账单总金额

tests/Feature/PurchaseEditTest.php

@@ -741,4 +741,28 @@ class PurchaseEditTest extends ProcurementTestCase
             ->assertJsonPath('data.count', 0);
         $this->assertSame(0, PurchaseItemCheckModel::count());
     }
+
+    /** 采购单列表「应付商品金额」列 = Σ 已生成门店账单的商品金额（未生成账单为 null） */
+    public function test_list_includes_bill_product_amount(): void
+    {
+        [$purchase, , $stores] = $this->buildPurchase();
+        $this->actingAsSysUser();
+
+        // 未生成账单 → null
+        $this->getJson('/purchase/order')
+            ->assertJsonPath('data.data.0.bill_product_amount', null);
+
+        // 完成采购单并生成两店账单（各店商品金额 = 数量 × 等级价 10.00）
+        $purchase->update(['status' => PurchaseOrderModel::STATUS_COMPLETED]);
+        $this->postJson("/purchase/order/{$purchase->id}/bill", [
+            'stores' => [
+                ['store_id' => $stores[0]->id, 'delivery_fee' => 0, 'box_num' => 0, 'tray_num' => 0],
+                ['store_id' => $stores[1]->id, 'delivery_fee' => 0, 'box_num' => 0, 'tray_num' => 0],
+            ],
+        ])->assertJsonPath('success', true);
+
+        // 列表回显：2×10.00 + 3×10.00 = 50.00
+        $this->getJson('/purchase/order')
+            ->assertJsonPath('data.data.0.bill_product_amount', '50.00');
+    }
 }