def METHOD_NAME(self):
    chunk_slices_tuples = get_chunk_slice_tuples([(30, 30, 30, 10),
                                                  (25, 25, 25, 25),
                                                  (40,)])
    self.assertEqual([(slice(0, 30),
                       slice(30, 60),
                       slice(60, 90),
                       slice(90, 100)),
                      (slice(0, 25),
                       slice(25, 50),
                       slice(50, 75),
                       slice(75, 100)),
                      (slice(0, 40),)],
                     list(chunk_slices_tuples))