text: # -*- coding: utf-8 -*-
  
  import pytest
  from loon.skeleton import fib
  
  __author__ = "ShixiangWang"
  __copyright__ = "ShixiangWang"
  __license__ = "mit"
  
  
  # def test_fib():
  #     assert fib(1) == 1
  #     assert fib(2) == 1
  #     assert fib(7) == 13
  #     with pytest.raises(AssertionError):
  #         fib(-10)
  