Files
dagx/tests/runtimes/smol.rs
T

70 lines
1.6 KiB
Rust

//! Runtime compatibility tests for smol
use dagx::{DagRunner, Task};
use crate::common::task_fn;
struct Value(i32);
#[dagx::task]
impl Value {
async fn run(&mut self) -> i32 {
self.0
}
}
struct Add;
#[dagx::task]
impl Add {
async fn run(&mut self, a: &i32, b: &i32) -> i32 {
a + b
}
}
#[test]
fn test_basic_dag_smol() {
smol::block_on(async {
let dag = DagRunner::new();
let x = dag.add_task(Value(2));
let y = dag.add_task(Value(3));
let sum = dag.add_task(Add).depends_on((&x, &y));
dag.run(|fut| { smol::spawn(fut).detach(); }).await.unwrap();
assert_eq!(dag.get(sum).unwrap(), 5);
});
}
#[test]
fn test_parallel_execution_smol() {
smol::block_on(async {
let dag = DagRunner::new();
let tasks: Vec<_> = (0..10)
.map(|i| dag.add_task(task_fn(move |_: ()| async move { i * 2 })))
.collect();
dag.run(|fut| { smol::spawn(fut).detach(); }).await.unwrap();
for (i, task) in tasks.iter().enumerate() {
assert_eq!(dag.get(task).unwrap(), i * 2);
}
});
}
#[test]
fn test_complex_dependencies_smol() {
smol::block_on(async {
let dag = DagRunner::new();
let a = dag.add_task(Value(10));
let b = dag.add_task(Value(20));
let sum = dag.add_task(Add).depends_on((&a, &b));
let double = dag
.add_task(task_fn(|x: i32| async move { x * 2 }))
.depends_on(sum);
dag.run(|fut| { smol::spawn(fut).detach(); }).await.unwrap();
assert_eq!(dag.get(double).unwrap(), 60);
});
}