Files
sausage/host/tests/harness.rs
T

126 lines
4.0 KiB
Rust

//! Integration of pi-durable's coding tools with the shared VFS and Exec contract.
use sausage::{
exec::{Command, Exec, Options, Stream},
harness::run_module,
world::World,
};
use std::sync::{Arc, Mutex};
#[derive(Default)]
struct FakeExec(Mutex<Vec<String>>);
#[async_trait::async_trait]
impl Exec for FakeExec {
async fn exec(
&self,
command: Command,
options: Options,
output: &mut (dyn for<'chunk> FnMut(Stream, &'chunk [u8]) + Send),
) -> anyhow::Result<i32> {
assert!(!options.conversations.is_empty(), "missing conversation id");
let Command::Shell(command) = command else {
anyhow::bail!("expected shell command")
};
self.0
.lock()
.unwrap()
.push(format!("{}:{}", options.cwd, command));
if std::env::var("HARNESS_CRASH_PHASE").as_deref() == Ok("tool") {
println!("CRASH_READY");
use std::io::Write;
std::io::stdout().flush()?;
std::future::pending::<()>().await;
}
output(Stream::Stdout, b"streamed stdout\n");
output(Stream::Stderr, b"streamed stderr\n");
Ok(0)
}
}
#[tokio::test(flavor = "current_thread")]
async fn crash_child() -> anyhow::Result<()> {
let Ok(dir) = std::env::var("HARNESS_CRASH_DIR") else {
return Ok(());
};
let phase = std::env::var("HARNESS_CRASH_PHASE")?;
let source = format!(
"globalThis.testCrash = {};\n{}",
serde_json::to_string(&phase)?,
include_str!("../js/test-bundle.js")
);
tokio::time::timeout(
std::time::Duration::from_secs(20),
run_module(
World::open(std::path::Path::new(&dir))?,
Arc::new(FakeExec::default()),
&source,
),
)
.await?
}
#[test]
fn sigkill_resumes_model_and_tool() -> anyhow::Result<()> {
use std::{
io::{BufRead, BufReader},
process::{Command, Stdio},
time::Duration,
};
for phase in ["model", "tool"] {
let dir =
std::env::temp_dir().join(format!("sausage-crash-{}-{phase}", std::process::id()));
let mut child = Command::new(std::env::current_exe()?)
.args(["--exact", "crash_child", "--nocapture"])
.env("HARNESS_CRASH_DIR", &dir)
.env("HARNESS_CRASH_PHASE", phase)
.stdout(Stdio::piped())
.spawn()?;
let stdout = child.stdout.take().unwrap();
let (tx, rx) = std::sync::mpsc::channel();
std::thread::spawn(move || {
for line in BufReader::new(stdout).lines() {
if line
.as_deref()
.is_ok_and(|line| line.contains("CRASH_READY"))
{
let _ = tx.send(());
break;
}
}
});
let ready = rx.recv_timeout(Duration::from_secs(30));
child.kill()?; // SIGKILL on Unix, not a graceful harness close.
child.wait()?;
ready?;
let resumed = Command::new(std::env::current_exe()?)
.args(["--exact", "crash_child", "--nocapture"])
.env("HARNESS_CRASH_DIR", &dir)
.env("HARNESS_CRASH_PHASE", "resume")
.status()?;
assert!(resumed.success(), "failed to resume {phase}");
std::fs::remove_dir_all(dir)?;
}
Ok(())
}
#[tokio::test(flavor = "current_thread")]
async fn file_tools_and_exec() -> anyhow::Result<()> {
let dir = std::env::temp_dir().join(format!("sausage-harness-{}", std::process::id()));
std::fs::create_dir_all(&dir)?;
let exec = Arc::new(FakeExec::default());
let result = run_module(
World::open(&dir)?,
exec.clone(),
include_str!("../js/test-bundle.js"),
)
.await;
result?;
assert_eq!(
std::fs::read_to_string(dir.join("world/test.txt"))?,
"after\n"
);
assert_eq!(*exec.0.lock().unwrap(), ["/:echo test"]);
assert!(dir.join("host/harness.sqlite").is_file());
std::fs::remove_dir_all(dir)?;
Ok(())
}