text: # Copyright 2020 The PEGASUS 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.
  
  """Tests for pegasus.ops.parsing_ops."""
  
  from pegasus.ops import parsing_ops
  import tensorflow as tf
  
  _SUBWORDS = "pegasus/ops/testdata/subwords"
  _SPM = "pegasus/ops/testdata/sp_test.model"
  
  
  class TFDSParsingOpsTest(tf.test.TestCase):
  
    def test_encode(self):
      string = ["the quick brown fox.", "the quick brown"]
      ids = parsing_ops.encode(string, 10, _SUBWORDS, "subword")
      self.assertAllEqual(
          [[8, 9, 10, 11, 12, 38, 1, 0, 0, 0], [8, 9, 10, 11, 1, 0, 0, 0, 0, 0]],
          ids)
  
    def test_encode_length(self):
      string = ["99 the quick brown fox.", "97 the quick brown"]
      ids = parsing_ops.encode(
          string, 10, _SUBWORDS, "subword", has_length_token=True)
      self.assertAllEqual([[99, 8, 9, 10, 11, 12, 38, 1, 0, 0],
                           [97, 8, 9, 10, 11, 1, 0, 0, 0, 0]], ids)
  
    def test_decode(self):
      ids = tf.constant([[8, 9, 10, 11, 12, 38, 1, 0, 0, 0]], tf.int64)
      strings = parsing_ops.decode(ids, _SUBWORDS, "subword")
      self.assertAllEqual([b"the quick brown fox."], strings)
  
    def test_spm_prefix(self):
      string = ["25 the quick brown fox.", "23 the quick brown"]
      ids = parsing_ops.encode(
          string, 10, _SPM, "sentencepiece_newline", has_length_token=True)
      self.assertAllEqual(25, ids[0][0])
      self.assertAllEqual(23, ids[1][0])
      decodes = parsing_ops.decode(ids, _SPM, "sentencepiece_newline")
      self.assertAllEqual(["the quick brown fox.", "the quick brown"], decodes)
  
    def test_parse_json(self):
      document, summary = parsing_ops.parse_json(
          '{"document": "document text", "summary": "summary text"}')
      self.assertAllEqual("document text", document)
      self.assertAllEqual("summary text", summary)
  
  
  if __name__ == "__main__":
    tf.enable_eager_execution()
    tf.test.main()
  