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});
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});
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// setMonth 的溢出（3月31日 +1月 = 5月1日）会永久改变规则：
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// 31 日的事件在 2 月变成 3 月 3 日，然后从此每月 3 日提醒
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describe('公历月末夹取', () => {
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it.each([
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['2026-01-31', 1, '2026-02-28'],
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['2026-03-31', 1, '2026-04-30'],
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['2028-01-31', 1, '2028-02-29'],
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['2028-02-29', 12, '2029-02-28'],
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['2026-01-15', 1, '2026-02-15']
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])('%s + %i 月 → %s', (from, n, want) => {
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const [y, m, d] = from.split('-').map(Number);
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const got = addSolarMonthsClamped(new Date(y, m - 1, d), n);
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const pad = (x: number) => String(x).padStart(2, '0');
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expect(`${got.getFullYear()}-${pad(got.getMonth() + 1)}-${pad(got.getDate())}`).toBe(want);
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});
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});
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describe('农历重复的公历漂移', () => {
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it('农历月间隔在 29~30 天之间浮动，不是固定值', () => {
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let cur = new Date(2026, 8, 3, 9, 0);
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const gaps = new Set<number>();
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for (let i = 0; i < 6; i++) {
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const next = nextOccurrence('lunar_monthly', cur)!;
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expect(next.getTime()).toBeGreaterThan(cur.getTime());
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gaps.add(Math.round((next.getTime() - cur.getTime()) / 86400000));
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// 农历「日」保持不变
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expect(fromSolar(next).day).toBe(22);
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cur = next;
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}
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expect(gaps.size).toBeGreaterThan(1);
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for (const g of gaps) expect(g).toBeGreaterThanOrEqual(28);
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for (const g of gaps) expect(g).toBeLessThanOrEqual(31);
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});
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// 这是农历规则存在的理由：用公历 yearly 日子会固定，
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// 与「过农历生日/祭日」的期望不符
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it('农历年推进时公历月日每年都变', () => {
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let cur = new Date(2026, 8, 3, 9, 0);
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const seen = new Set<string>();
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for (let i = 0; i < 5; i++) {
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const next = nextOccurrence('lunar_yearly', cur)!;
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const d = fromSolar(next);
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expect(d.month).toBe(7);
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expect(d.day).toBe(22);
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seen.add(`${next.getMonth() + 1}-${next.getDate()}`);
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cur = next;
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}
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expect(seen.size).toBeGreaterThanOrEqual(3);
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});
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});
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describe('upcomingOccurrences', () => {
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it('给出连续递增的 n 次', () => {
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const list = upcomingOccurrences('lunar_monthly', new Date(2026, 8, 3, 9, 0), 3);
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expect(list).toHaveLength(3);
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for (let i = 1; i < list.length; i++) {
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expect(list[i].getTime()).toBeGreaterThan(list[i - 1].getTime());
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}
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});
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it('不重复时给空数组', () => {
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expect(upcomingOccurrences('none', new Date(), 3)).toEqual([]);
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});
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});
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describe('describeRecurrenceRule', () => {
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it('公历规则', () => {
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expect(describeRecurrenceRule('none')).toBe('不重复');
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expect(describeRecurrenceRule('daily')).toBe('每天');
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expect(describeRecurrenceRule('weekly')).toBe('每周');
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expect(describeRecurrenceRule('monthly')).toBe('每月');
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expect(describeRecurrenceRule('yearly')).toBe('每年');
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});
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it('农历规则把农历日子写出来', () => {
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const t = new Date(2026, 8, 3);
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expect(describeRecurrenceRule('lunar_monthly', t)).toBe('每农历月廿二');
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expect(describeRecurrenceRule('lunar_yearly', t)).toBe('每年农历七月廿二');
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});
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it('无事件时间时退回泛化描述', () => {
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expect(describeRecurrenceRule('lunar_monthly')).toBe('每农历月同一日');
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expect(describeRecurrenceRule('lunar_yearly')).toBe('每农历年同月同日');
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});
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it('isLunarRecurrence', () => {
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expect(isLunarRecurrence('lunar_monthly')).toBe(true);
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expect(isLunarRecurrence('lunar_yearly')).toBe(true);
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expect(isLunarRecurrence('monthly')).toBe(false);
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expect(isLunarRecurrence('yearly')).toBe(false);
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});
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});
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