Merge pull request #253 from iSynaptic/ergonomics-and-safety
Ergonomics and safety improvementsmaster
Jordan Terrell
6 years ago
committed by
GitHub
commit
13be813880
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// Copyright 2019 Tyler Neely
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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extern crate rocksdb; |
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mod util; |
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use rocksdb::{CompactionDecision, DB, Options}; |
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use util::DBPath; |
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#[cfg(test)] |
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#[allow(unused_variables)] |
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fn test_filter(level: u32, key: &[u8], value: &[u8]) -> CompactionDecision { |
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use self::CompactionDecision::*; |
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match key.first() { |
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Some(&b'_') => Remove, |
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Some(&b'%') => Change(b"secret"), |
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_ => Keep, |
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} |
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} |
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#[test] |
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fn compaction_filter_test() { |
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use {Options, DB}; |
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let path = DBPath::new("_rust_rocksdb_filtertest"); |
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let mut opts = Options::default(); |
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opts.create_if_missing(true); |
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opts.set_compaction_filter("test", test_filter); |
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{ |
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let db = DB::open(&opts, &path).unwrap(); |
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let _ = db.put(b"k1", b"a"); |
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let _ = db.put(b"_k", b"b"); |
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let _ = db.put(b"%k", b"c"); |
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db.compact_range(None::<&[u8]>, None::<&[u8]>); |
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assert_eq!(&*db.get(b"k1").unwrap().unwrap(), b"a"); |
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assert!(db.get(b"_k").unwrap().is_none()); |
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assert_eq!(&*db.get(b"%k").unwrap().unwrap(), b"secret"); |
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} |
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} |
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@ -0,0 +1,181 @@ |
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// Copyright 2019 Tyler Neely
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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extern crate rocksdb; |
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extern crate libc; |
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mod util; |
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use libc::{size_t}; |
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use rocksdb::{DB, DBVector, Error, IteratorMode, Options, WriteBatch}; |
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use util::DBPath; |
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#[test] |
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fn test_db_vector() { |
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use std::mem; |
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let len: size_t = 4; |
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let data: *mut u8 = unsafe { mem::transmute(libc::calloc(len, mem::size_of::<u8>())) }; |
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let v = unsafe { DBVector::from_c(data, len) }; |
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let ctrl = [0u8, 0, 0, 0]; |
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assert_eq!(&*v, &ctrl[..]); |
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} |
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#[test] |
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fn external() { |
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let path = DBPath::new("_rust_rocksdb_externaltest"); |
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{ |
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let db = DB::open_default(&path).unwrap(); |
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assert!(db.put(b"k1", b"v1111").is_ok()); |
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let r: Result<Option<DBVector>, Error> = db.get(b"k1"); |
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assert!(r.unwrap().unwrap().to_utf8().unwrap() == "v1111"); |
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assert!(db.delete(b"k1").is_ok()); |
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assert!(db.get(b"k1").unwrap().is_none()); |
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} |
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} |
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#[test] |
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fn errors_do_stuff() { |
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let path = DBPath::new("_rust_rocksdb_error"); |
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let _db = DB::open_default(&path).unwrap(); |
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let opts = Options::default(); |
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// The DB will still be open when we try to destroy it and the lock should fail.
