ledisdb/ledis/replication_test.go

109 lines
2.2 KiB
Go

package ledis
import (
"bytes"
"fmt"
"os"
"testing"
"git.internal/re/ledisdb/config"
"git.internal/re/ledisdb/store"
)
func checkLedisEqual(master *Ledis, slave *Ledis) error {
it := master.ldb.RangeLimitIterator(nil, nil, store.RangeClose, 0, -1)
for ; it.Valid(); it.Next() {
key := it.Key()
value := it.Value()
if v, err := slave.ldb.Get(key); err != nil {
return err
} else if !bytes.Equal(v, value) {
return fmt.Errorf("equal error at %q, %d != %d", key, len(v), len(value))
}
}
return nil
}
func TestReplication(t *testing.T) {
var master *Ledis
var slave *Ledis
var err error
cfgM := config.NewConfigDefault()
cfgM.DataDir = "/tmp/test_repl/master"
cfgM.UseReplication = true
cfgM.Replication.Compression = true
os.RemoveAll(cfgM.DataDir)
master, err = Open(cfgM)
if err != nil {
t.Fatal(err)
}
defer master.Close()
cfgS := config.NewConfigDefault()
cfgS.DataDir = "/tmp/test_repl/slave"
cfgS.UseReplication = true
cfgS.Readonly = true
os.RemoveAll(cfgS.DataDir)
slave, err = Open(cfgS)
if err != nil {
t.Fatal(err)
}
defer slave.Close()
db, _ := master.Select(0)
db.Set([]byte("a"), []byte("value"))
db.Set([]byte("b"), []byte("value"))
db.Set([]byte("c"), []byte("value"))
db.HSet([]byte("a"), []byte("1"), []byte("value"))
db.HSet([]byte("b"), []byte("2"), []byte("value"))
db.HSet([]byte("c"), []byte("3"), []byte("value"))
// m, _ := db.Multi()
// m.Set([]byte("a1"), []byte("value"))
// m.Set([]byte("b1"), []byte("value"))
// m.Set([]byte("c1"), []byte("value"))
// m.Close()
slave.FlushAll()
db.Set([]byte("a1"), []byte("value"))
db.Set([]byte("b1"), []byte("value"))
db.Set([]byte("c1"), []byte("value"))
db.HSet([]byte("a1"), []byte("1"), []byte("value"))
db.HSet([]byte("b1"), []byte("2"), []byte("value"))
db.HSet([]byte("c1"), []byte("3"), []byte("value"))
var buf bytes.Buffer
var n int
var id uint64 = 1
for {
buf.Reset()
n, id, err = master.ReadLogsTo(id, &buf)
if err != nil {
t.Fatal(err)
} else if n != 0 {
if err = slave.StoreLogsFromReader(&buf); err != nil {
t.Fatal(err)
}
} else if n == 0 {
break
}
}
slave.WaitReplication()
if err = checkLedisEqual(master, slave); err != nil {
t.Fatal(err)
}
}