public function testHtmlNoFollowLinks()
{
$html = '<HTML>' . '<HEAD><TITLE>Page title</TITLE></HEAD>' . '<BODY>' . 'Document body.' . '<a href="link1.html">Link 1</a>.' . '<a href="link2.html" rel="nofollow">Link 1</a>.' . '</BODY>' . '</HTML>';
$oldNoFollowValue = Zend_Search_Lucene_Document_Html::getExcludeNoFollowLinks();
Zend_Search_Lucene_Document_Html::setExcludeNoFollowLinks(false);
$doc1 = Zend_Search_Lucene_Document_Html::loadHTML($html);
$this->assertTrue($doc1 instanceof Zend_Search_Lucene_Document_Html);
$this->assertTrue(array_values($doc1->getLinks()) == array('link1.html', 'link2.html'));
Zend_Search_Lucene_Document_Html::setExcludeNoFollowLinks(true);
$doc2 = Zend_Search_Lucene_Document_Html::loadHTML($html);
$this->assertTrue($doc2 instanceof Zend_Search_Lucene_Document_Html);
$this->assertTrue(array_values($doc2->getLinks()) == array('link1.html'));
}