fork of https://github.com/rust-rocksdb/rust-rocksdb for nextgraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.6 KiB
113 lines
3.6 KiB
// Copyright 2018 Eugene P.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
extern crate rocksdb;
|
|
|
|
use rocksdb::{checkpoint::Checkpoint, DB, Options};
|
|
use std::fs::remove_dir_all;
|
|
|
|
#[test]
|
|
pub fn test_single_checkpoint() {
|
|
const PATH_PREFIX: &str = "_rust_rocksdb_cp_single_";
|
|
|
|
// Create DB with some data
|
|
let db_path = format!("{}db1", PATH_PREFIX);
|
|
|
|
let _ = remove_dir_all(&db_path);
|
|
|
|
let mut opts = Options::default();
|
|
opts.create_if_missing(true);
|
|
let db = DB::open(&opts, &db_path).unwrap();
|
|
|
|
db.put(b"k1", b"v1").unwrap();
|
|
db.put(b"k2", b"v2").unwrap();
|
|
db.put(b"k3", b"v3").unwrap();
|
|
db.put(b"k4", b"v4").unwrap();
|
|
|
|
// Create checkpoint
|
|
let cp1 = Checkpoint::new(&db).unwrap();
|
|
let cp1_path = format!("{}cp1", PATH_PREFIX);
|
|
let _ = remove_dir_all(&cp1_path);
|
|
cp1.create_checkpoint(&cp1_path).unwrap();
|
|
|
|
// Verify checkpoint
|
|
let cp = DB::open_default(&cp1_path).unwrap();
|
|
|
|
assert_eq!(*cp.get(b"k1").unwrap().unwrap(), *b"v1");
|
|
assert_eq!(*cp.get(b"k2").unwrap().unwrap(), *b"v2");
|
|
assert_eq!(*cp.get(b"k3").unwrap().unwrap(), *b"v3");
|
|
assert_eq!(*cp.get(b"k4").unwrap().unwrap(), *b"v4");
|
|
|
|
let _ = remove_dir_all(&db_path);
|
|
let _ = remove_dir_all(&cp1_path);
|
|
}
|
|
|
|
#[test]
|
|
pub fn test_multi_checkpoints() {
|
|
const PATH_PREFIX: &str = "_rust_rocksdb_cp_multi_";
|
|
|
|
// Create DB with some data
|
|
let db_path = format!("{}db1", PATH_PREFIX);
|
|
let _ = remove_dir_all(&db_path);
|
|
|
|
let mut opts = Options::default();
|
|
opts.create_if_missing(true);
|
|
let db = DB::open(&opts, &db_path).unwrap();
|
|
|
|
db.put(b"k1", b"v1").unwrap();
|
|
db.put(b"k2", b"v2").unwrap();
|
|
db.put(b"k3", b"v3").unwrap();
|
|
db.put(b"k4", b"v4").unwrap();
|
|
|
|
// Create first checkpoint
|
|
let cp1 = Checkpoint::new(&db).unwrap();
|
|
let cp1_path = format!("{}cp1", PATH_PREFIX);
|
|
let _ = remove_dir_all(&cp1_path);
|
|
cp1.create_checkpoint(&cp1_path).unwrap();
|
|
|
|
// Verify checkpoint
|
|
let cp = DB::open_default(&cp1_path).unwrap();
|
|
|
|
assert_eq!(*cp.get(b"k1").unwrap().unwrap(), *b"v1");
|
|
assert_eq!(*cp.get(b"k2").unwrap().unwrap(), *b"v2");
|
|
assert_eq!(*cp.get(b"k3").unwrap().unwrap(), *b"v3");
|
|
assert_eq!(*cp.get(b"k4").unwrap().unwrap(), *b"v4");
|
|
|
|
let _ = remove_dir_all(&cp1_path);
|
|
|
|
// Change some existing keys
|
|
db.put(b"k1", b"modified").unwrap();
|
|
db.put(b"k2", b"changed").unwrap();
|
|
|
|
// Add some new keys
|
|
db.put(b"k5", b"v5").unwrap();
|
|
db.put(b"k6", b"v6").unwrap();
|
|
|
|
// Create another checkpoint
|
|
let cp2 = Checkpoint::new(&db).unwrap();
|
|
let cp2_path = format!("{}cp2", PATH_PREFIX);
|
|
let _ = remove_dir_all(&cp2_path);
|
|
cp2.create_checkpoint(&cp2_path).unwrap();
|
|
|
|
// Verify second checkpoint
|
|
let cp = DB::open_default(&cp2_path).unwrap();
|
|
|
|
assert_eq!(*cp.get(b"k1").unwrap().unwrap(), *b"modified");
|
|
assert_eq!(*cp.get(b"k2").unwrap().unwrap(), *b"changed");
|
|
assert_eq!(*cp.get(b"k5").unwrap().unwrap(), *b"v5");
|
|
assert_eq!(*cp.get(b"k6").unwrap().unwrap(), *b"v6");
|
|
|
|
let _ = remove_dir_all(&db_path);
|
|
let _ = remove_dir_all(&cp2_path);
|
|
}
|
|
|