https://github.com/coreos/etcd
Tip revision: 9fd7e2b8020c54e45023511cbbe4d29e8a3f4171 authored by Gyuho Lee on 01 April 2020, 17:46:23 UTC
version: 3.3.20
version: 3.3.20
Tip revision: 9fd7e2b
revision_test.go
// Copyright 2017 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 compactor
import (
"reflect"
"testing"
"time"
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
"github.com/coreos/etcd/pkg/testutil"
"github.com/jonboulle/clockwork"
)
func TestRevision(t *testing.T) {
fc := clockwork.NewFakeClock()
rg := &fakeRevGetter{testutil.NewRecorderStream(), 0}
compactable := &fakeCompactable{testutil.NewRecorderStream()}
tb := newRevision(fc, 10, rg, compactable)
tb.Run()
defer tb.Stop()
fc.Advance(revInterval)
rg.Wait(1)
// nothing happens
rg.SetRev(99) // will be 100
expectedRevision := int64(90)
fc.Advance(revInterval)
rg.Wait(1)
a, err := compactable.Wait(1)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision}) {
t.Errorf("compact request = %v, want %v", a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision})
}
// skip the same revision
rg.SetRev(99) // will be 100
rg.Wait(1)
// nothing happens
rg.SetRev(199) // will be 200
expectedRevision = int64(190)
fc.Advance(revInterval)
rg.Wait(1)
a, err = compactable.Wait(1)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision}) {
t.Errorf("compact request = %v, want %v", a[0].Params[0], &pb.CompactionRequest{Revision: expectedRevision})
}
}
func TestRevisionPause(t *testing.T) {
fc := clockwork.NewFakeClock()
rg := &fakeRevGetter{testutil.NewRecorderStream(), 99} // will be 100
compactable := &fakeCompactable{testutil.NewRecorderStream()}
tb := newRevision(fc, 10, rg, compactable)
tb.Run()
tb.Pause()
// tb will collect 3 hours of revisions but not compact since paused
n := int(time.Hour / revInterval)
for i := 0; i < 3*n; i++ {
fc.Advance(revInterval)
}
// tb ends up waiting for the clock
select {
case a := <-compactable.Chan():
t.Fatalf("unexpected action %v", a)
case <-time.After(10 * time.Millisecond):
}
// tb resumes to being blocked on the clock
tb.Resume()
// unblock clock, will kick off a compaction at hour 3:05
fc.Advance(revInterval)
rg.Wait(1)
a, err := compactable.Wait(1)
if err != nil {
t.Fatal(err)
}
wreq := &pb.CompactionRequest{Revision: int64(90)}
if !reflect.DeepEqual(a[0].Params[0], wreq) {
t.Errorf("compact request = %v, want %v", a[0].Params[0], wreq.Revision)
}
}