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Add support for logs in StreamingToken (#1229) 

* Add support for logs in StreamingToken

Tokens now end up looking like `s11_22|dl-0-123|ab-0-12224`
where `dl` and `ab` are log names, `0` is the partition and
`123` and `12224` are the offsets.

* Also test reserialisation

* s/|/./g so tokens url escape nicely
main
Kegsay 2020-07-29 19:00:04 +01:00 committed by GitHub
parent 9a5fb489c5
commit 0fdd4f14d1
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 189 additions and 55 deletions
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2
syncapi/consumers/clientapi.go
View File

@ -91,7 +91,7 @@ func (s *OutputClientDataConsumer) onMessage(msg *sarama.ConsumerMessage) error
}).Panicf("could not save account data")
}
s.notifier.OnNewEvent(nil, "", []string{string(msg.Key)}, types.NewStreamToken(pduPos, 0))
s.notifier.OnNewEvent(nil, "", []string{string(msg.Key)}, types.NewStreamToken(pduPos, 0, nil))
return nil
}

2
syncapi/consumers/eduserver_sendtodevice.go
View File

@ -106,7 +106,7 @@ func (s *OutputSendToDeviceEventConsumer) onMessage(msg *sarama.ConsumerMessage)
s.notifier.OnNewSendToDevice(
output.UserID,
[]string{output.DeviceID},
types.NewStreamToken(0, streamPos),
types.NewStreamToken(0, streamPos, nil),
)
return nil

4
syncapi/consumers/eduserver_typing.go
View File

@ -65,7 +65,7 @@ func (s *OutputTypingEventConsumer) Start() error {
s.db.SetTypingTimeoutCallback(func(userID, roomID string, latestSyncPosition int64) {
s.notifier.OnNewEvent(
nil, roomID, nil,
types.NewStreamToken(0, types.StreamPosition(latestSyncPosition)),
types.NewStreamToken(0, types.StreamPosition(latestSyncPosition), nil),
)
})
@ -94,6 +94,6 @@ func (s *OutputTypingEventConsumer) onMessage(msg *sarama.ConsumerMessage) error
typingPos = s.db.RemoveTypingUser(typingEvent.UserID, typingEvent.RoomID)
}
s.notifier.OnNewEvent(nil, output.Event.RoomID, nil, types.NewStreamToken(0, typingPos))
s.notifier.OnNewEvent(nil, output.Event.RoomID, nil, types.NewStreamToken(0, typingPos, nil))
return nil
}

15
syncapi/consumers/keychange_test.go
View File

@ -14,6 +14,7 @@ import (
var (
syncingUser = "@alice:localhost"
emptyToken = types.NewStreamToken(0, 0, nil)
)
type mockKeyAPI struct{}
@ -167,7 +168,7 @@ func TestKeyChangeCatchupOnJoinShareNewUser(t *testing.T) {
syncResponse := types.NewResponse()
syncResponse = joinResponseWithRooms(syncResponse, syncingUser, []string{newlyJoinedRoom})
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}
@ -190,7 +191,7 @@ func TestKeyChangeCatchupOnLeaveShareLeftUser(t *testing.T) {
syncResponse := types.NewResponse()
syncResponse = leaveResponseWithRooms(syncResponse, syncingUser, []string{newlyLeftRoom})
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}
@ -213,7 +214,7 @@ func TestKeyChangeCatchupOnJoinShareNoNewUsers(t *testing.T) {
syncResponse := types.NewResponse()
syncResponse = joinResponseWithRooms(syncResponse, syncingUser, []string{newlyJoinedRoom})
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}
@ -235,7 +236,7 @@ func TestKeyChangeCatchupOnLeaveShareNoUsers(t *testing.T) {
syncResponse := types.NewResponse()
syncResponse = leaveResponseWithRooms(syncResponse, syncingUser, []string{newlyLeftRoom})
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}
@ -294,7 +295,7 @@ func TestKeyChangeCatchupNoNewJoinsButMessages(t *testing.T) {
jr.Timeline.Events = roomTimelineEvents
syncResponse.Rooms.Join[roomID] = jr
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}
@ -322,7 +323,7 @@ func TestKeyChangeCatchupChangeAndLeft(t *testing.T) {
syncResponse = joinResponseWithRooms(syncResponse, syncingUser, []string{newlyJoinedRoom})
syncResponse = leaveResponseWithRooms(syncResponse, syncingUser, []string{newlyLeftRoom})
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}
@ -407,7 +408,7 @@ func TestKeyChangeCatchupChangeAndLeftSameRoom(t *testing.T) {
lr.Timeline.Events = roomEvents
syncResponse.Rooms.Leave[roomID] = lr
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, types.NewStreamToken(0, 0))
_, hasNew, err := consumer.Catchup(context.Background(), syncingUser, syncResponse, emptyToken)
if err != nil {
t.Fatalf("Catchup returned an error: %s", err)
}

