test(client): 出入库状态多选语义与默认仓库填充回归用例

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

client/test/stock_in_form_pick_test.dart

@@ -2,13 +2,18 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_test/flutter_test.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/theme/themes.dart';
 import 'package:jiu_client/models/product_option.dart';
+import 'package:jiu_client/models/stock_in.dart';
 import 'package:jiu_client/models/warehouse.dart';
+import 'package:jiu_client/providers/stock_in_provider.dart';
 import 'package:jiu_client/providers/warehouse_provider.dart';
 import 'package:jiu_client/providers/product_option_provider.dart';
+import 'package:jiu_client/repositories/stock_in_repository.dart';
 import 'package:jiu_client/screens/stock_in/stock_in_form_screen.dart';
+import 'package:jiu_client/widgets/ds/grid_combo_cell.dart';
 
 class _FakeWarehouses extends WarehouseListNotifier {
   @override
@@ -16,6 +21,23 @@ class _FakeWarehouses extends WarehouseListNotifier {
       const [Warehouse(id: 1, name: '主仓', isDefault: true)];
 }
 
+/// 可配置仓库列表的假 notifier（T5 默认仓填充回归用）。
+class _ConfigurableWarehouses extends WarehouseListNotifier {
+  final List<Warehouse> _list;
+  _ConfigurableWarehouses(this._list);
+  @override
+  Future<List<Warehouse>> build() async => _list;
+}
+
+/// 编辑模式假仓库：get() 返回固定单据（供 _loadEditOrder 消费）。
+class _FakeStockInRepoForEdit extends StockInRepository {
+  final StockInOrder order;
+  _FakeStockInRepoForEdit(this.order) : super(ApiClient(token: 't'));
+
+  @override
+  Future<StockInOrder> get(int id) async => order;
+}
+
 class _FakeNames extends ProductNameListNotifier {
   @override
   Future<List<ProductNameOption>> build() async => const [
@@ -85,4 +107,102 @@ void main() {
     expect(find.text('选择商品名称'), findsNothing,
         reason: 'hint should be replaced by the picked name');
   });
+
+  // ── T5：新建入库单默认填充默认仓库（2026-07-14）──────────────────────
+  //
+  // _initWarehouseDefault 语义：仓库列表加载完成后，
+  //   isDefault 的仓 优先；无默认时仅剩 1 个仓才取它；否则保持未选（null）。
+  //   编辑模式不受影响（_loadEditOrder 已从单据自身仓库回填）。
+
+  int? _warehouseSelectedId(WidgetTester tester) => tester
+      .widgetList<GridComboCell>(find.byType(GridComboCell))
+      .firstWhere((c) => c.hint == '选择仓库…')
+      .selectedId;
+
+  Future<void> _pumpForm(WidgetTester tester, List<Override> overrides,
+      {int? editOrderId}) async {
+    tester.view.physicalSize = const Size(1400, 1000);
+    tester.view.devicePixelRatio = 1.0;
+    addTearDown(tester.view.resetPhysicalSize);
+    await tester.pumpWidget(ProviderScope(
+      overrides: overrides,
+      child: MaterialApp(
+        theme: buildTheme('a'),
+        home: Scaffold(body: StockInFormScreen(editOrderId: editOrderId)),
+      ),
+    ));
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 100));
+    // _initWarehouseDefault / _loadEditOrder 都是异步（await provider.future），
+    // 多 pump 几拍确保 setState 落地。
+    await tester.pump(const Duration(milliseconds: 100));
+  }
+
+  testWidgets('新建入库单：有默认仓（isDefault=true）时自动选中默认仓',
+      (tester) async {
+    await _pumpForm(tester, [
+      warehouseListProvider.overrideWith(() => _FakeWarehouses()), // 主仓 isDefault
+      productNameListProvider.overrideWith(() => _FakeNames()),
+      productSeriesListProvider.overrideWith(() => _FakeSeries()),
+      productSpecListProvider.overrideWith(() => _FakeSpecs()),
+      isReadonlyProvider.overrideWithValue(false),
+    ]);
+    expect(_warehouseSelectedId(tester), 1);
+  });
+
+  testWidgets('新建入库单：无默认仓且多仓时保持未选', (tester) async {
+    await _pumpForm(tester, [
+      warehouseListProvider.overrideWith(() => _ConfigurableWarehouses(const [
+            Warehouse(id: 1, name: '主仓', isDefault: false),
+            Warehouse(id: 2, name: '分仓', isDefault: false),
+          ])),
+      productNameListProvider.overrideWith(() => _FakeNames()),
+      productSeriesListProvider.overrideWith(() => _FakeSeries()),
+      productSpecListProvider.overrideWith(() => _FakeSpecs()),
+      isReadonlyProvider.overrideWithValue(false),
+    ]);
+    expect(_warehouseSelectedId(tester), isNull);
+  });
+
+  testWidgets('新建入库单：无默认仓但仅有 1 个仓时自动选中该仓', (tester) async {
+    await _pumpForm(tester, [
+      warehouseListProvider.overrideWith(() => _ConfigurableWarehouses(const [
+            Warehouse(id: 7, name: '唯一仓', isDefault: false),
+          ])),
+      productNameListProvider.overrideWith(() => _FakeNames()),
+      productSeriesListProvider.overrideWith(() => _FakeSeries()),
+      productSpecListProvider.overrideWith(() => _FakeSpecs()),
+      isReadonlyProvider.overrideWithValue(false),
+    ]);
+    expect(_warehouseSelectedId(tester), 7);
+  });
+
+  testWidgets('编辑模式：不被默认仓覆盖，仍显示单据原仓库', (tester) async {
+    const order = StockInOrder(
+      id: 99,
+      orderNo: 'SI2024010099',
+      warehouseId: 2, // 单据原仓库 = 分仓（非默认仓）
+      status: 'draft',
+      items: [],
+    );
+    await _pumpForm(
+      tester,
+      [
+        // 主仓（id=1）isDefault=true，若默认仓填充逻辑误在编辑模式生效会把它选中，
+        // 但单据自身仓库是 id=2，回归断言二者不一致时以单据为准。
+        warehouseListProvider.overrideWith(() => _ConfigurableWarehouses(const [
+              Warehouse(id: 1, name: '主仓', isDefault: true),
+              Warehouse(id: 2, name: '分仓', isDefault: false),
+            ])),
+        stockInRepositoryProvider
+            .overrideWithValue(_FakeStockInRepoForEdit(order)),
+        productNameListProvider.overrideWith(() => _FakeNames()),
+        productSeriesListProvider.overrideWith(() => _FakeSeries()),
+        productSpecListProvider.overrideWith(() => _FakeSpecs()),
+        isReadonlyProvider.overrideWithValue(false),
+      ],
+      editOrderId: 99,
+    );
+    expect(_warehouseSelectedId(tester), 2);
+  });
 }