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import 'package:flutter_test/flutter_test.dart';
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import 'package:qiangbao_accounting/models/account.dart';
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void main() {
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group('余额反算 initialBalanceFor', () {
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// 后端公式：balance = initialBalance + totalIncome - totalExpense
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test('无收支时目标余额就是期初余额', () {
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expect(
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initialBalanceFor(targetBalance: 5000, totalIncome: 0, totalExpense: 0),
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5000,
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);
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});
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test('有收入时需扣除收入', () {
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// 收入 8000，想让余额显示 5000 → 期初 = 5000 - 8000 = -3000
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expect(
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initialBalanceFor(targetBalance: 5000, totalIncome: 8000, totalExpense: 0),
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-3000,
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);
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});
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test('有支出时需加回支出', () {
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// 支出 1200，想让余额显示 5000 → 期初 = 5000 + 1200 = 6200
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expect(
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initialBalanceFor(targetBalance: 5000, totalIncome: 0, totalExpense: 1200),
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6200,
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);
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});
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test('收支都有时综合换算', () {
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// 收 8000 支 1200，目标 5000 → 5000 - 8000 + 1200 = -1800
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expect(
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initialBalanceFor(targetBalance: 5000, totalIncome: 8000, totalExpense: 1200),
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-1800,
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);
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});
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test('换算后余额能被后端公式还原（往返一致）', () {
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const target = 12345.67;
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const income = 8000.0;
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const expense = 3456.78;
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final initial = initialBalanceFor(
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targetBalance: target,
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totalIncome: income,
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totalExpense: expense,
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);
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// 模拟后端计算
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final balance = initial + income - expense;
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expect(balance, closeTo(target, 0.001));
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});
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test('目标余额非法时返回 0', () {
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expect(
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initialBalanceFor(targetBalance: double.nan, totalIncome: 100, totalExpense: 0),
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0,
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);
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expect(
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initialBalanceFor(targetBalance: double.infinity, totalIncome: 0, totalExpense: 0),
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0,
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);
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});
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});
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group('AccountInfo.fromJson 防御性', () {
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test('字段缺失时不抛异常并按公式兜底算余额', () {
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final a = AccountInfo.fromJson({
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'id': '3',
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'initialBalance': '1000',
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'totalIncome': 500,
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'totalExpense': '200.5',
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// name / balance 缺失
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});
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expect(a.id, 3);
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expect(a.name, '默认账户');
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expect(a.initialBalance, 1000);
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expect(a.totalIncome, 500);
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expect(a.totalExpense, 200.5);
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expect(a.balance, 1000 + 500 - 200.5); // 本地兜底计算
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});
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test('后端给了 balance 时优先使用后端值', () {
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final a = AccountInfo.fromJson({
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'initialBalance': 1000,
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'totalIncome': 500,
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'totalExpense': 200,
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'balance': 9999, // 故意与公式不一致
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});
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expect(a.balance, 9999);
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});
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test('完全空对象返回零值账户', () {
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final a = AccountInfo.fromJson({});
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expect(a.balance, 0);
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expect(a.totalIncome, 0);
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expect(a.totalExpense, 0);
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});
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});
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}
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import 'package:flutter_test/flutter_test.dart';
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import 'package:qiangbao_accounting/models/bill.dart';
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import 'package:qiangbao_accounting/utils/amount_util.dart';
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import 'package:qiangbao_accounting/utils/bill_grouping.dart';
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import 'package:qiangbao_accounting/utils/date_util.dart';
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Bill bill({
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required int id,
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required String date,
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required double amount,
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required int type,
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String description = '',
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}) =>
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Bill(
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id: id,
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categoryId: 1,
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categoryName: '餐饮',
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categoryIcon: '🍔',
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amount: amount,
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description: description,
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billDate: date,
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type: type,
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);
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void main() {
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group('月份/周界工具', () {
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test('monthStart 取当月 1 日', () {
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expect(formatDate(monthStart(DateTime(2026, 9, 21))), '2026-09-01');
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});
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test('monthEnd 处理 28/30/31 天与闰年 2 月', () {
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expect(formatDate(monthEnd(DateTime(2026, 9, 5))), '2026-09-30');
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expect(formatDate(monthEnd(DateTime(2026, 2, 5))), '2026-02-28');
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expect(formatDate(monthEnd(DateTime(2028, 2, 5))), '2028-02-29'); // 闰年
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expect(formatDate(monthEnd(DateTime(2026, 12, 5))), '2026-12-31');
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});
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test('shiftMonth 跨年正确', () {
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expect(formatDate(shiftMonth(DateTime(2026, 1, 1), -1)), '2025-12-01');
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expect(formatDate(shiftMonth(DateTime(2026, 12, 1), 1)), '2027-01-01');
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});
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test('weekStart 返回本周一', () {
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// 2026-09-21 是周一
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expect(formatDate(weekStart(DateTime(2026, 9, 21))), '2026-09-21');
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// 周日应回到本周一（9/20 是周日 → 9/14）
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expect(formatDate(weekStart(DateTime(2026, 9, 20))), '2026-09-14');
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// 跨月：2026-10-01 是周四 → 本周一 9/28
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expect(formatDate(weekStart(DateTime(2026, 10, 1))), '2026-09-28');
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});
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test('isSameMonth', () {
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expect(isSameMonth(DateTime(2026, 9, 1), DateTime(2026, 9, 30)), isTrue);
