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test_issn.doctest - more detailed doctests for stdnum.issn module
Copyright (C) 2010 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 more detailed doctests for the stdnum.issn module. It
tries to test more corner cases and detailed functionality that is not
really useful as module documentation.
>>> from stdnum import issn
These are tests to check what happes when a wrong type is passed.
>>> issn.is_valid(1857982185) # integer, not string
False
>>> issn.is_valid(None)
False
>>> issn.is_valid('')
False
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