EntityTypeConstraintValidatorTest.php

<?php

declare (strict_types=1);
namespace Drupal\KernelTests\Core\Entity;

use Drupal\Core\TypedData\DataDefinition;

/**
 * Tests validation constraints for EntityTypeConstraintValidator.
 *
 * @group Entity
 */
class EntityTypeConstraintValidatorTest extends EntityKernelTestBase {

  /**
   * The typed data manager to use.
   *
   * @var \Drupal\Core\TypedData\TypedDataManager
   */
  protected $typedData;
  protected static $modules = [
    'node',
    'field',
    'user',
  ];

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->typedData = $this->container
      ->get('typed_data_manager');
  }

  /**
   * Tests the EntityTypeConstraintValidator.
   */
  public function testValidation() {

    // Create a typed data definition with an EntityType constraint.
    $entity_type = 'node';
    $definition = DataDefinition::create('entity_reference')
      ->setConstraints([
      'EntityType' => $entity_type,
    ]);

    // Test the validation.
    $node = $this->container
      ->get('entity_type.manager')
      ->getStorage('node')
      ->create([
      'type' => 'page',
    ]);
    $typed_data = $this->typedData
      ->create($definition, $node);
    $violations = $typed_data
      ->validate();
    $this
      ->assertEquals(0, $violations
      ->count(), 'Validation passed for correct value.');

    // Test the validation when an invalid value (in this case a user entity)
    // is passed.
    $account = $this
      ->createUser();
    $typed_data = $this->typedData
      ->create($definition, $account);
    $violations = $typed_data
      ->validate();
    $this
      ->assertEquals(1, $violations
      ->count(), 'Validation failed for incorrect value.');

    // Make sure the information provided by a violation is correct.
    $violation = $violations[0];
    $this
      ->assertEquals(sprintf('The entity must be of type %s.', $entity_type), $violation
      ->getMessage(), 'The message for invalid value is correct.');
    $this
      ->assertEquals($typed_data, $violation
      ->getRoot(), 'Violation root is correct.');
    $this
      ->assertEquals($account, $violation
      ->getInvalidValue(), 'The invalid value is set correctly in the violation.');
  }

}