[issue6966] Ability to refer to arguments in TestCase.fail* methods

[Hari Krishna Dara]

Hari Krishna Dara <haridara at gmail.com> added the comment:

Oops... the dict part should have been "dict(lhs=first, rhs=second)":

    def failUnlessEqual(self, first, second, msg=None):
        """Fail if the two objects are unequal as determined by the '=='
           operator. Argument msg could optionally include string format
           operators named "lhs" and "rhs" (e.g., "%(lhs)r")
        """
        if not first == second:
            raise self.failureException, \
                  (msg or "%(lhs)r != %(rhs)r") % dict(lhs=first, rhs=second)

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6966>
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