def METHOD_NAME(self):
    self.assertEqual("p00p", original_case("p00p", foobar=True))
    self.assertEqual("p00p", original_case("p00p"))
    self.assertEqual("USERName", original_case("USERName"))
    self.assertEqual("UserNAME", original_case("UserNAME"))
    self.assertEqual("USER_name", original_case("USER_name"))
    self.assertEqual("USER-NAME", original_case("USER-NAME"))
    self.assertEqual("User_Name", original_case("User_Name"))
    self.assertEqual("user_name", original_case("user_name"))
    self.assertEqual("SUserNAME", original_case("SUserNAME"))