trait UpdateTestTrait

trait UpdateTestTrait {
  
  /**
   * Sets information about installed extensions.
   *
   * @param string[][] $installed_extensions
   *   An array containing mocked installed extensions info. Keys are
   *   extension names, values are arrays containing key-value pairs that would
   *   be present in extensions' *.info.yml files.
   *   For a list of accepted keys, see InfoParserInterface. Key-value pairs not
   *   present here will be inherited from $default_info.
   *   For example:
   *
   * @code
   *   'drupal' => [
   *     'project' => 'drupal',
   *     'version' => '8.0.0',
   *     'hidden' => FALSE,
   *   ]
   * @endcode
   *
   * @throws \Exception
   */
  protected function mockInstalledExtensionsInfo(array $installed_extensions) : void {
    if (in_array('#all', array_keys($installed_extensions), TRUE)) {
      throw new \Exception("#all (default value) shouldn't be set here instead use ::mockDefaultExtensionsInfo().");
    }
    $system_info = $this->config('update_test.settings')
      ->get('system_info');
    $system_info = $installed_extensions + $system_info;
    $this->config('update_test.settings')
      ->set('system_info', $system_info)
      ->save();
  }
  
  /**
   * Sets default information about installed extensions.
   *
   * @param string[] $default_info
   *   The *.info.yml key-value pairs to be mocked across all
   *   extensions. Hence, these can be seen as default/fallback values.
   */
  protected function mockDefaultExtensionsInfo(array $default_info) : void {
    $system_info = $this->config('update_test.settings')
      ->get('system_info');
    $system_info = [
      '#all' => $default_info,
    ] + $system_info;
    $this->config('update_test.settings')
      ->set('system_info', $system_info)
      ->save();
  }
  
  /**
   * Sets available release history.
   *
   * @param string[] $release_history
   *   The release history XML files to use for particular extension(s). The
   *   keys are the extension names (use 'drupal' for Drupal core itself), and
   *   the values are the suffix of the release history XML file to use. For
   *   example, @code 'drupal' => 'sec.8.0.2' @endcode will map to a file called
   *   drupal.sec.8.0.2.xml. Look at
   *   core/modules/update/tests/fixtures/release-history for more release
   *   history XML examples.
   */
  protected function mockReleaseHistory(array $release_history) : void {
    $this->config('update_test.settings')
      ->set('xml_map', $release_history)
      ->save();
  }

}