Cover changes with integration test

Author: Nazar65

dev/tests/integration/testsuite/Magento/Customer/Block/Adminhtml/Edit/Tab/CartTest.php

@@ -5,7 +5,13 @@
  */
 namespace Magento\Customer\Block\Adminhtml\Edit\Tab;
 
+use Magento\Backend\Block\Template\Context;
+use Magento\Backend\Model\Session\Quote as SessionQuote;
 use Magento\Customer\Controller\RegistryConstants;
+use Magento\Framework\ObjectManagerInterface;
+use Magento\Framework\Registry;
+use Magento\Quote\Model\Quote;
+use Magento\Store\Model\StoreManagerInterface;
 
 /**
  * Magento\Customer\Block\Adminhtml\Edit\Tab\Cart
@@ -16,21 +22,34 @@ class CartTest extends \PHPUnit\Framework\TestCase
 {
     const CUSTOMER_ID_VALUE = 1234;
 
-    /** @var \Magento\Backend\Block\Template\Context */
+    /**
+     * @var Context
+     */
     private $_context;
 
-    /** @var \Magento\Framework\Registry */
+    /**
+     *  @var Registry
+     */
     private $_coreRegistry;
 
-    /** @var \Magento\Store\Model\StoreManagerInterface */
+    /**
+     * @var StoreManagerInterface
+     */
     private $_storeManager;
 
-    /** @var Cart */
+    /**
+     *  @var Cart
+     */
     private $_block;
 
-    /** @var \Magento\Framework\ObjectManagerInterface */
+    /**
+     * @var ObjectManagerInterface
+     */
     private $_objectManager;
 
+    /**
+     * @inheritdoc
+     */
     public function setUp()
     {
         $this->_objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
@@ -53,22 +72,65 @@ public function setUp()
         );
     }
 
+    /**
+     * @inheritdoc
+     */
     public function tearDown()
     {
         $this->_coreRegistry->unregister(RegistryConstants::CURRENT_CUSTOMER_ID);
     }
 
-    public function testGetCustomerId()
+    /**
+     * Verify Grid with quote items
+     *
+     * @magentoDataFixture Magento/Sales/_files/quote_with_two_products_and_customer.php
+     * @magentoDataFixture Magento/Customer/_files/customer.php
+     * @magentoAppIsolation enabled
+     * @magentoDbIsolation disabled
+     * @return void
+     */
+    public function testVerifyCollectionWithQuote(): void
+    {
+        $session = $this->_objectManager->create(SessionQuote::class);
+        $session->setCustomerId(self::CUSTOMER_ID_VALUE);
+        $quoteFixture = $this->_objectManager->create(Quote::class);
+        $quoteFixture->load('test01', 'reserved_order_id');
+        $quoteFixture->setCustomerIsGuest(false)
+                     ->setCustomerId(self::CUSTOMER_ID_VALUE)
+                     ->save();
+        $html = $this->_block->toHtml();
+        $this->assertNotContains(
+            "We couldn't find any records",
+            $this->_block->getGridParentHtml()
+        );
+    }
+
+    /**
+     * Verify Customer id
+     *
+     * @return void
+     */
+    public function testGetCustomerId(): void
     {
         $this->assertEquals(self::CUSTOMER_ID_VALUE, $this->_block->getCustomerId());
     }
 
-    public function testGetGridUrl()
+    /**
+     * Verify get grid url
+     *
+     * @return void
+     */
+    public function testGetGridUrl(): void
     {
         $this->assertContains('/backend/customer/index/cart', $this->_block->getGridUrl());
     }
 
-    public function testGetGridParentHtml()
+    /**
+     * Verify grid parent html
+     *
+     * @return void
+     */
+    public function testGetGridParentHtml(): void
     {
         $this->_block = $this->_objectManager->get(
             \Magento\Framework\View\LayoutInterface::class
@@ -87,14 +149,24 @@ public function testGetGridParentHtml()
         );
     }
 
-    public function testGetRowUrl()
+    /**
+     * Verify row url
+     *
+     * @return void
+     */
+    public function testGetRowUrl(): void
     {
         $row = new \Magento\Framework\DataObject();
         $row->setProductId(1);
         $this->assertContains('/backend/catalog/product/edit/id/1', $this->_block->getRowUrl($row));
     }
 
-    public function testGetHtml()
+    /**
+     * Verify get html
+     *
+     * @return void
+     */
+    public function testGetHtml(): void
     {
         $html = $this->_block->toHtml();
         $this->assertContains("<div id=\"customer_cart_grid\"", $html);