def test_sample_rate_error(art_warning):
try:
exc_msg = "Sample rate be must a positive integer."
with pytest.raises(ValueError, match=exc_msg):
Mp3Compression(sample_rate=0)
except ARTTestException as e:
art_warning(e)
def test_non_temporal_data_error(self, image_batch):
test_input = image_batch
mp3compression = Mp3Compression(sample_rate=16000)
exc_msg = "Mp3 compression can only be applied to temporal data across at least one channel."
with pytest.raises(ValueError, match=exc_msg):
mp3compression(test_input)
def test_check_params(art_warning):
try:
with pytest.raises(ValueError):
_ = Mp3Compression(sample_rate=1000, verbose="False")
except ARTTestException as e:
art_warning(e)
def test_mp3_compresssion(art_warning, audio_batch, channels_first):
try:
test_input, test_output, sample_rate = audio_batch
mp3compression = Mp3Compression(sample_rate=sample_rate, channels_first=channels_first)
assert_array_equal(mp3compression(test_input)[0], test_output)
except ARTTestException as e:
art_warning(e)
def test_non_temporal_data_error(art_warning, image_batch_small):
try:
test_input = image_batch_small
mp3compression = Mp3Compression(sample_rate=16000)
exc_msg = "Mp3 compression can only be applied to temporal data across at least one channel."
with pytest.raises(ValueError, match=exc_msg):
mp3compression(test_input)
except ARTTestException as e:
art_warning(e)
def test_mp3_compresssion_object(art_warning, audio_batch, channels_first):
try:
test_input, test_output, sample_rate = audio_batch
test_input_object = np.array([x for x in test_input], dtype=object)
mp3compression = Mp3Compression(sample_rate=sample_rate,
channels_first=channels_first)
assert_array_equal(mp3compression(test_input_object)[0], test_output)
grad = mp3compression.estimate_gradient(
x=test_input_object, grad=np.ones_like(test_input_object))
assert grad.dtype == object
assert grad.shape == (2, test_input.shape[1],
44100) if channels_first else (
2, 44100, test_input.shape[2])
except ARTTestException as e:
art_warning(e)
def test_mp3_compresssion(self, audio_batch, channels_first):
test_input, test_output, sample_rate = audio_batch
mp3compression = Mp3Compression(sample_rate=sample_rate, channels_first=channels_first)
assert_array_equal(mp3compression(test_input)[0], test_output)
def test_sample_rate_error(self):
exc_msg = "Sample rate be must a positive integer."
with pytest.raises(ValueError, match=exc_msg):
Mp3Compression(sample_rate=0)
