Feature Requests item #588825, was opened at 2002-07-30 17:29
Message generated for change (Comment added) made by rhettinger
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Stefan Wehr (stefanheimann)
Assigned to: Collin Winter (collinwinter)
Summary: unittest.py, better error message
Initial Comment:
These two methods of the class TestCase are not very good:
def failUnlessEqual(self, first, second, msg=None):
"""Fail if the two objects are unequal as
determined by the '!='
operator.
"""
if first != second:
raise self.failureException, \
(msg or '%s != %s' % (`first`, `second`))
def failIfEqual(self, first, second, msg=None):
"""Fail if the two objects are equal as
determined by the '=='
operator.
"""
if first == second:
raise self.failureException, \
(msg or '%s == %s' % (`first`, `second`))
The first thing is that you should print the difference
of the given values like that:
'<%s> == <%s>' % (`first`, `second`)
The < and > delimits the string and so is is easier to
detect where the string starts and where it ends.
The second thing is that I would really like to see the
two values that are (not) equal even if I provide a
message. Maybe its better to raise the exception like that:
if msg is not None:
msg += ' Expected: <%s>, is: <%s>' %
(first, second)
raise self.failureException, \
(msg or '%s != %s' % (`first`, `second`))
bye Stefan
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>Comment By: Raymond Hettinger (rhettinger)
Date: 2007-03-30 11:52
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Collin, you should probably solicit Steve Purcell's input before
proceeding with the one. The request seems reasonable but the module
author should have some say in the matter.
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Comment By: Brett Cannon (bcannon)
Date: 2003-05-20 23:47
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I am making this an RFE since it is just a suggestion and not a bug.
----------------------------------------------------------------------
Comment By: Raymond Hettinger (rhettinger)
Date: 2002-08-18 17:19
Message:
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Steve, would you like these implemented or left as is?
----------------------------------------------------------------------
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