SerializedConstraintValidatorTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\Core\Validation\Plugin\Validation\Constraint;

use Drupal\Core\TypedData\DataDefinition;
use Drupal\Core\TypedData\Plugin\DataType\StringData;
use Drupal\Core\Validation\Plugin\Validation\Constraint\SerializedConstraint;
use Drupal\Core\Validation\Plugin\Validation\Constraint\SerializedConstraintValidator;
use Drupal\Tests\UnitTestCase;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\Group;
use Symfony\Component\Validator\Context\ExecutionContextInterface;

/**
 * Tests serialize validator.
 */
class SerializedConstraintValidatorTest extends UnitTestCase {
  
  /**
   * Validate serializer constraint.
   */
  public function testValidate($value, bool $valid) : void {
    $typed_data = new StringData(DataDefinition::create('string'));
    $context = $this->createMock(ExecutionContextInterface::class);
    $context->expects($this->any())
      ->method('getObject')
      ->willReturn($typed_data);
    if ($valid) {
      $context->expects($this->never())
        ->method('addViolation');
    }
    else {
      $context->expects($this->once())
        ->method('addViolation');
    }
    $constraint = new SerializedConstraint();
    $validate = new SerializedConstraintValidator();
    $validate->initialize($context);
    $validate->validate($value, $constraint);
  }
  
  /**
   * Provides an array with several serialized and non-serialized values.
   *
   * @return array
   *   An array with test scenarios.
   */
  public static function provideTestValidate() : array {
    $data = [];
    $data[] = [
      serialize(''),
      TRUE,
    ];
    $data[] = [
      serialize('0'),
      TRUE,
    ];
    $data[] = [
      serialize('false'),
      TRUE,
    ];
    $data[] = [
      serialize(0),
      TRUE,
    ];
    $data[] = [
      serialize(1),
      TRUE,
    ];
    $data[] = [
      serialize(TRUE),
      TRUE,
    ];
    $data[] = [
      serialize(FALSE),
      TRUE,
    ];
    $data[] = [
      'non serialized string',
      FALSE,
    ];
    $data[] = [
      TRUE,
      FALSE,
    ];
    $data[] = [
      new \stdClass(),
      FALSE,
    ];
    return $data;
  }

}