def test_repr(self):
self.assertEqual(repr(pm.Note("E")), '<Note E>')
self.assertEqual(repr(pm.Note(
"A#",
4,
)), '<Note A#4>')
self.assertEqual(repr(pm.Note("Gbb", 3, "4")), '<Note Gbb3:4>')
self.assertEqual(repr(pm.Note("F#", 0, "3.t")), '<Note F#0:3.t>')
self.assertEqual(repr(pm.Note("B#", 3, "5.")), '<Note B#3:5.>')
def test_octave(self):
self.assertEqual(pm.Note("C").octave, None)
self.assertEqual(pm.Note("C", 4).octave, 4)
_note = pm.Note("F")
_note.octave = 0
self.assertEqual(_note.octave, 0)
with self.assertRaises(ValueError):
pm.Note("C", 1.1)
with self.assertRaises(ValueError):
pm.Note("C", "C")
def test_note_method(self):
A5 = pm.Note("A", 5)
B2 = pm.Note("B", 2)
Bb3 = pm.Note("Bb", 3)
As4 = pm.Note("A#", 4)
G5 = pm.Note("G", 5)
Gb2 = pm.Note("Gb", 2)
E6 = pm.Note("E", 6)
Dbb2 = pm.Note("Dbb", 2)
Dss3 = pm.Note("D##", 3)
intvl1 = pm.Interval("p1")
intvl2 = pm.Interval("a1")
intvl3 = pm.Interval("m2")
intvl4 = pm.Interval("M2")
intvl5 = pm.Interval("M3")
intvl6 = pm.Interval("P4")
intvl7 = pm.Interval("D5")
intvl8 = pm.Interval("D5", 1)
intvl9 = pm.Interval("p1", 2)
intvl10 = pm.Interval("A5")
intvl11 = pm.Interval("M7")
intvl12 = pm.Interval("d7")
intvl13 = pm.Interval("a3")
intvl14 = pm.Interval("a..4")
intvl15 = pm.Interval("d...5", 2)
intvl16 = pm.Interval("d.2")
intvl17 = pm.Interval("m3", 1)
intvl18 = pm.Interval("m3", 2)
intvl19 = pm.Interval("M7", 1)
intvl20 = pm.Interval("M7", 3)
intvl21 = pm.Interval("p1", 1)
self.assertEqual((A5 + intvl1).name, "A")
self.assertEqual((A5 + intvl2).name, "A#")
self.assertEqual((B2 + intvl19).name, "A#")
self.assertEqual((B2 + intvl19).octave, 4)
self.assertEqual((E6 + intvl15).name, "Bbbbb")
self.assertEqual((Dss3 + intvl16).name, "Eb")
self.assertEqual((G5 + intvl20).name, "F#")
self.assertEqual((G5 + intvl20).octave, 9)
self.assertEqual((A5 - intvl1).name, "A")
self.assertEqual((A5 - intvl2).name, "Ab")
self.assertEqual((B2 - intvl19).name, "C")
self.assertEqual((B2 - intvl19).octave, 1)
self.assertEqual((E6 - intvl15).name, "A####")
self.assertEqual((Dss3 - intvl16).name, "C#####")
self.assertEqual((G5 - intvl20).name, "Ab")
self.assertEqual((G5 - intvl20).octave, 1)
def test_rhythm_set(self):
pm.Note("C", 4, "0t")
dot_quarter = pm.Note("D", 5, "3.")
sextuplet = pm.Note("E", 2, "5t")
crazy = pm.Note("Fbbb", -10, "7..t")
crazy.rhythm = 0
crazy.rhythm = "3.t"
with self.assertRaises(ValueError):
pm.Note("C", 1, "4tt")
with self.assertRaises(ValueError):
pm.Note("C", 1, "11")
with self.assertRaises(ValueError):
pm.Note("C", 1, "t")
with self.assertRaises(ValueError):
pm.Note("C", 1, "0t.")
with self.assertRaises(ValueError):
pm.Note("C", 1, ".")
