old_contents: from __future__ import absolute_import, print_function
  
  from ..pyautoupdate.launcher import Launcher
  from .pytest_skipif import needinternet
  
  import pytest
  
  import os
  import shutil
  
  @pytest.fixture(scope='function')
  def fixture_update_dir(request):
      def teardown():
          if os.path.isfile('version.txt.old'):
              os.remove('version.txt.old')
          if os.path.isfile('version.txt'):
              os.remove('version.txt')
          if os.path.isdir("extradir"):
              shutil.rmtree("extradir")
          if os.path.isfile("filelist.txt"):
              os.remove("filelist.txt")
          launch = Launcher('extradir/blah.py',
                            r'http://rlee287.github.io/pyautoupdate/testing/')
          launch._reset_update_dir()
          if os.path.isdir("downloads"):
              os.rmdir("downloads")
      request.addfinalizer(teardown)
      with open('version.txt', mode='w') as version_file:
          version_file.write("0.0.1")
      os.mkdir("extradir")
      with open(os.path.join("extradir", "blah.py"), mode='w') as code:
          code.write("print('This is the old version')")
      with open("filelist.txt", mode='w') as filelist:
          filelist.write("extradir/blah.py")
      return fixture_update_dir
  
  @pytest.mark.trylast
  @needinternet
  def test_check_vers_update(fixture_update_dir):
      assert os.path.isfile("filelist.txt")
      launch = Launcher('extradir/blah.py',
                        r'http://rlee287.github.io/pyautoupdate/testing/')
      print("launch.oldcwd:", launch.oldcwd)
      print("os.getcwd:",os.getcwd())
      print("launch.cwd:",launch.cwd)
      launch.update_code()
      print("Files copied back:")
      for dirpath, dirnames, filenames in os.walk("."):
          print("dir:",os.path.abspath(dirpath))
          for filename in filenames:
              print("file:",os.path.join(dirpath,filename))
      assert os.path.isfile("extradir/blah.py")
      with open(os.path.abspath("extradir/blah.py"), "r") as file_code:
          file_text=file_code.read()
      assert "new version" in file_text
      assert os.path.isfile("filelist.txt")
  
new_contents: from __future__ import absolute_import, print_function
  
  from ..pyautoupdate.launcher import Launcher
  from .pytest_skipif import needinternet
  
  import pytest
  
  import os
  import shutil
  
  @pytest.fixture(scope='function')
  def fixture_update_setup(request):
      """Sets up and tears down version docs and code files"""
      def teardown():
          if os.path.isfile('version.txt.old'):
              os.remove('version.txt.old')
          if os.path.isfile('version.txt'):
              os.remove('version.txt')
          if os.path.isdir("extradir"):
              shutil.rmtree("extradir")
          if os.path.isfile("filelist.txt"):
              os.remove("filelist.txt")
          launch = Launcher('extradir/blah.py',
                            r'http://rlee287.github.io/pyautoupdate/testing/')
          launch._reset_update_dir()
          if os.path.isdir("downloads"):
              os.rmdir("downloads")
      request.addfinalizer(teardown)
      with open('version.txt', mode='w') as version_file:
          version_file.write("0.0.1")
      os.mkdir("extradir")
      with open(os.path.join("extradir", "blah.py"), mode='w') as code:
          code.write("print('This is the old version')")
      with open("filelist.txt", mode='w') as filelist:
          filelist.write("extradir/blah.py")
      return fixture_update_dir
  
  @pytest.mark.trylast
  @needinternet
  def test_check_update(fixture_update_setup):
      """Checks the ability of program to upload new code"""
      assert os.path.isfile("filelist.txt")
      launch = Launcher('extradir/blah.py',
                        r'http://rlee287.github.io/pyautoupdate/testing/')
      print("launch.oldcwd:", launch.oldcwd)
      print("os.getcwd:",os.getcwd())
      print("launch.cwd:",launch.cwd)
      launch.update_code()
      print("Files copied back:")
      for dirpath, dirnames, filenames in os.walk("."):
          print("dir:",os.path.abspath(dirpath))
          for filename in filenames:
              print("file:",os.path.join(dirpath,filename))
      assert os.path.isfile("extradir/blah.py")
      with open(os.path.abspath("extradir/blah.py"), "r") as file_code:
          file_text=file_code.read()
      assert "new version" in file_text
      assert os.path.isfile("filelist.txt")
  
subject: Write docstrings for test_update