默认重量

tests/Feature/PurchaseGenerateTest.php

@@ -139,4 +139,30 @@ class PurchaseGenerateTest extends ProcurementTestCase
 
         $this->assertSame(1, PurchaseOrderModel::count(), '第二次生成应被拒绝，不产生新采购单');
     }
+
+    /** 采购单总重量 = 订货明细参考重量合计（下单时已按订货量 × 规格预填） */
+    public function test_generate_sums_reference_weight(): void
+    {
+        $level = CustomerLevelModel::factory()->create();
+        $store = StoreModel::factory()->create(['level_id' => $level->id]);
+        $product = ProductModel::factory()->create([
+            'status' => ProductModel::STATUS_ON,
+            'cost_price' => '6.00',
+            'spec' => '10斤/箱',
+            'unit' => '箱',
+        ]);
+
+        $this->actingAsMiniStore($store);
+        foreach ([3, 4] as $qty) {
+            $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => $qty]]])
+                ->assertJsonPath('success', true);
+        }
+        StoreOrderModel::query()->update(['status' => StoreOrderModel::STATUS_SUMMARIZED]);
+
+        $this->actingAsSysUser();
+        $this->postJson('/purchase/order/generate', ['purchase_date' => now()->toDateString()])
+            ->assertJsonPath('success', true);
+
+        $this->assertSame('70.000', (string) PurchaseOrderModel::first()->total_weight, '(3+4) 箱 × 10斤/箱');
+    }
 }