1#![cfg(all(unix, feature = "process"))]
2#![warn(rust_2018_idioms)]
3
4use std::io::ErrorKind;
5use std::process::Stdio;
6use std::time::Duration;
7use tokio::io::AsyncReadExt;
8use tokio::process::Command;
9use tokio::time::sleep;
10use tokio_test::assert_ok;
11
12#[tokio::test]
13async fn kill_on_drop() {
14 let mut cmd = Command::new("bash");
15 cmd.args([
16 "-c",
17 "
18 # Fork another child that won't get killed
19 sh -c 'sleep 1; echo child ran' &
20 disown -a
21
22 # Await our death
23 sleep 5
24 echo hello from beyond the grave
25 ",
26 ]);
27
28 let e = cmd.kill_on_drop(true).stdout(Stdio::piped()).spawn();
29 if e.is_err() && e.as_ref().unwrap_err().kind() == ErrorKind::NotFound {
30 println!("bash not available; skipping test");
31 return;
32 }
33 let mut child = e.unwrap();
34
35 sleep(Duration::from_secs(2)).await;
36
37 let mut out = child.stdout.take().unwrap();
38 drop(child);
39
40 let mut msg = String::new();
41 assert_ok!(out.read_to_string(&mut msg).await);
42
43 assert_eq!("child ran\n", msg);
44}
45