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expect(isSameMonth(DateTime(2026, 9, 1), DateTime(2026, 10, 1)), isFalse);
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});
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test('parseBillDate 兼容 LocalDateTime', () {
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expect(parseBillDate('2026-09-21T12:30:00'), '2026-09-21');
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expect(parseBillDate('2026-09-21 12:30:00'), '2026-09-21');
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expect(parseBillDate('2026-09-21'), '2026-09-21');
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});
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});
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group('金额工具', () {
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test('formatAmount 两位小数并挡掉非法值', () {
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expect(formatAmount(12.5), '12.50');
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expect(formatAmount(null), '0.00');
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expect(formatAmount(double.nan), '0.00');
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expect(formatAmount(double.infinity), '0.00');
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});
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test('formatSignedAmount 按类型给符号（不看金额正负）', () {
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expect(formatSignedAmount(12.0, isExpense: true), '-¥12.00');
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expect(formatSignedAmount(12.0, isExpense: false), '+¥12.00');
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});
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test('percentOf 防除零', () {
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expect(percentOf(25, 100), 25);
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expect(percentOf(25, 0), 0);
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expect(percentOf(0, 0), 0);
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});
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});
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group('账单分组', () {
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test('按日期分组并分别累计支出/收入', () {
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final groups = groupBillsByDate([
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bill(id: 1, date: '2026-09-21', amount: 30, type: 1),
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bill(id: 2, date: '2026-09-21', amount: 20, type: 1),
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bill(id: 3, date: '2026-09-21', amount: 5000, type: 2),
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bill(id: 4, date: '2026-09-20', amount: 15.5, type: 1),
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]);
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expect(groups.length, 2);
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// 保持输入顺序（后端已按日期倒序）
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expect(groups[0].date, '2026-09-21');
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expect(groups[0].bills.length, 3);
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expect(groups[0].expenseTotal, 50);
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expect(groups[0].incomeTotal, 5000);
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// 同日内不重排，保持后端 createTime 倒序
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expect(groups[0].bills.map((b) => b.id).toList(), [1, 2, 3]);
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expect(groups[1].date, '2026-09-20');
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expect(groups[1].expenseTotal, 15.5);
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expect(groups[1].incomeTotal, 0);
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});
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test('空列表返回空分组', () {
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expect(groupBillsByDate([]), isEmpty);
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});
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test('金额恒为正数时按 type 判断收支方向', () {
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final expense = bill(id: 1, date: '2026-09-21', amount: 30, type: 1);
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final income = bill(id: 2, date: '2026-09-21', amount: 30, type: 2);
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expect(expense.isExpense, isTrue);
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expect(income.isExpense, isFalse);
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expect(expense.absAmount, 30);
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});
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});
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group('Bill.fromJson 防御性', () {
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test('字段缺失/类型不符不抛异常', () {
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final b = Bill.fromJson({
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'id': '12', // 字符串数字
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'amount': '35.5', // 字符串金额
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'billDate': '2026-09-21T10:00:00',
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// categoryName / categoryIcon / type 缺失
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});
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expect(b.id, 12);
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expect(b.amount, 35.5);
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expect(b.billDate, '2026-09-21');
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expect(b.categoryName, '未分类');
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expect(b.categoryIcon, '📦');
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expect(b.type, 1); // 缺省按支出
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});
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test('type 为 2 时是收入', () {
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final b = Bill.fromJson({'id': 1, 'amount': 100, 'billDate': '2026-09-21', 'type': 2});
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expect(b.isExpense, isFalse);
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});
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});
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}
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import 'dart:convert';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:qiangbao_accounting/utils/crypto.dart';
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import 'package:qiangbao_accounting/utils/jwt_util.dart';
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/// 构造一个只含 payload 的假 JWT（本地 exp 判断不校验签名）
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String fakeJwt({DateTime? expiredAt, bool withExp = true}) {
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String seg(Map<String, dynamic> m) =>
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base64Url.encode(utf8.encode(jsonEncode(m))).replaceAll('=', '');
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final header = seg({'alg': 'HS512'});
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final payload = seg({
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'sub': 'tester',
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if (withExp)
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'exp': (expiredAt ?? DateTime.now().add(const Duration(hours: 1)))
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.millisecondsSinceEpoch ~/
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1000,
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});
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return '$header.$payload.signature';
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}
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void main() {
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test('crypto encrypt/decrypt roundtrip 与 uniApp 端算法一致', () {
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const password = 'abc12345';
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final encrypted = encryptPassword(password);
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expect(encrypted, isNotEmpty);
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expect(encrypted, isNot(password));
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expect(decryptPassword(encrypted), password);
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});
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group('JWT 过期判断', () {
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test('未来的 exp 视为未过期', () {
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expect(
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isJwtExpired(fakeJwt(expiredAt: DateTime.now().add(const Duration(hours: 1)))),
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isFalse,
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);
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});
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test('过去的 exp 视为已过期', () {
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expect(
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isJwtExpired(fakeJwt(expiredAt: DateTime.now().subtract(const Duration(hours: 1)))),
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isTrue,
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);
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});
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test('即将过期（落在 30 秒余量内）视为已过期', () {
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expect(
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isJwtExpired(fakeJwt(expiredAt: DateTime.now().add(const Duration(seconds: 5)))),
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isTrue,
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);
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});
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test('无 exp 字段不做本地判断，避免误判', () {
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expect(isJwtExpired(fakeJwt(withExp: false)), isFalse);
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});
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test('非 JWT 格式不做本地判断；空 token 视为无效', () {
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expect(isJwtExpired('not-a-jwt'), isFalse);
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expect(isJwtExpired(''), isTrue);
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expect(isJwtExpired(null), isTrue);
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});
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});
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}
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