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#![cfg(feature = "unmanaged")]
use std::time::Duration;
use tokio::{task, time};
use deadpool::unmanaged::{Pool, PoolError};
#[tokio::test]
async fn basic() {
let pool = Pool::from(vec![(), (), ()]);
let status = pool.status();
assert_eq!(status.size, 3);
assert_eq!(status.available, 3);
let _val0 = pool.get().await;
let status = pool.status();
assert_eq!(status.size, 3);
assert_eq!(status.available, 2);
let _val1 = pool.get().await;
let status = pool.status();
assert_eq!(status.size, 3);
assert_eq!(status.available, 1);
let _val2 = pool.get().await;
let status = pool.status();
assert_eq!(status.size, 3);
assert_eq!(status.available, 0);
}
#[tokio::test]
async fn closing() {
let pool = Pool::<i64>::new(1);
pool.try_add(42).unwrap();
let obj = pool.get().await.unwrap();
let join_handle = {
let pool = pool.clone();
tokio::spawn(async move { pool.get().await })
};
assert!(!pool.is_closed());
assert_eq!(pool.status().available, 0);
task::yield_now().await;
pool.close();
assert!(pool.is_closed());
task::yield_now().await;
assert_eq!(pool.status().available, 0);
assert!(matches!(join_handle.await.unwrap(), Err(PoolError::Closed)));
assert!(matches!(pool.get().await, Err(PoolError::Closed)));
assert!(matches!(pool.try_get(), Err(PoolError::Closed)));
drop(obj);
assert!(pool.is_closed());
assert!(matches!(pool.try_get(), Err(PoolError::Closed)));
assert_eq!(pool.status().available, 0);
}
#[tokio::test(flavor = "multi_thread")]
async fn concurrent() {
let pool = Pool::from(vec![0usize, 0, 0]);
// Spawn tasks
let futures = (0..100)
.map(|_| {
let pool = pool.clone();
tokio::spawn(async move {
*pool.get().await.unwrap() += 1;
})
})
.collect::<Vec<_>>();
// Await tasks to finish
for future in futures {
future.await.unwrap();
}
// Verify
let status = pool.status();
assert_eq!(status.size, 3);
assert_eq!(status.available, 3);
let values = [pool.get().await, pool.get().await, pool.get().await];
assert_eq!(
values
.iter()
.map(|obj| **obj.as_ref().unwrap())
.sum::<usize>(),
100,
);
}
#[tokio::test(flavor = "multi_thread")]
async fn test_unmanaged_add_remove() {
let pool = Pool::new(2);
pool.add(1).await.unwrap();
assert_eq!(pool.status().size, 1);
pool.add(2).await.unwrap();
assert_eq!(pool.status().size, 2);
assert!(
time::timeout(Duration::from_millis(10), pool.add(3))
.await
.is_err(),
"adding a third item should timeout"
);
pool.remove().await.unwrap();
assert_eq!(pool.status().size, 1);
assert!(
time::timeout(Duration::from_millis(10), pool.add(3))
.await
.is_ok(),
"adding a third item should not timeout"
);
pool.remove().await.unwrap();
assert_eq!(pool.status().size, 1);
pool.remove().await.unwrap();
assert_eq!(pool.status().size, 0);
}
#[tokio::test(flavor = "multi_thread")]
async fn try_add_try_remove() {
let pool = Pool::new(2);
pool.try_add(1).unwrap();
assert_eq!(pool.status().size, 1);
pool.try_add(2).unwrap();
assert_eq!(pool.status().size, 2);
assert!(pool.try_add(3).is_err());
pool.try_remove().unwrap();
assert_eq!(pool.status().size, 1);
assert!(pool.try_add(3).is_ok());
pool.try_remove().unwrap();
assert_eq!(pool.status().size, 1);
pool.try_remove().unwrap();
assert_eq!(pool.status().size, 0);
}
#[tokio::test(flavor = "multi_thread")]
async fn add_timeout() {
let pool = Pool::from(vec![1]);
let add = {
let pool = pool.clone();
tokio::spawn(async move {
pool.add(2).await.unwrap();
})
};
let mut iv = time::interval(Duration::from_millis(10));
iv.tick().await;
iv.tick().await;
pool.try_remove().unwrap();
assert!(
time::timeout(Duration::from_millis(10), add).await.is_ok(),
"add should not timeout"
);
assert_eq!(pool.status().size, 1);
assert_eq!(pool.try_remove().unwrap(), 2);
}
|
