docstr: If output=reference, the score should be 1.
docstr_tok: ["If","output=reference",",","the","score","should","be","1","."]
code: def testMatchingOutputAndReference(self):
      """If output=reference, the score should be 1."""
      input_sentence = [3, 1, 4, 1, 5, 9, 2, 6, 5]
      output = [3, 1, 4, 1, 80, 70]
      references = [output]
      score, _, _, _ = sari_hook.get_sari_score(
          input_sentence, output, references
      )
      self.assertEqual(1, score)
  
file_path: tensor2tensor/tensor2tensor/utils/sari_hook_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import numpy
  from tensor2tensor.utils import sari_hook
  import tensorflow.compat.v1
label_desc: Use image node_id 6 for calling the SariHookTest obj's underlying member method code with example usage: obj.testMatchingOutputAndReference() without return types