| // 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) |
| } |
| } |