[Python-Dev] test_hashlib

Kristján Valur Jónsson kristjan at ccpgames.com
Sun Jul 22 03:05:35 CEST 2012

Indeed, shame on me for not mentioning this.
I rarely have the full complement of externals available when I'm doing python work, and it struck me that this unitest was failing.
I suppose it should be possible to write unittests that test more than one particular implementation.


Frá: python-dev-bounces+kristjan=ccpgames.com at python.org [python-dev-bounces+kristjan=ccpgames.com at python.org] fyrir hönd Amaury Forgeot d'Arc [amauryfa at gmail.com]
Sent: 21. júlí 2012 22:56
To: Antoine Pitrou
Cc: python-dev at python.org
Efni: Re: [Python-Dev] test_hashlib

2012/7/21 Antoine Pitrou <solipsis at pitrou.net>:
> Kristján Valur Jónsson <kristjan at ccpgames.com> wrote:
>> The code will raise ValueError when int(1) is passed in, but the
>> unittests expect a TypeError.
> Well, if test_hashlib passes, surely your analysis is wrong, no?

In the normal case, yes:

>>> import hashlib
>>> hashlib.new(1)
TypeError: name must be a string

But if the _hashlib extension module is not available, the python
version is used and ValueError is raised:

>>> import sys
>>> sys.modules['_hashlib'] = None
>>> import hashlib
>>> hashlib.new(1)
ValueError: unsupported hash type 1

Amaury Forgeot d'Arc
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