2019-05-14 10:27:36 -07:00

402 lines
8.9 KiB
Rust

#![deny(warnings, rust_2018_idioms)]
mod support;
use crate::support::*;
use futures::Stream;
use tokio_mock_task::MockTask;
use tokio_timer::*;
#[test]
fn single_immediate_delay() {
mocked(|_timer, time| {
let mut queue = DelayQueue::new();
let _key = queue.insert_at("foo", time.now());
let entry = assert_ready!(queue).unwrap();
assert_eq!(*entry.get_ref(), "foo");
let entry = assert_ready!(queue);
assert!(entry.is_none())
});
}
#[test]
fn multi_immediate_delays() {
mocked(|_timer, time| {
let mut queue = DelayQueue::new();
let _k = queue.insert_at("1", time.now());
let _k = queue.insert_at("2", time.now());
let _k = queue.insert_at("3", time.now());
let mut res = vec![];
while res.len() < 3 {
let entry = assert_ready!(queue).unwrap();
res.push(entry.into_inner());
}
let entry = assert_ready!(queue);
assert!(entry.is_none());
res.sort();
assert_eq!("1", res[0]);
assert_eq!("2", res[1]);
assert_eq!("3", res[2]);
});
}
#[test]
fn single_short_delay() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let _key = queue.insert_at("foo", time.now() + ms(5));
let mut task = MockTask::new();
task.enter(|| {
assert_not_ready!(queue);
});
turn(timer, ms(1));
assert!(!task.is_notified());
turn(timer, ms(5));
assert!(task.is_notified());
let entry = assert_ready!(queue).unwrap();
assert_eq!(*entry.get_ref(), "foo");
let entry = assert_ready!(queue);
assert!(entry.is_none());
});
}
#[test]
fn multi_delay_at_start() {
let long = 262_144 + 9 * 4096;
let delays = &[1000, 2, 234, long, 60, 10];
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
// Setup the delays
for &i in delays {
let _key = queue.insert_at(i, time.now() + ms(i));
}
task.enter(|| {
assert_not_ready!(queue);
});
assert!(!task.is_notified());
for elapsed in 0..1200 {
turn(timer, ms(1));
let elapsed = elapsed + 1;
if delays.contains(&elapsed) {
assert!(task.is_notified());
task.enter(|| {
assert_ready!(queue);
assert_not_ready!(queue);
});
} else {
if task.is_notified() {
let cascade = &[192, 960];
assert!(cascade.contains(&elapsed), "elapsed={}", elapsed);
task.enter(|| {
assert_not_ready!(queue, "elapsed={}", elapsed);
});
}
}
}
});
}
#[test]
fn insert_in_past_fires_immediately() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let now = time.now();
turn(timer, ms(10));
queue.insert_at("foo", now);
assert_ready!(queue);
});
}
#[test]
fn remove_entry() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let key = queue.insert_at("foo", time.now() + ms(5));
task.enter(|| {
assert_not_ready!(queue);
});
let entry = queue.remove(&key);
assert_eq!(entry.into_inner(), "foo");
turn(timer, ms(10));
task.enter(|| {
let entry = assert_ready!(queue);
assert!(entry.is_none());
});
});
}
#[test]
fn reset_entry() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let now = time.now();
let key = queue.insert_at("foo", now + ms(5));
task.enter(|| {
assert_not_ready!(queue);
});
turn(timer, ms(1));
queue.reset_at(&key, now + ms(10));
task.enter(|| {
assert_not_ready!(queue);
});
turn(timer, ms(7));
assert!(!task.is_notified());
task.enter(|| {
assert_not_ready!(queue);
});
turn(timer, ms(3));
assert!(task.is_notified());
let entry = assert_ready!(queue).unwrap();
assert_eq!(*entry.get_ref(), "foo");
let entry = assert_ready!(queue);
assert!(entry.is_none())
});
}
#[test]
fn reset_much_later() {
// Reproduces tokio-rs/tokio#849.
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
turn(timer, ms(1));
let key = queue.insert_at("foo", epoch + ms(200));
task.enter(|| {
assert_not_ready!(queue);
});
turn(timer, ms(3));
queue.reset_at(&key, epoch + ms(5));
turn(timer, ms(20));
assert!(task.is_notified());
});
}
#[test]
fn reset_twice() {
// Reproduces tokio-rs/tokio#849.
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
turn(timer, ms(1));
let key = queue.insert_at("foo", epoch + ms(200));
task.enter(|| {
assert_not_ready!(queue);
});
turn(timer, ms(3));
queue.reset_at(&key, epoch + ms(50));
turn(timer, ms(20));
queue.reset_at(&key, epoch + ms(40));
turn(timer, ms(20));
assert!(task.is_notified());
});
}
#[test]
fn remove_expired_item() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let now = time.now();
turn(timer, ms(10));
let key = queue.insert_at("foo", now);
let entry = queue.remove(&key);
assert_eq!(entry.into_inner(), "foo");
})
}
#[test]
fn expires_before_last_insert() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
queue.insert_at("foo", epoch + ms(10_000));
// Delay should be set to 8.192s here.
task.enter(|| {
assert_not_ready!(queue);
});
// Delay should be set to the delay of the new item here
queue.insert_at("bar", epoch + ms(600));
task.enter(|| {
assert_not_ready!(queue);
});
advance(timer, ms(600));
assert!(task.is_notified());
let entry = assert_ready!(queue).unwrap().into_inner();
assert_eq!(entry, "bar");
})
}
#[test]
fn multi_reset() {
mocked(|_, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
let foo = queue.insert_at("foo", epoch + ms(200));
let bar = queue.insert_at("bar", epoch + ms(250));
task.enter(|| {
assert_not_ready!(queue);
});
queue.reset_at(&foo, epoch + ms(300));
queue.reset_at(&bar, epoch + ms(350));
queue.reset_at(&foo, epoch + ms(400));
})
}
#[test]
fn expire_first_key_when_reset_to_expire_earlier() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
let foo = queue.insert_at("foo", epoch + ms(200));
queue.insert_at("bar", epoch + ms(250));
task.enter(|| {
assert_not_ready!(queue);
});
queue.reset_at(&foo, epoch + ms(100));
advance(timer, ms(100));
assert!(task.is_notified());
let entry = assert_ready!(queue).unwrap().into_inner();
assert_eq!(entry, "foo");
})
}
#[test]
fn expire_second_key_when_reset_to_expire_earlier() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
queue.insert_at("foo", epoch + ms(200));
let bar = queue.insert_at("bar", epoch + ms(250));
task.enter(|| {
assert_not_ready!(queue);
});
queue.reset_at(&bar, epoch + ms(100));
advance(timer, ms(100));
assert!(task.is_notified());
let entry = assert_ready!(queue).unwrap().into_inner();
assert_eq!(entry, "bar");
})
}
#[test]
fn reset_first_expiring_item_to_expire_later() {
mocked(|timer, time| {
let mut queue = DelayQueue::new();
let mut task = MockTask::new();
let epoch = time.now();
let foo = queue.insert_at("foo", epoch + ms(200));
let _bar = queue.insert_at("bar", epoch + ms(250));
task.enter(|| {
assert_not_ready!(queue);
});
queue.reset_at(&foo, epoch + ms(300));
advance(timer, ms(250));
assert!(task.is_notified());
let entry = assert_ready!(queue).unwrap().into_inner();
assert_eq!(entry, "bar");
})
}