def test_LilyPondParser__spanners__Trill_01():
"""
Successful trills, showing single leaf overlap.
"""
maker = abjad.NoteMaker()
notes = maker(4 * [0], [(1, 4)])
target = abjad.Container(notes)
abjad.trill_spanner(target[2:])
abjad.trill_spanner(target[:3])
assert format(target) == abjad.String.normalize(r"""
{
c'4
\startTrillSpan
c'4
c'4
\stopTrillSpan
\startTrillSpan
c'4
\stopTrillSpan
}
""")
parser = abjad.parser.LilyPondParser()
result = parser(format(target))
assert format(target) == format(result) and target is not result
def test_LilyPondParser__spanners__Trill_02():
"""
Swapped start and stop.
"""
maker = abjad.NoteMaker()
notes = maker(4 * [0], [(1, 4)])
target = abjad.Container(notes)
abjad.trill_spanner(target[2:])
abjad.trill_spanner(target[:3])
assert format(target) == abjad.String.normalize(r"""
{
c'4
\startTrillSpan
c'4
c'4
\stopTrillSpan
\startTrillSpan
c'4
\stopTrillSpan
}
""")
string = r"\relative c' { c \startTrillSpan c c \startTrillSpan \stopTrillSpan c \stopTrillSpan }"
parser = abjad.parser.LilyPondParser()
result = parser(string)
assert format(target) == format(result) and target is not result
def test_LilyPondParser__spanners__Trill_01():
"""
Successful trills, showing single leaf overlap.
"""
maker = abjad.NoteMaker()
notes = maker(4 * [0], [(1, 4)])
target = abjad.Container(notes)
abjad.trill_spanner(target[2:])
abjad.trill_spanner(target[:3])
assert format(target) == abjad.String.normalize(
r"""
{
c'4
\startTrillSpan
c'4
c'4
\stopTrillSpan
\startTrillSpan
c'4
\stopTrillSpan
}
"""
)
parser = abjad.parser.LilyPondParser()
result = parser(format(target))
assert format(target) == format(result) and target is not result
def test_LilyPondParser__spanners__Trill_02():
"""
Swapped start and stop.
"""
maker = abjad.NoteMaker()
notes = maker(4 * [0], [(1, 4)])
target = abjad.Container(notes)
abjad.trill_spanner(target[2:])
abjad.trill_spanner(target[:3])
assert format(target) == abjad.String.normalize(
r"""
{
c'4
\startTrillSpan
c'4
c'4
\stopTrillSpan
\startTrillSpan
c'4
\stopTrillSpan
}
"""
)
string = r"\relative c' { c \startTrillSpan c c \startTrillSpan \stopTrillSpan c \stopTrillSpan }"
parser = abjad.parser.LilyPondParser()
result = parser(string)
assert format(target) == format(result) and target is not result
def test_Mutation_copy_03():
"""
Three notes crossing measure boundaries.
"""
staff = abjad.Staff("abj: | 2/8 c'8 d'8 || 2/8 e'8 f'8 || 2/8 g'8 a'8 |")
leaves = abjad.select(staff).leaves()
abjad.slur(leaves)
abjad.trill_spanner(leaves)
abjad.beam(leaves)
assert format(staff) == abjad.String.normalize(r"""
\new Staff
{
{
\time 2/8
c'8
(
\startTrillSpan
[
d'8
}
{
\time 2/8
e'8
f'8
}
{
\time 2/8
g'8
a'8
)
\stopTrillSpan
]
}
}
"""), print(format(staff))
result = abjad.mutate(leaves[-3:]).copy()
new = abjad.Staff(result)
assert format(new) == abjad.String.normalize(r"""
\new Staff
{
f'8
\time 2/8
g'8
a'8
)
\stopTrillSpan
]
}
"""), print(format(new))
assert abjad.inspect(staff).wellformed()
assert abjad.inspect(new).wellformed()
def test_Mutation_copy_01():
"""
Deep copies components.
Returns Python list of copied components.
"""
staff = abjad.Staff("abj: | 2/8 c'8 d'8 || 2/8 e'8 f'8 || 2/8 g'8 a'8 |")
leaves = abjad.select(staff).leaves()
abjad.slur(leaves)
abjad.trill_spanner(leaves)
abjad.beam(leaves)
assert format(staff) == abjad.String.normalize(r"""
\new Staff
{
{
\time 2/8
c'8
(
\startTrillSpan
[
d'8
}
{
\time 2/8
e'8
f'8
}
{
\time 2/8
g'8
a'8
)
\stopTrillSpan
]
}
}
"""), print(format(staff))
result = abjad.mutate(leaves[2:4]).copy()
new = abjad.Staff(result)
assert format(new) == abjad.String.normalize(
r"""
\new Staff
{
\time 2/8
e'8
f'8
}
""",
print(format(new)),
)
assert abjad.inspect(staff).wellformed()
assert abjad.inspect(new).wellformed()
def test_mutate_copy_02():
"""
Copy one measure.
"""
staff = abjad.Staff(
[
abjad.Container("c'8 d'"),
abjad.Container("e'8 f'"),
abjad.Container("g'8 a'"),
]
)
for container in staff:
time_signature = abjad.TimeSignature((2, 8))
abjad.attach(time_signature, container[0])
leaves = abjad.select(staff).leaves()
abjad.slur(leaves)
abjad.trill_spanner(leaves)
abjad.beam(leaves)
assert abjad.lilypond(staff) == abjad.String.normalize(
r"""
\new Staff
{
{
\time 2/8
c'8
(
\startTrillSpan
[
d'8
}
{
\time 2/8
e'8
f'8
}
{
\time 2/8
g'8
a'8
)
\stopTrillSpan
]
}
}
"""
), print(abjad.lilypond(staff))
result = abjad.mutate.copy(staff[1:2])
new = abjad.Staff(result)
assert abjad.lilypond(new) == abjad.String.normalize(
r"""
\new Staff
{
{
\time 2/8
e'8
f'8
}
}
"""
), print(abjad.lilypond(new))
assert abjad.wf.wellformed(staff)
assert abjad.wf.wellformed(new)
def test_mutate_copy_01():
"""
Deep copies components.
Returns Python list of copied components.
"""
staff = abjad.Staff(
[
abjad.Container("c'8 d'"),
abjad.Container("e'8 f'"),
abjad.Container("g'8 a'"),
]
)
for container in staff:
time_signature = abjad.TimeSignature((2, 8))
abjad.attach(time_signature, container[0])
leaves = abjad.select(staff).leaves()
abjad.slur(leaves)
abjad.trill_spanner(leaves)
abjad.beam(leaves)
assert abjad.lilypond(staff) == abjad.String.normalize(
r"""
\new Staff
{
{
\time 2/8
c'8
(
\startTrillSpan
[
d'8
}
{
\time 2/8
e'8
f'8
}
{
\time 2/8
g'8
a'8
)
\stopTrillSpan
]
}
}
"""
), print(abjad.lilypond(staff))
result = abjad.mutate.copy(leaves[2:4])
new = abjad.Staff(result)
assert abjad.lilypond(new) == abjad.String.normalize(
r"""
\new Staff
{
\time 2/8
e'8
f'8
}
""",
print(abjad.lilypond(new)),
)
assert abjad.wf.wellformed(staff)
assert abjad.wf.wellformed(new)