text: # Copyright (c) OpenMMLab. All rights reserved.
  import os.path as osp
  import random
  import string
  
  from mmcls.datasets.utils import check_integrity, rm_suffix
  
  
  def test_dataset_utils():
      # test rm_suffix
      assert rm_suffix('a.jpg') == 'a'
      assert rm_suffix('a.bak.jpg') == 'a.bak'
      assert rm_suffix('a.bak.jpg', suffix='.jpg') == 'a.bak'
      assert rm_suffix('a.bak.jpg', suffix='.bak.jpg') == 'a'
  
      # test check_integrity
      rand_file = ''.join(random.sample(string.ascii_letters, 10))
      assert not check_integrity(rand_file, md5=None)
      assert not check_integrity(rand_file, md5=2333)
      test_file = osp.join(osp.dirname(__file__), '../../data/color.jpg')
      assert check_integrity(test_file, md5='08252e5100cb321fe74e0e12a724ce14')
      assert not check_integrity(test_file, md5=2333)
  