surma
41818107a2
The timing rules are in two tests (upgrade_and_discovery_deadlines, stop_deadlines). All other tests use a grace period of 0 or core.stop, poll with deadlines instead of sleeping, and use the persistent cache in CARGO_TARGET_TMPDIR. The 128-cycle singleton test is an ignored stress test that nix flake check runs; the normal run has a 4-cycle sample. Warm, the activation suite takes 12 s (was 47 s), and cargo test --workspace takes 65 s.
368 lines
13 KiB
Rust
368 lines
13 KiB
Rust
//! Exercise SDK plugins through the real host, without a fake core.
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use sausage::{Host, world::World};
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use serde_json::{Value, json};
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use std::{path::PathBuf, sync::OnceLock, time::Duration};
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fn fixtures() -> &'static PathBuf {
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static TARGET: OnceLock<PathBuf> = OnceLock::new();
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TARGET.get_or_init(|| {
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let root = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
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.parent()
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.unwrap()
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.to_owned();
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let target = PathBuf::from(concat!(env!("CARGO_TARGET_TMPDIR"), "/guests"));
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for package in [
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"examples/notes",
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"examples/consumer",
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"examples/www",
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"examples/secrets",
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"sdk/tests/plugins/probe",
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"sdk/tests/plugins/consumer",
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] {
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assert!(
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std::process::Command::new("cargo")
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.args([
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"build",
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"--offline",
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"--target",
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"wasm32-wasip2",
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"--manifest-path"
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])
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.arg(root.join(package).join("Cargo.toml"))
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.env("CARGO_TARGET_DIR", &target)
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.status()
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.unwrap()
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.success()
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);
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}
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target.join("wasm32-wasip2/debug")
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})
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}
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struct TestWorld(PathBuf);
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impl TestWorld {
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fn new() -> Self {
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let path = std::env::temp_dir().join(format!("sausage-sdk-{}", uuid::Uuid::now_v7()));
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let world = World::create(&path).unwrap();
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for (plugin, binary) in [
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("notes", "notes"),
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("consumer", "consumer"),
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("www", "www"),
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("secrets", "secrets"),
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("probe", "sdk-probe"),
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("typed", "sdk-consumer"),
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] {
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std::fs::create_dir_all(world.plugin_dir(plugin)).unwrap();
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std::fs::copy(
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fixtures().join(format!("{binary}.wasm")),
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world.plugin_dir(plugin).join("plugin.wasm"),
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)
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.unwrap();
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}
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Self(path)
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}
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async fn start(&self) -> Host {
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Host::start_with_cache(
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&self.0,
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std::path::Path::new(concat!(env!("CARGO_TARGET_TMPDIR"), "/cache")),
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)
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.await
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.unwrap()
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}
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}
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impl Drop for TestWorld {
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fn drop(&mut self) {
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let _ = std::fs::remove_dir_all(&self.0);
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}
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}
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async fn call(host: &Host, method: &str, params: Value) -> Value {
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tokio::time::timeout(Duration::from_secs(60), host.call(method, params))
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.await
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.unwrap()
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.unwrap()
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}
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/// Concurrent read-modify-write calls retain every note under the SDK lock.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn notes_lock_preserves_parallel_additions() {
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let world = TestWorld::new();
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let host = world.start().await;
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assert_eq!(
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call(&host, "notes.add", json!({"text":"first"})).await["count"],
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1
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);
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let calls = (0..12)
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.map(|n| {
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let h = host.clone();
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tokio::spawn(
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async move { call(&h, "notes.add", json!({"text":format!("note-{n}")})).await },
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)
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})
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.collect::<Vec<_>>();
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for task in calls {
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task.await.unwrap();
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}
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let notes = call(&host, "notes.list", json!({})).await;
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assert_eq!(notes.as_array().unwrap().len(), 13);
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assert_eq!(notes[0], "first");
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for n in 0..12 {
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assert!(
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notes
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.as_array()
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.unwrap()
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.contains(&json!(format!("note-{n}")))
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);
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}
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host.stop().await;
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}
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/// The example consumer invokes notes through its generated import.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn generated_notes_import() {
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let world = TestWorld::new();
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let host = world.start().await;
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assert_eq!(
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call(&host, "consumer.note", json!({"text":"typed"})).await,
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1
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);
