text: from asttrs.utils import blacking, isorting
  
  
  def test_isorting():
  
      source = "\n".join(["import sys, os", "import os"])
      expected = "\n".join(["import os", "import sys"])
  
      assert isorting(source).strip() == expected
  
  
  def test_blacking():
  
      source = "\n".join(["def foo():", "", "", "", "", "    pass"])
      expected = "\n".join(["def foo():", "", "    pass"])
  
      assert blacking(source).strip() == expected
  