def test_set_A4(self):
pm.A4.setA4(442)
self.assertEqual(pm.A4.getA4(), 442)
self.assertAlmostEqual(pm.Note("A", 5).frequency, 884)
with self.assertRaises(ValueError):
pm.A4.setA4(-1)
with self.assertRaises(ValueError):
pm.A4.setA4(0)
with self.assertRaises(ValueError):
pm.A4.setA4("440")
def test_hard_pitch(self):
C0 = pm.Note("C", 0)
C1 = pm.Note("C", 1)
Cn1 = pm.Note("C", -1)
C4 = pm.Note("C", 4)
B3 = pm.Note("B", 3)
B4 = pm.Note("B", 4)
Db4 = pm.Note("Db", 4)
A4 = pm.Note("A", 4)
self.assertEqual(C0.hard_pitch, 0)
self.assertEqual(C1.hard_pitch, 12)
self.assertEqual(Cn1.hard_pitch, -12)
self.assertEqual(C4.hard_pitch, 48)
self.assertEqual(B3.hard_pitch, 47)
self.assertEqual(B4.hard_pitch, 59)
self.assertEqual(Db4.hard_pitch, 49)
self.assertEqual(A4.hard_pitch, 57)
def test_frequency(self):
A4 = pm.Note("A", 4)
A3 = pm.Note("A", 3)
A5 = pm.Note("A", 5)
C4 = pm.Note("C", 4)
B3 = pm.Note("B", 3)
B4 = pm.Note("B", 4)
Db4 = pm.Note("Db", 4)
self.assertEqual(A4.frequency, 440)
self.assertEqual(A3.frequency, 220)
self.assertEqual(A5.frequency, 880)
self.assertAlmostEqual(C4.frequency, 261.6, 1)
self.assertAlmostEqual(B3.frequency, 246.9, 1)
self.assertAlmostEqual(B4.frequency, 493.9, 1)
self.assertAlmostEqual(Db4.frequency, 277.2, 1)
def test_pitch_offset(self):
note_As = pm.Note("A#")
note_C = pm.Note("C")
note_Gb = pm.Note("Gb")
note_G = pm.Note("G")
note_Ess = pm.Note("E##")
note_Bbb = pm.Note("Bbb")
note_Dss = pm.Note("D##")
self.assertEqual(note_As.pitch_offset, 1)
self.assertEqual(note_C.pitch_offset, 0)
self.assertEqual(note_Gb.pitch_offset, -1)
self.assertEqual(note_G.pitch_offset, 0)
self.assertEqual(note_Ess.pitch_offset, 2)
self.assertEqual(note_Bbb.pitch_offset, -2)
self.assertEqual(note_Dss.pitch_offset, 2)
def test_enharmonic(self):
C = pm.Note("C")
Bs = pm.Note("B#")
E = pm.Note("E")
Fb = pm.Note("Fb")
Dss = pm.Note("D##")
As = pm.Note("A#")
Bb = pm.Note("Bb")
Abbb = pm.Note("Abbb")
self.assertEqual(Bs.enharmonic().name, C.name)
self.assertEqual(E.enharmonic(None, True).name, Fb.name)
self.assertEqual(Fb.enharmonic().name, E.name)
self.assertEqual(Dss.enharmonic().name, E.name)
self.assertEqual(As.enharmonic().name, Bb.name)
self.assertEqual(Bb.enharmonic().name, As.name)
self.assertEqual(As.enharmonic("#").name, "A#")
self.assertEqual(Bb.enharmonic("b").name, "Bb")
self.assertEqual(Abbb.enharmonic("#").name, "F#")
self.assertEqual(Abbb.enharmonic("b").name, "Gb")
def test_letter_value(self):
self.assertEqual(pm.Note("C").letter, 0)
self.assertEqual(pm.Note("C#").letter, 0)
self.assertEqual(pm.Note("Cb").letter, 0)
self.assertEqual(pm.Note("Cbb").letter, 0)
self.assertEqual(pm.Note("C##").letter, 0)
self.assertEqual(pm.Note("D").letter, 1)
self.assertEqual(pm.Note("D#").letter, 1)
self.assertEqual(pm.Note("Db").letter, 1)
self.assertEqual(pm.Note("Dbb").letter, 1)
self.assertEqual(pm.Note("D##").letter, 1)
self.assertEqual(pm.Note("E").letter, 2)
self.assertEqual(pm.Note("E#").letter, 2)
self.assertEqual(pm.Note("Eb").letter, 2)
self.assertEqual(pm.Note("Ebb").letter, 2)
