ArgumentNullTest.php in Drupal 9        
                          
                  
                        
  
  
  
  
File
  core/modules/views/tests/src/Kernel/Handler/ArgumentNullTest.php
  
    View source  
  <?php
namespace Drupal\Tests\views\Kernel\Handler;
use Drupal\Tests\views\Kernel\ViewsKernelTestBase;
use Drupal\views\Views;
class ArgumentNullTest extends ViewsKernelTestBase {
  
  public static $testViews = [
    'test_view',
  ];
  public function viewsData() {
    $data = parent::viewsData();
    $data['views_test_data']['id']['argument']['id'] = 'null';
    return $data;
  }
  public function testAreaText() {
    
    $view = Views::getView('test_view');
    $view
      ->setDisplay();
    
    $view->displayHandlers
      ->get('default')
      ->overrideOption('arguments', [
      'null' => [
        'id' => 'null',
        'table' => 'views',
        'field' => 'null',
      ],
    ]);
    $this
      ->executeView($view);
    
    unset($view->argument['null']->argument_validated);
    $this
      ->assertTrue($view->argument['null']
      ->validateArgument(26));
    
    unset($view->argument['null']->argument_validated);
    $view->argument['null']->options['must_not_be'] = TRUE;
    $this
      ->assertFalse($view->argument['null']
      ->validateArgument(26), 'must_not_be returns FALSE, if there is an argument');
    unset($view->argument['null']->argument_validated);
    $this
      ->assertTrue($view->argument['null']
      ->validateArgument(NULL), 'must_not_be returns TRUE, if there is no argument');
    
    $view
      ->destroy();
    $view
      ->setDisplay();
    
    $view->displayHandlers
      ->get('default')
      ->overrideOption('arguments', [
      'id' => [
        'id' => 'id',
        'table' => 'views_test_data',
        'field' => 'id',
      ],
    ]);
    $this
      ->executeView($view, [
      26,
    ]);
    
    $this
      ->assertCount(5, $view->result);
  }
}