OSS\Model\LiveChannelConfig::serializeToXml PHP Метод

    public function serializeToXml()
    {
        $strXml = <<<EOF
<?xml version="1.0" encoding="utf-8"?>
<LiveChannelConfiguration>
</LiveChannelConfiguration>
EOF;
        $xml = new \SimpleXMLElement($strXml);
        if (isset($this->description)) {
            $xml->addChild('Description', $this->description);
        }
        if (isset($this->status)) {
            $xml->addChild('Status', $this->status);
        }
        $node = $xml->addChild('Target');
        $node->addChild('Type', $this->type);
        if (isset($this->fragDuration)) {
            $node->addChild('FragDuration', $this->fragDuration);
        }
        if (isset($this->fragCount)) {
            $node->addChild('FragCount', $this->fragCount);
        }
        if (isset($this->playListName)) {
            $node->addChild('PlayListName', $this->playListName);
        }
        return $xml->asXML();
    }

 public function testLiveChannelConfig()
 {
     $config = new LiveChannelConfig(array('name' => 'live-1'));
     $config->parseFromXml($this->config);
     $this->assertEquals('xxx', $config->getDescription());
     $this->assertEquals('enabled', $config->getStatus());
     $this->assertEquals('hls', $config->getType());
     $this->assertEquals(1000, $config->getFragDuration());
     $this->assertEquals(5, $config->getFragCount());
     $this->assertEquals('hello.m3u8', $config->getPlayListName());
     $xml = $config->serializeToXml();
     $config2 = new LiveChannelConfig(array('name' => 'live-2'));
     $config2->parseFromXml($xml);
     $this->assertEquals('xxx', $config2->getDescription());
     $this->assertEquals('enabled', $config2->getStatus());
     $this->assertEquals('hls', $config2->getType());
     $this->assertEquals(1000, $config2->getFragDuration());
     $this->assertEquals(5, $config2->getFragCount());
     $this->assertEquals('hello.m3u8', $config2->getPlayListName());
 }