def test_extracts_mode_cardinality(chords, mode, expected_mode_cardinality):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
mode_cardinality = extractor.extract_mode_cardinality(chords, mode)
assert mode_cardinality == expected_mode_cardinality
def test_extract_relative_on_list(chords, expected_relative_on_list):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
relative_on_list = extractor.extract_relative_on_list(chords)
assert relative_on_list == expected_relative_on_list
def test_extracts_unique_cardinality(chords, expected_unique_cardinality):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
unique_cardinality = extractor.extract_unique_cardinality(chords)
assert unique_cardinality == expected_unique_cardinality
def test_extract_complexity(chords, expected_complexity):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
complexity = extractor.extract_complexity(chords)
assert complexity == approx(expected_complexity, 0.1)
def test_extract_harmonic_dominant_width(chords, expected_dominant_width):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
dominant_width = extractor.extract_dominant_width(chords)
assert dominant_width == approx(expected_dominant_width, 0.1)
def test_extract_harmonic_mean_in_scale(harmonic_mean_in_5th_circle,
expected_harmonic_mean_in_scale):
extractor = FeatureExtractor()
harmonic_mean_in_scale = extractor.extract_harmonic_mean_in_scale(
harmonic_mean_in_5th_circle)
assert harmonic_mean_in_scale == expected_harmonic_mean_in_scale
def test_extract_transposed_chords(chords, semitones,
expected_transposed_chords):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
transposed_chords = extractor.extract_transposed_chords_names(
chords, semitones)
assert transposed_chords == expected_transposed_chords
def test_extract_harmonic_mean_position(chords,
expected_harmonic_mean_position):
extractor = FeatureExtractor()
chords = [parse(chord) for chord in chords]
harmonic_mean_position = extractor.extract_harmonic_mean_position(chords)
assert harmonic_mean_position == approx(expected_harmonic_mean_position,
0.1)
def test_extracts_numeric_from_string_decade(input, expected_decade_as_number):
extractor = FeatureExtractor()
numeric_decade = extractor.extract_numeric_decade(input)
assert numeric_decade == expected_decade_as_number
def test_extracts_artist_from_url(raw_url, expected_artist):
extractor = FeatureExtractor()
artist = extractor.extract_pretty_artist(raw_url)
assert artist == expected_artist