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searchi/crates/searchi-cli/tests/crash_recovery.rs
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//! Abrupt termination of an owned real CLI process tree, not a returned error.
//! Requires verified local Google assets/decoders. This is not power-loss proof.
use rusqlite::Connection;
use serde_json::Value;
use std::{
fs::{self, File},
io::Write,
path::{Path, PathBuf},
process::{Child, Command, Stdio},
thread,
time::{Duration, Instant},
};
struct OwnedCli {
child: Child,
}
impl OwnedCli {
fn spawn(mut command: Command, stdout: &Path, stderr: &Path) -> Self {
#[cfg(unix)]
{
use std::os::unix::process::CommandExt;
// Every worker/decoder inherits this exclusive process group.
command.process_group(0);
}
command
.env("SEARCHI_FORCE_CPU", "1")
.stdin(Stdio::null())
.stdout(File::create(stdout).unwrap())
.stderr(File::create(stderr).unwrap());
Self {
child: command.spawn().unwrap(),
}
}
fn terminate(&mut self) -> std::io::Result<()> {
if self.child.try_wait()?.is_some() {
return Ok(());
}
#[cfg(windows)]
let status = Command::new("taskkill.exe")
.args(["/PID", &self.child.id().to_string(), "/T", "/F"])
.stdout(Stdio::null())
.stderr(Stdio::null())
.status()?;
#[cfg(unix)]
let status = Command::new("/bin/kill")
.args(["-KILL", "--", &format!("-{}", self.child.id())])
.status()?;
if !status.success() {
return Err(std::io::Error::other(
"Could not terminate owned CLI process tree",
));
}
self.child.wait()?;
Ok(())
}
fn finish(&mut self, timeout: Duration, stderr: &Path) {
let deadline = Instant::now() + timeout;
loop {
if let Some(status) = self.child.try_wait().unwrap() {
assert!(
status.success(),
"CLI failed: {}",
fs::read_to_string(stderr).unwrap()
);
return;
}
assert!(Instant::now() < deadline, "Owned CLI exceeded deadline");
thread::sleep(Duration::from_millis(20));
}
}
}
impl Drop for OwnedCli {
fn drop(&mut self) {
let _ = self.terminate();
}
}
fn cli(db: &Path, command: &str) -> Command {
let mut cmd = Command::new(env!("CARGO_BIN_EXE_searchi"));
cmd.arg(command).arg("--db").arg(db);
cmd
}
fn run(command: Command, directory: &Path, label: &str) -> Value {
let stdout = directory.join(format!("{label}.stdout"));
let stderr = directory.join(format!("{label}.stderr"));
let mut child = OwnedCli::spawn(command, &stdout, &stderr);
child.finish(Duration::from_secs(900), &stderr);
serde_json::from_slice(&fs::read(stdout).unwrap()).unwrap()
}
fn embed(db: &Path, model: &Path, worker: &Path, ffmpeg: &Path, ffprobe: &Path) -> Command {
let mut command = cli(db, "embed");
command
.arg("--model-dir")
.arg(model)
.arg("--embedding-worker")
.arg(worker)
.arg("--cpu-threads")
.arg("1")
.arg("--ffmpeg")
.arg(ffmpeg)
.arg("--ffprobe")
.arg(ffprobe);
command
}
fn index(db: &Path, root: &Path, directory: &Path) {
let stdout = directory.join("index.stdout");
let stderr = directory.join("index.stderr");
let mut command = cli(db, "index");
command.arg("--root").arg(root);
let mut child = OwnedCli::spawn(command, &stdout, &stderr);
child.finish(Duration::from_secs(60), &stderr);
}
fn required(name: &str) -> PathBuf {
PathBuf::from(std::env::var_os(name).unwrap_or_else(|| panic!("{name} required")))
}
fn active(db: &Connection) -> i64 {
db.query_row(
"SELECT active_generation FROM semantic_meta WHERE singleton=1",
[],
|r| r.get(0),
)
.unwrap()
}
type CommittedChunk = (String, i64, String, Vec<u8>);
fn completed(db: &Connection, generation: i64) -> Vec<CommittedChunk> {
let mut statement = db.prepare("SELECT c.task_key,c.ordinal,c.path,c.vector FROM semantic_chunks c JOIN semantic_tasks t ON t.generation=c.generation AND t.task_key=c.task_key WHERE c.generation=?1 AND t.state='done' ORDER BY c.task_key,c.ordinal").unwrap();
statement
.query_map([generation], |r| {
Ok((r.get(0)?, r.get(1)?, r.get(2)?, r.get(3)?))
})
.unwrap()
.collect::<rusqlite::Result<_>>()
.unwrap()
}
fn write_audio(path: &Path) {
// Standard PCM WAV: three overlapping audio windows under normal limits.