6
syncapi/consumers/roomserver.go
View File

@ -158,7 +158,7 @@ func (s *OutputRoomEventConsumer) onNewRoomEvent(
}).Panicf("roomserver output log: write event failure")
return nil
}
s.notifier.OnNewEvent(&ev, "", nil, types.NewStreamToken(pduPos, 0))
s.notifier.OnNewEvent(&ev, "", nil, types.NewStreamToken(pduPos, 0, nil))
return nil
}
@ -176,7 +176,7 @@ func (s *OutputRoomEventConsumer) onNewInviteEvent(
}).Panicf("roomserver output log: write invite failure")
return nil
}
s.notifier.OnNewEvent(&msg.Event, "", nil, types.NewStreamToken(pduPos, 0))
s.notifier.OnNewEvent(&msg.Event, "", nil, types.NewStreamToken(pduPos, 0, nil))
return nil
}
@ -194,7 +194,7 @@ func (s *OutputRoomEventConsumer) onRetireInviteEvent(
}
// Notify any active sync requests that the invite has been retired.
// Invites share the same stream counter as PDUs
s.notifier.OnNewEvent(nil, "", []string{msg.TargetUserID}, types.NewStreamToken(sp, 0))
s.notifier.OnNewEvent(nil, "", []string{msg.TargetUserID}, types.NewStreamToken(sp, 0, nil))
return nil
}

4
syncapi/storage/shared/syncserver.go
View File

@ -434,7 +434,7 @@ func (d *Database) syncPositionTx(
if maxInviteID > maxEventID {
maxEventID = maxInviteID
}
sp = types.NewStreamToken(types.StreamPosition(maxEventID), types.StreamPosition(d.EDUCache.GetLatestSyncPosition()))
sp = types.NewStreamToken(types.StreamPosition(maxEventID), types.StreamPosition(d.EDUCache.GetLatestSyncPosition()), nil)
return
}
@ -731,7 +731,7 @@ func (d *Database) CompleteSync(
// Use a zero value SyncPosition for fromPos so all EDU states are added.
err = d.addEDUDeltaToResponse(
types.NewStreamToken(0, 0), toPos, joinedRoomIDs, res,
types.NewStreamToken(0, 0, nil), toPos, joinedRoomIDs, res,
)
if err != nil {
return nil, err

