function test_toDoc()
{
$html = '<html><head><meta charset="UTF8"></head><body></body></html>';
$doc = HtmlUtils::toDoc($html);
$this->assertTrue(is_object($doc));
$this->assertTrue($doc->isHtml());
$doc1 = HtmlUtils::toDoc($doc);
$this->assertTrue(is_object($doc1));
$this->assertTrue($doc1->isHtml());
$this->assertEquals($doc1, $doc);
}
/**
* Append the give HTML code to the HTML page head section.
*
* @param string|phpQueryObject $html html page or a phpQueryObject
* @param [type] $code [description]
* @return [type] [description]
*/
public static function appendToHead($html, $code)
{
$doc = HtmlUtils::toDoc($html);
phpQuery::pq('head', $doc)->append($code);
return $doc;
}