milvus/internal/kv/rocksdb/rocksdb_kv_test.go

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// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
package rocksdbkv_test
import (
"os"
"strconv"
"sync"
"testing"
"github.com/stretchr/testify/assert"
rocksdbkv "github.com/milvus-io/milvus/internal/kv/rocksdb"
)
func TestRocksdbKV(t *testing.T) {
name := "/tmp/rocksdb"
rocksdbKV, err := rocksdbkv.NewRocksdbKV(name)
if err != nil {
panic(err)
}
defer os.RemoveAll(name)
defer rocksdbKV.Close()
// Need to call RemoveWithPrefix
defer rocksdbKV.RemoveWithPrefix("")
err = rocksdbKV.Save("abc", "123")
assert.NoError(t, err)
err = rocksdbKV.SaveBytes("abcd", []byte("1234"))
assert.NoError(t, err)
val, err := rocksdbKV.Load("abc")
assert.NoError(t, err)
assert.Equal(t, val, "123")
value, err := rocksdbKV.LoadBytes("abc")
assert.NoError(t, err)
assert.Equal(t, value, []byte("123"))
_, err = rocksdbKV.Load("")
assert.Error(t, err)
_, err = rocksdbKV.LoadBytes("")
assert.Error(t, err)
keys, vals, err := rocksdbKV.LoadWithPrefix("abc")
assert.NoError(t, err)
assert.Equal(t, len(keys), len(vals))
assert.Equal(t, len(keys), 2)
assert.Equal(t, keys[0], "abc")
assert.Equal(t, keys[1], "abcd")
assert.Equal(t, vals[0], "123")
assert.Equal(t, vals[1], "1234")
var values [][]byte
keys, values, err = rocksdbKV.LoadBytesWithPrefix("abc")
assert.NoError(t, err)
assert.Equal(t, len(keys), len(vals))
assert.Equal(t, len(keys), 2)
assert.Equal(t, keys[0], "abc")
assert.Equal(t, keys[1], "abcd")
assert.Equal(t, values[0], []byte("123"))
assert.Equal(t, values[1], []byte("1234"))
err = rocksdbKV.Save("key_1", "123")
assert.NoError(t, err)
err = rocksdbKV.Save("key_2", "456")
assert.NoError(t, err)
err = rocksdbKV.Save("key_3", "789")
assert.NoError(t, err)
keys = []string{"key_1", "key_2"}
vals, err = rocksdbKV.MultiLoad(keys)
assert.NoError(t, err)
assert.Equal(t, len(vals), len(keys))
assert.Equal(t, vals[0], "123")
assert.Equal(t, vals[1], "456")
values, err = rocksdbKV.MultiLoadBytes(keys)
assert.NoError(t, err)
assert.Equal(t, len(values), len(keys))
assert.Equal(t, values[0], []byte("123"))
assert.Equal(t, values[1], []byte("456"))
err = rocksdbKV.MultiRemove(keys)
assert.NoError(t, err)
saves := map[string]string{
"s_1": "111",
"s_2": "222",
"s_3": "333",
}
removals := []string{"key_3"}
err = rocksdbKV.MultiSaveAndRemove(saves, removals)
assert.NoError(t, err)
err = rocksdbKV.DeleteRange("s_1", "s_3")
assert.NoError(t, err)
}
func TestRocksdbKV_Prefix(t *testing.T) {
name := "/tmp/rocksdb"
rocksdbKV, err := rocksdbkv.NewRocksdbKV(name)
if err != nil {
panic(err)
}
defer os.RemoveAll(name)
defer rocksdbKV.Close()
// Need to call RemoveWithPrefix
defer rocksdbKV.RemoveWithPrefix("")
kvs := map[string]string{
"abcd": "123",
"abdd": "1234",
"abddqqq": "1234555",
}
err = rocksdbKV.MultiSave(kvs)
assert.NoError(t, err)
keys, vals, err := rocksdbKV.LoadWithPrefix("abc")
assert.NoError(t, err)
