code: def test_enqueue_sparse_and_ragged(self):
      self.skip_if_oss()
      strategy, mid_level_api, _ = self._create_strategy_and_mid_level(
          "sgd"
      )
  
      sparse = self._create_sparse_dataset(strategy)
      ragged = self._create_ragged_dataset(strategy)
      sparse_iter = iter(
          strategy.experimental_distribute_dataset(
              sparse,
              options=distribute_lib.InputOptions(
                  experimental_fetch_to_device=False
              ),
          )
      )
      ragged_iter = iter(
          strategy.experimental_distribute_dataset(
              ragged,
              options=distribute_lib.InputOptions(
                  experimental_fetch_to_device=False
              ),
          )
      )
  
      @def_function.function
      def test_fn():
          def step():
              return mid_level_api.dequeue()
  
          sparse_features = next(sparse_iter)
          ragged_features = next(ragged_iter)
          features = (
              sparse_features[0],
              ragged_features[1],
              sparse_features[2],
          )
          mid_level_api.enqueue(features, training=False)
          return strategy.run(step)
  
      test_fn()
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.compat import v2_compat
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.distribute import distribute_lib
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework.tensor_shape import TensorShape
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import init_ops_v2
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import test
  from tensorflow.python.tpu import tpu_embedding_v2
  from tensorflow.python.tpu import tpu_embedding_v2_utils
  from tensorflow.python.tpu.tests import tpu_embedding_base_test
  from tensorflow.python.util import nest
label_desc: Use image node_id 2 for calling the TPUEmbeddingTest obj's underlying member method code with example usage: obj.test_enqueue_sparse_and_ragged() and returns: strategy, mid_level_api