public function testLastGeneratedUuid()
 {
     $uuidGenerator = new UuidGenerator();
     $uuid = $uuidGenerator->generatedUuid();
     $this->assertEquals($uuid, $uuidGenerator->getLastGeneratedUuid());
     $uuid = $uuidGenerator->generatedUuid();
     $this->assertEquals($uuid, $uuidGenerator->getLastGeneratedUuid());
 }
 /**
  * Generate an activation Key
  *
  */
 public static function generate()
 {
     return sha1(UuidGenerator::v1() . time());
 }