test_robustness.doctest - test is_valid() functions to not break Copyright (C) 2011-2017 Arthur de Jong This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA This file contains some tests for modules in the stdnum package to check whether all provided is_valid() functions can handle clearly invalid junk. >>> testvalues = ( ... None, '*&^%$', '', 0, False, object(), 'Z', 'QQ', '3', '€', u'€', ... '😴', '¥') >>> from stdnum.util import get_number_modules Go over each module and try every value. >>> for mod in get_number_modules(): ... results = [ x for x in testvalues if mod.is_valid(x) != False ] ... if results: ... print(mod.__name__, results)