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<?php declare(strict_types=1);
namespace PhpParser\NodeVisitor;
use PhpParser\Node\Expr\ConstFetch;
use PhpParser\Node\Stmt\Else_;
use PhpParser\Node\Stmt\If_;
use PhpParser\NodeFinder;
use PhpParser\NodeTraverser;
use PhpParser\ParserFactory;
final class NodeConnectingVisitorTest extends \PHPUnit\Framework\TestCase
{
public function testConnectsNodeToItsParentNodeAndItsSiblingNodes()
{
$ast = (new ParserFactory)->create(ParserFactory::PREFER_PHP7)->parse(
'<?php if (true) {} else {}'
);
$traverser = new NodeTraverser;
$traverser->addVisitor(new NodeConnectingVisitor);
$ast = $traverser->traverse($ast);
$node = (new NodeFinder)->findFirstInstanceof($ast, Else_::class);
$this->assertSame(If_::class, get_class($node->getAttribute('parent')));
$this->assertSame(ConstFetch::class, get_class($node->getAttribute('previous')));
$node = (new NodeFinder)->findFirstInstanceof($ast, ConstFetch::class);
$this->assertSame(Else_::class, get_class($node->getAttribute('next')));
}
}
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