class_docstr: Test case for SentencePieceProcessor
class_docstr_tok: ["Test","case","for","SentencePieceProcessor"]
code: def test_train(self):
      spm.SentencePieceTrainer.Train(
          "--input="
          + os.path.join(data_dir, "botchan.txt")
          + " --model_prefix=m --vocab_size=1000"
      )
      sp = spm.SentencePieceProcessor()
      sp.Load("m.model")
      with open(os.path.join(data_dir, "botchan.txt"), "r") as file:
          for line in file:
              sp.DecodePieces(sp.EncodeAsPieces(line))
              sp.DecodeIds(sp.EncodeAsIds(line))
  
imports: from collections import defaultdict
  import io
  import os
  import pickle
  import sys
  import unittest
  import sentencepiece
label_desc: Use image node_id 6 for calling the TestSentencepieceProcessor obj's underlying member method code with example usage: obj.test_train() without return types