text: # Copyright 2019 Huawei Technologies Co., Ltd
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  # http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  # ==============================================================================
  """
  This is the test module for mindrecord
  """
  import mindspore.dataset as ds
  from mindspore import log as logger
  
  FILES_NUM = 1
  CV_FILE_NAME = "../data/mindrecord/testTwoImageData/twobytes.mindrecord"
  
  
  def test_cv_minddataset_reader_two_png_tutorial():
      """tutorial for cv minderdataset."""
      columns_list = ["id", "file_name", "label_name", "img_data", "label_data"]
      num_readers = 1
      data_set = ds.MindDataset(CV_FILE_NAME, columns_list, num_readers)
      assert data_set.get_dataset_size() == 5
      num_iter = 0
      for item in data_set.create_dict_iterator(num_epochs=1, output_numpy=True):
          assert len(item) == 5
          logger.info("-------------- cv reader basic is {} -----------------".format(num_iter))
          logger.info("-------------- item[id] is {} ------------------------".format(item["id"]))
          logger.info("-------------- item[file_name] is {} -----------------".format(item["file_name"]))
          logger.info("-------------- item[label_name] is {} ----------------".format(item["label_name"]))
          logger.info("-------------- item[img_data] is {} ------------------".format(item["img_data"]))
          logger.info("-------------- item[img_data][500:520] is {} ---------".format(item["img_data"][500:520]))
          logger.info("-------------- item[label_data] is {} ----------------".format(item["label_data"]))
          logger.info("-------------- item[label_data][500:520] is {} -------".format(item["label_data"][500:520]))
          num_iter += 1
      assert num_iter == 5
  
  
  def test_cv_minddataset_reader_two_png_tutorial_just_image2():
      """tutorial for cv minderdataset."""
      columns_list = ["img_data", "label_data"]
      num_readers = 1
      data_set = ds.MindDataset(CV_FILE_NAME, columns_list, num_readers)
      assert data_set.get_dataset_size() == 5
      num_iter = 0
      for item in data_set.create_dict_iterator(num_epochs=1, output_numpy=True):
          assert len(item) == 2
          logger.info("-------------- cv reader basic is {} -----------------".format(num_iter))
          logger.info("-------------- item[img_data] is {} ------------------".format(item["img_data"]))
          logger.info("-------------- item[img_data][500:520] is {} ---------".format(item["img_data"][500:520]))
          logger.info("-------------- item[label_data] is {} ----------------".format(item["label_data"]))
          logger.info("-------------- item[label_data][500:520] is {} -------".format(item["label_data"][500:520]))
          num_iter += 1
      assert num_iter == 5
  