jiu/client/test/finance_summary_search_test.dart

// test/finance_summary_search_test.dart — 财务「应收/应付 汇总」往来单位筛选回归。
//
// financePartnerRowsProvider（GET /finance/summary）不分页、一次性全量加载，
// 搜索口径=显示口径：
// 桌面（验收反馈改版）：表头「往来单位」内嵌 ComboSearchField（与 _flowTable
// 往来单位筛选同款），单选精确匹配 → 汇总只显示该行；× 清除 → 恢复全量。
// 移动 应收·应付 分段头仍是 MSearchRow 本地 contains 过滤，未改动：
// 1. 输入关键字 → 汇总卡片按往来单位名过滤，未命中不显示；
// 2. 关键字不匹配任何行 → 展示「没有匹配的往来单位」空态；
// 3. 清空关键字 → 恢复全量展示。
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:lucide_icons_flutter/lucide_icons.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:jiu_client/core/api/api_client.dart';
import 'package:jiu_client/core/auth/auth_state.dart';
import 'package:jiu_client/core/models/page_result.dart';
import 'package:jiu_client/core/theme/themes.dart';
import 'package:jiu_client/models/finance.dart';
import 'package:jiu_client/models/partner.dart';
import 'package:jiu_client/models/stock_summary.dart';
import 'package:jiu_client/providers/finance_provider.dart';
import 'package:jiu_client/providers/partner_provider.dart';
import 'package:jiu_client/providers/stock_in_provider.dart';
import 'package:jiu_client/providers/stock_out_provider.dart';
import 'package:jiu_client/repositories/finance_repository.dart';
import 'package:jiu_client/screens/finance/finance_screen.dart';
import 'package:jiu_client/widgets/combo_search_field.dart';
import 'package:jiu_client/widgets/ds/m_search_row.dart' show MSearchRow;

/// 不打真实网络：仅用于满足 FinanceRepository 构造签名，方法全部被覆写。
class _DummyApiClient extends ApiClient {
  _DummyApiClient() : super(token: 'test-token');
}

/// 固定 3 条往来单位汇总（2 应收 + 1 应付），流水列表恒空（本测试不关心流水）。
class _FakeFinanceRepository extends FinanceRepository {
  _FakeFinanceRepository() : super(_DummyApiClient());

  @override
  Future<PageResult<FinanceRecord>> listRecords({
    String? type,
    String? month,
    String? startDate,
    String? endDate,
    int? partnerId,
    int page = 1,
    int pageSize = 50,
  }) async =>
      const PageResult(data: [], total: 0, page: 1, pageSize: 50);

  @override
  Future<List<PartnerFinanceSummary>> partnerSummary() async => const [
        PartnerFinanceSummary(
            partnerId: 1,
            partnerName: '华东酒类批发',
            type: 'receivable',
            recordCount: 2,
            totalAmount: 128400),
        PartnerFinanceSummary(
            partnerId: 2,
            partnerName: '金樽商贸',
            type: 'receivable',
            recordCount: 1,
            totalAmount: 86200),
        PartnerFinanceSummary(
            partnerId: 3,
            partnerName: '茅台华南经销',
            type: 'payable',
            recordCount: 1,
            totalAmount: 142800),
      ];

  @override
  Future<List<TrendPoint>> trend({int months = 6}) async => const [];
}

/// 第 4 条「未挂账供应商」故意不出现在 partnerSummary() 里，用于验证下拉
/// 候选=全量往来单位（而非只列汇总行里出现的单位）：选中它后汇总应展示
/// 既有「没有匹配的往来单位」空态。
class _FakeAllPartners extends PartnerListNotifier {
  @override
  Future<PageResult<Partner>> build() async => const PageResult(
        data: [
          Partner(id: 1, name: '华东酒类批发', type: 'customer'),
          Partner(id: 2, name: '金樽商贸', type: 'customer'),
          Partner(id: 3, name: '茅台华南经销', type: 'supplier'),
          Partner(id: 4, name: '未挂账供应商', type: 'supplier'),
        ],
        total: 4,
        page: 1,
        pageSize: 1000,
      );
}

List<Override> _overrides() => [
      financeRepositoryProvider.overrideWith((ref) => _FakeFinanceRepository()),
      allPartnersProvider.overrideWith(() => _FakeAllPartners()),
      stockOutSummaryProvider.overrideWith((ref) async =>
          const StockSummary(monthAmount: 0, lastMonthAmount: 0)),
      stockInSummaryProvider.overrideWith((ref) async =>
          const StockSummary(monthAmount: 0, lastMonthAmount: 0)),
      isReadonlyProvider.overrideWithValue(false),
    ];

Future<void> _pumpFinance(
  WidgetTester tester, {
  required Size size,
}) async {
  tester.view.physicalSize = size;
  tester.view.devicePixelRatio = 1.0;
  addTearDown(tester.view.resetPhysicalSize);
  addTearDown(tester.view.resetDevicePixelRatio);

  await tester.pumpWidget(ProviderScope(
    overrides: _overrides(),
    child: MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: buildTheme('a'),
      home: const Scaffold(body: FinanceScreen()),
    ),
  ));
  await tester.pumpAndSettle();
}

