Method test_globals_shadow_builtins

Lib/test/test_dynamic.py:29–37

(self)

        pass

    def test_globals_shadow_builtins(self):
        # Modify globals() to shadow an entry in builtins.
        def foo():
            return len([1, 2, 3])
        self.configure_func(foo)

        self.assertEqual(foo(), 3)
        with swap_item(globals(), "len", lambda x: 7):
            self.assertEqual(foo(), 7)

    def test_modify_builtins(self):
        # Modify the builtins module directly.