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Run world service policy in WASI init with pollable process observation

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This commit is contained in:
surma
2026-11-06 19:49:19 +00:00
parent b5462cc366
commit b39bbd4f18
21 changed files with 1821 additions and 224 deletions
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host/tests/process.rs
+1 -63
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@@ -12,7 +12,7 @@ use std::{
mod features {
//! Acceptance coverage for preview1, identity, inherited IO, services, HTTP, and bundle aliases.
use super::*;
use std::{collections::BTreeMap, time::Instant};
use std::collections::BTreeMap;
async fn poll(mut condition: impl FnMut() -> bool) {
tokio::time::timeout(Duration::from_secs(10), async {
@@ -23,13 +23,6 @@ mod features {
.await
.unwrap();
}
fn lines(path: &Path) -> Vec<String> {
std::fs::read_to_string(path)
.unwrap_or_default()
.lines()
.map(str::to_owned)
.collect()
}
async fn prepare(runtime: &Arc<Runtime>, argv: Vec<String>) {
assert_eq!(
runtime
@@ -285,61 +278,6 @@ mod features {
assert_eq!(runtime.compiled_programs(), 1);
}
#[tokio::test(flavor = "multi_thread")]
async fn services_restart_edit_limit_and_eof() {
let _serial = SERIAL.lock().await;
let (temp, runtime, processes) = world();
prepare(&runtime, vec!["/bin/launcher".into()]).await;
let root = temp.path().join("world");
std::fs::create_dir_all(root.join("config")).unwrap();
let spec = |name: &str, mode: &str, log: &str| serde_json::json!({"name": name, "argv": ["/bin/launcher", mode, log]});
let write = |specs: Vec<serde_json::Value>| {
std::fs::write(
root.join("config/services.yaml"),
serde_yaml_ng::to_string(&specs).unwrap(),
)
.unwrap()
};
write(vec![
spec("a", "server", "/a.log"),
spec("crash", "crash", "/crash.log"),
]);
let supervisor = sausage::process::supervise(runtime.clone());
poll(|| {
lines(&root.join("a.log")) == ["start"] && lines(&root.join("crash.log")).len() == 6
})
.await;
prepare(&runtime, vec!["/bin/launcher".into()]).await;
assert_eq!(lines(&root.join("crash.log")).len(), 6);
assert!(
processes
.lock()
.unwrap()
.values()
.all(|p| p.conversation.is_none())
);
write(vec![spec("b", "server", "/b.log")]);
poll(|| {
lines(&root.join("a.log")) == ["start", "stop"]
&& lines(&root.join("b.log")) == ["start"]
})
.await;
let mut changed = spec("b", "server", "/b.log");
changed["env"] = serde_json::json!({"REV": "new"});
write(vec![changed]);
poll(|| lines(&root.join("b.log")) == ["start", "stop", "start"]).await;
write(vec![]);
poll(|| lines(&root.join("b.log")) == ["start", "stop", "start", "stop"]).await;
write(vec![spec("linger", "linger", "/linger.log")]);
poll(|| lines(&root.join("linger.log")) == ["start"]).await;
let stop = Instant::now();
write(vec![]);
poll(|| processes.lock().unwrap().is_empty()).await;
assert!(stop.elapsed() >= Duration::from_secs(5));
supervisor.abort();
let _ = supervisor.await;
empty(&processes).await;
}
#[tokio::test(flavor = "multi_thread")]
async fn git_local_and_anonymous_https_clone() {
let _serial = SERIAL.lock().await;
let (temp, runtime, _) = world();