MaintenanceThemeTest.php in Drupal 9

Namespace

Drupal\KernelTests\Core\Theme

File

core/tests/Drupal/KernelTests/Core/Theme/MaintenanceThemeTest.php

<?php

namespace Drupal\KernelTests\Core\Theme;

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests themes and base themes are correctly loaded.
 *
 * @group Installer
 */
class MaintenanceThemeTest extends KernelTestBase {

  /**
   * Tests that the maintenance theme initializes the theme and its base themes.
   */
  public function testMaintenanceTheme() {
    $this
      ->setSetting('maintenance_theme', 'test_subtheme');

    // Get the maintenance theme loaded.
    drupal_maintenance_theme();

    // Do we have an active theme?
    $this
      ->assertTrue(\Drupal::theme()
      ->hasActiveTheme());
    $active_theme = \Drupal::theme()
      ->getActiveTheme();
    $this
      ->assertEquals('test_subtheme', $active_theme
      ->getName());
    $base_themes = $active_theme
      ->getBaseThemeExtensions();
    $base_theme_names = array_keys($base_themes);
    $this
      ->assertSame([
      'test_basetheme',
    ], $base_theme_names);
  }

}

Classes

Name	Description
MaintenanceThemeTest	Tests themes and base themes are correctly loaded.