32
syncapi/storage/storage_test.go
View File

@ -163,7 +163,7 @@ func TestSyncResponse(t *testing.T) {
Name: "IncrementalSync penultimate",
DoSync: func() (*types.Response, error) {
from := types.NewStreamToken( // pretend we are at the penultimate event
positions[len(positions)-2], types.StreamPosition(0),
positions[len(positions)-2], types.StreamPosition(0), nil,
)
res := types.NewResponse()
return db.IncrementalSync(ctx, res, testUserDeviceA, from, latest, 5, false)
@ -176,7 +176,7 @@ func TestSyncResponse(t *testing.T) {
Name: "IncrementalSync limited",
DoSync: func() (*types.Response, error) {
from := types.NewStreamToken( // pretend we are 10 events behind
positions[len(positions)-11], types.StreamPosition(0),
positions[len(positions)-11], types.StreamPosition(0), nil,
)
res := types.NewResponse()
// limit is set to 5
@ -219,7 +219,7 @@ func TestSyncResponse(t *testing.T) {
if err != nil {
st.Fatalf("failed to do sync: %s", err)
}
next := types.NewStreamToken(latest.PDUPosition(), latest.EDUPosition())
next := types.NewStreamToken(latest.PDUPosition(), latest.EDUPosition(), nil)
if res.NextBatch != next.String() {
st.Errorf("NextBatch got %s want %s", res.NextBatch, next.String())
}
@ -243,7 +243,7 @@ func TestGetEventsInRangeWithPrevBatch(t *testing.T) {
t.Fatalf("failed to get SyncPosition: %s", err)
}
from := types.NewStreamToken(
positions[len(positions)-2], types.StreamPosition(0),
positions[len(positions)-2], types.StreamPosition(0), nil,
)
res := types.NewResponse()
@ -288,7 +288,7 @@ func TestGetEventsInRangeWithStreamToken(t *testing.T) {
t.Fatalf("failed to get SyncPosition: %s", err)
}
// head towards the beginning of time
to := types.NewStreamToken(0, 0)
to := types.NewStreamToken(0, 0, nil)
// backpaginate 5 messages starting at the latest position.
paginatedEvents, err := db.GetEventsInStreamingRange(ctx, &latest, &to, testRoomID, 5, true)
@ -531,14 +531,14 @@ func TestSendToDeviceBehaviour(t *testing.T) {
// At this point there should be no messages. We haven't sent anything
// yet.
events, updates, deletions, err := db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, 0))
events, updates, deletions, err := db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, 0, nil))
if err != nil {
t.Fatal(err)
}
if len(events) != 0 || len(updates) != 0 || len(deletions) != 0 {
t.Fatal("first call should have no updates")
}
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, 0))
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, 0, nil))
if err != nil {
return
}
@ -556,14 +556,14 @@ func TestSendToDeviceBehaviour(t *testing.T) {
// At this point we should get exactly one message. We're sending the sync position
// that we were given from the update and the send-to-device update will be updated
// in the database to reflect that this was the sync position we sent the message at.
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos))
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos, nil))
if err != nil {
t.Fatal(err)
}
if len(events) != 1 || len(updates) != 1 || len(deletions) != 0 {
t.Fatal("second call should have one update")
}
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, streamPos))
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, streamPos, nil))
if err != nil {
return
}
@ -571,35 +571,35 @@ func TestSendToDeviceBehaviour(t *testing.T) {
// At this point we should still have one message because we haven't progressed the
// sync position yet. This is equivalent to the client failing to /sync and retrying
// with the same position.
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos))
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos, nil))
if err != nil {
t.Fatal(err)
}
if len(events) != 1 || len(updates) != 0 || len(deletions) != 0 {
t.Fatal("third call should have one update still")
}
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, streamPos))
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, streamPos, nil))
if err != nil {
return
}
// At this point we should now have no updates, because we've progressed the sync
// position. Therefore the update from before will not be sent again.
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos+1))
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos+1, nil))
if err != nil {
t.Fatal(err)
}
if len(events) != 0 || len(updates) != 0 || len(deletions) != 1 {
t.Fatal("fourth call should have no updates")
}
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, streamPos+1))
err = db.CleanSendToDeviceUpdates(context.Background(), updates, deletions, types.NewStreamToken(0, streamPos+1, nil))
if err != nil {
return
}
// At this point we should still have no updates, because no new updates have been
// sent.
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos+2))
events, updates, deletions, err = db.SendToDeviceUpdatesForSync(ctx, "alice", "one", types.NewStreamToken(0, streamPos+2, nil))
if err != nil {
t.Fatal(err)
}
@ -636,7 +636,7 @@ func TestInviteBehaviour(t *testing.T) {
}
// both invite events should appear in a new sync
beforeRetireRes := types.NewResponse()
beforeRetireRes, err = db.IncrementalSync(ctx, beforeRetireRes, testUserDeviceA, types.NewStreamToken(0, 0), latest, 0, false)
beforeRetireRes, err = db.IncrementalSync(ctx, beforeRetireRes, testUserDeviceA, types.NewStreamToken(0, 0, nil), latest, 0, false)
if err != nil {
t.Fatalf("IncrementalSync failed: %s", err)
}
@ -651,7 +651,7 @@ func TestInviteBehaviour(t *testing.T) {
t.Fatalf("failed to get SyncPosition: %s", err)
}
res := types.NewResponse()
res, err = db.IncrementalSync(ctx, res, testUserDeviceA, types.NewStreamToken(0, 0), latest, 0, false)
res, err = db.IncrementalSync(ctx, res, testUserDeviceA, types.NewStreamToken(0, 0, nil), latest, 0, false)
if err != nil {
t.Fatalf("IncrementalSync failed: %s", err)
}

