def test_github_issue_8_sloppy_midi():
prog = ChordProgression.from_midi_file(
os.path.join(os.path.dirname(__file__), "test_data", "issue_8.mid"))
assert prog == ChordProgression([
Chord(
name="A#min",
root=Note("A#", 3),
intervals=Intervals(name="min", semitones=[0, 3, 7]),
),
Chord(
name="D#",
root=Note("D#", 4),
intervals=Intervals(name="", semitones=[0, 4, 7]),
),
Chord(
name="D#min",
root=Note("D#", 4),
intervals=Intervals(name="min", semitones=[0, 3, 7]),
),
Chord(
name="A#min/G#",
root=Note("G#", 3),
intervals=Intervals(name="min/b7", semitones=[0, 5, 9, 14]),
),
])
def make_midi_file(chord_names, beats_per_chord, out_file):
chords = []
for name in chord_names:
try:
chord = Chord.from_name(name)
except InvalidChord:
chord = ChordProgression.DUMMY_CHORD
chords.append(chord)
progression = ChordProgression(chords)
progression.to_midi(
MidiConversionSettings(filename=out_file,
instrument=11,
beats_per_chord=beats_per_chord))
def test_github_issue_61_progression():
"""https://github.com/jonathangjertsen/jchord/issues/61#issuecomment-777575298"""
prog = ChordProgression.from_string("4F -- 3Am -- 4Dm7 -- 4F --")
assert prog == ChordProgression([
Chord(
name="F",
root=Note("F", 4),
intervals=Intervals(name="major", semitones=[0, 4, 7]),
),
Chord(
name="F",
root=Note("F", 4),
intervals=Intervals(name="major", semitones=[0, 4, 7]),
),
Chord(
name="Am",
root=Note("A", 3),
intervals=Intervals(name="m", semitones=[0, 3, 7]),
),
Chord(
name="Am",
root=Note("A", 3),
intervals=Intervals(name="m", semitones=[0, 3, 7]),
),
Chord(
name="Dm7",
root=Note("D", 4),
intervals=Intervals(name="m7", semitones=[0, 3, 7, 10]),
),
Chord(
name="Dm7",
root=Note("D", 4),
intervals=Intervals(name="m7", semitones=[0, 3, 7, 10]),
),
Chord(
name="F",
root=Note("F", 4),
intervals=Intervals(name="major", semitones=[0, 4, 7]),
),
Chord(
name="F",
root=Note("F", 4),
intervals=Intervals(name="major", semitones=[0, 4, 7]),
),
])