BaseNodeBuilder example

use PHPUnit\Framework\TestCase;
use Symfony\Component\Config\Definition\Builder\FloatNodeDefinition;
use Symfony\Component\Config\Definition\Builder\IntegerNodeDefinition;
use Symfony\Component\Config\Definition\Builder\NodeBuilder as BaseNodeBuilder;
use Symfony\Component\Config\Definition\Builder\VariableNodeDefinition as BaseVariableNodeDefinition;

class NodeBuilderTest extends TestCase
{
    public function testThrowsAnExceptionWhenTryingToCreateANonRegisteredNodeType()
    {
        $this->expectException(\RuntimeException::class);
        $builder = new BaseNodeBuilder();
        $builder->node('', 'foobar');
    }

    public function testThrowsAnExceptionWhenTheNodeClassIsNotFound()
    {
        $this->expectException(\RuntimeException::class);
        $builder = new BaseNodeBuilder();
        $builder
            ->setNodeClass('noclasstype', '\\foo\\bar\\noclass')
            ->node('', 'noclasstype');
    }