/**
  * Test getStatusSources
  */
 public function testGetStatusSources()
 {
     $dao = new PostMySQLDAO();
     $sources = $dao->getStatusSources(18, 'twitter');
     $this->assertEqual(sizeof($sources), 2);
     $this->assertEqual($sources[0]["source"], "Flickr");
     $this->assertEqual($sources[0]["total"], 40);
     $this->assertEqual($sources[1]["source"], "web");
     $this->assertEqual($sources[1]["total"], 1);
     //non-existent author
     $sources = $dao->getStatusSources(51, 'twitter');
     $this->assertEqual(sizeof($sources), 0);
 }