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|
use proptest::prelude::*;
use proptest_derive::Arbitrary;
use super::*;
fn create_thumbnail() -> Thumbnail {
Thumbnail {
id: MappedId::next(),
timestamp: None,
on_current_output: false,
on_current_workspace: false,
app_id: None,
size: Size::new(100, 100),
clock: Clock::with_time(Duration::ZERO),
config: niri_config::MruPreviews::default(),
open_animation: None,
move_animation: None,
title_texture: Default::default(),
background: RefCell::new(FocusRing::new(Default::default())),
border: RefCell::new(FocusRing::new(Default::default())),
}
}
#[test]
fn remove_last_window_out_of_two() {
let ops = [Op::Backward, Op::Remove(1)];
let thumbnails = vec![create_thumbnail(), create_thumbnail()];
let current_id = thumbnails.first().map(|t| t.id);
let mut mru = WindowMru {
thumbnails,
current_id,
scope: MruScope::All,
app_id_filter: None,
};
check_ops(&mut mru, &ops);
}
fn arbitrary_scope() -> impl Strategy<Value = MruScope> {
prop_oneof![
Just(MruScope::All),
Just(MruScope::Output),
Just(MruScope::Workspace),
]
}
fn arbitrary_filter() -> impl Strategy<Value = MruFilter> {
prop_oneof![Just(MruFilter::All), Just(MruFilter::AppId)]
}
fn arbitrary_app_id() -> impl Strategy<Value = Option<String>> {
prop_oneof![Just(None), Just(Some(1)), Just(Some(2))]
.prop_map(|id| id.map(|id| format!("app-{id}")))
}
prop_compose! {
fn arbitrary_thumbnail()(
timestamp: Option<Duration>,
on_current_output: bool,
on_current_workspace: bool,
app_id in arbitrary_app_id(),
) -> Thumbnail {
let mut thumbnail = create_thumbnail();
thumbnail.timestamp = timestamp;
thumbnail.on_current_workspace = on_current_workspace;
thumbnail.on_current_output = on_current_output;
thumbnail.app_id = app_id;
thumbnail
}
}
prop_compose! {
fn arbitrary_mru()(
thumbnails in proptest::collection::vec(arbitrary_thumbnail(), 1..10),
) -> WindowMru {
let current_id = thumbnails.first().map(|t| t.id);
WindowMru {
thumbnails,
current_id,
scope: MruScope::All,
app_id_filter: None,
}
}
}
#[derive(Debug, Clone, Arbitrary)]
enum Op {
Forward,
Backward,
First,
Last,
SetScope(#[proptest(strategy = "arbitrary_scope()")] MruScope),
SetFilter(#[proptest(strategy = "arbitrary_filter()")] MruFilter),
Remove(#[proptest(strategy = "1..10usize")] usize),
}
impl Op {
fn apply(&self, mru: &mut WindowMru) {
match self {
Op::Forward => mru.forward(),
Op::Backward => mru.backward(),
Op::First => mru.first(),
Op::Last => mru.last(),
Op::SetScope(scope) => {
mru.set_scope(*scope);
}
Op::SetFilter(filter) => {
mru.set_filter(*filter);
}
Op::Remove(idx) => {
if *idx < mru.thumbnails.len() {
mru.remove_by_idx(*idx);
}
}
}
}
}
fn check_ops(mru: &mut WindowMru, ops: &[Op]) {
for op in ops {
op.apply(mru);
mru.verify_invariants();
}
}
proptest! {
#[test]
fn random_operations_dont_panic(
mut mru in arbitrary_mru(),
ops: Vec<Op>,
) {
check_ops(&mut mru, &ops);
}
}
|
