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).is_ok()); 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).is_ok()); 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); }