let samples = 16_000_u32 * 65;
let mut wav = File::create(path).unwrap();
for bytes in [
b"RIFF".as_slice(),
&(36 + samples * 2).to_le_bytes(),
b"WAVEfmt ",
&16_u32.to_le_bytes(),
&1_u16.to_le_bytes(),
&1_u16.to_le_bytes(),
&16_000_u32.to_le_bytes(),
&32_000_u32.to_le_bytes(),
&2_u16.to_le_bytes(),
&16_u16.to_le_bytes(),
b"data",
&(samples * 2).to_le_bytes(),
] {
wav.write_all(bytes).unwrap();
}
let mut pcm = Vec::with_capacity(samples as usize * 2);
for n in 0..samples {
let value = ((n as f64 * 440.0 * std::f64::consts::TAU / 16_000.0).sin() * 4096.0) as i16;
pcm.extend(value.to_le_bytes());
}
wav.write_all(&pcm).unwrap();
}
#[test]
#[ignore = "Requires verified Google assets/CPU auto worker and FFmpeg; kills only owned CLI tree"]
fn real_google_cli_kill_preserves_active_and_resumes_only_complete_groups() {
assert_eq!(std::env::var("SEARCHI_FORCE_CPU").unwrap(), "1");
let model = required("SEARCHI_GEMMA_MODEL_DIR");
let worker = required("SEARCHI_GEMMA_WORKER");
let ffmpeg = required("SEARCHI_TEST_FFMPEG");
let ffprobe = required("SEARCHI_TEST_FFPROBE");
let temp = tempfile::tempdir().unwrap();
let root = temp.path().join("sources");
fs::create_dir(&root).unwrap();
fs::write(
root.join("agreement.txt"),
"The supplier partnership can end with sixty days written notice.",
)
.unwrap();
let path = temp.path().join("index.db");
index(&path, &root, temp.path());
run(
embed(&path, &model, &worker, &ffmpeg, &ffprobe),
temp.path(),
"initial",
);
let db = Connection::open(&path).unwrap();
db.busy_timeout(Duration::from_secs(2)).unwrap();
let original = active(&db);
let old_vectors = completed(&db, original);
fs::write(
root.join("retry.rs"),
"pub fn exponential_backoff(attempt: u32) -> u64 { 100 * 2_u64.pow(attempt.min(8)) }\n",
)
.unwrap();
write_audio(&root.join("tone.wav"));
index(&path, &root, temp.path());
let stdout = temp.path().join("interrupted.stdout");
let stderr = temp.path().join("interrupted.stderr");
let mut child = OwnedCli::spawn(
embed(&path, &model, &worker, &ffmpeg, &ffprobe),
&stdout,
&stderr,
);
let deadline = Instant::now() + Duration::from_secs(300);
let generation = loop {
assert!(
child.child.try_wait().unwrap().is_none(),
"CLI finished before interruption boundary: {}",
fs::read_to_string(&stderr).unwrap()
);
let boundary: Option<i64> = db.query_row("SELECT g.id FROM semantic_generations g WHERE g.id!=?1 AND (SELECT count(*) FROM semantic_tasks t WHERE t.generation=g.id AND t.state='done')>=2 AND EXISTS(SELECT 1 FROM semantic_tasks t JOIN semantic_chunks c ON c.generation=t.generation AND c.path=t.path AND c.passage_id=t.passage_id WHERE t.generation=g.id AND t.state='running' AND t.source_type='media' AND c.task_key IS NULL AND c.source_type!='text') LIMIT 1", [original], |r| r.get(0)).ok();
if let Some(generation) = boundary {
break generation;
}
assert!(
Instant::now() < deadline,
"No committed partial media boundary within deadline"
);
thread::sleep(Duration::from_millis(20));
};
child.terminate().unwrap();
assert_eq!(
active(&db),
original,
"Abrupt kill must not publish staging"
);
assert_eq!(completed(&db, original), old_vectors);
let saved = completed(&db, generation);
assert_eq!(saved.len(), 2);
let partial: usize = db.query_row("SELECT count(*) FROM semantic_chunks c JOIN semantic_tasks t ON t.generation=c.generation AND t.path=c.path AND t.passage_id=c.passage_id WHERE c.generation=?1 AND t.state='running' AND t.source_type='media' AND c.task_key IS NULL AND c.source_type!='text'",[generation],|r|r.get(0)).unwrap();
assert!(
partial > 0,
"Need actual committed incomplete Google vectors"
);
let mut old_search = cli(&path, "search");
old_search
.arg("How can we stop working with the vendor?")
.arg("--json")
.arg("--model-dir")
.arg(&model)
.arg("--embedding-worker")
.arg(&worker)
.arg("--cpu-threads")
.arg("1");
let previous_results = run(old_search, temp.path(), "old-reader");
assert_eq!(previous_results[0]["filename"], "agreement.txt");
assert_eq!(
active(&db),
original,
"Searching must not activate unfinished work"
);
let report = run(
embed(&path, &model, &worker, &ffmpeg, &ffprobe),
temp.path(),
"resumed",
);
assert_eq!(report["resumed"], true);
assert_eq!(report["generation"], generation);
assert_eq!(report["document_inference_calls"], 0);
assert_eq!(report["reused_sources"], 2);
assert_eq!(report["encoded_sources"], 1);
assert_eq!(
report["audio_inference_calls"], 3,
"All incomplete media windows must be encoded afresh"
);
assert_eq!(report["media_failures"], 0);
assert_eq!(active(&db), generation);
let after = completed(&db, generation);
for chunk in saved {
assert!(
after.contains(&chunk),
"Committed real vector bytes/citations changed"
);
}
let (total,unique):(usize,usize)=db.query_row("SELECT count(*),count(DISTINCT task_key||':'||ordinal) FROM semantic_chunks WHERE generation=?1",[generation],|r|Ok((r.get(0)?,r.get(1)?))).unwrap();
assert_eq!(
(total, unique),
(5, 5),
"Partial media chunks must not leak or duplicate"
);
let mut search = cli(&path, "search");
search
.arg("retry failed requests with exponential delays")
.arg("--code-only")
.arg("--json")
.arg("--model-dir")
.arg(&model)
.arg("--embedding-worker")
.arg(&worker)
.arg("--cpu-threads")
.arg("1");
let results = run(search, temp.path(), "citation");
assert_eq!(results[0]["filename"], "retry.rs");
assert_eq!(results[0]["source"]["kind"], "line");
assert_eq!(results[0]["source"]["number"], 1);
eprintln!("Real CPU CLI crash recovery: generation={generation}, committed_sources=2, discarded_partial_chunks={partial}, resumed_audio_calls=3");
}