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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