Source code
Revision control
Copy as Markdown
Other Tools
#![cfg(all(unix, feature = "process"))]
#![warn(rust_2018_idioms)]
use std::io::ErrorKind;
use std::process::Stdio;
use std::time::Duration;
use tokio::io::AsyncReadExt;
use tokio::process::Command;
use tokio::time::sleep;
use tokio_test::assert_ok;
#[tokio::test]
async fn kill_on_drop() {
let mut cmd = Command::new("bash");
cmd.args([
"-c",
"
# Fork another child that won't get killed
sh -c 'sleep 1; echo child ran' &
disown -a
# Await our death
sleep 5
echo hello from beyond the grave
",
]);
let e = cmd.kill_on_drop(true).stdout(Stdio::piped()).spawn();
if e.is_err() && e.as_ref().unwrap_err().kind() == ErrorKind::NotFound {
println!("bash not available; skipping test");
return;
}
let mut child = e.unwrap();
sleep(Duration::from_secs(2)).await;
let mut out = child.stdout.take().unwrap();
drop(child);
let mut msg = String::new();
assert_ok!(out.read_to_string(&mut msg).await);
assert_eq!("child ran\n", msg);
}