10
syncapi/sync/notifier_test.go
View File

@ -32,11 +32,11 @@ var (
randomMessageEvent gomatrixserverlib.HeaderedEvent
aliceInviteBobEvent gomatrixserverlib.HeaderedEvent
bobLeaveEvent gomatrixserverlib.HeaderedEvent
syncPositionVeryOld = types.NewStreamToken(5, 0)
syncPositionBefore = types.NewStreamToken(11, 0)
syncPositionAfter = types.NewStreamToken(12, 0)
syncPositionNewEDU = types.NewStreamToken(syncPositionAfter.PDUPosition(), 1)
syncPositionAfter2 = types.NewStreamToken(13, 0)
syncPositionVeryOld = types.NewStreamToken(5, 0, nil)
syncPositionBefore = types.NewStreamToken(11, 0, nil)
syncPositionAfter = types.NewStreamToken(12, 0, nil)
syncPositionNewEDU = types.NewStreamToken(syncPositionAfter.PDUPosition(), 1, nil)
syncPositionAfter2 = types.NewStreamToken(13, 0, nil)
)
var (

2
syncapi/sync/request.go
View File

@ -65,7 +65,7 @@ func newSyncRequest(req *http.Request, device userapi.Device, syncDB storage.Dat
since = &tok
}
if since == nil {
tok := types.NewStreamToken(0, 0)
tok := types.NewStreamToken(0, 0, nil)
since = &tok
}
timelineLimit := DefaultTimelineLimit

2
syncapi/sync/requestpool.go
View File

@ -138,7 +138,7 @@ func (rp *RequestPool) OnIncomingSyncRequest(req *http.Request, device *userapi.
func (rp *RequestPool) currentSyncForUser(req syncRequest, latestPos types.StreamingToken) (res *types.Response, err error) {
res = types.NewResponse()
since := types.NewStreamToken(0, 0)
since := types.NewStreamToken(0, 0, nil)
if req.since != nil {
since = *req.since
}

