class_docstr: Base class for dataset tests.
docstr: Returns a singleton dataset with the given structure.
docstr_tok: ["Returns","a","singleton","dataset","with","the","given","structure","."]
code: def structuredDataset(
      self, dataset_structure, shape=None, dtype=dtypes.int64
  ):
      """Returns a singleton dataset with the given structure."""
      if shape is None:
          shape = []
      if dataset_structure is None:
          return dataset_ops.Dataset.from_tensors(
              array_ops.zeros(shape, dtype=dtype)
          )
      else:
          return dataset_ops.Dataset.zip(
              tuple(
                  [
                      self.structuredDataset(substructure, shape, dtype)
                      for substructure in dataset_structure
                  ]
              )
          )
  
imports: import os
  import random
  import re
  from tensorflow.python.data.experimental.ops import lookup_ops
  from tensorflow.python.data.experimental.ops import random_access
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import test_mode
  from tensorflow.python.data.util import nest
  from tensorflow.python.data.util import structure
  from tensorflow.python.eager import context
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import config
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_dataset_ops
  from tensorflow.python.ops import gen_experimental_dataset_ops
  from tensorflow.python.ops import lookup_ops
  from tensorflow.python.ops import tensor_array_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import test
label_desc: Use image node_id 11 for calling the DatasetTestBase obj's underlying member method code with example usage: obj.structuredDataset(dataset_structure, shape, dtype) and returns: dataset_ops, dataset_ops