garage/src/db/test.rs

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Rust
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use crate::*;
use crate::lmdb_adapter::LmdbDb;
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use crate::sled_adapter::SledDb;
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use crate::sqlite_adapter::SqliteDb;
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fn test_suite(db: Db) {
let tree = db.open_tree("tree").unwrap();
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let ka: &[u8] = &b"test"[..];
let kb: &[u8] = &b"zwello"[..];
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let kint: &[u8] = &b"tz"[..];
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let va: &[u8] = &b"plop"[..];
let vb: &[u8] = &b"plip"[..];
let vc: &[u8] = &b"plup"[..];
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tree.insert(ka, va).unwrap();
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assert_eq!(tree.get(ka).unwrap().unwrap(), va);
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let res = db.transaction::<_, (), _>(|mut tx| {
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assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), va);
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tx.insert(&tree, ka, vb).unwrap();
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assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vb);
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tx.commit(12)
});
assert!(matches!(res, Ok(12)));
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assert_eq!(tree.get(ka).unwrap().unwrap(), vb);
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let res = db.transaction::<(), _, _>(|mut tx| {
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assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vb);
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tx.insert(&tree, ka, vc).unwrap();
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assert_eq!(tx.get(&tree, ka).unwrap().unwrap(), vc);
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tx.abort(42)
});
assert!(matches!(res, Err(TxError::Abort(42))));
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assert_eq!(tree.get(ka).unwrap().unwrap(), vb);
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let mut iter = tree.iter().unwrap();
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let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
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assert!(iter.next().is_none());
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drop(iter);
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tree.insert(kb, vc).unwrap();
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assert_eq!(tree.get(kb).unwrap().unwrap(), vc);
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let mut iter = tree.iter().unwrap();
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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));
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assert!(iter.next().is_none());
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drop(iter);
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let mut iter = tree.range(kint..).unwrap();
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let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (kb, vc));
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assert!(iter.next().is_none());
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drop(iter);
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let mut iter = tree.range_rev(..kint).unwrap();
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let next = iter.next().unwrap().unwrap();
assert_eq!((next.0.as_ref(), next.1.as_ref()), (ka, vb));
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assert!(iter.next().is_none());
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drop(iter);
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let mut iter = tree.iter_rev().unwrap();
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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));
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assert!(iter.next().is_none());
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drop(iter);
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}
#[test]
fn test_lmdb_db() {
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);
}
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#[test]
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fn test_sled_db() {
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let path = mktemp::Temp::new_dir().unwrap();
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let db = SledDb::init(sled::open(path.to_path_buf()).unwrap());
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test_suite(db);
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drop(path);
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}
#[test]
fn test_sqlite_db() {
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let db = SqliteDb::init(rusqlite::Connection::open_in_memory().unwrap());
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test_suite(db);
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}