old_contents: from facesync.facesync import facesync
  
  def test_facesyc(tmpdir):
  	fs = facesync()
  	assert(len(fs.audio_files)==0)
  	assert(len(fs.video_files)==0)
  	assert(len(fs.offsets)==0)
  	assert(fs.target_audio==None)
  	assert(isinstance(fs.audio_files,list))
  	assert(isinstance(fs.video_files,list))
  	assert(isinstance(fs.offsets,list))
  
  	video_files = ['../resources/sample1.MP4']
  	target_audio = ['../resources/cosan_synctune.wav']
  	fs = facesync(video_files=video_files,target_audio=target_audio)
  	fs.extract_audio()
  	fs.audio_files = ['../resources/sample1.wav']
  	
new_contents: from facesync.facesync import facesync
  
  def test_facesyc(tmpdir):
  	fs = facesync()
  	assert(len(fs.audio_files)==0)
  	assert(len(fs.video_files)==0)
  	assert(len(fs.offsets)==0)
  	assert(fs.target_audio==None)
  	assert(isinstance(fs.audio_files,list))
  	assert(isinstance(fs.video_files,list))
  	assert(isinstance(fs.offsets,list))
  
  	video_files = ['../resources/sample1.MP4']
  	target_audio = ['../resources/cosan_synctune.wav']
  	fs = facesync(video_files=video_files,target_audio=target_audio)
  	fs.extract_audio()
  	assert(fs.audio_files == ['../resources/sample1.wav'])
  	fs.find_offset_fft()
  	assert(isinstance(fs.offsets,list))
  	
subject: add test