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assert_eq!(call(&host, "notes.list", json!({})).await, json!(["typed"]));
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host.stop().await;
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}
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/// Discovery retains the complete document and satisfies the consumer contract.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn discovery_is_compatible() {
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let world = TestWorld::new();
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let host = world.start().await;
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let actual = call(&host, "notes.rpc.discover", json!({})).await;
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let consumer = call(&host, "consumer.rpc.discover", json!({})).await;
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let expected: Value =
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serde_json::from_str(include_str!("../../examples/consumer/imports/notes.json")).unwrap();
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assert_eq!(actual, expected);
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assert_eq!(actual["openrpc"], "1.2.6");
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assert!(actual["components"]["schemas"]["AddParams"].is_object());
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assert!(
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actual["methods"]
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.as_array()
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.unwrap()
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.iter()
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.find(|m| m["name"] == "list")
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.unwrap()
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.get("x-sausage-params")
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.is_none()
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);
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assert!(actual["components"]["schemas"].get("Empty").is_none());
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assert!(
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sausage_interface::compat::check(&consumer["x-sausage-imports"]["notes"], &actual)
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.is_empty()
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);
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host.stop().await;
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}
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/// Detached SDK calls receive progress and forward it through core.notify.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn detached_call_notifications() {
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let world = TestWorld::new();
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let host = world.start().await;
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let mut events = host.subscribe();
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assert_eq!(call(&host, "probe.relay", json!({})).await, 42);
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let event = tokio::time::timeout(Duration::from_secs(5), events.recv())
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.await
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.unwrap()
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.unwrap();
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assert_eq!(event["params"]["name"], "step");
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host.stop().await;
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}
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/// Detached typed calls complete and detached services survive their original caller.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn detached_service_survives_parent() {
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let world = TestWorld::new();
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let host = world.start().await;
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assert_eq!(call(&host, "typed.run", json!({})).await, 5);
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let child = call(&host, "probe.launch", json!({})).await;
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tokio::time::timeout(Duration::from_secs(5), async {
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while host.processes().values().any(|p| p.method == "launch") {
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tokio::task::yield_now().await;
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}
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})
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.await
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.unwrap();
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assert!(host.processes().contains_key(child.as_str().unwrap()));
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host.stop().await;
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}
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/// A core.stop request closes stdin and executes the SDK stop hook.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn stop_runs_hook() {
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let world = TestWorld::new();
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let host = world.start().await;
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let pid = call(&host, "probe.service", json!({})).await;
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call(&host, "core.stop", json!({"pid":pid})).await;
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assert_eq!(std::fs::read(world.0.join("stopped")).unwrap(), b"yes");
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host.stop().await;
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}
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/// SDK framing carries payloads above 64 KiB in both directions.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn large_messages() {
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let world = TestWorld::new();
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let host = world.start().await;
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let text = "z".repeat(192 * 1024);
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assert_eq!(call(&host, "probe.echo", json!({"text":text})).await, text);
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host.stop().await;
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}
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/// Normal SDK stdout never produces the discarded-output journal warning.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn no_discarded_stdout() {
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let world = TestWorld::new();
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let host = world.start().await;
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call(&host, "probe.echo", json!({"text":"framing"})).await;
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host.stop().await;
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assert_eq!(
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call(&host, "core.log", json!({"grep":"discarded stdout"})).await,
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json!([])
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);
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}
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/// Two SDK processes exchange endpoint requests and progress at a world path.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn world_endpoint() {
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let world = TestWorld::new();
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let host = world.start().await;
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call(&host, "probe.service", json!({})).await;
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assert_eq!(call(&host, "typed.world_endpoint", json!({})).await, 7);
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host.stop().await;
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}
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/// The HTTP example exposes its self endpoint through the process namespace.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn www_control_through_proc() {
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let world = TestWorld::new();
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let host = world.start().await;
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assert_eq!(
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call(&host, "consumer.demo", json!({"text":"web","port":0})).await,
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0
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);
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host.stop().await;
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}
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/// The vault example publishes a fixed endpoint in the shared run namespace.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn secrets_fixed_endpoint() {
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let world = TestWorld::new();
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let host = world.start().await;
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call(&host, "secrets.serve", json!({})).await;
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assert_eq!(call(&host, "consumer.vault", json!({})).await, "hello");
