| /* |
| Copyright 2016 The Kubernetes 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 etcd3 |
| |
| import ( |
| "context" |
| "testing" |
| |
| "github.com/coreos/etcd/clientv3" |
| etcdrpc "github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes" |
| "github.com/coreos/etcd/integration" |
| ) |
| |
| func TestCompact(t *testing.T) { |
| cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1}) |
| defer cluster.Terminate(t) |
| client := cluster.RandClient() |
| ctx := context.Background() |
| |
| putResp, err := client.Put(ctx, "/somekey", "data") |
| if err != nil { |
| t.Fatalf("Put failed: %v", err) |
| } |
| |
| putResp1, err := client.Put(ctx, "/somekey", "data2") |
| if err != nil { |
| t.Fatalf("Put failed: %v", err) |
| } |
| |
| _, _, err = compact(ctx, client, 0, putResp1.Header.Revision) |
| if err != nil { |
| t.Fatalf("compact failed: %v", err) |
| } |
| |
| obj, err := client.Get(ctx, "/somekey", clientv3.WithRev(putResp.Header.Revision)) |
| if err != etcdrpc.ErrCompacted { |
| t.Errorf("Expecting ErrCompacted, but get=%v err=%v", obj, err) |
| } |
| } |
| |
| // TestCompactConflict tests that two compactors (Let's use C1, C2) are trying to compact etcd cluster with the same |
| // logical time. |
| // - C1 compacts first. It will succeed. |
| // - C2 compacts after. It will fail. But it will get latest logical time, which should be larger by one. |
| func TestCompactConflict(t *testing.T) { |
| cluster := integration.NewClusterV3(t, &integration.ClusterConfig{Size: 1}) |
| defer cluster.Terminate(t) |
| client := cluster.RandClient() |
| ctx := context.Background() |
| |
| putResp, err := client.Put(ctx, "/somekey", "data") |
| if err != nil { |
| t.Fatalf("Put failed: %v", err) |
| } |
| |
| // Compact first. It would do the compaction and return compact time which is incremented by 1. |
| curTime, _, err := compact(ctx, client, 0, putResp.Header.Revision) |
| if err != nil { |
| t.Fatalf("compact failed: %v", err) |
| } |
| if curTime != 1 { |
| t.Errorf("Expect current logical time = 1, get = %v", curTime) |
| } |
| |
| // Compact again with the same parameters. It won't do compaction but return the latest compact time. |
| curTime2, _, err := compact(ctx, client, 0, putResp.Header.Revision) |
| if err != nil { |
| t.Fatalf("compact failed: %v", err) |
| } |
| if curTime != curTime2 { |
| t.Errorf("Unexpected curTime (%v) != curTime2 (%v)", curTime, curTime2) |
| } |
| } |