UniqueValidator example

use Symfony\Component\Validator\Constraints\Unique;
use Symfony\Component\Validator\Constraints\UniqueValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;

class UniqueValidatorTest extends ConstraintValidatorTestCase
{
    protected function createValidator(): UniqueValidator
    {
        return new UniqueValidator();
    }

    public function testExpectsUniqueConstraintCompatibleType()
    {
        $this->expectException(UnexpectedValueException::class);
        $this->validator->validate('', new Unique());
    }

    /** * @dataProvider getValidValues */