test_py3kwarn.py 文件源码

def test_operator(self):
        from operator import isCallable, sequenceIncludes

        callable_warn = ("operator.isCallable() is not supported in 3.x. "
                         "Use hasattr(obj, '__call__').")
        seq_warn = ("operator.sequenceIncludes() is not supported "
                    "in 3.x. Use operator.contains().")
        with check_py3k_warnings() as w:
            self.assertWarning(isCallable(self), w, callable_warn)
            w.reset()
            self.assertWarning(sequenceIncludes(range(3), 2), w, seq_warn)