144 lines
5.0 KiB
Dart
144 lines
5.0 KiB
Dart
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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// 图标兜底值是「图标名」不再是 emoji（2026-09-24 换成自绘图标集）
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expect(b.categoryIcon, 'other');
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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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