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Add a test for recursive note groups

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This commit is contained in:
Denis Redozubov 2023-06-15 16:10:19 +04:00
parent 1582b47194
commit 58bb2ba87c
1 changed files with 33 additions and 9 deletions
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42
src/dsl/dsl.rs
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@ -419,7 +419,7 @@ fn test_known_length_groups() {
length: SIXTEENTH.clone(),
times: Times(1),
}]);
assert_eq!(groups.to_128th(), 96);
assert_eq!(groups.to_128th(), 64);
}
fn hit(input: &str) -> IResult<&str, Note> {
@ -488,7 +488,7 @@ fn times(input: &str) -> IResult<&str, Times> {
fn group(input: &str) -> IResult<&str, Group<GroupOrNote>> {
let repeated = map(
tuple((times, char(','), length, many1(note)),
tuple((times, char(','), length, many1(note))),
|(t, _, l, n)| (t, l, n),
);
let single = map(tuple((length, many1(note))), |(l, vn)| (Times(1), l, vn));
@ -523,21 +523,32 @@ pub fn flatten_group(input: Group<GroupOrNote>) -> Groups {
let mut out_groups = Vec::new();
input.notes.iter().for_each(|g| match g {
SingleGroup(group) => {
let isolated_group = Group { notes: note_group.clone(), length: input.length, times: Times(1) };
let isolated_group = Group {
notes: note_group.clone(),
length: input.length,
times: Times(1),
};
out_groups.push(isolated_group);
note_group.clear();
out_groups.extend(flatten_group(group.clone()).0);
},
}
SingleNote(note) => {
note_group.push(*note);
}
});
Groups(out_groups.iter().cloned().cycle().take(out_groups.len() * (input.times.0 as usize)).collect())
Groups(
out_groups
.iter()
.cloned()
.cycle()
.take(out_groups.len() * (input.times.0 as usize))
.collect(),
)
}
pub fn flatten_groups<I>(input_groups: I) -> Groups
where
I: IntoIterator<Item = Group<GroupOrNote>>
I: IntoIterator<Item = Group<GroupOrNote>>,
{
let mut out = Vec::new();
input_groups.into_iter().for_each(|g| {
@ -564,13 +575,13 @@ fn test_flatten_group() {
Group {
notes: vec![Hit],
length: *SIXTEENTH,
times: Times(1)
times: Times(1),
},
Group {
notes: vec![Rest, Hit],
length: *EIGHTH,
times: Times(3)
}
times: Times(3),
},
]);
assert_eq!(flatten_group(group("(2,16x(3,8-x))").unwrap().1), out);
}
@ -623,6 +634,19 @@ fn parse_groups() {
#[test]
fn parse_group() {
let expectation = Group {
times: *TWICE,
notes: vec![
SingleNote(Hit),
SingleGroup(Group {
times: *ONCE,
notes: vec![],
length: *EIGHTH
})
],
length: *SIXTEENTH
};
assert_eq!(group("(2,16x(8-x))"), Ok(("", expectation)));
assert_eq!(
group("16x--x-"),
Ok((