FormTypeTestCase.php

<?php

declare(strict_types = 1);

namespace Tests\AppBundle\Form;

use Symfony\Component\Form\Extension\Core\CoreExtension;
use Symfony\Component\Form\Extension\Validator\ValidatorExtension;
use Symfony\Component\Form\Test\TypeTestCase as TestCase;
use Symfony\Component\Validator\ConstraintViolationList;
use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Validator\Validator\ValidatorInterface;

/**
 * @description Add 'constraints' option to FormsTests
 */
class FormTypeTypeTest extends TestCase
{
    protected function getExtensions()
    {
        /** @var ValidatorInterface|\PHPUnit_Framework_MockObject_MockObject $validator */
        $validator = $this->createMock(ValidatorInterface::class);
        $validator
            ->method('validate')
            ->will($this->returnValue(new ConstraintViolationList()));
        $validator
            ->method('getMetadataFor')
            ->will($this->returnValue(new ClassMetadata('Symfony\Component\Form\Form')));

        return [
            new ValidatorExtension($validator),
            new CoreExtension()
        ];
    }
}