<?php

namespace Test\Unit;

use RuntimeException;
use Test\TestCase;

class Web3BatchTest extends TestCase
{
    /**
     * testHex
     * 'hello world'
     * you can check by call pack('H*', $hex)
     * 
     * @var string
     */
    protected $testHex = '0x68656c6c6f20776f726c64';

    /**
     * testHash
     * 
     * @var string
     */
    protected $testHash = '0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad';

    /**
     * setUp
     * 
     * @return void
     */
    public function setUp()
    {
        parent::setUp();
    }

    /**
     * testBatch
     * 
     * @return void
     */
    public function testBatch()
    {
        $web3 = $this->web3;

        $web3->batch(true);
        $web3->clientVersion();
        $web3->sha3($this->testHex);

        $web3->provider->execute(function ($err, $data) {
            if ($err !== null) {
                return $this->fail($err->getMessage());
            }
            $this->assertTrue(is_string($data[0]));
            $this->assertEquals($data[1], $this->testHash);
        });
    }
}