code: def testWavToFeaturesMicro(self):
      tmp_dir = self.get_temp_dir()
      wav_dir = os.path.join(tmp_dir, "wavs")
      os.mkdir(wav_dir)
      self._saveWavFolders(wav_dir, ["a", "b", "c"], 100)
      input_file_path = os.path.join(tmp_dir, "input.wav")
      output_file_path = os.path.join(tmp_dir, "output.c")
      wav_data = self._getWavData()
      self._saveTestWavFile(input_file_path, wav_data)
      wav_to_features.wav_to_features(
          16000,
          1000,
          10,
          10,
          40,
          True,
          "micro",
          input_file_path,
          output_file_path,
      )
      with open(output_file_path, "rb") as f:
          content = f.read()
          self.assertIn(b"const unsigned char g_input_data", content)
  
file_path: tensorflow/tensorflow/examples/speech_commands/wav_to_features_test.py
imports: import os
  import tensorflow
  from tensorflow.examples.speech_commands import wav_to_features
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 5 for calling the WavToFeaturesTest obj's underlying member method code with example usage: obj.testWavToFeaturesMicro() without return types