IdentifierManipulator.php

<?php

declare(strict_types=1);

namespace Rector\PHPUnit\NodeAnalyzer;

use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Identifier;
use PhpParser\Node\Stmt\ClassMethod;
use Rector\NodeNameResolver\NodeNameResolver;

/**
 * This class renames node identifier, e.g. ClassMethod rename:
 *
 * -public function someMethod()
 * +public function newMethod()
 */
final readonly class IdentifierManipulator
{
    public function __construct(
        private NodeNameResolver $nodeNameResolver
    ) {
    }

    /**
     * @param array<string, string> $renameMethodMap
     */
    public function renameNodeWithMap(
        ClassConstFetch|MethodCall|PropertyFetch|StaticCall|ClassMethod $node,
        array $renameMethodMap
    ): bool {
        $oldNodeMethodName = $this->resolveOldMethodName($node);
        if (! is_string($oldNodeMethodName)) {
            return false;
        }

        // method names are case-insensitive in PHP, match the map the same way
        foreach ($renameMethodMap as $oldName => $newName) {
            if (strcasecmp($oldName, $oldNodeMethodName) === 0) {
                $node->name = new Identifier($newName);
                return true;
            }
        }

        return false;
    }

    private function resolveOldMethodName(
        ClassConstFetch|MethodCall|PropertyFetch|StaticCall|ClassMethod $node
    ): ?string {
        if ($node instanceof StaticCall || $node instanceof MethodCall) {
            return $this->nodeNameResolver->getName($node->name);
        }

        return $this->nodeNameResolver->getName($node);
    }
}