<?php
/**
 * Copyright © 2016 Magento. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Framework\App\Config;

class BaseTest extends \PHPUnit_Framework_TestCase
{
    public function testConstruct()
    {
        $xml = <<<XML
<?xml version="1.0"?>
<root><key>value</key></root>
XML;
        $config = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
            'Magento\Framework\App\Config\Base',
            ['sourceData' => $xml]
        );

        $this->assertInstanceOf('Magento\Framework\App\Config\Element', $config->getNode('key'));
    }
}