test_theme_depending_on_modules.post_update.php in Drupal 10

File

core/modules/system/tests/themes/test_theme_depending_on_modules/test_theme_depending_on_modules.post_update.php

<?php

/**
 * @file
 * Test theme depending on modules post update hooks.
 */
if (\Drupal::state()
  ->get('test_theme_depending_on_modules.post_update')) {

  /**
   * Install a dependent module.
   */
  function test_theme_depending_on_modules_post_update_module_install(&$sandbox = NULL) {
    \Drupal::service('module_installer')
      ->install([
      'test_another_module_required_by_theme',
    ]);
    return 'Post update message from theme post update function';
  }
}
if (\Drupal::state()
  ->get('test_theme_depending_on_modules.removed_post_updates')) {

  /**
   * Implements HOOK_removed_post_updates().
   */
  function test_theme_depending_on_modules_removed_post_updates() {
    return [
      'test_theme_depending_on_modules_post_update_foo' => '3.1',
    ];
  }
}