def test_strip_change(): """Test changing stripped delimiters""" fobj = io.StringIO('abc~def~') rdr = ReadLines(fobj, delimiter='~') assert rdr.peek() == 'abc~' rdr.strip_delimiter = True assert rdr.peek() == 'abc' assert next(rdr) == 'abc' rdr.strip_delimiter = False assert next(rdr) == 'def~'