105
syncapi/types/types.go
View File

@ -39,6 +39,23 @@ var (
// StreamPosition represents the offset in the sync stream a client is at.
type StreamPosition int64
// LogPosition represents the offset in a Kafka log a client is at.
type LogPosition struct {
Partition int32
Offset int64
}
// IsAfter returns true if this position is after `lp`.
func (p *LogPosition) IsAfter(lp *LogPosition) bool {
if lp == nil {
return false
}
if p.Partition != lp.Partition {
return false
}
return p.Offset > lp.Offset
}
// StreamEvent is the same as gomatrixserverlib.Event but also has the PDU stream position for this event.
type StreamEvent struct {
gomatrixserverlib.HeaderedEvent
@ -90,6 +107,15 @@ const (
type StreamingToken struct {
syncToken
logs map[string]*LogPosition
}
func (t *StreamingToken) Log(name string) *LogPosition {
l, ok := t.logs[name]
if !ok {
return nil
}
return l
}
func (t *StreamingToken) PDUPosition() StreamPosition {
@ -99,7 +125,15 @@ func (t *StreamingToken) EDUPosition() StreamPosition {
return t.Positions[1]
}
func (t *StreamingToken) String() string {
return t.syncToken.String()
logStrings := []string{
t.syncToken.String(),
}
for name, lp := range t.logs {
logStr := fmt.Sprintf("%s-%d-%d", name, lp.Partition, lp.Offset)
logStrings = append(logStrings, logStr)
}
// E.g s11_22_33.dl0-134.ab1-441
return strings.Join(logStrings, ".")
}
// IsAfter returns true if ANY position in this token is greater than `other`.
@ -109,12 +143,22 @@ func (t *StreamingToken) IsAfter(other StreamingToken) bool {
return true
}
}
for name := range t.logs {
otherLog := other.Log(name)
if otherLog == nil {
continue
}
if t.logs[name].IsAfter(otherLog) {
return true
}
}
return false
}
// WithUpdates returns a copy of the StreamingToken with updates applied from another StreamingToken.
// If the latter StreamingToken contains a field that is not 0, it is considered an update,
// and its value will replace the corresponding value in the StreamingToken on which WithUpdates is called.
// If the other token has a log, they will replace any existing log on this token.
func (t *StreamingToken) WithUpdates(other StreamingToken) (ret StreamingToken) {
ret.Type = t.Type
ret.Positions = make([]StreamPosition, len(t.Positions))
@ -125,6 +169,13 @@ func (t *StreamingToken) WithUpdates(other StreamingToken) (ret StreamingToken)
}
ret.Positions[i] = other.Positions[i]
}
for name := range t.logs {
otherLog := other.Log(name)
if otherLog == nil {
continue
}
t.logs[name] = otherLog
}
return ret
}
@ -139,7 +190,7 @@ func (t *TopologyToken) PDUPosition() StreamPosition {
return t.Positions[1]
}
func (t *TopologyToken) StreamToken() StreamingToken {
return NewStreamToken(t.PDUPosition(), 0)
return NewStreamToken(t.PDUPosition(), 0, nil)
}
func (t *TopologyToken) String() string {
return t.syncToken.String()
@ -174,9 +225,9 @@ func (t *TopologyToken) Decrement() {
// error if the token couldn't be parsed into an int64, or if the token type
// isn't a known type (returns ErrInvalidSyncTokenType in the latter
// case).
func newSyncTokenFromString(s string) (token *syncToken, err error) {
func newSyncTokenFromString(s string) (token *syncToken, categories []string, err error) {
if len(s) == 0 {
return nil, ErrInvalidSyncTokenLen
return nil, nil, ErrInvalidSyncTokenLen
}
token = new(syncToken)
@ -185,16 +236,17 @@ func newSyncTokenFromString(s string) (token *syncToken, err error) {
switch t := SyncTokenType(s[:1]); t {
case SyncTokenTypeStream, SyncTokenTypeTopology:
token.Type = t
positions = strings.Split(s[1:], "_")
categories = strings.Split(s[1:], ".")
positions = strings.Split(categories[0], "_")
default:
return nil, ErrInvalidSyncTokenType
return nil, nil, ErrInvalidSyncTokenType
}
for _, pos := range positions {
if posInt, err := strconv.ParseInt(pos, 10, 64); err != nil {
return nil, err
return nil, nil, err
} else if posInt < 0 {
return nil, errors.New("negative position not allowed")
return nil, nil, errors.New("negative position not allowed")
} else {
token.Positions = append(token.Positions, StreamPosition(posInt))
}
@ -215,7 +267,7 @@ func NewTopologyToken(depth, streamPos StreamPosition) TopologyToken {
}
}
func NewTopologyTokenFromString(tok string) (token TopologyToken, err error) {
t, err := newSyncTokenFromString(tok)
t, _, err := newSyncTokenFromString(tok)
if err != nil {
return
}
@ -233,16 +285,20 @@ func NewTopologyTokenFromString(tok string) (token TopologyToken, err error) {
}
// NewStreamToken creates a new sync token for /sync
func NewStreamToken(pduPos, eduPos StreamPosition) StreamingToken {
func NewStreamToken(pduPos, eduPos StreamPosition, logs map[string]*LogPosition) StreamingToken {
if logs == nil {
logs = make(map[string]*LogPosition)
}
return StreamingToken{
syncToken: syncToken{
Type: SyncTokenTypeStream,
Positions: []StreamPosition{pduPos, eduPos},
},
logs: logs,
}
}
func NewStreamTokenFromString(tok string) (token StreamingToken, err error) {
t, err := newSyncTokenFromString(tok)
t, categories, err := newSyncTokenFromString(tok)
if err != nil {
return
}
@ -254,8 +310,35 @@ func NewStreamTokenFromString(tok string) (token StreamingToken, err error) {
err = fmt.Errorf("token %s wrong number of values, got %d want at least 2", tok, len(t.Positions))
return
}
logs := make(map[string]*LogPosition)
if len(categories) > 1 {
// dl-0-1234
// $log_name-$partition-$offset
for _, logStr := range categories[1:] {
segments := strings.Split(logStr, "-")
if len(segments) != 3 {
err = fmt.Errorf("token %s - invalid log: %s", tok, logStr)
return
}
var partition int64
partition, err = strconv.ParseInt(segments[1], 10, 32)
if err != nil {
return
}
var offset int64
offset, err = strconv.ParseInt(segments[2], 10, 64)
if err != nil {
return
}
logs[segments[0]] = &LogPosition{
Partition: int32(partition),
Offset: offset,
}
}
}
return StreamingToken{
syncToken: *t,
logs: logs,
}, nil
}

