class_docstr: Tests VocabInfo class
class_docstr_tok: ["Tests","VocabInfo","class"]
code: def test_vocab_info(self):
      vocab_info = vocab.get_vocab_info(self.vocab_file.name)
      self.assertEqual(vocab_info.vocab_size, 3)
      self.assertEqual(vocab_info.path, self.vocab_file.name)
      self.assertEqual(vocab_info.special_vocab.UNK, 3)
      self.assertEqual(vocab_info.special_vocab.SEQUENCE_START, 4)
      self.assertEqual(vocab_info.special_vocab.SEQUENCE_END, 5)
      self.assertEqual(vocab_info.total_size, 6)
  
file_path: seq2seq/seq2seq/test/vocab_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import tensorflow
  import numpy
  from seq2seq.data import vocab
  from seq2seq.test import utils
label_desc: Use image node_id 3 for calling the VocabInfoTest obj's underlying member method code with example usage: obj.test_vocab_info() without return types