go.etcd.io/etcd@v3.3.27+incompatible/compactor/revision_test.go (about) 1 // Copyright 2017 The etcd Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package compactor 16 17 import ( 18 "reflect" 19 "testing" 20 "time" 21 22 pb "github.com/coreos/etcd/etcdserver/etcdserverpb" 23 "github.com/coreos/etcd/pkg/testutil" 24 25 "github.com/jonboulle/clockwork" 26 ) 27 28 func TestRevision(t *testing.T) { 29 fc := clockwork.NewFakeClock() 30 rg := &fakeRevGetter{testutil.NewRecorderStream(), 0} 31 compactable := &fakeCompactable{testutil.NewRecorderStream()} 32 tb := newRevision(fc, 10, rg, compactable) 33 34 tb.Run() 35 defer tb.Stop() 36 37 fc.Advance(revInterval) 38 rg.Wait(1) 39 // nothing happens 40 41 rg.SetRev(99) // will be 100 42 expectedRevision := int64(90) 43 fc.Advance(revInterval) 44 rg.Wait(1) 45 a, err := compactable.Wait(1) 46 if err != nil { 47 t.Fatal(err) 48 } 49 if !reflect.DeepEqual(a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision}) { 50 t.Errorf("compact request = %v, want %v", a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision}) 51 } 52 53 // skip the same revision 54 rg.SetRev(99) // will be 100 55 rg.Wait(1) 56 // nothing happens 57 58 rg.SetRev(199) // will be 200 59 expectedRevision = int64(190) 60 fc.Advance(revInterval) 61 rg.Wait(1) 62 a, err = compactable.Wait(1) 63 if err != nil { 64 t.Fatal(err) 65 } 66 if !reflect.DeepEqual(a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision}) { 67 t.Errorf("compact request = %v, want %v", a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision}) 68 } 69 } 70 71 func TestRevisionPause(t *testing.T) { 72 fc := clockwork.NewFakeClock() 73 rg := &fakeRevGetter{testutil.NewRecorderStream(), 99} // will be 100 74 compactable := &fakeCompactable{testutil.NewRecorderStream()} 75 tb := newRevision(fc, 10, rg, compactable) 76 77 tb.Run() 78 tb.Pause() 79 80 // tb will collect 3 hours of revisions but not compact since paused 81 n := int(time.Hour / revInterval) 82 for i := 0; i < 3*n; i++ { 83 fc.Advance(revInterval) 84 } 85 // tb ends up waiting for the clock 86 87 select { 88 case a := <-compactable.Chan(): 89 t.Fatalf("unexpected action %v", a) 90 case <-time.After(10 * time.Millisecond): 91 } 92 93 // tb resumes to being blocked on the clock 94 tb.Resume() 95 96 // unblock clock, will kick off a compaction at hour 3:05 97 fc.Advance(revInterval) 98 rg.Wait(1) 99 a, err := compactable.Wait(1) 100 if err != nil { 101 t.Fatal(err) 102 } 103 wreq := &pb.CompactionRequest{Revision: int64(90)} 104 if !reflect.DeepEqual(a[0].Params[0], wreq) { 105 t.Errorf("compact request = %v, want %v", a[0].Params[0], wreq.Revision) 106 } 107 }