已完成用户APP首期功能开发
交付用户端首期页面、配套接口、后台资源及测试文档。用户APP构建、静态分析和三个管理后台构建通过；完整测试仍有2项失败，后端模型注释检查未通过，详见交付记录。
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czl231
188
apps/user_app/test/ui/cart_page_test.dart
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188
apps/user_app/test/ui/cart_page_test.dart
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// 功能描述：购物车服务端确认、失效处理、管理删除与多商品重试回归；版本：1.0.0。
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:go_router/go_router.dart';
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import 'package:user_app/domain/models/cart_item.dart';
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import 'package:user_app/domain/models/primary_models.dart';
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import 'package:user_app/domain/models/shipping_address.dart';
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import 'package:user_app/data/services/api_client.dart';
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import 'package:user_app/ui/features/shop/cart_page.dart';
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import 'package:user_app/ui/core/app_theme.dart';
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import 'package:user_app/ui/features/shop/checkout_page.dart';
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import 'package:user_app/ui/features/shop/product_detail_page.dart';
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import '../support/a1_fixture.dart';
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class _Repo extends A1FixtureRepository {
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List<CartItem> items = [
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const CartItem(
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product: ProductSummary(identity: 'p1', name: '测试商品一', price: 1999, stock: 4),
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quantity: 1,
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selected: true,
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available: true,
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revision: 'one',
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),
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const CartItem(
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product: ProductSummary(identity: 'p2', name: '测试商品二', price: 3000, stock: 5),
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quantity: 2,
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selected: true,
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available: true,
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revision: 'two',
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),
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const CartItem(
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product: ProductSummary(identity: 'p3', name: '失效商品', price: 1000, stock: 0),
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quantity: 1,
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selected: true,
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available: false,
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revision: 'three',
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),
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];
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final submitted = <({String request, int amount, List<CartItem> items})>[];
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int writes = 0;
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bool failWrite = false;
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final targets = <int>[];
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@override
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Future<List<CartItem>> cart() async => List.of(items);
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@override
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Future<CartItem> cartItem(String identity) async =>
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items.firstWhere((i) => i.product.identity == identity);
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@override
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Future<CartItem> setCartItem(
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CartItem item, {
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required int quantity,
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required bool selected,
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}) async {
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writes++;
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targets.add(quantity);
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final updated = CartItem(
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product: item.product,
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quantity: quantity,
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selected: selected,
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available: item.available,
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revision: 'v$writes',
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);
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items = [
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for (final old in items)
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if (old.product.identity != item.product.identity) old else if (quantity > 0) updated,
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];
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if (failWrite) {
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failWrite = false;
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throw const ApiException(500, '结果待确认');
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}
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return updated;
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}
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@override
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Future<Map<String, Object?>> submitCartOrder({
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required String requestNo,
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required List<CartItem> items,
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required ShippingAddress address,
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required int expectedAmount,
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String remark = '',
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}) async {
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submitted.add((request: requestNo, amount: expectedAmount, items: List.of(items)));
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if (submitted.length == 1) throw const ApiException(500, '提交结果未知');
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return {'identity': 'order'};
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}
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}
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Future<GoRouter> _show(WidgetTester tester, _Repo repo, {String path = '/cart'}) async {
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final router = GoRouter(
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initialLocation: path,
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routes: [
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GoRoute(
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path: '/cart',
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builder: (_, s) => CartPage(repository: repo),
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),
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GoRoute(
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path: '/cart/checkout',
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builder: (_, s) => CheckoutPage(repository: repo, productIdentity: '', fromCart: true),
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),
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GoRoute(
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path: '/products/p1',
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builder: (_, s) => ProductDetailPage(repository: repo, identity: 'p1'),
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),
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GoRoute(
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path: '/orders',
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builder: (_, s) => const Scaffold(body: Text('订单列表')),
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),
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GoRoute(
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path: '/payment/shop/:identity',
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builder: (_, s) => Scaffold(body: Text('支付订单 ${s.pathParameters['identity']}')),
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),
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],
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);
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addTearDown(router.dispose);
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await tester.pumpWidget(MaterialApp.router(routerConfig: router, theme: AppTheme.light()));
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await tester.pumpAndSettle();
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return router;
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}
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void main() {
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testWidgets('服务端数量与失败重读，全选、失效取消、管理删除', (tester) async {
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final repo = _Repo();
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await _show(tester, repo);
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expect(find.text('合计：¥79.99'), findsOneWidget);
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expect(find.text('商品已失效'), findsOneWidget);
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repo.failWrite = true;
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await tester.tap(find.byTooltip('增加 测试商品一'));
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await tester.pumpAndSettle();
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expect(repo.items.first.quantity, 2);
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expect(find.text('合计：¥99.98'), findsOneWidget);
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expect(find.text('结果待确认'), findsOneWidget);
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await tester.tap(find.text('重新加载'));
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await tester.pumpAndSettle();
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final invalid = find.descendant(
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of: find.bySemanticsLabel('选择 失效商品'),
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matching: find.byType(Checkbox),
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);
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await tester.scrollUntilVisible(invalid, 180);
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await tester.drag(find.byType(Scrollable).first, const Offset(0, -120));
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await tester.pumpAndSettle();
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await tester.tap(invalid);
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await tester.pumpAndSettle();
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expect(repo.items.last.selected, isFalse);
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await tester.tap(find.text('管理'));
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await tester.pumpAndSettle();
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final all = find.descendant(of: find.bySemanticsLabel('全选商品'), matching: find.byType(Checkbox));
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await tester.tap(all);
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await tester.pumpAndSettle();
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await tester.tap(find.text('删除（3）'));
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await tester.pumpAndSettle();
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await tester.tap(find.widgetWithText(TextButton, '删除'));
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await tester.pumpAndSettle();
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expect(repo.items, isEmpty);
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expect(find.text('购物车还是空的'), findsOneWidget);
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});
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testWidgets('多商品确认与未知结果重试保留同一请求和整数金额', (tester) async {
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final repo = _Repo()..items.removeLast();
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await _show(tester, repo);
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await tester.tap(find.text('去结算（2）'));
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await tester.pumpAndSettle();
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expect(find.text('测试商品一'), findsOneWidget);
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expect(find.text('测试商品二'), findsOneWidget);
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expect(repo.submitted, isEmpty);
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await tester.tap(find.widgetWithText(FilledButton, '提交订单'));
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await tester.pumpAndSettle();
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await tester.tap(find.widgetWithText(FilledButton, '重试提交'));
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await tester.pumpAndSettle();
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expect(repo.submitted.length, 2);
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expect(repo.submitted[0].request, repo.submitted[1].request);
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expect(repo.submitted[0].amount, 7999);
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expect(repo.submitted[1].items.last.quantity, 2);
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expect(find.text('支付订单 order'), findsOneWidget);
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});
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testWidgets('加入购物车未知结果重试不在新数量上重复累加', (tester) async {
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final repo = _Repo()..failWrite = true;
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await _show(tester, repo, path: '/products/p1');
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await tester.ensureVisible(find.text('加入购物车'));
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await tester.tap(find.text('加入购物车'));
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await tester.pumpAndSettle();
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expect(repo.targets, [2]);
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await tester.tap(find.text('重试加入'));
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await tester.pumpAndSettle();
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expect(repo.targets, [2, 2]);
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expect(repo.items.first.quantity, 2);
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});
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}
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