self.assertEqual(pm.Note("E##").letter, 2)
self.assertEqual(pm.Note("F").letter, 3)
self.assertEqual(pm.Note("F#").letter, 3)
self.assertEqual(pm.Note("Fb").letter, 3)
self.assertEqual(pm.Note("Fbb").letter, 3)
self.assertEqual(pm.Note("F##").letter, 3)
self.assertEqual(pm.Note("G").letter, 4)
self.assertEqual(pm.Note("G#").letter, 4)
self.assertEqual(pm.Note("Gb").letter, 4)
self.assertEqual(pm.Note("Gbb").letter, 4)
self.assertEqual(pm.Note("G##").letter, 4)
self.assertEqual(pm.Note("A").letter, 5)
self.assertEqual(pm.Note("A#").letter, 5)
self.assertEqual(pm.Note("Ab").letter, 5)
self.assertEqual(pm.Note("Abb").letter, 5)
self.assertEqual(pm.Note("A##").letter, 5)
self.assertEqual(pm.Note("B").letter, 6)
self.assertEqual(pm.Note("B#").letter, 6)
self.assertEqual(pm.Note("Bb").letter, 6)
self.assertEqual(pm.Note("Bbb").letter, 6)
self.assertEqual(pm.Note("B##").letter, 6)
def test_accidentals(self):
pm.Note("A#")
pm.Note("A##")
pm.Note("Ab")
pm.Note("Abb")
pm.Note("B#")
pm.Note("B##")
pm.Note("Bb")
pm.Note("Bbb")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("A#")
pm.Note("Bbb")
pm.Note("G##")
pm.Note("Fb")
with self.assertRaises(ValueError):
pm.Note('Ab#')
with self.assertRaises(ValueError):
pm.Note('Eb#')
def test_natural_note(self):
self.assertEqual(pm.Note("A").name, "A")
self.assertEqual(pm.Note("b").name, "B")
self.assertEqual(pm.Note("B ").name, "B")
self.assertEqual(pm.Note("B").name, "B")
self.assertEqual(pm.Note(" c").name, "C")
self.assertEqual(pm.Note("C").name, "C")
self.assertEqual(pm.Note("D").name, "D")
self.assertEqual(pm.Note("E").name, "E")
self.assertEqual(pm.Note("F").name, "F")
self.assertEqual(pm.Note("G").name, "G")
with self.assertRaises(ValueError):
pm.Note('AA')
with self.assertRaises(ValueError):
pm.Note('H')
def test_rhythm_val(self):
pm.Note("C", 4, "0t").rhythm
double_whole = pm.Note("C", 2, "0")
self.assertEqual(double_whole.rhythm.value, 1024)
five_twelth = pm.Note("C", 3, "10")
self.assertEqual(five_twelth.rhythm.value, 1)
dot_quarter = pm.Note("D", 5, "3.")
self.assertEqual(dot_quarter.rhythm.value, 192)
trip_quarter = pm.Note("E", 2, "3t")
self.assertAlmostEqual(trip_quarter.rhythm.value, 85.3333333333333)
self.assertEqual(pm.Note("A", None, "0").rhythm.value, 1024)
self.assertEqual(pm.Note("A", None, "1").rhythm.value, 512)
self.assertEqual(pm.Note("A", None, "2").rhythm.value, 256)
self.assertEqual(pm.Note("A", None, "3").rhythm.value, 128)
self.assertEqual(pm.Note("A", None, "4").rhythm.value, 64)
self.assertEqual(pm.Note("A", None, "5").rhythm.value, 32)
self.assertEqual(pm.Note("A", None, "6").rhythm.value, 16)
self.assertEqual(pm.Note("A", None, "7").rhythm.value, 8)
self.assertEqual(pm.Note("A", None, "8").rhythm.value, 4)
self.assertEqual(pm.Note("A", None, "9").rhythm.value, 2)
self.assertEqual(pm.Note("A", None, "10").rhythm.value, 1)
self.assertEqual(pm.Note("A", None, "0.").rhythm.value, 1536)
self.assertEqual(pm.Note("A", None, "10.").rhythm.value, 1.5)
self.assertAlmostEqual(
pm.Note("A", None, "10t").rhythm.value, 0.6666666666666)
