mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 10:06:14 +00:00
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
// Copyright 2024 The CubeFS Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package master
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import (
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"encoding/binary"
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"math/rand"
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"os"
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"strconv"
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"testing"
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"time"
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"github.com/cubefs/cubefs/raftstore/raftstore_db"
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"github.com/stretchr/testify/require"
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)
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func newFsmForMetadataFsmTest(t *testing.T) (mf *MetadataFsm) {
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storeDir, err := os.MkdirTemp("", "")
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require.NoError(t, err)
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db, err := raftstore_db.NewRocksDBStoreAndRecovery(storeDir, LRUCacheSize, WriteBufferSize)
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require.NoError(t, err)
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mf = &MetadataFsm{
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store: db,
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}
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mf.snapshotHandler = func() {
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t.Logf("snapshot success")
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}
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return
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}
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func prepareDbForFSMTest(t *testing.T, db *raftstore_db.RocksDBStore) {
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const dataCount = 10000
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randGen := rand.New(rand.NewSource(time.Now().UnixMilli()))
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for i := 0; i < dataCount; i++ {
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key := strconv.FormatInt(randGen.Int63(), 10)
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value := make([]byte, 8)
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binary.BigEndian.PutUint64(value, randGen.Uint64())
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_, err := db.Put(key, value, false)
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require.NoError(t, err)
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}
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}
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func TestFsmApplySnapshot(t *testing.T) {
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fsm := newFsmForMetadataFsmTest(t)
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prepareDbForFSMTest(t, fsm.store)
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leaderFsm := newFsmForMetadataFsmTest(t)
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key := "Hello"
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value := "World"
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_, err := leaderFsm.store.Put(key, []byte(value), true)
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require.NoError(t, err)
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snap, err := leaderFsm.Snapshot()
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require.NoError(t, err)
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fsm.ApplySnapshot(nil, snap)
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cnt := 0
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snapshot := fsm.store.RocksDBSnapshot()
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defer fsm.store.ReleaseSnapshot(snapshot)
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iter := fsm.store.Iterator(snapshot)
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defer iter.Close()
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for iter.SeekToFirst(); iter.Valid(); iter.Next() {
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require.EqualValues(t, iter.Key().Data(), []byte(key))
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require.EqualValues(t, iter.Value().Data(), []byte(value))
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t.Logf("seek %v:%v", iter.Key(), iter.Value())
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cnt++
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}
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require.EqualValues(t, 1, cnt)
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}
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