def test_dim6(self):
chords = find_chords_from_notes(["Eb", "Gb", "A", "C"])
self.assertEqual(chords, [
Chord("Ebdim7"),
Chord("Gbdim7/Eb"),
Chord("Adim7/Eb"),
Chord("Cdim7/Eb")
])
def test_idempotence(self):
for _ in range(2):
chords = find_chords_from_notes(["Eb", "Gb", "A", "C"])
self.assertEqual(chords, [
Chord("Ebdim7"),
Chord("Gbdim7/Eb"),
Chord("Adim7/Eb"),
Chord("Cdim7/Eb")
])
self.assertEqual(chords[0].components(visible=True),
["Eb", "Gb", "A", "C"])
def _assert_chords(self, notes, expected_chords):
""" Validates that the specified notes translated to the expected chords.
:param notes: The notes of the chord, either as a list of strings,
e.g. ["G", "C", "D"] or a string, e.g. "G C D"
:param expected_chords: the chords that the notes could translate to,
specified as a list of strings, e.g. [ "Gsus4", "Csus2/G" ],
or a single string if only one chord expected.
"""
if isinstance(notes, str):
notes = notes.split()
c0 = find_chords_from_notes(notes)
if isinstance(expected_chords, str):
expected_chords = [expected_chords]
self.assertEqual(c0, [Chord(c) for c in expected_chords])
def test_sus4(self):
chords = find_chords_from_notes(["G", "C", "D"])
self.assertEqual(chords, [Chord("Gsus4"), Chord("Csus2/G")])
def test_dim(self):
chords = find_chords_from_notes(["Eb", "Gb", "A"])
self.assertEqual(chords, [Chord("Ebdim")])
def test_major_on_fifth(self):
chords = find_chords_from_notes(["B", "E", "G#"])
self.assertEqual(chords, [Chord("E/B")])
def test_major_on_third(self):
chords = find_chords_from_notes(["F#", "A", "D"])
self.assertEqual(chords, [Chord("D/F#")])
def test_major(self):
chords = find_chords_from_notes(["C", "E", "G"])
self.assertEqual(chords, [Chord("C")])
def test_minor_add4(self):
chords = find_chords_from_notes(["C", "Eb", "F", "G"])
self.assertEqual(chords, [Chord("Cmadd4")])
def test_m7dim5(self):
chords = find_chords_from_notes(["F#", "A", "C", "E"])
self.assertEqual(chords, [Chord("F#m7-5"), Chord("Am6/F#")])
def test_add9(self):
chords = find_chords_from_notes(["C", "E", "G", "D"])
self.assertEqual(chords, [Chord("Cadd9")])
def test_aug(self):
chords = find_chords_from_notes(["F", "A", "Db"])
self.assertEqual(
chords,
[Chord("Faug"), Chord("Aaug/F"),
Chord("Dbaug/F")])