def test_track():
default_trackid = "RM-J004"
data_home = "tests/resources/mir_datasets/rwc_jazz"
dataset = rwc_jazz.Dataset(data_home)
track = dataset.track(default_trackid)
expected_attributes = {
"track_id": "RM-J004",
"audio_path":
"tests/resources/mir_datasets/rwc_jazz/" + "audio/rwc-j-m01/4.wav",
"sections_path": "tests/resources/mir_datasets/rwc_jazz/" +
"annotations/AIST.RWC-MDB-J-2001.CHORUS/RM-J004.CHORUS.TXT",
"beats_path": "tests/resources/mir_datasets/rwc_jazz/" +
"annotations/AIST.RWC-MDB-J-2001.BEAT/RM-J004.BEAT.TXT",
"piece_number": "No. 4",
"suffix": "M01",
"track_number": "Tr. 04",
"title": "Crescent Serenade (Piano Solo)",
"artist": "Makoto Nakamura",
"duration": 167,
"variation": "Instrumentation 1",
"instruments": "Pf",
}
expected_property_types = {
"beats": annotations.BeatData,
"sections": annotations.SectionData,
"audio": tuple,
}
run_track_tests(track, expected_attributes, expected_property_types)
# test audio loading functions
y, sr = track.audio
assert sr == 44100
assert y.shape == (44100 * 2, )
def test_load_metadata():
data_home = "tests/resources/mir_datasets/rwc_jazz"
dataset = rwc_jazz.Dataset(data_home)
metadata = dataset._metadata
assert metadata["RM-J004"] == {
"piece_number": "No. 4",
"suffix": "M01",
"track_number": "Tr. 04",
"title": "Crescent Serenade (Piano Solo)",
"artist": "Makoto Nakamura",
"duration": 167,
"variation": "Instrumentation 1",
"instruments": "Pf",
}
assert metadata["RM-J044"] == {
"piece_number": "No. 44",
"suffix": "M04",
"track_number": "Tr. 09",
"title": "Joyful, Joyful, We Adore Thee",
"artist": "K’s Band",
"duration": 270,
"variation": "Style (Free jazz)",
"instruments": "Pf & Bs & Dr & Gt & Ts & Fl & Bar",
}
def test_to_jams():
data_home = "tests/resources/mir_datasets/rwc_jazz"
dataset = rwc_jazz.Dataset(data_home)
track = dataset.track("RM-J004")
jam = track.to_jams()
beats = jam.search(namespace="beat")[0]["data"]
assert [beat.time for beat in beats] == [
0.05,
0.86,
1.67,
2.48,
3.29,
4.1,
4.91,
5.72,
6.53,
7.34,
]
assert [beat.duration for beat in beats] == [
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
]
assert [beat.value for beat in beats] == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2]
assert [beat.confidence for beat in beats] == [
None,
None,
None,
None,
None,
None,
None,
None,
None,
None,
]
segments = jam.search(namespace="segment")[0]["data"]
assert [segment.time for segment in segments] == [0.05, 6.53, 152.06]
assert [segment.duration for segment in segments] == [
6.48,
13.099999999999998,
13.319999999999993,
]
assert [segment.value for segment in segments] == [
"nothing",
"chorus A",
"chorus B",
]
assert [segment.confidence for segment in segments] == [None, None, None]
assert jam["file_metadata"]["title"] == "Crescent Serenade (Piano Solo)"
assert jam["file_metadata"]["artist"] == "Makoto Nakamura"