test_undefined_names.py 文件源码

def test_impossibleContext(self):
        """
        A Name node with an unrecognized context results in a RuntimeError being
        raised.
        """
        tree = compile("x = 10", "<test>", "exec", PyCF_ONLY_AST)
        # Make it into something unrecognizable.
        tree.body[0].targets[0].ctx = object()
        self.assertRaises(RuntimeError, checker.Checker, tree)