def test_implicit_stim_conversion():
image_dir = join(get_test_data_path(), 'image')
stim = ImageStim(join(image_dir, 'button.jpg'))
ext = LengthExtractor()
result = ext.extract(stim).to_df()
assert 'text_length' in result.columns
assert result['text_length'][0] == 4
def test_implicit_stim_conversion2():
audio_dir = join(get_test_data_path(), 'audio')
stim = AudioStim(join(audio_dir, 'homer.wav'))
ext = LengthExtractor()
result = ext.extract(stim)
first_word = result[0].to_df()
assert 'text_length' in first_word.columns
assert first_word['text_length'][0] > 0
def test_text_length_extractor():
stim = TextStim(text='hello world')
ext = LengthExtractor()
result = ext.extract(stim).to_df()
assert 'text_length' in result.columns
assert result['text_length'][0] == 11