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Name	Size	Permission	Date	Action
BinaryDumperTest.php	1.28 KB	-rw-r--r--	2018-11-11 09:00
ParserTest.php	38.8 KB	-rw-r--r--	2018-11-11 09:00

Rename

<?php

namespace React\Tests\Dns\Protocol;

use PHPUnit\Framework\TestCase;
use React\Dns\Protocol\BinaryDumper;
use React\Dns\Model\Message;

class BinaryDumperTest extends TestCase
{
    public function testRequestToBinary()
    {
        $data = "";
        $data .= "72 62 01 00 00 01 00 00 00 00 00 00"; // header
        $data .= "04 69 67 6f 72 02 69 6f 00";          // question: igor.io
        $data .= "00 01 00 01";                         // question: type A, class IN

$expected = $this->formatHexDump(str_replace(' ', '', $data), 2);

$request = new Message();
        $request->header->set('id', 0x7262);
        $request->header->set('rd', 1);

$request->questions[] = array(
            'name'  => 'igor.io',
            'type'  => Message::TYPE_A,
            'class' => Message::CLASS_IN,
        );

$request->prepare();

$dumper = new BinaryDumper();
        $data = $dumper->toBinary($request);
        $data = $this->convertBinaryToHexDump($data);

$this->assertSame($expected, $data);
    }

private function convertBinaryToHexDump($input)
    {
        return $this->formatHexDump(implode('', unpack('H*', $input)));
    }

private function formatHexDump($input)
    {
        return implode(' ', str_split($input, 2));
    }
}