old_contents: from os.path import join
  from ..utils import get_test_data_path
  from pliers.filters import AudioTrimmingFilter, TemporalTrimmingFilter
  from pliers.stimuli import AudioStim
  import pytest
  
  AUDIO_DIR = join(get_test_data_path(), 'audio')
  
  
  def test_audio_trimming_filter():
      audio = AudioStim(join(AUDIO_DIR, 'homer.wav'), onset=0.0)
      filt = TemporalTrimmingFilter(start=1.0, end=3.0)
      short_audio = filt.transform(audio)
      assert short_audio.duration == 2.0
      assert short_audio.sampling_rate == audio.sampling_rate
  
      frame_filt = AudioTrimmingFilter(start=1.5)
      short_audio = frame_filt.transform(audio)
      assert short_audio.onset == 0.0
      assert short_audio.duration == 1.9
  
      long_filt = AudioTrimmingFilter(start=1.0, end=5.0)
      short_audio = long_filt.transform(audio)
      assert short_audio.duration == audio.duration - 1.0
      assert short_audio.sampling_rate == audio.sampling_rate
  
      error_filt = AudioTrimmingFilter(start=1.0, end=5.0, validation='strict')
      with pytest.raises(ValueError):
          short_audio = error_filt.transform(audio)
  
new_contents: from os.path import join
  from ..utils import get_test_data_path
  from pliers.filters import AudioTrimmingFilter, TemporalTrimmingFilter
  from pliers.stimuli import AudioStim
  import pytest
  
  AUDIO_DIR = join(get_test_data_path(), 'audio')
  
  
  def test_audio_trimming_filter():
      audio = AudioStim(join(AUDIO_DIR, 'homer.wav'), onset=0.0)
      filt = TemporalTrimmingFilter(start=1.0, end=3.0)
      short_audio = filt.transform(audio)
      assert short_audio.duration == 2.0
      assert short_audio.sampling_rate == audio.sampling_rate
  
      frame_filt = AudioTrimmingFilter(start=1.5)
      short_audio = frame_filt.transform(audio)
      assert short_audio.onset == 0.0
      assert short_audio.duration == 1.9
  
      long_filt = AudioTrimmingFilter(start=1.0, end=5.0)
      short_audio = long_filt.transform(audio)
      assert short_audio.duration == audio.duration - 1.0
      assert short_audio.sampling_rate == audio.sampling_rate
  
      error_filt = AudioTrimmingFilter(start=1.0, end=5.0, validation='strict')
      with pytest.raises(ValueError):
          short_audio = error_filt.transform(audio)
      
  
  @pytest.mark.parametrize('target_sr', [8000, 22050])
  @pytest.mark.parametrize('resample_type', ['kaiser_best', 'kaiser_fast', 'scipy', 'fft', 'polyphase'])
  def test_audio_resampling_filter(target_sr, resample_type):
  
      stim = AudioStim(join(AUDIO_DIR, 'homer.wav'))
      filt = AudioResamplingFilter(target_sr, resample_type)
      resampled = filt.transform(stim)
      
      assert resampled.sampling_rate == target_rs
      assert np.abs(target_sr * stim.duration - resampled.shape[0]) <= 1
  
subject: add tests