test_posixpath.py 文件源码

def test_realpath_deep_recursion(self):
            depth = 10
            old_path = abspath('.')
            try:
                os.mkdir(ABSTFN)
                for i in range(depth):
                    os.symlink('/'.join(['%d' % i] * 10), ABSTFN + '/%d' % (i + 1))
                os.symlink('.', ABSTFN + '/0')
                self.assertEqual(realpath(ABSTFN + '/%d' % depth), ABSTFN)

                # Test using relative path as well.
                os.chdir(ABSTFN)
                self.assertEqual(realpath('%d' % depth), ABSTFN)
            finally:
                os.chdir(old_path)
                for i in range(depth + 1):
                    test_support.unlink(ABSTFN + '/%d' % i)
                safe_rmdir(ABSTFN)