def test_items_nonexistant(self):
        cd = ConfigDict()
        cd.set((b"core2", ), b"foo", b"bloe")

        self.assertEqual([], list(cd.items((b"core", ))))
    def test_items(self):
        cd = ConfigDict()
        cd.set((b"core", ), b"foo", b"bla")
        cd.set((b"core2", ), b"foo", b"bloe")

        self.assertEqual([(b"foo", b"bla")], list(cd.items((b"core", ))))