blob: 01bfef10a2c2db451c359512fcbb960c7b87ce84 [file] [log] [blame]
// Copyright 2016 The etcd Authors
//
// Licensed 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 integration
import (
"context"
"fmt"
"reflect"
"sync"
"testing"
"time"
"github.com/coreos/etcd/clientv3/mirror"
"github.com/coreos/etcd/integration"
"github.com/coreos/etcd/mvcc/mvccpb"
"github.com/coreos/etcd/pkg/testutil"
)
func TestMirrorSync(t *testing.T) {
defer testutil.AfterTest(t)
clus := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1})
defer clus.Terminate(t)
c := clus.Client(0)
_, err := c.KV.Put(context.TODO(), "foo", "bar")
if err != nil {
t.Fatal(err)
}
syncer := mirror.NewSyncer(c, "", 0)
gch, ech := syncer.SyncBase(context.TODO())
wkvs := []*mvccpb.KeyValue{{Key: []byte("foo"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1}}
for g := range gch {
if !reflect.DeepEqual(g.Kvs, wkvs) {
t.Fatalf("kv = %v, want %v", g.Kvs, wkvs)
}
}
for e := range ech {
t.Fatalf("unexpected error %v", e)
}
wch := syncer.SyncUpdates(context.TODO())
_, err = c.KV.Put(context.TODO(), "foo", "bar")
if err != nil {
t.Fatal(err)
}
select {
case r := <-wch:
wkv := &mvccpb.KeyValue{Key: []byte("foo"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 3, Version: 2}
if !reflect.DeepEqual(r.Events[0].Kv, wkv) {
t.Fatalf("kv = %v, want %v", r.Events[0].Kv, wkv)
}
case <-time.After(time.Second):
t.Fatal("failed to receive update in one second")
}
}
func TestMirrorSyncBase(t *testing.T) {
cluster := integration.NewClusterV3(nil, &integration.ClusterConfig{Size: 1})
defer cluster.Terminate(nil)
cli := cluster.Client(0)
ctx := context.TODO()
keyCh := make(chan string)
var wg sync.WaitGroup
for i := 0; i < 50; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for key := range keyCh {
if _, err := cli.Put(ctx, key, "test"); err != nil {
t.Fatal(err)
}
}
}()
}
for i := 0; i < 2000; i++ {
keyCh <- fmt.Sprintf("test%d", i)
}
close(keyCh)
wg.Wait()
syncer := mirror.NewSyncer(cli, "test", 0)
respCh, errCh := syncer.SyncBase(ctx)
count := 0
for resp := range respCh {
count = count + len(resp.Kvs)
if !resp.More {
break
}
}
for err := range errCh {
t.Fatalf("unexpected error %v", err)
}
if count != 2000 {
t.Errorf("unexpected kv count: %d", count)
}
}