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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::{checkpoint::Checkpoint, Options, DB};
use util::DBPath;
#[test]
pub fn test_single_checkpoint() {
const PATH_PREFIX: &str = "_rust_rocksdb_cp_single_";
// Create DB with some data
let db_path = DBPath::new(&format!("{PATH_PREFIX}db1"));
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 = DBPath::new(&format!("{PATH_PREFIX}cp1"));
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");
}
#[test]
pub fn test_multi_checkpoints() {
const PATH_PREFIX: &str = "_rust_rocksdb_cp_multi_";
// Create DB with some data
let db_path = DBPath::new(&format!("{PATH_PREFIX}db1"));
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 = DBPath::new(&format!("{PATH_PREFIX}cp1"));
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");
// 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 = DBPath::new(&format!("{PATH_PREFIX}cp2"));
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");
}
#[test]
fn test_checkpoint_outlive_db() {
let t = trybuild::TestCases::new();
t.compile_fail("tests/fail/checkpoint_outlive_db.rs");
}
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