修复用户端订单列表生命周期与刷新

apps/user_app/test/ui/orders_page_test.dart

@@ -0,0 +1,97 @@
+// 功能描述：验证订单退款成功后的跨标签刷新行为。
+// 版本：1.0.0
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:user_app/data/repositories/client_repository.dart';
+import 'package:user_app/data/services/api_client.dart';
+import 'package:user_app/domain/models/client_models.dart';
+import 'package:user_app/ui/features/orders/orders_page.dart';
+
+/// 提供无需网络的订单数据并记录各列表刷新次数。
+class _FakeRepository extends ClientRepository {
+  _FakeRepository() : super(ApiClient(() => '', baseUrl: 'https://api.example.com'));
+
+  int shopCalls = 0;
+  int gasCalls = 0;
+  int refundCalls = 0;
+  int ticketCalls = 0;
+  int createRefundCalls = 0;
+
+  @override
+  Future<List<ClientRecord>> shopOrders() async {
+    shopCalls += 1;
+    return const [
+      ClientRecord(
+        identity: 'shop-1',
+        title: '商城订单一',
+        subtitle: '',
+        status: 18,
+        raw: {
+          'items': [
+            {'identity': 'item-1', 'quantity': 1},
+          ],
+        },
+      ),
+    ];
+  }
+
+  @override
+  Future<List<ClientRecord>> gasOrders() async {
+    gasCalls += 1;
+    return const [];
+  }
+
+  @override
+  Future<List<ClientRecord>> refunds() async {
+    refundCalls += 1;
+    return const [];
+  }
+
+  @override
+  Future<List<ClientRecord>> tickets() async {
+    ticketCalls += 1;
+    return const [];
+  }
+
+  @override
+  Future<void> createRefund({
+    required String business,
+    required String identity,
+    required String requestNo,
+    required String reason,
+    required List<Map<String, Object?>> items,
+  }) async {
+    createRefundCalls += 1;
+  }
+}
+
+void main() {
+  testWidgets('退款成功后刷新商城订单和退款记录', (tester) async {
+    final repository = _FakeRepository();
+    await tester.pumpWidget(
+      MaterialApp(home: OrdersPage(repository: repository)),
+    );
+    await tester.pumpAndSettle();
+
+    await tester.tap(find.text('退款'));
+    await tester.pumpAndSettle();
+    expect(repository.refundCalls, 1);
+
+    await tester.tap(find.text('商城'));
+    await tester.pumpAndSettle();
+    expect(repository.shopCalls, 1);
+
+    await tester.tap(find.text('商城订单一'));
+    await tester.pumpAndSettle();
+    await tester.tap(find.text('申请退款'));
+    await tester.pumpAndSettle();
+    await tester.enterText(find.byType(TextField), '商品问题');
+    await tester.tap(find.text('提交'));
+    await tester.pumpAndSettle();
+
+    expect(repository.createRefundCalls, 1);
+    expect(repository.shopCalls, 2);
+    expect(repository.refundCalls, 2);
+    expect(tester.takeException(), isNull);
+  });
+}

apps/user_app/test/ui/record_list_page_test.dart

@@ -0,0 +1,45 @@
+// 功能描述：验证记录列表在父组件重建和刷新标记变化时的生命周期。
+// 版本：1.0.0
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:user_app/domain/models/client_models.dart';
+import 'package:user_app/ui/features/shared/record_list_page.dart';
+
+void main() {
+  testWidgets('普通重建不重复请求，刷新标记变化才重新加载', (tester) async {
+    var calls = 0;
+    var refreshToken = 0;
+    late StateSetter rebuild;
+    Future<List<ClientRecord>> loader() async {
+      calls += 1;
+      return const [];
+    }
+
+    await tester.pumpWidget(
+      MaterialApp(
+        home: StatefulBuilder(
+          builder: (context, setState) {
+            rebuild = setState;
+            return RecordListPage(
+              title: '测试列表',
+              eyebrow: '测试',
+              sourceKey: 'records',
+              loader: loader,
+              refreshToken: refreshToken,
+            );
+          },
+        ),
+      ),
+    );
+    await tester.pumpAndSettle();
+    expect(calls, 1);
+
+    rebuild(() {});
+    await tester.pumpAndSettle();
+    expect(calls, 1);
+
+    rebuild(() => refreshToken += 1);
+    await tester.pumpAndSettle();
+    expect(calls, 2);
+  });
+}

apps/user_app/test/ui/record_list_view_model_test.dart

@@ -0,0 +1,52 @@
+// 功能描述：验证记录列表异步请求的代次与销毁保护。
+// 版本：1.0.0
+import 'dart:async';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:user_app/domain/models/client_models.dart';
+import 'package:user_app/ui/features/shared/record_list_view_model.dart';
+
+ClientRecord _record(String identity) => ClientRecord(
+  identity: identity,
+  title: identity,
+  subtitle: '',
+  raw: const {},
+);
+
+void main() {
+  test('后发请求优先，旧结果不会覆盖新数据', () async {
+    final first = Completer<List<ClientRecord>>();
+    final second = Completer<List<ClientRecord>>();
+    var calls = 0;
+    final viewModel = RecordListViewModel(() {
+      calls += 1;
+      return calls == 1 ? first.future : second.future;
+    });
+
+    final firstLoad = viewModel.load();
+    final secondLoad = viewModel.load();
+    second.complete([_record('new')]);
+    await secondLoad;
+    first.complete([_record('old')]);
+    await firstLoad;
+
+    expect(viewModel.records.single.identity, 'new');
+    expect(viewModel.loading, isFalse);
+    viewModel.dispose();
+  });
+
+  test('销毁后异步结果不会继续通知监听器', () async {
+    final pending = Completer<List<ClientRecord>>();
+    final viewModel = RecordListViewModel(() => pending.future);
+    var notifications = 0;
+    viewModel.addListener(() => notifications += 1);
+
+    final load = viewModel.load();
+    expect(notifications, 1);
+    viewModel.dispose();
+    pending.complete([_record('late')]);
+    await load;
+
+    expect(notifications, 1);
+  });
+}