test_path.py 文件源码

def setup_environment():
    """Setup testenvironment for some functions that are tested
    in this module. In particular this functions stores attributes
    and other things that we need to stub in some test functions.
    This needs to be done on a function level and not module level because
    each testfunction needs a pristine environment.
    """
    global oldstuff, platformstuff
    oldstuff = (env.copy(), os.name, sys.platform, path.get_home_dir, IPython.__file__, os.getcwd())