feat(app): 接入金币充值与会员商品下单

test/commerce/store_api_test.dart

@@ -0,0 +1,87 @@
+// Author: fruit.com.cn
+
+import 'dart:convert';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+import 'package:fruitshorts/core/data/remote/commerce_api.dart';
+
+import '../support/fake_http_adapter.dart';
+
+void main() {
+  test('should_request_coin_packs_when_type_is_given', () async {
+    final adapter = FakeHttpAdapter(
+      (options) async => FakeHttpResponse(
+        jsonEncode({
+          'code': 0,
+          'message': 'ok',
+          'data': [
+            {
+              'id': '2111012753262120962',
+              'code': 'coin_550',
+              'name': '550 Coins',
+              'type': 'COIN_PACK',
+              'coinAmount': '500',
+              'bonusCoin': '50',
+              'totalCoin': '550',
+              'displayPrice': 'Rp 15.000',
+              'currency': 'IDR',
+              'vipDays': 0,
+            },
+          ],
+        }),
+      ),
+    );
+    final api = CommerceApi(
+      ApiClient(baseUrl: 'http://127.0.0.1:8081', adapter: adapter),
+    );
+
+    final products = await api.products(type: 'COIN_PACK');
+
+    final request = adapter.requests.single;
+    expect(request.method, 'GET');
+    expect(request.uri.path, '/app/products');
+    expect(request.queryParameters['type'], 'COIN_PACK');
+    expect(products.single.id, '2111012753262120962');
+    expect(products.single.coinAmount, 500);
+    expect(products.single.bonusCoin, 50);
+    expect(products.single.displayPrice, 'Rp 15.000');
+  });
+
+  test('should_post_product_id_when_creating_an_order', () async {
+    final adapter = FakeHttpAdapter(
+      (options) async => FakeHttpResponse(
+        jsonEncode({
+          'code': 0,
+          'message': 'ok',
+          'data': {
+            'id': '2111012753262120999',
+            'orderNo': 'ORD20261020001',
+            'productId': '2111012753262120962',
+            'productName': '550 Coins',
+            'type': 'COIN_PACK',
+            'coinAmount': '550',
+            'status': 'CREATED',
+            'createdAt': '2026-10-20 10:00:00',
+          },
+        }),
+      ),
+    );
+    final api = CommerceApi(
+      ApiClient(baseUrl: 'http://127.0.0.1:8081', adapter: adapter),
+    );
+
+    final order = await api.createOrder('2111012753262120962');
+
+    final request = adapter.requests.single;
+    expect(request.method, 'POST');
+    expect(request.uri.path, '/app/orders');
+    final body = request.data is String
+        ? jsonDecode(request.data as String)
+        : request.data;
+    expect(body, {'productId': '2111012753262120962'});
+    expect(order.orderNo, 'ORD20261020001');
+    expect(order.coinAmount, 550);
+    expect(order.status, 'CREATED');
+  });
+}

test/commerce/store_controller_test.dart

@@ -0,0 +1,108 @@
+// Author: fruit.com.cn
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/order.dart';
+import 'package:fruitshorts/core/data/models/product.dart';
+import 'package:fruitshorts/core/data/remote/api_exception.dart';
+import 'package:fruitshorts/core/data/repositories/store_repository.dart';
+import 'package:fruitshorts/core/data/services/store_controller.dart';
+
+void main() {
+  test('should_expose_coin_packs_when_store_loads', () async {
+    final repository = _FakeStoreRepository(
+      products: [_product('550 Coins', coinAmount: 500, bonusCoin: 50)],
+    );
+    final controller = StoreController(
+      repository,
+      type: StoreController.coinPackType,
+    );
+
+    await controller.load();
+
+    expect(repository.requestedTypes, [StoreController.coinPackType]);
+    expect(controller.products.single.name, '550 Coins');
+    expect(controller.error, isNull);
+  });
+
+  test('should_create_order_and_keep_purchase_when_buying', () async {
+    final repository = _FakeStoreRepository(
+      products: [_product('550 Coins')],
+      order: const AppOrder(
+        id: '99',
+        orderNo: 'ORD1',
+        productName: '550 Coins',
+        coinAmount: 550,
+        status: 'CREATED',
+      ),
+    );
+    final controller = StoreController(
+      repository,
+      type: StoreController.coinPackType,
+    );
+    await controller.load();
+
+    final order = await controller.buy(controller.products.single);
+
+    expect(repository.orderedProductIds, ['2111012753262120962']);
+    expect(order?.orderNo, 'ORD1');
+    expect(controller.purchaseError, isNull);
+    expect(controller.purchasingProductId, isNull);
+  });
+
+  test('should_expose_server_message_when_order_is_rejected', () async {
+    final repository = _FakeStoreRepository(
+      products: [_product('550 Coins')],
+      orderError: const ApiException(400, 'Product is offline'),
+    );
+    final controller = StoreController(
+      repository,
+      type: StoreController.coinPackType,
+    );
+    await controller.load();
+
+    final order = await controller.buy(controller.products.single);
+
+    expect(order, isNull);
+    expect(controller.purchaseError, 'Product is offline');
+  });
+}
+
+AppProduct _product(String name, {int coinAmount = 550, int bonusCoin = 0}) =>
+    AppProduct(
+      id: '2111012753262120962',
+      code: 'coin_550',
+      name: name,
+      type: StoreController.coinPackType,
+      coinAmount: coinAmount,
+      bonusCoin: bonusCoin,
+      totalCoin: coinAmount + bonusCoin,
+      displayPrice: 'Rp 15.000',
+      vipDays: 0,
+    );
+
+class _FakeStoreRepository implements StoreRepository {
+  _FakeStoreRepository({
+    this.products = const [],
+    this.order,
+    this.orderError,
+  });
+
+  final List<AppProduct> products;
+  final AppOrder? order;
+  final ApiException? orderError;
+  final List<String?> requestedTypes = [];
+  final List<String> orderedProductIds = [];
+
+  @override
+  Future<List<AppProduct>> fetchProducts({String? type}) async {
+    requestedTypes.add(type);
+    return products;
+  }
+
+  @override
+  Future<AppOrder> createOrder(String productId) async {
+    orderedProductIds.add(productId);
+    if (orderError != null) throw orderError!;
+    return order!;
+  }
+}