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rust-rocksdb/tests/test_db.rs

182 lines
5.6 KiB

// Copyright 2019 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.
extern crate libc;
extern crate rocksdb;
mod util;
use libc::size_t;
use rocksdb::{DBVector, Error, IteratorMode, Options, WriteBatch, DB};
use util::DBPath;
#[test]
fn test_db_vector() {
use std::mem;
let len: size_t = 4;
let data: *mut u8 = unsafe { libc::calloc(len, mem::size_of::<u8>()) as *mut u8 };
let v = unsafe { DBVector::from_c(data, len) };
let ctrl = [0u8, 0, 0, 0];
assert_eq!(&*v, &ctrl[..]);
}
#[test]
fn external() {
let path = DBPath::new("_rust_rocksdb_externaltest");
{
let db = DB::open_default(&path).unwrap();
assert!(db.put(b"k1", b"v1111").is_ok());
let r: Result<Option<DBVector>, Error> = db.get(b"k1");
assert!(r.unwrap().unwrap().to_utf8().unwrap() == "v1111");
assert!(db.delete(b"k1").is_ok());
assert!(db.get(b"k1").unwrap().is_none());
}
}
#[test]
fn errors_do_stuff() {
let path = DBPath::new("_rust_rocksdb_error");
let _db = DB::open_default(&path).unwrap();
let opts = Options::default();
// The DB will still be open when we try to destroy it and the lock should fail.
match DB::destroy(&opts, &path) {
Err(s) => {
let message = s.to_string();
assert!(message.find("IO error:").is_some());
assert!(message.find("_rust_rocksdb_error").is_some());
assert!(message.find("/LOCK:").is_some());
}
Ok(_) => panic!("should fail"),
}
}
#[test]
fn writebatch_works() {
let path = DBPath::new("_rust_rocksdb_writebacktest");
{
let db = DB::open_default(&path).unwrap();
{
// test put
let mut batch = WriteBatch::default();
assert!(db.get(b"k1").unwrap().is_none());
assert_eq!(batch.len(), 0);
assert!(batch.is_empty());
let _ = batch.put(b"k1", b"v1111");
assert_eq!(batch.len(), 1);
assert!(!batch.is_empty());
assert!(db.get(b"k1").unwrap().is_none());
assert!(db.write(batch).is_ok());
let r: Result<Option<DBVector>, Error> = db.get(b"k1");
assert!(r.unwrap().unwrap().to_utf8().unwrap() == "v1111");
}
{
// test delete
let mut batch = WriteBatch::default();
let _ = batch.delete(b"k1");
assert_eq!(batch.len(), 1);
assert!(!batch.is_empty());
assert!(db.write(batch).is_ok());
assert!(db.get(b"k1").unwrap().is_none());
}
{
// test size_in_bytes
let mut batch = WriteBatch::default();
let before = batch.size_in_bytes();
let _ = batch.put(b"k1", b"v1234567890");
let after = batch.size_in_bytes();
assert!(before + 10 <= after);
}
}
}
#[test]
fn iterator_test() {
let path = DBPath::new("_rust_rocksdb_iteratortest");
{
let data = [(b"k1", b"v1111"), (b"k2", b"v2222"), (b"k3", b"v3333")];
let db = DB::open_default(&path).unwrap();
for (key, value) in &data {
assert!(db.put(key, value).is_ok());
}
let iter = db.iterator(IteratorMode::Start);
for (idx, (db_key, db_value)) in iter.enumerate() {
let (key, value) = data[idx];
assert_eq!((&key[..], &value[..]), (db_key.as_ref(), db_value.as_ref()));
}
}
}
#[test]
fn snapshot_test() {
let path = DBPath::new("_rust_rocksdb_snapshottest");
{
let db = DB::open_default(&path).unwrap();
assert!(db.put(b"k1", b"v1111").is_ok());
let snap = db.snapshot();
assert!(snap.get(b"k1").unwrap().unwrap().to_utf8().unwrap() == "v1111");
assert!(db.put(b"k2", b"v2222").is_ok());
assert!(db.get(b"k2").unwrap().is_some());
assert!(snap.get(b"k2").unwrap().is_none());
}
}
#[test]
fn set_option_test() {
let path = DBPath::new("_rust_rocksdb_set_optionstest");
{
let db = DB::open_default(&path).unwrap();
// set an option to valid values
assert!(db
.set_options(&[("disable_auto_compactions", "true")])
.is_ok());
assert!(db
.set_options(&[("disable_auto_compactions", "false")])
.is_ok());
// invalid names/values should result in an error
assert!(db
.set_options(&[("disable_auto_compactions", "INVALID_VALUE")])
.is_err());
assert!(db
.set_options(&[("INVALID_NAME", "INVALID_VALUE")])
.is_err());
// option names/values must not contain NULLs
assert!(db
.set_options(&[("disable_auto_compactions", "true\0")])
.is_err());
assert!(db
.set_options(&[("disable_auto_compactions\0", "true")])
.is_err());
// empty options are not allowed
assert!(db.set_options(&[]).is_err());
// multiple options can be set in a single API call
let multiple_options = [
("paranoid_file_checks", "true"),
("report_bg_io_stats", "true"),
];
db.set_options(&multiple_options).unwrap();
}
}