sgallagh / centos / centpkg

Forked from centos/centpkg 3 years ago
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import warnings
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__unittest=True
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class _AssertWarnsContext(object):
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    def __init__(self, warningtype, testcase, msg=''):
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        self.warningtype = warningtype
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        warnings.filterwarnings('error')
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        self.failureException = testcase.failureException
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    def __enter__(self):
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        return self
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    def __exit__(self, exc_type, exc_value, tb):
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        if exc_type is None:
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            try:
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                exc_name = self.warningtype.__name__
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            except AttributeError:
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                exc_name = str(self.warningtype)
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            raise self.failureException(
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                "{0} not raised".format(exc_name))
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        if not issubclass(exc_type, self.warningtype):
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            raise self.failureException('"%s" does not match "%s"' %
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                    (self.warningtype.__name__, str(exc_type.__name__)))
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        return True
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class CatchWarningsMixin(object):
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    def assertWarns(self, wrnClass, callableObj=None, *args, **kwargs):
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        context = _AssertWarnsContext(wrnClass, self)
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        if callableObj is None:
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            return context
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        with context:
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            callableObj(*args, **kwargs)