Merge pull request #529 from openeuropa/OEL-3983

OEL-3983: Added accessibility test for menu.

Author: tibi2303

tests/src/Kernel/MainNavigationBlockTest.php

@@ -0,0 +1,100 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests\oe_bootstrap_theme\Kernel;
+
+use Drupal\block\Entity\Block;
+use Drupal\menu_link_content\Entity\MenuLinkContent;
+
+/**
+ * Tests the main navigation block accessibility markup.
+ *
+ * @group oe_bootstrap_theme
+ */
+class MainNavigationBlockTest extends AbstractKernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'block',
+    'link',
+    'menu_link_content',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+
+    $this->installEntitySchema('menu_link_content');
+  }
+
+  /**
+   * Ensures the main navigation block has an aria-label and no extra heading.
+   */
+  public function testMainNavigationMarkup(): void {
+    $this->createMainMenuLink();
+
+    $block = $this->createMainNavigationBlock();
+
+    $build = $this->container->get('entity_type.manager')
+      ->getViewBuilder('block')
+      ->view($block, 'block');
+    $html = $this->renderRoot($build);
+
+    $this->assertRendering($html, [
+      'count' => [
+        '.me-auto[role="navigation"][aria-label="Main navigation menu"]' => 1,
+        'h2' => 0,
+      ],
+    ]);
+    $this->assertStringNotContainsString('Main navigation bar', $html);
+  }
+
+  /**
+   * Creates a simple main menu link so the block renders content.
+   */
+  protected function createMainMenuLink(): MenuLinkContent {
+    $menu_link = MenuLinkContent::create([
+      'title' => 'Home',
+      'menu_name' => 'main',
+      'link' => [
+        'uri' => 'internal:/',
+      ],
+    ]);
+    $menu_link->save();
+
+    return $menu_link;
+  }
+
+  /**
+   * Creates the main navigation block using the theme defaults.
+   */
+  protected function createMainNavigationBlock(): Block {
+    $block = Block::create([
+      'id' => 'test_main_navigation',
+      'plugin' => 'system_menu_block:main',
+      'theme' => 'oe_bootstrap_theme',
+      'region' => 'navbar_left',
+      'weight' => -3,
+      'status' => TRUE,
+      'settings' => [
+        'id' => 'system_menu_block:main',
+        'label' => 'Main navigation menu',
+        'label_display' => FALSE,
+        'provider' => 'system',
+        'level' => 1,
+        'depth' => 0,
+        'expand_all_items' => FALSE,
+      ],
+      'visibility' => [],
+    ]);
+    $block->save();
+
+    return $block;
+  }
+
+}