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match DB::destroy(&opts, &path) { |
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Err(s) => { |
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let message = s.to_string(); |
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assert!(message.find("IO error:").is_some()); |
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assert!(message.find("_rust_rocksdb_error").is_some()); |
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assert!(message.find("/LOCK:").is_some()); |
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} |
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Ok(_) => panic!("should fail"), |
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} |
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} |
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#[test] |
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fn writebatch_works() { |
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let path = DBPath::new("_rust_rocksdb_writebacktest"); |
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{ |
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let db = DB::open_default(&path).unwrap(); |
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{ |
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// test put
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let mut batch = WriteBatch::default(); |
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assert!(db.get(b"k1").unwrap().is_none()); |
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assert_eq!(batch.len(), 0); |
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assert!(batch.is_empty()); |
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let _ = batch.put(b"k1", b"v1111"); |
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assert_eq!(batch.len(), 1); |
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assert!(!batch.is_empty()); |
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assert!(db.get(b"k1").unwrap().is_none()); |
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assert!(db.write(batch).is_ok()); |
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let r: Result<Option<DBVector>, Error> = db.get(b"k1"); |
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assert!(r.unwrap().unwrap().to_utf8().unwrap() == "v1111"); |
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} |
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{ |
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// test delete
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let mut batch = WriteBatch::default(); |
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let _ = batch.delete(b"k1"); |
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assert_eq!(batch.len(), 1); |
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assert!(!batch.is_empty()); |
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assert!(db.write(batch).is_ok()); |
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assert!(db.get(b"k1").unwrap().is_none()); |
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} |
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{ |
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// test size_in_bytes
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let mut batch = WriteBatch::default(); |
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let before = batch.size_in_bytes(); |
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let _ = batch.put(b"k1", b"v1234567890"); |
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let after = batch.size_in_bytes(); |
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assert!(before + 10 <= after); |
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} |
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} |
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} |
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#[test] |
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fn iterator_test() { |
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let path = DBPath::new("_rust_rocksdb_iteratortest"); |
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{ |
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let data = [(b"k1", b"v1111"), (b"k2", b"v2222"), (b"k3", b"v3333")]; |
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let db = DB::open_default(&path).unwrap(); |
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for (key, value) in &data { |
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assert!(db.put(key, value).is_ok()); |
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} |
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let iter = db.iterator(IteratorMode::Start); |
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for (idx, (db_key, db_value)) in iter.enumerate() { |
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let (key, value) = data[idx]; |
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assert_eq!((&key[..], &value[..]), (db_key.as_ref(), db_value.as_ref())); |
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} |
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} |
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} |
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#[test] |
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fn snapshot_test() { |
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let path = DBPath::new("_rust_rocksdb_snapshottest"); |
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{ |
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let db = DB::open_default(&path).unwrap(); |
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assert!(db.put(b"k1", b"v1111").is_ok()); |
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let snap = db.snapshot(); |
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assert!(snap.get(b"k1").unwrap().unwrap().to_utf8().unwrap() == "v1111"); |
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assert!(db.put(b"k2", b"v2222").is_ok()); |
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assert!(db.get(b"k2").unwrap().is_some()); |
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assert!(snap.get(b"k2").unwrap().is_none()); |
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} |
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} |
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#[test] |
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fn set_option_test() { |
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let path = DBPath::new("_rust_rocksdb_set_optionstest"); |
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{ |
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let db = DB::open_default(&path).unwrap(); |
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// set an option to valid values
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assert!(db |
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.set_options(&[("disable_auto_compactions", "true")]) |
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.is_ok()); |
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assert!(db |
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.set_options(&[("disable_auto_compactions", "false")]) |
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.is_ok()); |
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// invalid names/values should result in an error
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assert!(db |
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.set_options(&[("disable_auto_compactions", "INVALID_VALUE")]) |
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.is_err()); |
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assert!(db |
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.set_options(&[("INVALID_NAME", "INVALID_VALUE")]) |
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.is_err()); |
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// option names/values must not contain NULLs
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assert!(db |
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.set_options(&[("disable_auto_compactions", "true\0")]) |
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.is_err()); |
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assert!(db |
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.set_options(&[("disable_auto_compactions\0", "true")]) |
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.is_err()); |
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// empty options are not allowed
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assert!(db.set_options(&[]).is_err()); |
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// multiple options can be set in a single API call
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let multiple_options = [ |
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("paranoid_file_checks", "true"), |
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("report_bg_io_stats", "true"), |
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]; |
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db.set_options(&multiple_options).unwrap(); |
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} |
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} |
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