MenuLinkReorderTest.php

<?php

namespace Drupal\Tests\menu_ui\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Reorder menu items.
 *
 * @group menu_ui
 */
class MenuLinkReorderTest extends BrowserTestBase {
    
    /**
     * An administrator user.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $administrator;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'menu_ui',
        'test_page_test',
        'node',
        'block',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests creating, editing, deleting menu links via node form widget.
     */
    public function testDefaultMenuLinkReorder() {
        // Add the main menu block.
        $this->drupalPlaceBlock('system_menu_block:main');
        // Assert that the Home link is available.
        $this->drupalGet('test-page');
        $this->assertSession()
            ->linkExists('Home');
        // The administrator user that can re-order menu links.
        $this->administrator = $this->drupalCreateUser([
            'administer site configuration',
            'access administration pages',
            'administer menu',
        ]);
        $this->drupalLogin($this->administrator);
        // Change the weight of the link to a non default value.
        $edit = [
            'links[menu_plugin_id:test_page_test.front_page][weight]' => -10,
        ];
        $this->drupalGet('admin/structure/menu/manage/main');
        $this->submitForm($edit, 'Save');
        // The link is still there.
        $this->drupalGet('test-page');
        $this->assertSession()
            ->linkExists('Home');
        // Clear all caches.
        $this->drupalGet('admin/config/development/performance');
        $this->submitForm([], 'Clear all caches');
        // Clearing all caches should not affect the state of the menu link.
        $this->drupalGet('test-page');
        $this->assertSession()
            ->linkExists('Home');
    }

}