MC-24902: Storefront: Verify Category structure on storefront

Author: romadjelf

dev/tests/integration/testsuite/Magento/Catalog/Block/BreadcrumbsTest.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Catalog\Block;
+
+use Magento\Catalog\Api\CategoryRepositoryInterface;
+use Magento\Framework\ObjectManagerInterface;
+use Magento\Framework\Registry;
+use Magento\Framework\View\LayoutInterface;
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\Theme\Block\Html\Breadcrumbs as ThemeBreadcrumbs;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Checks the behavior of breadcrumbs on the category view page.
+ *
+ * @magentoAppArea frontend
+ */
+class BreadcrumbsTest extends TestCase
+{
+    /** @var ObjectManagerInterface */
+    private $objectManager;
+
+    /** @var LayoutInterface */
+    private $layout;
+
+    /** @var CategoryRepositoryInterface */
+    private $categoryRepository;
+
+    /** @var Registry */
+    private $registry;
+
+    /**
+     * @inheritdoc
+     */
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->objectManager = Bootstrap::getObjectManager();
+        $this->categoryRepository = $this->objectManager->create(CategoryRepositoryInterface::class);
+        $this->registry = $this->objectManager->get(Registry::class);
+        $this->layout = $this->objectManager->get(LayoutInterface::class);
+    }
+
+    /**
+     * Checks the order of categories in breadcrumbs.
+     *
+     * @magentoDataFixture Magento/Catalog/_files/category_tree.php
+     * @return void
+     */
+    public function testCategoriesSequence(): void
+    {
+        $category = $this->categoryRepository->get(402);
+        $this->registry->register('current_category', $category);
+        $themeBreadcrumbs = $this->layout->createBlock(ThemeBreadcrumbs::class, 'breadcrumbs');
+        $this->layout->createBlock(Breadcrumbs::class);
+        $html = $themeBreadcrumbs->toHtml();
+
+        $actualCategories = preg_replace('/\s+/', '', strip_tags($html));
+        $expectedCategories = __('Home') . 'Category1' . 'Category1.1' . 'Category1.1.1';
+        self::assertEquals(
+            $expectedCategories,
+            $actualCategories,
+            'The order of categories in breadcrumbs is not correct!'
+        );
+    }
+}