60
syncapi/types/types_test.go
View File

@ -1,11 +1,61 @@
package types
import "testing"
import (
"reflect"
"testing"
)
func TestNewSyncTokenWithLogs(t *testing.T) {
tests := map[string]*StreamingToken{
"s4_0": &StreamingToken{
syncToken: syncToken{Type: "s", Positions: []StreamPosition{4, 0}},
logs: make(map[string]*LogPosition),
},
"s4_0.dl-0-123": &StreamingToken{
syncToken: syncToken{Type: "s", Positions: []StreamPosition{4, 0}},
logs: map[string]*LogPosition{
"dl": &LogPosition{
Partition: 0,
Offset: 123,
},
},
},
"s4_0.dl-0-123.ab-1-14419482332": &StreamingToken{
syncToken: syncToken{Type: "s", Positions: []StreamPosition{4, 0}},
logs: map[string]*LogPosition{
"ab": &LogPosition{
Partition: 1,
Offset: 14419482332,
},
"dl": &LogPosition{
Partition: 0,
Offset: 123,
},
},
},
}
for tok, want := range tests {
got, err := NewStreamTokenFromString(tok)
if err != nil {
if want == nil {
continue // error expected
}
t.Errorf("%s errored: %s", tok, err)
continue
}
if !reflect.DeepEqual(got, *want) {
t.Errorf("%s mismatch: got %v want %v", tok, got, want)
}
if got.String() != tok {
t.Errorf("%s reserialisation mismatch: got %s want %s", tok, got.String(), tok)
}
}
}
func TestNewSyncTokenFromString(t *testing.T) {
shouldPass := map[string]syncToken{
"s4_0": NewStreamToken(4, 0).syncToken,
"s3_1": NewStreamToken(3, 1).syncToken,
"s4_0": NewStreamToken(4, 0, nil).syncToken,
"s3_1": NewStreamToken(3, 1, nil).syncToken,
"t3_1": NewTopologyToken(3, 1).syncToken,
}
@ -21,7 +71,7 @@ func TestNewSyncTokenFromString(t *testing.T) {
}
for test, expected := range shouldPass {
result, err := newSyncTokenFromString(test)
result, _, err := newSyncTokenFromString(test)
if err != nil {
t.Error(err)
}
@ -31,7 +81,7 @@ func TestNewSyncTokenFromString(t *testing.T) {
}
for _, test := range shouldFail {
if _, err := newSyncTokenFromString(test); err == nil {
if _, _, err := newSyncTokenFromString(test); err == nil {
t.Errorf("input '%v' should have errored but didn't", test)
}
}