/**
  * @dataProvider getData
  */
 public function testAttributePathResultsInTheFirstTwoValuesReadCorrectly($data)
 {
     $xmlParser = new Parser();
     $values = array();
     $callback = function ($parser, $val) use(&$values) {
         $values[] = $val;
     };
     $xmlParser->registerCallback('/rss/channel/item/category/@domain', $callback);
     $xmlParser->parse($data);
     $this->assertEquals(array('http://www.guardian.co.uk/publication', 'http://www.guardian.co.uk/world'), array($values[0], $values[1]));
 }
 /**
  * @param Parser $xmlParser
  * @param string $xmlFile
  */
 private function importXmlFile(Parser $xmlParser, $xmlFile)
 {
     $this->handle = fopen($xmlFile, 'r');
     $xmlParser->parse($this->handle);
     fclose($this->handle);
 }