/**
  * Ensure generator is creating string with the correct length
  */
 public function testLengthGenerator()
 {
     $lengthDefault = Generator::getRandomString();
     $lengthTwenty = Generator::getRandomString(20);
     $this->assertEquals(10, strlen($lengthDefault));
     $this->assertEquals(20, strlen($lengthTwenty));
 }
 /**
  * Store url to db
  *
  * @param $url
  */
 protected function save($url)
 {
     $shortLink = Generator::getRandomString();
     $item = array('created' => new \MongoDate(), 'key' => $shortLink, 'target' => $url);
     $this->getCollection(self::MONGO_COLLECTION)->insert($item);
     $this->set("link", 'http://' . $_SERVER['SERVER_NAME'] . '/' . $shortLink);
 }