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use crate::*;
fn test_suite(db: Db) {
let tree = db.open_tree("tree").unwrap();
let ka: &[u8] = &b"test"[..];
let kb: &[u8] = &b"zwello"[..];
let kint: &[u8] = &b"tz"[..];
let va: &[u8] = &b"plop"[..];
let vb: &[u8] = &b"plip"[..];
let vc: &[u8] = &b"plup"[..];
// ---- test simple insert/delete ----
assert!(tree.insert(ka, va).unwrap().is_none());
assert_eq!(tree.get(ka).unwrap().unwrap(), va);
assert_eq!(tree.len().unwrap(), 1);
// ---- test transaction logic ----
let res = db.transaction::<_, (), _>(|tx| {
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), va);
assert_eq!(tx.insert(&tree, ka, vb).unwrap().unwrap(), va);
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vb);
Ok(12)
});
assert!(matches!(res, Ok(12)));
assert_eq!(tree.get(ka).unwrap().unwrap(), vb);
let res = db.transaction::<(), _, _>(|tx| {
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vb);
assert_eq!(tx.insert(&tree, ka, vc).unwrap().unwrap(), vb);
assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vc);
Err(TxError::Abort(42))
});
assert!(matches!(res, Err(TxError::Abort(42))));
assert_eq!(tree.get(ka).unwrap().unwrap(), vb);
// ---- test iteration outside of transactions ----
let mut iter = tree.iter().unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
assert!(iter.next().is_none());
drop(iter);
assert!(tree.insert(kb, vc).unwrap().is_none());
assert_eq!(tree.get(kb).unwrap().unwrap(), vc);
let mut iter = tree.iter().unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
assert!(iter.next().is_none());
drop(iter);
let mut iter = tree.range(kint..).unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
assert!(iter.next().is_none());
drop(iter);
let mut iter = tree.range_rev(..kint).unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
assert!(iter.next().is_none());
drop(iter);
let mut iter = tree.iter_rev().unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
assert!(iter.next().is_none());
drop(iter);
// ---- test iteration within transactions ----
db.transaction::<_, (), _>(|tx| {
let mut iter = tx.iter(&tree).unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
assert!(iter.next().is_none());
Ok(())
})
.unwrap();
db.transaction::<_, (), _>(|tx| {
let mut iter = tx.range(&tree, kint..).unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
assert!(iter.next().is_none());
Ok(())
})
.unwrap();
db.transaction::<_, (), _>(|tx| {
let mut iter = tx.range_rev(&tree, ..kint).unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
assert!(iter.next().is_none());
Ok(())
})
.unwrap();
db.transaction::<_, (), _>(|tx| {
let mut iter = tx.iter_rev(&tree).unwrap();
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
assert!(iter.next().is_none());
Ok(())
})
.unwrap();
}
#[test]
#[cfg(feature = "lmdb")]
fn test_lmdb_db() {
use crate::lmdb_adapter::LmdbDb;
let path = mktemp::Temp::new_dir().unwrap();
let db = heed::EnvOpenOptions::new()
.max_dbs(100)
.open(&path)
.unwrap();
let db = LmdbDb::init(db);
test_suite(db);
drop(path);
}
#[test]
#[cfg(feature = "sqlite")]
fn test_sqlite_db() {
use crate::sqlite_adapter::SqliteDb;
let manager = r2d2_sqlite::SqliteConnectionManager::memory();
let db = SqliteDb::new(manager, false).unwrap();
test_suite(db);
}
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