func removeNeedlessRangeReqs(txn *pb.TxnRequest) {
f := func(ops []*pb.RequestOp) []*pb.RequestOp {
j := 0
for i := 0; i < len(ops); i++ {
if _, ok := ops[i].Request.(*pb.RequestOp_RequestRange); ok {
continue
}
ops[j] = ops[i]
j++
}
return ops[:j]
}
txn.Success = f(txn.Success)
txn.Failure = f(txn.Failure)
}
func successState(txn *pb.TxnRequest, r *bufio.Reader) stateFunc {
fmt.Println("entry success request[method key value(end_range)] (end with empty line):")
line, err := r.ReadString('\n')
if err != nil {
ExitWithError(ExitInvalidInput, err)
}
if len(line) == 1 {
return failureState
}
// remove trialling \n
line = line[:len(line)-1]
ru, err := parseRequestUnion(line)
if err != nil {
ExitWithError(ExitInvalidInput, err)
}
txn.Success = append(txn.Success, ru)
return successState
}
func compareState(txn *pb.TxnRequest, r *bufio.Reader) stateFunc {
fmt.Println("entry comparison[key target expected_result compare_value] (end with empty line):")
line, err := r.ReadString('\n')
if err != nil {
ExitWithError(ExitInvalidInput, err)
}
if len(line) == 1 {
return successState
}
// remove trialling \n
line = line[:len(line)-1]
c, err := parseCompare(line)
if err != nil {
ExitWithError(ExitInvalidInput, err)
}
txn.Compare = append(txn.Compare, c)
return compareState
}
func failureState(txn *pb.TxnRequest, r *bufio.Reader) stateFunc {
fmt.Println("entry failure request[method key value(end_range)] (end with empty line):")
line, err := r.ReadString('\n')
if err != nil {
os.Exit(1)
}
if len(line) == 1 {
return nil
}
// remove trialling \n
line = line[:len(line)-1]
ru, err := parseRequestUnion(line)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
txn.Failure = append(txn.Failure, ru)
return failureState
}
// testV3WatchMultipleEventsTxn tests Watch APIs when it receives multiple events.
func testV3WatchMultipleEventsTxn(t *testing.T, startRev int64) {
clus := newClusterGRPC(t, &clusterConfig{size: 3})
wAPI := pb.NewWatchClient(clus.RandConn())
wStream, wErr := wAPI.Watch(context.TODO())
if wErr != nil {
t.Fatalf("wAPI.Watch error: %v", wErr)
}
if err := wStream.Send(&pb.WatchRequest{CreateRequest: &pb.WatchCreateRequest{Prefix: []byte("foo"), StartRevision: startRev}}); err != nil {
t.Fatalf("wStream.Send error: %v", err)
}
kvc := pb.NewKVClient(clus.RandConn())
txn := pb.TxnRequest{}
for i := 0; i < 3; i++ {
ru := &pb.RequestUnion{}
ru.RequestPut = &pb.PutRequest{Key: []byte(fmt.Sprintf("foo%d", i)), Value: []byte("bar")}
txn.Success = append(txn.Success, ru)
}
tresp, err := kvc.Txn(context.Background(), &txn)
if err != nil {
t.Fatalf("kvc.Txn error: %v", err)
}
if !tresp.Succeeded {
t.Fatalf("kvc.Txn failed: %+v", tresp)
}
events := []*storagepb.Event{}
for len(events) < 3 {
resp, err := wStream.Recv()
if err != nil {
t.Errorf("wStream.Recv error: %v", err)
}
if resp.Created {
continue
}
events = append(events, resp.Events...)
}
sort.Sort(eventsSortByKey(events))
wevents := []*storagepb.Event{
{
Type: storagepb.PUT,
Kv: &storagepb.KeyValue{Key: []byte("foo0"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1},
},
{
Type: storagepb.PUT,
Kv: &storagepb.KeyValue{Key: []byte("foo1"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1},
},
{
Type: storagepb.PUT,
Kv: &storagepb.KeyValue{Key: []byte("foo2"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1},
},
}
if !reflect.DeepEqual(events, wevents) {
t.Errorf("events got = %+v, want = %+v", events, wevents)
}
rok, nr := WaitResponse(wStream, 1*time.Second)
if !rok {
t.Errorf("unexpected pb.WatchResponse is received %+v", nr)
}
// can't defer because tcp ports will be in use
clus.Terminate(t)
}
// testV3WatchMultipleEventsTxn tests Watch APIs when it receives multiple events.
func testV3WatchMultipleEventsTxn(t *testing.T, startRev int64) {
clus := NewClusterV3(t, &ClusterConfig{Size: 3})
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
wStream, wErr := toGRPC(clus.RandClient()).Watch.Watch(ctx)
if wErr != nil {
t.Fatalf("wAPI.Watch error: %v", wErr)
}
wreq := &pb.WatchRequest{RequestUnion: &pb.WatchRequest_CreateRequest{
CreateRequest: &pb.WatchCreateRequest{
Key: []byte("foo"), RangeEnd: []byte("fop"), StartRevision: startRev}}}
if err := wStream.Send(wreq); err != nil {
t.Fatalf("wStream.Send error: %v", err)
}
kvc := toGRPC(clus.RandClient()).KV
txn := pb.TxnRequest{}
for i := 0; i < 3; i++ {
ru := &pb.RequestUnion{}
ru.Request = &pb.RequestUnion_RequestPut{
RequestPut: &pb.PutRequest{
Key: []byte(fmt.Sprintf("foo%d", i)), Value: []byte("bar")}}
txn.Success = append(txn.Success, ru)
}
tresp, err := kvc.Txn(context.Background(), &txn)
if err != nil {
t.Fatalf("kvc.Txn error: %v", err)
}
if !tresp.Succeeded {
t.Fatalf("kvc.Txn failed: %+v", tresp)
}
events := []*mvccpb.Event{}
for len(events) < 3 {
resp, err := wStream.Recv()
if err != nil {
t.Errorf("wStream.Recv error: %v", err)
}
if resp.Created {
continue
}
events = append(events, resp.Events...)
}
sort.Sort(eventsSortByKey(events))
wevents := []*mvccpb.Event{
{
Type: mvccpb.PUT,
Kv: &mvccpb.KeyValue{Key: []byte("foo0"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1},
},
{
Type: mvccpb.PUT,
Kv: &mvccpb.KeyValue{Key: []byte("foo1"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1},
},
{
Type: mvccpb.PUT,
Kv: &mvccpb.KeyValue{Key: []byte("foo2"), Value: []byte("bar"), CreateRevision: 2, ModRevision: 2, Version: 1},
},
}
if !reflect.DeepEqual(events, wevents) {
t.Errorf("events got = %+v, want = %+v", events, wevents)
}
rok, nr := waitResponse(wStream, 1*time.Second)
if !rok {
t.Errorf("unexpected pb.WatchResponse is received %+v", nr)
}
// can't defer because tcp ports will be in use
clus.Terminate(t)
}