class BackdropUnitTestCase

simpletest_autoload_info in core/modules/simpletest/simpletest.module

Implements hook_autoload_info().

class BackdropUnitTestCase extends BackdropTestCase {
  /**
   * The list of enabled modules prior to changing for testing.
   *
   * @var array
   */
  protected $originalModuleList;

  /**
   * @var object
   */
  protected $originalLanguage;

  /**
   * Constructor for BackdropUnitTestCase.
   */
  function __construct($test_id = NULL) {
    parent::__construct($test_id);
    $this->skipClasses[__CLASS__] = TRUE;
  }

  /**
   * Sets up unit test environment.
   *
   * Unlike BackdropWebTestCase::setUp(), BackdropUnitTestCase::setUp() does not
   * install modules because tests are performed without accessing the database.
   * Any required files must be explicitly included by the child class setUp()
   * method.
   */
  protected function setUp() {
    global $conf, $language;

    // Store necessary current values before switching to the test environment.
    $this->originalFileDirectory = config_get('system.core', 'file_public_path');
    $this->verboseDirectoryUrl = file_create_url($this->originalFileDirectory . '/simpletest/verbose');

    // Set to English to prevent any use of the database in t() calls.
    // The following array/object conversion is copied from language_default().
    $this->originalLanguage = $language;
    $language = (object) array(
      'langcode' => 'en',
      'name' => 'English',
      'direction' => 0,
      'enabled' => TRUE,
      'weight' => 0,
    );

    $this->prepareDatabasePrefix();

    // Reset all statics so that test is performed with a clean environment.
    backdrop_static_reset();

    // Create test directory.
    $public_files_directory = $this->originalFileDirectory . '/simpletest/' . $this->fileDirectoryName;
    file_prepare_directory($public_files_directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
    $conf['file_public_path'] = $public_files_directory;

    // Clone the current connection and replace the current prefix.
    $connection_info = Database::getConnectionInfo('default');
    Database::renameConnection('default', 'simpletest_original_default');
    foreach ($connection_info as $target => $value) {
      $connection_info[$target]['prefix'] = array(
        'default' => $value['prefix']['default'] . $this->databasePrefix,
      );
    }
    Database::addConnectionInfo('default', 'default', $connection_info['default']);

    // Set user agent to be consistent with web test case.
    $_SERVER['HTTP_USER_AGENT'] = $this->databasePrefix;

    // If locale is enabled then t() will try to access the database and
    // subsequently will fail as the database is not accessible.
    $module_list = module_list();
    if (isset($module_list['locale'])) {
      // Transform the list into the format expected as input to module_list().
      foreach ($module_list as &$module) {
        $module = array('filename' => backdrop_get_filename('module', $module));
      }
      $this->originalModuleList = $module_list;
      unset($module_list['locale']);
      module_list(TRUE, FALSE, FALSE, $module_list);
    }
    $this->setup = TRUE;
    return TRUE;
  }

  protected function tearDown() {
    global $conf, $language;

    // Get back to the original connection.
    Database::removeConnection('default');
    Database::renameConnection('simpletest_original_default', 'default');

    // Delete the database table prefix record.
    db_delete('simpletest_prefix')
      ->condition('test_id', $this->testId)
      ->condition('prefix', $this->databasePrefix)
      ->execute();

    $conf['file_public_path'] = $this->originalFileDirectory;
    // Restore modules if necessary.
    if (isset($this->originalModuleList)) {
      module_list(TRUE, FALSE, FALSE, $this->originalModuleList);
    }

    // Reset language.
    $language = $this->originalLanguage;
  }
}