mirror of https://github.com/ledisdb/ledisdb.git
118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
package ledis
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import (
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"bytes"
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"fmt"
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"github.com/siddontang/ledisdb/leveldb"
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"os"
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"path"
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"testing"
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)
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func checkLedisEqual(master *Ledis, slave *Ledis) error {
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it := master.ldb.RangeLimitIterator(nil, nil, leveldb.RangeClose, 0, -1)
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for ; it.Valid(); it.Next() {
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key := it.Key()
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value := it.Value()
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if v, err := slave.ldb.Get(key); err != nil {
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return err
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} else if !bytes.Equal(v, value) {
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return fmt.Errorf("replication error %d != %d", len(v), len(value))
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}
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}
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return nil
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}
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func TestReplication(t *testing.T) {
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var master *Ledis
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var slave *Ledis
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var err error
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os.RemoveAll("/tmp/test_repl")
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master, err = Open([]byte(`
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{
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"data_dir" : "/tmp/test_repl/master",
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"use_bin_log" : true,
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"bin_log" : {
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"max_file_size" : 50
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}
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}
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`))
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if err != nil {
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t.Fatal(err)
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}
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slave, err = Open([]byte(`
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{
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"data_dir" : "/tmp/test_repl/slave"
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}
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`))
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if err != nil {
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t.Fatal(err)
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}
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db, _ := master.Select(0)
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db.Set([]byte("a"), []byte("value"))
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db.Set([]byte("b"), []byte("value"))
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db.Set([]byte("c"), []byte("value"))
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db.HSet([]byte("a"), []byte("1"), []byte("value"))
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db.HSet([]byte("b"), []byte("2"), []byte("value"))
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db.HSet([]byte("c"), []byte("3"), []byte("value"))
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for _, name := range master.binlog.LogNames() {
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p := path.Join(master.binlog.cfg.Path, name)
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err = slave.ReplicateFromBinLog(p)
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if err != nil {
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t.Fatal(err)
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}
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}
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if err = checkLedisEqual(master, slave); err != nil {
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t.Fatal(err)
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}
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slave.FlushAll()
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db.Set([]byte("a1"), []byte("1"))
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db.Set([]byte("b1"), []byte("2"))
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db.Set([]byte("c1"), []byte("3"))
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db.HSet([]byte("a1"), []byte("1"), []byte("value"))
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db.HSet([]byte("b1"), []byte("2"), []byte("value"))
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db.HSet([]byte("c1"), []byte("3"), []byte("value"))
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info := new(MasterInfo)
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info.LogFileIndex = 1
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info.LogPos = 0
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var buf bytes.Buffer
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var n int
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for {
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buf.Reset()
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n, err = master.ReadEventsTo(info, &buf)
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if err != nil {
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t.Fatal(err)
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} else if info.LogFileIndex == -1 {
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t.Fatal("invalid log file index -1")
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} else if info.LogFileIndex == 0 {
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t.Fatal("invalid log file index 0")
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} else {
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if err = slave.ReplicateFromReader(&buf); err != nil {
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t.Fatal(err)
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}
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if n == 0 {
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break
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}
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}
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}
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if err = checkLedisEqual(master, slave); err != nil {
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t.Fatal(err)
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}
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}
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