Integration test has been added

Author: engcom-Hotel

dev/tests/integration/testsuite/Magento/Shipping/Block/Adminhtml/Order/AddToPackageTest.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Shipping\Block\Adminhtml\Order;
+
+use Magento\Backend\Block\Template;
+use Magento\Framework\ObjectManagerInterface;
+use Magento\Framework\Registry;
+use Magento\Sales\Api\Data\OrderInterfaceFactory;
+use Magento\Sales\Api\Data\ShipmentTrackInterface;
+use Magento\TestFramework\Helper\Bootstrap;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Class verifies packaging popup.
+ *
+ * @magentoAppArea adminhtml
+ */
+class AddToPackageTest extends TestCase
+{
+    /** @var ObjectManagerInterface */
+    private $objectManager;
+
+    /** @var Registry */
+    private $registry;
+    /**
+     * @var OrderInterfaceFactory|mixed
+     */
+    private $orderFactory;
+
+    protected function setUp(): void
+    {
+        $this->objectManager = Bootstrap::getObjectManager();
+        $this->registry = $this->objectManager->get(Registry::class);
+        $this->orderFactory = $this->objectManager->get(OrderInterfaceFactory::class);
+    }
+
+    /**
+     * Test that Packaging popup renders
+     *
+     * @magentoDataFixture Magento/GraphQl/Sales/_files/customer_order_with_ups_shipping.php
+     */
+    public function testGetCommentsHtml()
+    {
+        /** @var Template $block */
+        $block = $this->objectManager->get(Packaging::class);
+
+        $order = $this->orderFactory->create()->loadByIncrementId('100000001');
+
+        /** @var ShipmentTrackInterface $track */
+        $shipment = $order->getShipmentsCollection()->getFirstItem();
+
+        $this->registry->register('current_shipment', $shipment);
+
+        $block->setTemplate('Magento_Shipping::order/packaging/popup.phtml');
+        $html = $block->toHtml();
+        $expectedNeedle = "packaging.setItemQtyCallback(function(itemId){
+            var item = $$('[name=\"shipment[items]['+itemId+']\"]')[0],
+                itemTitle = $('order_item_' + itemId + '_title');
+            if (!itemTitle && !item) {
+                return 0;
+            }
+            if (item && !isNaN(item.value)) {
+                return item.value;
+            }
+        });";
+        $this->assertStringContainsString($expectedNeedle, $html);
+    }
+}