<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Test;

use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\CliDumper;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
trait VarDumperTestTrait
{
	public function assertDumpEquals($dump, $data, $message = '')
	{
		$this->assertSame(rtrim($dump), $this->getDump($data), $message);
	}

	public function assertDumpMatchesFormat($dump, $data, $message = '')
	{
		$this->assertStringMatchesFormat(rtrim($dump), $this->getDump($data), $message);
	}

	protected function getDump($data, $key = null)
	{
		$flags = getenv('DUMP_LIGHT_ARRAY') ? CliDumper::DUMP_LIGHT_ARRAY : 0;
		$flags |= getenv('DUMP_STRING_LENGTH') ? CliDumper::DUMP_STRING_LENGTH : 0;

		$cloner = new VarCloner();
		$cloner->setMaxItems(-1);
		$dumper = new CliDumper(null, null, $flags);
		$dumper->setColors(false);
		$data = $cloner->cloneVar($data)->withRefHandles(false);
		if (null !== $key && null === $data = $data->seek($key)) {
			return;
		}

		return rtrim($dumper->dump($data, true));
	}
}
