HandlerAllTest.php

<?php

/**
 * @file
 * Definition of Drupal\views\Tests\Handler\HandlerAllTest.
 */
namespace Drupal\views\Tests\Handler;

use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\HandlerBase;
use Drupal\views\Plugin\views\filter\InOperator;
use Drupal\views\Views;

/**
 * Creates views with instances of all handlers...
 */
class HandlerAllTest extends HandlerTestBase {

  /**
   * Modules to enable.
   *
   * @var array
   */
  public static $modules = array(
    'aggregator',
    'book',
    'block',
    'comment',
    'contact',
    'field',
    'filter',
    'file',
    'forum',
    'history',
    'language',
    'locale',
    'node',
    'search',
    'statistics',
    'taxonomy',
    'translation',
    'user',
  );
  public static function getInfo() {
    return array(
      'name' => 'Handlers: All',
      'description' => 'Test instances of all handlers.',
      'group' => 'Views Handlers',
    );
  }

  /**
   * Tests most of the handlers.
   */
  public function testHandlers() {
    $object_types = array_keys(ViewExecutable::viewsHandlerTypes());
    foreach (Views::viewsData()
      ->get() as $base_table => $info) {
      if (!isset($info['table']['base'])) {
        continue;
      }
      $view = entity_create('view', array(
        'base_table' => $base_table,
      ));
      $view = $view
        ->get('executable');

      // @todo The groupwise relationship is currently broken.
      $exclude[] = 'taxonomy_term_data:tid_representative';
      $exclude[] = 'users:uid_representative';

      // Go through all fields and there through all handler types.
      foreach ($info as $field => $field_info) {

        // Table is a reserved key for the metainformation.
        if ($field != 'table' && !in_array("{$base_table}:{$field}", $exclude)) {
          $item = array(
            'table' => $base_table,
            'field' => $field,
          );
          foreach ($object_types as $type) {
            if (isset($field_info[$type]['id'])) {
              $options = array();
              if ($type == 'filter') {
                $handler = views_get_handler($item, $type);
                if ($handler instanceof InOperator) {
                  $options['value'] = array(
                    1,
                  );
                }
              }
              $view
                ->addItem('default', $type, $base_table, $field, $options);
            }
          }
        }
      }

      // Go through each step invidiually to see whether some parts are failing.
      $view
        ->build();
      $view
        ->preExecute();
      $view
        ->execute();
      $view
        ->render();

      // Make sure all handlers extend the HandlerBase.
      foreach ($object_types as $type) {
        if (isset($view->{$type})) {
          foreach ($view->{$type} as $handler) {
            $this
              ->assertTrue($handler instanceof HandlerBase, format_string('@type handler of class %class is an instance of HandlerBase', array(
              '@type' => $type,
              '%class' => get_class($handler),
            )));
          }
        }
      }
    }
  }

}