def test_tie_break(self):
print('test tie break')
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, 'a'), Duration(1, 8))
sub_beam = Beam([b, c])
beam = Beam([a, d])
a.tie()
assert a.is_tied_to
assert d.is_tied_from
beam.add(sub_beam, 1)
assert not a.is_tied_to
assert not d.is_tied_from
def test_tie(self):
print('test_next_note')
a = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
b = Note(DiatonicPitch(3, 'a'), Duration(1, 8))
c = Note(DiatonicPitch(3, 'c'), Duration(1, 8))
Beam([a, b, c])
assert not a.is_tied_to
assert not b.is_tied_from
a.tie()
assert a.is_tied_to
assert b.is_tied_from
assert a.tied_to == b
assert b.tied_from == a
a.untie()
assert not a.is_tied_to
assert not b.is_tied_from
assert a.tied_to is None
assert b.tied_from is None
with self.assertRaises(Exception):
c.tie()
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