class_docstr: Tests for distributed save/load with the new load algorithm.
class_docstr_tok: ["Tests","for","distributed","save\/load","with","the","new","load","algorithm","."]
code: def test_dataset_spec_file_is_optional(self, num_elements: int):
      cluster = data_service_test_base.TestCluster(num_workers=1)
      snapshot_dir = data_service_test_base.TempDir()
      dataset = dataset_ops.Dataset.range(num_elements)
      self.evaluate(
          distributed_save_op.distributed_save(
              dataset,
              snapshot_dir.full_path,
              cluster.dispatcher_address(),
          )
      )
  
      dataset = load_op._load_with_retry(snapshot_dir.full_path)
      self.assertDatasetProduces(dataset, list(range(num_elements)))
  
      # After removing the dataset_spec file, the loaded dataset should produce
      # the same output.
      os.remove(
          os.path.join(
              snapshot_dir.full_path, dataset_ops.DATASET_SPEC_FILENAME
          )
      )
      dataset = load_op._load_with_retry(snapshot_dir.full_path)
      self.assertDatasetProduces(dataset, list(range(num_elements)))
  
imports: import multiprocessing
  import os
  import threading
  import time
  from typing import Callable, Optional
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.kernel_tests.service import test_base
  from tensorflow.python.data.experimental.ops import data_service_ops
  from tensorflow.python.data.experimental.ops import distributed_save_op
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import load_op
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import cond
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 10 for calling the DistributedSaveLoadTest obj's underlying member method code with example usage: obj.test_dataset_spec_file_is_optional(num_elements) without return types