class_docstr: Test case for SentencePieceProcessor
class_docstr_tok: ["Test","case","for","SentencePieceProcessor"]
code: def test_normalizer_rule(self):
      sp = spm.SentencePieceNormalizer(rule_name="identity")
      self.assertEqual("ＡＢＣ", sp.Normalize("ＡＢＣ"))
  
      sp = spm.SentencePieceNormalizer(rule_name="nfkc_cf")
      self.assertEqual("abc", sp.Normalize("ＡＢＣ"))
  
imports: from collections import defaultdict
  import io
  import os
  import pickle
  import sys
  import unittest
  import sentencepiece
label_desc: Use image node_id 22 for calling the TestSentencepieceProcessor obj's underlying member method code with example usage: obj.test_normalizer_rule() without return types