Perhaps I don't understand doctests fully, but isn't all output from
them converted to string anyway? You're essentially checking print
statements from the shell, right?
For example, here is the IS_MATCH validator's doctests:
>>> IS_MATCH('.+')('hello')
('hello', None)
>>> IS_MATCH('.+')('')
('', 'invalid expression!')
And here is a problematic doctest from my IS_NOT_WHITESPACE validator
(extended from IS_NOT_EMPTY):
>>> IS_NOT_WHITESPACE()(' spaces in between and on end ')
('spaces in between and on end', None)
The former evaluates fine, but the latter gives the error listed
earlier in this thread.
On Sep 3, 9:15 pm, mdipierro <mdipie...@cs.depaul.edu> wrote:
> Could it be one is a tuple and one is a string containing a
> representation of the same tuple?
>
> On Sep 3, 7:34 pm, Matthew <matthew.g.nor...@gmail.com> wrote:
>
> > Thank you for the resource. I did check out the files there, but
> > there isn't one that is dedicated to testing the Validators. Only
> > "validators.py" contains some doctests.
>
> > I added some more tests to my example. What is truly weird is that it
> > is failing on another test now, even though the "Got" and "Expected"
> > values are identical:
>
> > File "validators.py", line 12, in __main__.IS_NOT_WHITESPACE
> > Failed example:
> > IS_NOT_WHITESPACE()(' spaces in between and on end ')
> > Expected:
> > ('spaces in between and on end', None)
> > Got:
> > ('spaces in between and on end', None)
>
> > Is there a doctest quirk that I do not know of?
>
> > Thank you again for the help,
> > Matthew
>
> > On Sep 3, 1:33 am, Yarko Tymciurak <yark...@gmail.com> wrote:
>
> > > btw - you can browse the current source tree online -
>
> > >http://bazaar.launchpad.net/~mdipierro/web2py/devel/files
>
> > > On Thu, Sep 3, 2009 at 12:32 AM, Yarko Tymciurak <yark...@gmail.com>
> > > wrote:
> > > > gluon/tests is in the source version..
>
> > > > On Wed, Sep 2, 2009 at 10:16 PM, Matthew
> > > > <matthew.g.nor...@gmail.com>wrote:
>
> > > >> I'm not sure I understand. I don't see a gluon/tests/ folder in
> > > >> web2py and the <application>/tests/ folder is not populated for the
> > > >> sample apps. I looked at the original source of your official
> > > >> "validators.py" as a model for the extended class and its doctests.
>
> > > >> On Sep 2, 9:45 pm, mdipierro <mdipie...@cs.depaul.edu> wrote:
> > > >> > Did you look into gluon/tests/ ?
>
> > > >> > On Sep 2, 6:47 pm, Matthew <matthew.g.nor...@gmail.com> wrote:
>
> > > >> > > I am trying to extend the IS_NOT_EMPTY validator to strip out
> > > >> > > whitespace before submitting. I have two questions (code posted
> > > >> > > after
> > > >> > > questions):
>
> > > >> > > 1. How can I test the custom message constructor? Right now I
> > > >> > > always
> > > >> > > get the "expected 2 arguments, got 3" error message?
> > > >> > > 2. I am using doctests and can't tell the difference between
> > > >> > > "Expected" and "Got" in this test:
> > > >> > > **********************************************************************
> > > >> > > File "validators.py", line 14, in __main__.IS_NOT_WHITESPACE
> > > >> > > Failed example:
> > > >> > > IS_NOT_WHITESPACE()(' ')
> > > >> > > Expected:
> > > >> > > ('', 'cannot be empty!')
> > > >> > > Got:
> > > >> > > ('', 'cannot be empty!')
> > > >> > > **********************************************************************
> > > >> > > 1 items had failures:
> > > >> > > 1 of 4 in __main__.IS_NOT_WHITESPACE
> > > >> > > ***Test Failed*** 1 failures.
>
> > > >> > > SOURCE CODE
>
> > > >> > > from gluon.validators import IS_NOT_EMPTY
> > > >> > > import string
>
> > > >> > > class IS_NOT_WHITESPACE(IS_NOT_EMPTY):
> > > >> > > """
> > > >> > > Example::
> > > >> > > INPUT(_type='text', _name='name',
> > > >> > > requires=IS_NOT_WHITESPACE
> > > >> > > ())
>
> > > >> > > IS_NOT_WHITESPACE inherits from the IS_NOT_EMPTY validator. It
> > > >> > > trims the
> > > >> > > argument, a string, of whitespace before validating:
>
> > > >> > > >>> IS_NOT_WHITESPACE()(' ')
> > > >> > > ('', 'cannot be empty!')
> > > >> > > >>> IS_NOT_WHITESPACE()(' ')
> > > >> > > ('', 'cannot be empty!')
> > > >> > > >>> IS_NOT_WHITESPACE()(' \t\r')
> > > >> > > ('', 'cannot be empty!')
> > > >> > > >>> IS_NOT_WHITESPACE()(string.whitespace)
> > > >> > > ('', 'cannot be empty!')
> > > >> > > """
>
> > > >> > > def __call__(self, value):
> > > >> > > return IS_NOT_EMPTY.__call__(self, value.strip())
>
> > > >> > > # Allow doctests to be run if this file is called by python. For
> > > >> > > example:
> > > >> > > # python validators.py
> > > >> > > if __name__=='__main__':
> > > >> > > import doctest
> > > >> > > doctest.testmod()
>
> > > >> > > END SOURCECODE
>
> > > >> > > Thanks,
> > > >> > > Matthew
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