assert.Equal(t, len(keys), 1)
assert.Equal(t, len(vals), 1)
assert.Equal(t, keys[0], "abcd")
assert.Equal(t, vals[0], "123")
bytesKvs := map[string][]byte{}
for k, v := range kvs {
rocksdbKV.Remove(k)
bytesKvs[k] = []byte(v)
}
err = rocksdbKV.MultiSaveBytes(bytesKvs)
assert.NoError(t, err)
var values [][]byte
keys, values, err = rocksdbKV.LoadBytesWithPrefix("abc")
assert.NoError(t, err)
assert.Equal(t, len(keys), 1)
assert.Equal(t, len(values), 1)
assert.Equal(t, keys[0], "abcd")
assert.Equal(t, values[0], []byte("123"))
err = rocksdbKV.RemoveWithPrefix("abc")
assert.NoError(t, err)
val, err := rocksdbKV.Load("abc")
assert.NoError(t, err)
assert.Equal(t, len(val), 0)
val, err = rocksdbKV.Load("abdd")
assert.NoError(t, err)
assert.Equal(t, val, "1234")
val, err = rocksdbKV.Load("abddqqq")
assert.NoError(t, err)
assert.Equal(t, val, "1234555")
// test remove ""
err = rocksdbKV.RemoveWithPrefix("")
assert.NoError(t, err)
// test remove from an empty cf
err = rocksdbKV.RemoveWithPrefix("")
assert.NoError(t, err)
val, err = rocksdbKV.Load("abddqqq")
assert.NoError(t, err)
assert.Equal(t, len(val), 0)
// test we can still save after drop
err = rocksdbKV.Save("abcd", "123")
assert.NoError(t, err)
val, err = rocksdbKV.Load("abcd")
assert.NoError(t, err)
assert.Equal(t, val, "123")
}
func TestRocksdbKV_Txn(t *testing.T) {
name := "/tmp/rocksdb"
rocksdbKV, err := rocksdbkv.NewRocksdbKV(name)
if err != nil {
panic(err)
}
defer os.RemoveAll(name)
defer rocksdbKV.Close()
// Need to call RemoveWithPrefix
defer rocksdbKV.RemoveWithPrefix("")
kvs := map[string]string{
"abcd": "123",
"abdd": "1234",
"abddqqq": "1234555",
}
err = rocksdbKV.MultiSave(kvs)
assert.NoError(t, err)
keys, vals, err := rocksdbKV.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 3)
assert.Equal(t, len(vals), 3)
removePrefix := []string{"abc", "abd"}
rocksdbKV.MultiRemoveWithPrefix(removePrefix)
keys, vals, err = rocksdbKV.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 0)
assert.Equal(t, len(vals), 0)
err = rocksdbKV.MultiSave(kvs)
assert.NoError(t, err)
keys, vals, err = rocksdbKV.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 3)
assert.Equal(t, len(vals), 3)
// test delete the whole table
removePrefix = []string{"", "hello"}
rocksdbKV.MultiRemoveWithPrefix(removePrefix)
keys, vals, err = rocksdbKV.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 0)
assert.Equal(t, len(vals), 0)
err = rocksdbKV.MultiSave(kvs)
assert.NoError(t, err)
keys, vals, err = rocksdbKV.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 3)
assert.Equal(t, len(vals), 3)
// test remove and save
removePrefix = []string{"abc", "abd"}
kvs2 := map[string]string{
"abfad": "12345",
}
rocksdbKV.MultiSaveAndRemoveWithPrefix(kvs2, removePrefix)
keys, vals, err = rocksdbKV.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 1)
assert.Equal(t, len(vals), 1)
}
func TestRocksdbKV_Goroutines(t *testing.T) {
name := "/tmp/rocksdb"
