jiu/client/test/stock_out_insufficient_stock_flow_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:go_router/go_router.dart';
import 'package:jiu_client/core/api/api_client.dart';
import 'package:jiu_client/core/exceptions.dart';
import 'package:jiu_client/core/models/page_result.dart';
import 'package:jiu_client/models/inventory.dart';
import 'package:jiu_client/models/partner.dart';
import 'package:jiu_client/models/product.dart';
import 'package:jiu_client/models/stock_out.dart';
import 'package:jiu_client/models/warehouse.dart';
import 'package:jiu_client/providers/inventory_provider.dart';
import 'package:jiu_client/providers/partner_provider.dart';
import 'package:jiu_client/providers/product_provider.dart';
import 'package:jiu_client/providers/stock_out_provider.dart';
import 'package:jiu_client/providers/warehouse_provider.dart';
import 'package:jiu_client/repositories/inventory_repository.dart';
import 'package:jiu_client/screens/stock_out/stock_out_form_screen.dart';

class _FakeWarehouseNotifier extends WarehouseListNotifier {
  @override
  Future<List<Warehouse>> build() async {
    return const [
      Warehouse(id: 1, name: '主仓库', isDefault: true),
    ];
  }

  @override
  Future<void> reload() async {}
}

class _FakeCustomerNotifier extends PartnerListNotifier {
  _FakeCustomerNotifier() : super(type: 'customer');

  @override
  Future<PageResult<Partner>> build() async {
    return const PageResult(
      data: [
        Partner(id: 2, name: '王记饭店', type: 'customer'),
      ],
      total: 1,
      page: 1,
      pageSize: 20,
    );
  }

  @override
  void reload() {}
}

class _FakeProductNotifier extends ProductListNotifier {
  @override
  Future<PageResult<Product>> build() async {
    return const PageResult(
      data: [
        Product(
          id: 1,
          code: 'P001',
          name: '五粮液',
          spec: '500ml',
          unit: '瓶',
          salePrice: 120,
        ),
      ],
      total: 1,
      page: 1,
      pageSize: 20,
    );
  }

  @override
  void reload() {}

  @override
  void setKeyword(String keyword) {}

  @override
  void setPage(int page) {}

  @override
  Future<void> createProduct(Map<String, dynamic> data) async {}

  @override
  Future<void> updateProduct(int id, Map<String, dynamic> data) async {}

  @override
  Future<void> deleteProduct(int id) async {}
}

class _FakeInventoryRepository extends InventoryRepository {
  _FakeInventoryRepository() : super(_DummyApiClient());

  @override
  Future<PageResult<Inventory>> listInventory({
    int? warehouseId,
    String? keyword,
    int page = 1,
    int pageSize = 50,
  }) async {
    return const PageResult(
      data: [
        Inventory(
          warehouseId: 1,
          warehouseName: '主仓库',
          productId: 1,
          productName: '五粮液',
          productUnit: '瓶',
          quantity: 1,
        ),
      ],
      total: 1,
      page: 1,
      pageSize: 50,
    );
  }
}

class _DummyApiClient extends ApiClient {
  _DummyApiClient() : super(token: 'test-token');
}

class _FailingStockOutNotifier extends StockOutListNotifier {
  @override
  Future<PageResult<StockOutOrder>> build() async {
    return const PageResult(data: [], total: 0, page: 1, pageSize: 20);
  }

  @override
  void reload() {}

  @override
  void setPage(int page) {}

  @override
  void setStatus(String status) {}

  @override
  void setDateRange(String? startDate, String? endDate) {}

  @override
  Future<void> createOrder(Map<String, dynamic> data) async {
    throw const AppException('库存不足：五粮液 当前库存 1，需要 5', statusCode: 400);
  }

  @override
  Future<void> deleteOrder(int id) async {}

  @override
  Future<void> submitOrder(int id) async {}

  @override
  Future<void> approveOrder(int id) async {}

  @override
  Future<void> rejectOrder(int id) async {}
}

void main() {
  // TODO: 表单 DropdownButtonFormField 数量已变更，测试待更新
  testWidgets('stock-out form shows insufficient stock error on submit',
      skip: true, (tester) async {
    tester.view.physicalSize = const Size(1440, 1200);
    tester.view.devicePixelRatio = 1.0;
    addTearDown(tester.view.resetPhysicalSize);

    final router = GoRouter(
      initialLocation: '/stock-out/new',
      routes: [
        GoRoute(
          path: '/stock-out',
          builder: (_, __) => const Scaffold(body: Text('stock-out list')),
        ),
        GoRoute(
          path: '/stock-out/new',
          builder: (_, __) => const StockOutFormScreen(),
        ),
      ],
    );

    await tester.pumpWidget(
      ProviderScope(
        overrides: [
          warehouseListProvider.overrideWith(() => _FakeWarehouseNotifier()),
          customerListProvider.overrideWith(() => _FakeCustomerNotifier()),
          productListProvider.overrideWith(() => _FakeProductNotifier()),
          stockOutListProvider.overrideWith(() => _FailingStockOutNotifier()),
          inventoryRepositoryProvider.overrideWith(
            (ref) => _FakeInventoryRepository(),
          ),
        ],
        child: MaterialApp.router(routerConfig: router),
      ),
    );
    await tester.pumpAndSettle();

    await tester.tap(find.byType(DropdownButtonFormField<int>).at(0));
    await tester.pumpAndSettle();
    await tester.tap(find.text('主仓库').last);
    await tester.pumpAndSettle();

    await tester.tap(find.byType(DropdownButtonFormField<int>).at(2));
    await tester.pumpAndSettle();
    await tester.tap(find.text('五粮液（500ml）').last);
    await tester.pumpAndSettle();

    await tester.enterText(find.byType(TextFormField).at(1), '5');
    await tester.tap(find.text('提交审核'));
    await tester.pump();
    await tester.pumpAndSettle();

    expect(find.textContaining('库存不足'), findsOneWidget);
    expect(find.text('stock-out list'), findsNothing);
  });
}