152 lines
3.1 KiB
Go
152 lines
3.1 KiB
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 ordering
|
|
|
|
import (
|
|
"context"
|
|
gContext "context"
|
|
"sync"
|
|
"testing"
|
|
|
|
pb "go.etcd.io/etcd/api/v3/etcdserverpb"
|
|
"go.etcd.io/etcd/v3/clientv3"
|
|
)
|
|
|
|
type mockKV struct {
|
|
clientv3.KV
|
|
response clientv3.OpResponse
|
|
}
|
|
|
|
func (kv *mockKV) Do(ctx gContext.Context, op clientv3.Op) (clientv3.OpResponse, error) {
|
|
return kv.response, nil
|
|
}
|
|
|
|
var rangeTests = []struct {
|
|
prevRev int64
|
|
response *clientv3.GetResponse
|
|
}{
|
|
{
|
|
5,
|
|
&clientv3.GetResponse{
|
|
Header: &pb.ResponseHeader{
|
|
Revision: 5,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
5,
|
|
&clientv3.GetResponse{
|
|
Header: &pb.ResponseHeader{
|
|
Revision: 4,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
5,
|
|
&clientv3.GetResponse{
|
|
Header: &pb.ResponseHeader{
|
|
Revision: 6,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
func TestKvOrdering(t *testing.T) {
|
|
for i, tt := range rangeTests {
|
|
mKV := &mockKV{clientv3.NewKVFromKVClient(nil, nil), tt.response.OpResponse()}
|
|
kv := &kvOrdering{
|
|
mKV,
|
|
func(r *clientv3.GetResponse) OrderViolationFunc {
|
|
return func(op clientv3.Op, resp clientv3.OpResponse, prevRev int64) error {
|
|
r.Header.Revision++
|
|
return nil
|
|
}
|
|
}(tt.response),
|
|
tt.prevRev,
|
|
sync.RWMutex{},
|
|
}
|
|
res, err := kv.Get(nil, "mockKey")
|
|
if err != nil {
|
|
t.Errorf("#%d: expected response %+v, got error %+v", i, tt.response, err)
|
|
}
|
|
if rev := res.Header.Revision; rev < tt.prevRev {
|
|
t.Errorf("#%d: expected revision %d, got %d", i, tt.prevRev, rev)
|
|
}
|
|
}
|
|
}
|
|
|
|
var txnTests = []struct {
|
|
prevRev int64
|
|
response *clientv3.TxnResponse
|
|
}{
|
|
{
|
|
5,
|
|
&clientv3.TxnResponse{
|
|
Header: &pb.ResponseHeader{
|
|
Revision: 5,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
5,
|
|
&clientv3.TxnResponse{
|
|
Header: &pb.ResponseHeader{
|
|
Revision: 8,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
5,
|
|
&clientv3.TxnResponse{
|
|
Header: &pb.ResponseHeader{
|
|
Revision: 4,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
func TestTxnOrdering(t *testing.T) {
|
|
for i, tt := range txnTests {
|
|
mKV := &mockKV{clientv3.NewKVFromKVClient(nil, nil), tt.response.OpResponse()}
|
|
kv := &kvOrdering{
|
|
mKV,
|
|
func(r *clientv3.TxnResponse) OrderViolationFunc {
|
|
return func(op clientv3.Op, resp clientv3.OpResponse, prevRev int64) error {
|
|
r.Header.Revision++
|
|
return nil
|
|
}
|
|
}(tt.response),
|
|
tt.prevRev,
|
|
sync.RWMutex{},
|
|
}
|
|
txn := &txnOrdering{
|
|
kv.Txn(context.Background()),
|
|
kv,
|
|
context.Background(),
|
|
sync.Mutex{},
|
|
[]clientv3.Cmp{},
|
|
[]clientv3.Op{},
|
|
[]clientv3.Op{},
|
|
}
|
|
res, err := txn.Commit()
|
|
if err != nil {
|
|
t.Errorf("#%d: expected response %+v, got error %+v", i, tt.response, err)
|
|
}
|
|
if rev := res.Header.Revision; rev < tt.prevRev {
|
|
t.Errorf("#%d: expected revision %d, got %d", i, tt.prevRev, rev)
|
|
}
|
|
}
|
|
}
|