/**
  * The singleton method
  *
  * @return Tracker_Semantic_ContributorFactory an instance of the factory
  */
 public static function instance()
 {
     if (!isset(self::$instance)) {
         $c = __CLASS__;
         self::$instance = new $c();
     }
     return self::$instance;
 }
 public function testImport()
 {
     $xml = simplexml_load_file(dirname(__FILE__) . '/_fixtures/ImportTrackerSemanticContributorTest.xml');
     $tracker = new MockTracker();
     $f1 = new MockTracker_FormElement_Field_List();
     $f1->setReturnValue('getId', 111);
     $f2 = new MockTracker_FormElement_Field_List();
     $f2->setReturnValue('getId', 112);
     $f3 = new MockTracker_FormElement_Field_List();
     $f3->setReturnValue('getId', 113);
     $mapping = array('F9' => $f1, 'F13' => $f2, 'F16' => $f3);
     $semantic_contributor = Tracker_Semantic_ContributorFactory::instance()->getInstanceFromXML($xml, $mapping, $tracker);
     $this->assertEqual($semantic_contributor->getShortName(), 'contributor');
     $this->assertEqual($semantic_contributor->getFieldId(), 112);
 }
 /**
  * Returns an instance of Tracker_ContributorFactory
  *
  * @return Tracker_ContributorFactory an instance of the factory
  */
 function getSemanticContributorFactory()
 {
     return Tracker_Semantic_ContributorFactory::instance();
 }