setNodeClass example

        $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');
    }

    public function testAddingANewNodeType()
    {
        $class = SomeNodeDefinition::class;

        $builder = new BaseNodeBuilder();
        $node = $builder
            ->setNodeClass('newtype', $class)
            ->node('', 'newtype');

        

$root->prototype('bar')->end();

        $this->assertInstanceOf(BarNode::class, $root->getNode(true)->getPrototype());
    }

    public function testAnExtendedNodeBuilderGetsPropagatedToTheChildren()
    {
        $builder = new TreeBuilder('propagation');

        $builder->getRootNode()
            ->children()
                ->setNodeClass('extended', 'Symfony\Component\Config\Definition\Builder\BooleanNodeDefinition')
                ->node('foo', 'extended')->end()
                ->arrayNode('child')
                    ->children()
                        ->node('foo', 'extended')
                    ->end()
                ->end()
            ->end()
        ->end();

        $node = $builder->buildTree();
        $children = $node->getChildren();