Issue #3410126 by kim.pepper, catch, larowlan, DamienMcKenna, alexpott: File...

namespace Drupal\file\Validation;

use Drupal\Component\Plugin\Exception\PluginNotFoundException;

use Drupal\Core\Extension\ModuleHandlerInterface;

use Drupal\Core\Validation\ConstraintManager;

use Drupal\Core\Validation\DrupalTranslator;

      else {

        // Create the constraint.

        // Options are an associative array of constraint properties and values.

        try {

          $constraints[] = $this->constraintManager->create($validator, $options);

        }

        catch (PluginNotFoundException) {

          @trigger_error(sprintf('Passing invalid constraint plugin ID "%s" in the list of $validators to Drupal\file\Validation\FileValidator::validate() is deprecated in drupal:10.2.0 and will throw an exception in drupal:11.0.0. See https://www.drupal.org/node/3363700', $validator), E_USER_DEPRECATED);

        }

      }

    }

    // Call legacy hook implementations.

    // Use a mix of legacy functions and plugin IDs to test both work.

    // Each Constraint has its own tests under

    // core/modules/file/tests/src/Kernel/Plugin/Validation/Constraint.

    // Also check that arbitrary strings can be used.

    $validators = [

      'file_validate_name_length' => [],

      'FileNameLength' => [],

      'foo' => [],

    ];

    file_test_reset();

    $this->assertCount(0, $violations);

    $this->assertCount(1, file_test_get_calls('validate'));

    $this->expectDeprecation('Passing invalid constraint plugin ID "foo" in the list of $validators to Drupal\file\Validation\FileValidator::validate() is deprecated in drupal:10.2.0 and will throw an exception in drupal:11.0.0. See https://www.drupal.org/node/3363700');

    file_test_reset();

    $this->file->set('filename', '');

    $violations = $this->validator->validate($this->file, $validators);