EntityResourceValidationTraitTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\rest\Unit;

use Drupal\Core\Entity\EntityConstraintViolationList;
use Drupal\node\Entity\Node;
use Drupal\rest\Plugin\rest\resource\EntityResourceValidationTrait;
use Drupal\Tests\UnitTestCase;
use Drupal\user\Entity\User;
use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
use Symfony\Component\Validator\ConstraintViolationInterface;

/**
 * @group rest
 * @coversDefaultClass \Drupal\rest\Plugin\rest\resource\EntityResourceValidationTrait
 */
class EntityResourceValidationTraitTest extends UnitTestCase {
  
  /**
   * @covers ::validate
   */
  public function testValidate() : void {
    $trait = new EntityResourceValidationTraitTestClass();
    $method = new \ReflectionMethod($trait, 'validate');
    $violations = $this->prophesize(EntityConstraintViolationList::class);
    $violations->filterByFieldAccess()
      ->shouldBeCalled()
      ->willReturn([]);
    $violations->count()
      ->shouldBeCalled()
      ->willReturn(0);
    $entity = $this->prophesize(Node::class);
    $entity->validate()
      ->shouldBeCalled()
      ->willReturn($violations->reveal());
    $method->invoke($trait, $entity->reveal());
  }
  
  /**
   * @covers ::validate
   */
  public function testFailedValidate() : void {
    $violation1 = $this->prophesize(ConstraintViolationInterface::class);
    $violation1->getPropertyPath()
      ->willReturn('property_path');
    $violation1->getMessage()
      ->willReturn('message');
    $violation2 = $this->prophesize(ConstraintViolationInterface::class);
    $violation2->getPropertyPath()
      ->willReturn('property_path');
    $violation2->getMessage()
      ->willReturn('message');
    $entity = $this->prophesize(User::class);
    $violations = $this->getMockBuilder(EntityConstraintViolationList::class)
      ->setConstructorArgs([
      $entity->reveal(),
      [
        $violation1->reveal(),
        $violation2->reveal(),
      ],
    ])
      ->onlyMethods([
      'filterByFieldAccess',
    ])
      ->getMock();
    $violations->expects($this->once())
      ->method('filterByFieldAccess')
      ->willReturn([]);
    $entity->validate()
      ->willReturn($violations);
    $trait = new EntityResourceValidationTraitTestClass();
    $method = new \ReflectionMethod($trait, 'validate');
    $this->expectException(UnprocessableEntityHttpException::class);
    $method->invoke($trait, $entity->reveal());
  }

}

/**
 * A test class to use to test EntityResourceValidationTrait.
 *
 * Because the mock doesn't use the \Drupal namespace, the Symfony 4+ class
 * loader will throw a deprecation error.
 */
class EntityResourceValidationTraitTestClass {
  use EntityResourceValidationTrait;

}