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test_ismn.doctest - more detailed doctests for stdnum.ismn module
Copyright (C) 2010-2017 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 more detailed doctests for the stdnum.ismn module. It
tries to test more corner cases and detailed functionality that is not
really useful as module documentation.
>>> from stdnum import ismn
These are normal variations that should just work.
>>> ismn.validate('979-0-3217-6543-6')
'9790321765436'
>>> ismn.validate('979-0-3217-6544-3')
'9790321765443'
>>> ismn.validate('9790321765450')
'9790321765450'
>>> ismn.validate('M-3217-6546-7')
'M321765467'
>>> ismn.validate('M321765474')
'M321765474'
>>> ismn.validate('979-0-260000438')
'9790260000438'
Tests for mangling and incorrect check digits.
>>> ismn.validate('979-0-3217-6543-x')
Traceback (most recent call last):
...
InvalidFormat: ...
>>> ismn.validate('M-3217-6546-8')
Traceback (most recent call last):
...
InvalidChecksum: ...
>>> ismn.validate('979M321765450')
Traceback (most recent call last):
...
InvalidComponent: ...
>>> ismn.validate('Z-3217-6546-8')
Traceback (most recent call last):
...
InvalidFormat: ...
See if 10 to 13 digit conversion works.
>>> ismn.to_ismn13('979-0-32176544-3') # ismn13 should stay ismn13
'979-0-32176544-3'
>>> ismn.to_ismn13('M-32176546-7')
'979-0-32176546-7'
>>> ismn.to_ismn13('M 3217 65504')
'979 0 3217 65504'
Test the ismn_type() function
>>> ismn.ismn_type('M-3217-6546-7')
'ISMN10'
>>> ismn.ismn_type('BAD')
>>> ismn.ismn_type('9790321765450')
'ISMN13'
Regrouping tests.
>>> ismn.format('M-3217-6546-7')
'979-0-3217-6546-7'
>>> ismn.format('9790321765450')
'979-0-3217-6545-0'
While an EAN can also be less than 13 digits and ISMN should always be
13 digits (when not 10 digits) and start with 9790.
>>> ismn.validate('979023456784')
Traceback (most recent call last):
...
InvalidLength: ...
>>> ismn.validate('9781234567866')
Traceback (most recent call last):
...
InvalidComponent: ...
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