ConfigDraggableListBuilderTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\config\Functional;

use Drupal\Component\Utility\Html;
use Drupal\Tests\BrowserTestBase;
use Drupal\user\Entity\Role;

/**
 * Tests draggable list builder.
 *
 * @group config
 */
class ConfigDraggableListBuilderTest extends BrowserTestBase {

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'config_test',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Tests draggable lists.
   */
  public function testDraggableList() {
    $this
      ->drupalLogin($this
      ->drupalCreateUser([
      'administer permissions',
    ]));

    // Create more than 50 roles.
    for ($i = 0; $i < 51; $i++) {
      $role = Role::create([
        'id' => 'role_' . $i,
        'label' => "Role {$i}",
      ]);
      $role
        ->save();
    }

    // Navigate to Roles page
    $this
      ->drupalGet('admin/people/roles');

    // Test for the page title.
    $this
      ->assertSession()
      ->titleEquals('Roles | Drupal');

    // Count the number of rows in table.
    $rows = $this
      ->xpath('//form[@class="user-admin-roles-form"]/table/tbody/tr');
    $this
      ->assertGreaterThan(50, count($rows));
    for ($i = 0; $i < 51; $i++) {
      $this
        ->assertSession()
        ->pageTextContains("Role {$i}");
    }
    $role = Role::load('role_0');
    $role_name = 'Role <b>0</b>';
    $role
      ->set('label', $role_name)
      ->save();
    $this
      ->drupalGet('admin/people/roles');
    $this
      ->assertSession()
      ->responseContains('<td>' . Html::escape($role_name));

    // Make sure that NULL weights do not break the list builder. Use the
    // configuration API so that the value does not get type-casted according to
    // the configuration schema.
    \Drupal::configFactory()
      ->getEditable('user.role.role_0')
      ->set('weight', NULL)
      ->save(TRUE);
    $this
      ->drupalGet('admin/people/roles');
    $this
      ->assertSession()
      ->statusCodeEquals(200);
  }

}