def METHOD_NAME(self):
    """No effect and codec will return the same result"""
    sample_rate = 8000
    frames_per_chunk = 256
    effector = AudioEffector(effect=None, format=None)
    original = get_sinusoid(n_channels=3, sample_rate=sample_rate, channels_first=False)
    # one-go
    output = effector.apply(original, sample_rate)
    self.assertEqual(original, output)
    # streaming
    for i, chunk in enumerate(effector.stream(original, sample_rate, frames_per_chunk)):
        start = i * frames_per_chunk
        end = (i + 1) * frames_per_chunk
        self.assertEqual(original[start:end, :], chunk)