ghost-node/tests/running_the_node_and_interrupt.rs

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use assert_cmd::cargo::cargo_bin;
use std::{
process::{self, Command},
time::Duration,
};
use tempfile::tempdir;
pub mod common;
#[tokio::test]
#[cfg(unix)]
async fn running_the_node_works_and_can_be_interrupted() {
use nix::{
sys::signal::{
kill,
Signal::{self, SIGINT, SIGTERM,},
},
unistd::Pid,
};
async fn run_command_and_kill(signal: Signal) {
let tmpdir = tempdir().expect("could not create temp dir");
let mut cmd = Command::new(cargo_bin("ghost"))
.stdout(process::Stdio::piped())
.stderr(process::Stdio::piped())
.args(["--dev", "-d"])
.arg(tmpdir.path())
.arg("--no-hardware-benchmark")
.spawn()
.unwrap();
let (ws_url, _) = common::find_ws_url_from_output(cmd.stderr.take().unwrap());
// Let produce three blocks.
common::wait_n_finalized_blocks(3, from_secs(60)), &ws_url)
.await
.unwrap();
assert!(cmd.try_wait().unwrap().is_none(), "the process should still be running");
kill(Pid::from_raw(cmd.id().try_into().unwrap()), signal).unwrap();
assert_eq!(
common::wait_for(&mut cmd, 30).map(|x| x.success()),
Some(true),
"the process must exit gracefully after signal {}",
signal,
);
}
run_command_and_kill(SIGINT).await;
run_command_and_kill(SIGTERM).await;
}