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// Copyright 2020 Tyler Neely
//
// 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.
mod util;
use pretty_assertions::assert_eq;
use rocksdb::{
backup::{BackupEngine, BackupEngineOptions, RestoreOptions},
Env, DB,
};
use util::DBPath;
#[test]
fn restore_from_latest() {
// create backup
let path = DBPath::new("restore_from_latest_test");
let restore_path = DBPath::new("restore_from_latest_path");
{
let db = DB::open_default(&path).unwrap();
assert!(db.put(b"k1", b"v1111").is_ok());
let value = db.get(b"k1");
assert_eq!(value.unwrap().unwrap(), b"v1111");
{
let env = Env::new().unwrap();
let backup_opts = BackupEngineOptions::new("backup_path_1").unwrap();
let mut backup_engine = BackupEngine::open(&backup_opts, &env).unwrap();
assert!(backup_engine.create_new_backup(&db).is_ok());
// check backup info
let info = backup_engine.get_backup_info();
assert!(!info.is_empty());
info.iter().for_each(|i| {
assert!(backup_engine.verify_backup(i.backup_id).is_ok());
assert!(i.size > 0);
});
let mut restore_option = RestoreOptions::default();
restore_option.set_keep_log_files(false); // true to keep log files
let restore_status = backup_engine.restore_from_latest_backup(
&restore_path,
&restore_path,
&restore_option,
);
assert!(restore_status.is_ok());
let db_restore = DB::open_default(&restore_path).unwrap();
let value = db_restore.get(b"k1");
assert_eq!(value.unwrap().unwrap(), b"v1111");
}
}
}
#[test]
fn restore_from_backup() {
// create backup
let path = DBPath::new("restore_from_backup_test");
let restore_path = DBPath::new("restore_from_backup_path");
{
let db = DB::open_default(&path).unwrap();
assert!(db.put(b"k1", b"v1111").is_ok());
let value = db.get(b"k1");
assert_eq!(value.unwrap().unwrap(), b"v1111");
{
let env = Env::new().unwrap();
let backup_opts = BackupEngineOptions::new("backup_path_2").unwrap();
let mut backup_engine = BackupEngine::open(&backup_opts, &env).unwrap();
assert!(backup_engine.create_new_backup(&db).is_ok());
// check backup info
let info = backup_engine.get_backup_info();
assert!(!info.is_empty());
info.iter().for_each(|i| {
assert!(backup_engine.verify_backup(i.backup_id).is_ok());
assert!(i.size > 0);
});
let backup_id = info.get(0).unwrap().backup_id;
let mut restore_option = RestoreOptions::default();
restore_option.set_keep_log_files(false); // true to keep log files
let restore_status = backup_engine.restore_from_backup(
&restore_path,
&restore_path,
&restore_option,
backup_id,
);
assert!(restore_status.is_ok());
let db_restore = DB::open_default(&restore_path).unwrap();
let value = db_restore.get(b"k1");
assert_eq!(value.unwrap().unwrap(), b"v1111");
}
}
}
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