code: def test_strids2ids(tokens, expected_ids):
      ids = data_io.strids2ids(tokens)
      assert ids == expected_ids
  
imports: import os
  import random
  from tempfile import TemporaryDirectory
  from typing import Optional, List, Tuple
  import numpy
  import pytest
  import torch
  from sockeye import constants
  from sockeye import data_io
  from sockeye import utils
  from sockeye import vocab
  from sockeye.test_utils import tmp_digits_dataset
  from sockeye.utils import SockeyeError, get_tokens, seed_rngs
label_desc: Use image node_id 5 for calling a global function with example usage: test_strids2ids(tokens, expected_ids) without return types