def test_pitch_value(self):
self.assertEqual(pm.Note("C").pitch, 0)
self.assertEqual(pm.Note("C#").pitch, 1)
self.assertEqual(pm.Note("Cb").pitch, 11)
self.assertEqual(pm.Note("Cbb").pitch, 10)
self.assertEqual(pm.Note("C##").pitch, 2)
self.assertEqual(pm.Note("D").pitch, 2)
self.assertEqual(pm.Note("D#").pitch, 3)
self.assertEqual(pm.Note("Db").pitch, 1)
self.assertEqual(pm.Note("Dbb").pitch, 0)
self.assertEqual(pm.Note("D##").pitch, 4)
self.assertEqual(pm.Note("E").pitch, 4)
self.assertEqual(pm.Note("E#").pitch, 5)
self.assertEqual(pm.Note("Eb").pitch, 3)
self.assertEqual(pm.Note("Ebb").pitch, 2)
self.assertEqual(pm.Note("E##").pitch, 6)
self.assertEqual(pm.Note("F").pitch, 5)
self.assertEqual(pm.Note("F#").pitch, 6)
self.assertEqual(pm.Note("Fb").pitch, 4)
self.assertEqual(pm.Note("Fbb").pitch, 3)
self.assertEqual(pm.Note("F##").pitch, 7)
self.assertEqual(pm.Note("G").pitch, 7)
self.assertEqual(pm.Note("G#").pitch, 8)
self.assertEqual(pm.Note("Gb").pitch, 6)
self.assertEqual(pm.Note("Gbb").pitch, 5)
self.assertEqual(pm.Note("G##").pitch, 9)
self.assertEqual(pm.Note("A").pitch, 9)
self.assertEqual(pm.Note("A#").pitch, 10)
self.assertEqual(pm.Note("Ab").pitch, 8)
self.assertEqual(pm.Note("Abb").pitch, 7)
self.assertEqual(pm.Note("A##").pitch, 11)
self.assertEqual(pm.Note("B").pitch, 11)
self.assertEqual(pm.Note("B#").pitch, 0)
self.assertEqual(pm.Note("Bb").pitch, 10)
self.assertEqual(pm.Note("Bbb").pitch, 9)
self.assertEqual(pm.Note("B##").pitch, 1)
def test_intvl_from_notes(self):
A = pm.Note("A")
B = pm.Note("B")
Bb = pm.Note("Bb")
As = pm.Note("A#")
G = pm.Note("G")
Gb = pm.Note("Gb")
E = pm.Note("E")
Dbb = pm.Note("Dbb")
Dss = pm.Note("D##")
self.assertEqual(pm.Interval.from_notes(A, B).name, "Major 2nd")
self.assertEqual(pm.Interval.from_notes(A, Bb).name, "Minor 2nd")
self.assertEqual(
pm.Interval.from_notes(A, As).name, "Augmented unison")
self.assertEqual(pm.Interval.from_notes(G, A).name, "Major 2nd")
self.assertEqual(pm.Interval.from_notes(Gb, B).name, "Augmented 3rd")
self.assertEqual(
pm.Interval.from_notes(Dss, Dbb).name, "Diminished(x4) unison")
self.assertEqual(pm.Interval.from_notes(E, B).name, "Perfect 5th")
self.assertEqual(pm.Interval.from_notes(B, E).name, "Perfect 4th")
A4 = A
A4.octave = 4
A5 = pm.Note("A", 5)
A6 = pm.Note("A", 6)
B3 = B
B3.octave = 3
G2 = G
G2.octave = 2
Bb4 = Bb
Bb4.octave = 4
E5 = E
E5.octave = 5
Gb2 = Gb
Gb2.octave = 2
self.assertEqual(pm.Interval.from_notes(A4, Bb4).name, "Minor 2nd")
self.assertEqual(pm.Interval.from_notes(A4, E5).name, "Perfect 5th")
self.assertEqual(pm.Interval.from_notes(G2, B3).name, "Major 10th")
self.assertEqual(pm.Interval.from_notes(E5, Bb4).name, "Augmented 4th")
self.assertEqual(pm.Interval.from_notes(Bb4, E5).name, "Augmented 4th")
self.assertEqual(pm.Interval.from_notes(Bb4, E5).name, "Augmented 4th")
self.assertEqual(pm.Interval.from_notes(Bb4, E5).name, "Augmented 4th")
self.assertEqual(pm.Interval.from_notes(A4, A5).name, "Perfect octave")
self.assertEqual(pm.Interval.from_notes(A4, A6).name, "2 octaves")