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  SharedPreferences.setMockInitialValues({});

  group('桌面汇总表头往来单位下拉筛选', () {
    testWidgets('选中往来单位只显示该行，× 清除恢复全量', (tester) async {
      await _pumpFinance(tester, size: const Size(1280, 900));

      // 初始：3 条汇总行全部展示。
      expect(find.text('华东酒类批发'), findsOneWidget);
      expect(find.text('金樽商贸'), findsOneWidget);
      expect(find.text('茅台华南经销'), findsOneWidget);

      // 定位表头内嵌的 ComboSearchField：验收反馈后候选/占位文案与
      // _flowTable toolbar 的往来单位 ComboSearchField 完全同款（同为
      // hint:'往来单位'），不能再靠 hint/显示文字区分；改用构建顺序——
      // 汇总表（_summaryTable）先于流水表（_flowTable）出现在页面里，
      // 故 ComboSearchField 的第一个即汇总表头这个。
      final combo = find.byType(ComboSearchField).first;
      expect(find.byType(ComboSearchField), findsNWidgets(2));
      await tester.ensureVisible(combo);
      await tester.pumpAndSettle();

      // 打开弹层，选中「金樽商贸」。
      await tester.tap(combo);
      await tester.pumpAndSettle();
      await tester.tap(find.widgetWithText(InkWell, '金樽商贸'));
      await tester.pumpAndSettle();

      // 只剩「金樽商贸」一行。
      expect(find.text('华东酒类批发'), findsNothing);
      expect(find.text('茅台华南经销'), findsNothing);
      expect(find.text('金樽商贸'), findsWidgets);

      // 点触发器上的 × 清除选择 → 恢复全量 3 行。
      final clearIcon = find.descendant(
        of: combo,
        matching: find.byIcon(LucideIcons.x),
      );
      expect(clearIcon, findsOneWidget);
      await tester.tap(clearIcon);
      await tester.pumpAndSettle();

      expect(find.text('华东酒类批发'), findsOneWidget);
      expect(find.text('金樽商贸'), findsOneWidget);
      expect(find.text('茅台华南经销'), findsOneWidget);
    });

    testWidgets('候选=全量往来单位；选中汇总里没有行的单位显示空态', (tester) async {
      await _pumpFinance(tester, size: const Size(1280, 900));

      final combo = find.byType(ComboSearchField).first;
      await tester.ensureVisible(combo);
      await tester.pumpAndSettle();
      await tester.tap(combo);
      await tester.pumpAndSettle();

      // 候选来自全量往来单位（4 条，含汇总里没有余额行的「未挂账供应商」），
      // 而不再是「共 3 条结果」（旧口径=当前汇总行往来单位）。
      expect(find.text('共 4 条结果'), findsOneWidget);
      expect(find.widgetWithText(InkWell, '未挂账供应商'), findsOneWidget);

      await tester.tap(find.widgetWithText(InkWell, '未挂账供应商'));
      await tester.pumpAndSettle();

      // 该单位在汇总里没有余额行 → 走既有「没有匹配的往来单位」空态。
      expect(find.text('没有匹配的往来单位'), findsOneWidget);
      expect(find.text('华东酒类批发'), findsNothing);
      expect(find.text('金樽商贸'), findsNothing);
      expect(find.text('茅台华南经销'), findsNothing);
    });
  });

  group('移动应收/应付分段往来单位搜索', () {
    testWidgets('应收分段输入关键字过滤卡片，清空恢复全量', (tester) async {
      await _pumpFinance(tester, size: const Size(390, 1600));

      // 默认「应收」分段：仅展示 recv>0 的两条（华东/金樽），不含应付的茅台。
      expect(find.text('华东酒类批发'), findsOneWidget);
      expect(find.text('金樽商贸'), findsOneWidget);
      expect(find.text('茅台华南经销'), findsNothing);

      final searchField = find.descendant(
        of: find.byType(MSearchRow),
        matching: find.byType(TextField),
      );
      expect(searchField, findsOneWidget);

      await tester.enterText(searchField, '金樽');
      await tester.pumpAndSettle();
      expect(find.text('金樽商贸'), findsOneWidget);
      expect(find.text('华东酒类批发'), findsNothing);

      // 无匹配 → 分段空态。
      await tester.enterText(searchField, '不存在的单位名');
      await tester.pumpAndSettle();
      expect(find.text('没有匹配的往来单位'), findsOneWidget);

      // 清空恢复。
      await tester.enterText(searchField, '');
      await tester.pumpAndSettle();
      expect(find.text('华东酒类批发'), findsOneWidget);
      expect(find.text('金樽商贸'), findsOneWidget);
    });
  });
}