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Merge pull request #1480 from gwenn/test_busy_handler

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Fix test_busy_handler
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gwenn 2024-03-23 18:01:04 +01:00 committed by GitHub
commit e66397b410
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1 changed files with 16 additions and 27 deletions
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43
src/busy.rs
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@ -132,38 +132,27 @@ mod test {
}
#[test]
#[ignore] // FIXME: unstable
fn test_busy_handler() {
fn test_busy_handler() -> Result<()> {
static CALLED: AtomicBool = AtomicBool::new(false);
fn busy_handler(_: i32) -> bool {
CALLED.store(true, Ordering::Relaxed);
thread::sleep(Duration::from_millis(100));
true
fn busy_handler(n: i32) -> bool {
if n > 2 {
false
} else {
CALLED.swap(true, Ordering::Relaxed)
}
}
let temp_dir = tempfile::tempdir().unwrap();
let path = temp_dir.path().join("test.db3");
let path = temp_dir.path().join("busy-handler.db3");
let db2 = Connection::open(&path).unwrap();
db2.busy_handler(Some(busy_handler)).unwrap();
let (rx, tx) = sync_channel(0);
let child = thread::spawn(move || {
let mut db1 = Connection::open(&path).unwrap();
let tx1 = db1
.transaction_with_behavior(TransactionBehavior::Exclusive)
.unwrap();
rx.send(1).unwrap();
thread::sleep(Duration::from_millis(100));
tx1.rollback().unwrap();
});
assert_eq!(tx.recv().unwrap(), 1);
let _ = db2
.query_row("PRAGMA schema_version", [], |row| row.get::<_, i32>(0))
.expect("unexpected error");
let db1 = Connection::open(&path)?;
db1.execute_batch("CREATE TABLE IF NOT EXISTS t(a)")?;
let db2 = Connection::open(&path)?;
db2.busy_handler(Some(busy_handler))?;
db1.execute_batch("BEGIN EXCLUSIVE")?;
let err = db2.prepare("SELECT * FROM t").unwrap_err();
assert_eq!(err.sqlite_error_code(), Some(ErrorCode::DatabaseBusy));
assert!(CALLED.load(Ordering::Relaxed));
child.join().unwrap();
Ok(())
}
}