def test_simple_beam_reverse(self):
print('test simple beam reverse')
a = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
beam = Beam([a, b, c, d])
print(beam)
beam.reverse()
print(beam)
notes = beam.get_all_notes()
assert notes is not None
assert len(notes) == 4
assert notes[0].diatonic_pitch == DiatonicPitch(3, 'd')
assert notes[1].diatonic_pitch == DiatonicPitch(3, 'c')
assert notes[2].diatonic_pitch == DiatonicPitch(3, 'b')
assert notes[3].diatonic_pitch == DiatonicPitch(3, 'a')
assert notes[0].relative_position == Offset(0)
assert notes[1].relative_position == Offset(1, 8)
assert notes[2].relative_position == Offset(1, 4)
assert notes[3].relative_position == Offset(3, 8)
def test_nested_structure_reverse(self):
print('test nested structure reverse')
a = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 3, [a, b, c, d])
e = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
f = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
g = Note(DiatonicPitch(4, 'g'), Duration(1, 8))
a1 = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
sub_beam = Beam([e, f, g, a1])
b1 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c1 = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
d1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e1 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
beam = Beam([b1, tuplet, c1, sub_beam, d1, e1])
AbstractNote.print_structure(beam)
beam.reverse()
AbstractNote.print_structure(beam)
notes = beam.get_all_notes()
assert notes is not None
assert len(notes) == 12
assert notes[0].diatonic_pitch == DiatonicPitch(3, 'e')
assert notes[1].diatonic_pitch == DiatonicPitch(3, 'd')
assert notes[2].diatonic_pitch == DiatonicPitch(3, 'a')
assert notes[3].diatonic_pitch == DiatonicPitch(4, 'g')
assert notes[4].diatonic_pitch == DiatonicPitch(4, 'f')
assert notes[5].diatonic_pitch == DiatonicPitch(4, 'e')
assert notes[6].diatonic_pitch == DiatonicPitch(3, 'c')
assert notes[7].diatonic_pitch == DiatonicPitch(4, 'd')
assert notes[8].diatonic_pitch == DiatonicPitch(4, 'c')
assert notes[9].diatonic_pitch == DiatonicPitch(4, 'b')
assert notes[10].diatonic_pitch == DiatonicPitch(4, 'a')
assert notes[11].diatonic_pitch == DiatonicPitch(3, 'b')
def test_ties_reverse(self):
print('test ties reverse')
a = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
b = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
c = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
d = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 3, [a, b, c, d])
e = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
f = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
g = Note(DiatonicPitch(4, 'g'), Duration(1, 8))
a1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
sub_beam = Beam([e, f, g, a1])
b1 = Note(DiatonicPitch(3, 'b'), Duration(1, 8))
c1 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
d1 = Note(DiatonicPitch(3, 'd'), Duration(1, 8))
e1 = Note(DiatonicPitch(3, 'e'), Duration(1, 8))
beam = Beam([b1, tuplet, c1, sub_beam, d1, e1])
b1.tie()
d.tie()
c1.tie()
a1.tie()
AbstractNote.print_structure(beam)
beam.reverse()
AbstractNote.print_structure(beam)
assert a.is_tied_to and a.tied_to == b1
assert b1.is_tied_from and b1.tied_from == a
assert c1.is_tied_to and c1.tied_to == d
assert d.is_tied_from and d.tied_from == c1
assert e.is_tied_to and e.tied_to == c1
assert c1.is_tied_from and c1.tied_from == e
assert d1.is_tied_to and d1.tied_to == a1
assert a1.is_tied_from and a1.tied_from == d1