text: # coding=utf-8
  # Copyright 2022 The TensorFlow Datasets Authors.
  #
  # 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.
  
  """wordnet dataset."""
  
  import tensorflow_datasets.public_api as tfds
  from tensorflow_datasets.text import wordnet
  
  
  class WordnetTest(tfds.testing.DatasetBuilderTestCase):
    """Tests for Wordnet dataset."""
    DATASET_CLASS = wordnet.Wordnet
    SPLITS = {
        'train': 3,
        'validation': 2,
        'test': 1,
    }
  
    DL_EXTRACT_RESULT = {
        'WN18': '',
        'WN18RR': '',
    }
  
    def test_info(self):
      """Before download, there is no metadata."""
      super(WordnetTest, self).test_info()
      self.assertEmpty(self.builder.info.metadata)
  
    def test_info_after_download_and_prepare(self):
      """After downloading, metadata should be populated."""
      for config in self.builder.BUILDER_CONFIGS:
        with self._subTest(config.name):
          builder = self._make_builder(config=config)
          self._download_and_prepare_as_dataset(builder)
          self.assertEqual(builder.info.metadata['synsets']['07491708']['name'],
                           '__enjoyment_NN_1')
          self.assertEqual(
              builder.info.metadata['synsets']['08769179']['definition'],
              'an area in Germany around the upper Elbe river; '
              'the original home of the Saxons')
  
  
  if __name__ == '__main__':
    tfds.testing.test_main()
  