rocksdbkv, err := rocksdbkv.NewRocksdbKV(name)
assert.NoError(t, err)
defer os.RemoveAll(name)
defer rocksdbkv.Close()
defer rocksdbkv.RemoveWithPrefix("")
var wg sync.WaitGroup
for i := 0; i < 10; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
key := "key_" + strconv.Itoa(i)
val := "val_" + strconv.Itoa(i)
err := rocksdbkv.Save(key, val)
assert.NoError(t, err)
getVal, err := rocksdbkv.Load(key)
assert.NoError(t, err)
assert.Equal(t, getVal, val)
}(i)
}
wg.Wait()
}
func TestRocksdbKV_DummyDB(t *testing.T) {
name := "/tmp/rocksdb_dummy"
rocksdbkv, err := rocksdbkv.NewRocksdbKV(name)
assert.NoError(t, err)
defer os.RemoveAll(name)
defer rocksdbkv.Close()
defer rocksdbkv.RemoveWithPrefix("")
rocksdbkv.DB = nil
_, err = rocksdbkv.Load("")
assert.Error(t, err)
_, _, err = rocksdbkv.LoadWithPrefix("")
assert.Error(t, err)
_, err = rocksdbkv.MultiLoad(nil)
assert.Error(t, err)
err = rocksdbkv.Save("", "")
assert.Error(t, err)
err = rocksdbkv.MultiSave(nil)
assert.Error(t, err)
err = rocksdbkv.RemoveWithPrefix("")
assert.Error(t, err)
err = rocksdbkv.Remove("")
assert.Error(t, err)
err = rocksdbkv.MultiRemove(nil)
assert.Error(t, err)
err = rocksdbkv.MultiSaveAndRemove(nil, nil)
assert.Error(t, err)
err = rocksdbkv.DeleteRange("", "")
assert.Error(t, err)
rocksdbkv.ReadOptions = nil
_, err = rocksdbkv.Load("dummy")
assert.Error(t, err)
}
func TestRocksdbKV_CornerCase(t *testing.T) {
name := "/tmp/rocksdb_corner"
rocksdbkv, err := rocksdbkv.NewRocksdbKV(name)
assert.NoError(t, err)
defer os.RemoveAll(name)
defer rocksdbkv.Close()
defer rocksdbkv.RemoveWithPrefix("")
_, err = rocksdbkv.Load("")
assert.Error(t, err)
keys, values, err := rocksdbkv.LoadWithPrefix("")
assert.NoError(t, err)
assert.Equal(t, len(keys), 0)
assert.Equal(t, len(values), 0)
err = rocksdbkv.Save("", "")
assert.Error(t, err)
err = rocksdbkv.Save("test", "")
assert.Error(t, err)
err = rocksdbkv.Remove("")
assert.Error(t, err)
err = rocksdbkv.DeleteRange("a", "a")
assert.Error(t, err)
}
func TestHas(t *testing.T) {
dir := t.TempDir()
db, err := rocksdbkv.NewRocksdbKV(dir)
assert.NoError(t, err)
defer db.Close()
defer db.RemoveWithPrefix("")
has, err := db.Has("key1")
assert.NoError(t, err)
assert.False(t, has)
err = db.Save("key1", "value1")
assert.NoError(t, err)
has, err = db.Has("key1")
assert.NoError(t, err)
assert.True(t, has)
err = db.Remove("key1")
assert.NoError(t, err)
has, err = db.Has("key1")
assert.NoError(t, err)
assert.False(t, has)
}
func TestHasPrefix(t *testing.T) {
dir := t.TempDir()
db, err := rocksdbkv.NewRocksdbKV(dir)
assert.NoError(t, err)
defer db.Close()
defer db.RemoveWithPrefix("")
has, err := db.HasPrefix("key")
assert.NoError(t, err)
assert.False(t, has)
err = db.Save("key1", "value1")
assert.NoError(t, err)
has, err = db.HasPrefix("key")
assert.NoError(t, err)
assert.True(t, has)
err = db.Remove("key1")
assert.NoError(t, err)
has, err = db.HasPrefix("key")
assert.NoError(t, err)
assert.False(t, has)
}