价格增加百分比上浮

tests/Feature/PurchaseGenerateTest.php

@@ -99,4 +99,41 @@ 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');
     }
+
+    /** 估算单价取「最低实际价」：固定价与百分比计价混合时按换算后值比较 */
+    public function test_generate_uses_min_actual_price_across_types(): void
+    {
+        $level = CustomerLevelModel::factory()->create();
+        $levelFixed = CustomerLevelModel::factory()->create();
+        $store = StoreModel::factory()->create(['level_id' => $level->id]);
+        $product = ProductModel::factory()->create([
+            'status' => ProductModel::STATUS_ON,
+            'cost_price' => 10,
+        ]);
+        // 百分比行：10 × (1+40%) = 14.00；固定价行 5.00 → 估算应取 5.00
+        ProductPriceModel::factory()->create([
+            'product_id' => $product->id,
+            'level_id' => $level->id,
+            'price_type' => ProductPriceModel::PRICE_TYPE_PERCENT,
+            'percent' => 40,
+            'price' => 14.00,
+        ]);
+        ProductPriceModel::factory()->create([
+            'product_id' => $product->id,
+            'level_id' => $levelFixed->id,
+            'price' => 5.00,
+        ]);
+
+        $this->actingAsMiniUser(UserModel::factory()->forStore($store->id)->create());
+        $this->postJson('/mini/order', ['items' => [['product_id' => $product->id, 'quantity' => 3]]])
+            ->assertJsonPath('success', true);
+
+        $this->actingAsSysUser();
+        $this->postJson('/purchase/order/generate', ['purchase_date' => now()->toDateString()])
+            ->assertJsonPath('success', true);
+
+        $item = PurchaseOrderModel::first()->items->first();
+        $this->assertSame('5.00', (string) $item->price, '估算单价应取换算后的最低实际价');
+        $this->assertSame('15.00', (string) $item->amount, '3 × 5.00');
+    }
 }