默认重量

tests/Feature/StoreOrderTest.php

@@ -72,6 +72,40 @@ class StoreOrderTest extends ProcurementTestCase
         $this->assertSame('10.00', (string) $order->total_amount, '应按等级价 5.00×2 计算，忽略前端金额');
     }
 
+    /** 下单预填参考重量 = 订货量 × 规格折算（按重量计价的商品订货量即重量），订单总重量 = 明细合计 */
+    public function test_place_order_prefills_reference_weight(): void
+    {
+        $level = CustomerLevelModel::factory()->create();
+        $store = StoreModel::factory()->create(['level_id' => $level->id]);
+        $byBox = ProductModel::factory()->create([
+            'status' => ProductModel::STATUS_ON,
+            'cost_price' => '5.00',
+            'spec' => '10斤/箱',
+            'unit' => '箱',
+        ]);
+        $byJin = ProductModel::factory()->create([
+            'status' => ProductModel::STATUS_ON,
+            'cost_price' => '5.00',
+            'spec' => '散装',
+            'unit' => '斤',
+        ]);
+
+        $this->actingAsMiniStore($store);
+        $this->postJson('/mini/order', [
+            'items' => [
+                ['product_id' => $byBox->id, 'quantity' => 3],
+                ['product_id' => $byJin->id, 'quantity' => 5],
+            ],
+        ])->assertOk()->assertJsonPath('success', true);
+
+        $order = StoreOrderModel::where('store_id', $store->id)->first();
+        $boxItem = $order->items->firstWhere('product_id', $byBox->id);
+        $jinItem = $order->items->firstWhere('product_id', $byJin->id);
+        $this->assertSame('30.000', (string) $boxItem->weight, '3 箱 × 10斤/箱');
+        $this->assertSame('5.000', (string) $jinItem->weight, '按斤计价：订货量即重量');
+        $this->assertSame('35.000', (string) $order->total_weight, '订单总重量 = 明细参考重量合计');
+    }
+
     /** 门店绑定的客户等级被删除时拒绝下单 */
     public function test_store_level_missing_rejected(): void
     {