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host.stop().await;
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}
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/// PROTOCOL 3.6: a background task retains its SDK process until the task completes.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn background_task_retains_process() {
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let world = TestWorld::new();
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let host = world.start().await;
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let pid = call(&host, "probe.background_hold", json!({})).await;
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assert!(host.processes().contains_key(pid.as_str().unwrap()));
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assert_eq!(call(&host, "notes.list", json!({})).await, json!([]));
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assert!(host.processes().contains_key(pid.as_str().unwrap()));
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std::fs::write(world.0.join("release-background"), "release").unwrap();
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tokio::time::timeout(Duration::from_secs(10), async {
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while host.processes().contains_key(pid.as_str().unwrap()) {
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tokio::task::yield_now().await;
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}
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})
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.await
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.unwrap();
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assert_eq!(
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std::fs::read_to_string(world.0.join("background-ended")).unwrap(),
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"done"
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);
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host.stop().await;
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}
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/// PROTOCOL 5: stale endpoint identities and interfaces fail through genuine SDK processes.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn endpoint_handshake_rejects_mismatch() {
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let world = TestWorld::new();
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let host = world.start().await;
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let pid = call(&host, "probe.service", json!({})).await;
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let path = world.0.join("state/control");
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let original = std::fs::read_to_string(&path).unwrap();
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let words: Vec<_> = original.split_whitespace().collect();
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for changed in [
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format!("{} wrong-owner {}\n", words[0], words[2]),
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format!("{} {} wrong-interface\n", words[0], words[1]),
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] {
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std::fs::write(&path, changed).unwrap();
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let error = host
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.call("typed.world_endpoint", json!({}))
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.await
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.unwrap_err();
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assert_eq!(error["code"], -32000);
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assert!(error["message"].as_str().unwrap().contains("mismatch"));
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assert!(host.processes().contains_key(pid.as_str().unwrap()));
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}
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std::fs::write(path, original).unwrap();
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assert_eq!(call(&host, "typed.world_endpoint", json!({})).await, 7);
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host.stop().await;
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}
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/// PROTOCOL 10.1 and 5: discovery through core retains params, endpoints, imports, and grace.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn discovery_extensions_through_core() {
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let world = TestWorld::new();
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let host = world.start().await;
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let provider = call(&host, "probe.rpc.discover", json!({})).await;
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assert_eq!(provider["openrpc"], "1.2.6");
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assert_eq!(provider["x-sausage-grace"], 12);
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assert!(
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provider["x-sausage-endpoints"]["control"]["methods"]
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.as_array()
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.unwrap()
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.iter()
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.any(|m| m["name"] == "stats")
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);
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let add = provider["methods"]
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.as_array()
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.unwrap()
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.iter()
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.find(|m| m["name"] == "add")
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.unwrap();
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assert_eq!(add["paramStructure"], "by-name");
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let reference = add["x-sausage-params"]["$ref"].as_str().unwrap();
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assert_eq!(
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provider.pointer(reference.trim_start_matches('#')).unwrap()["type"],
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"object"
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);
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let consumer = call(&host, "typed.rpc.discover", json!({})).await;
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assert!(
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consumer["x-sausage-imports"]["probe"]["methods"]
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.as_array()
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.unwrap()
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.iter()
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.any(|m| m["name"] == "add")
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);
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host.stop().await;
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}
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/// PROTOCOL 3.2: rpc.discover is SDK control traffic and endpoint control is not a main method.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn reserved_rpc_control_names() {
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let world = TestWorld::new();
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let host = world.start().await;
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assert!(call(&host, "probe.rpc.discover", json!({})).await["methods"].is_array());
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for method in ["probe.rpc.endpoint", "probe.rpc.unknown"] {
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assert_eq!(
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host.call(method, json!({})).await.unwrap_err()["code"],
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-32601
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);
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}
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host.stop().await;
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}
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/// PROTOCOL 3.1: the SDK's leading newline isolates an unfinished diagnostic from its response.
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#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
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async fn leading_newline_protects_sdk_response() {
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let world = TestWorld::new();
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let host = world.start().await;
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assert_eq!(
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call(&host, "probe.framed_output", json!({})).await,
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"intact"
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);
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host.stop().await;
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let warnings = call(&host, "core.log", json!({"grep":"discarded stdout"})).await;
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assert_eq!(warnings.as_array().unwrap().len(), 1);
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assert!(!warnings.to_string().contains("partial diagnostic"));
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}
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