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broker_redis_test.go
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broker_redis_test.go
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//go:build integration
package centrifuge
import (
"context"
"fmt"
"math/rand"
"net"
"os"
"strconv"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/centrifugal/protocol"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
)
func getUniquePrefix() string {
return "centrifuge-test-" + randString(3) + "-" + strconv.FormatInt(time.Now().UnixNano(), 10)
}
func newTestRedisBroker(tb testing.TB, n *Node, useStreams bool, useCluster bool, port int) *RedisBroker {
if useCluster {
return NewTestRedisBrokerCluster(tb, n, getUniquePrefix(), useStreams)
}
return NewTestRedisBroker(tb, n, getUniquePrefix(), useStreams, port)
}
func testNode(tb testing.TB) *Node {
node, err := New(Config{
LogLevel: LogLevelDebug,
LogHandler: func(entry LogEntry) {},
})
require.NoError(tb, err)
return node
}
func benchNode(tb testing.TB) *Node {
node, err := New(Config{
LogLevel: LogLevelError,
LogHandler: func(entry LogEntry) {},
})
require.NoError(tb, err)
return node
}
func testSingleRedisConf(port int) RedisShardConfig {
if port == 0 {
port = 6379
}
return RedisShardConfig{
Address: "127.0.0.1:" + strconv.Itoa(port),
IOTimeout: 10 * time.Second,
ConnectTimeout: 10 * time.Second,
}
}
func NewTestRedisBroker(tb testing.TB, n *Node, prefix string, useStreams bool, port int) *RedisBroker {
tb.Helper()
redisConf := testSingleRedisConf(port)
s, err := NewRedisShard(n, redisConf)
require.NoError(tb, err)
e, err := NewRedisBroker(n, RedisBrokerConfig{
Prefix: prefix,
UseLists: !useStreams,
Shards: []*RedisShard{s},
})
require.NoError(tb, err)
n.SetBroker(e)
err = n.Run()
require.NoError(tb, err)
return e
}
func NewTestRedisBrokerCluster(tb testing.TB, n *Node, prefix string, useStreams bool) *RedisBroker {
tb.Helper()
numClusterNodes := 3
numClusterNodesStr := os.Getenv("CENTRIFUGE_REDIS_CLUSTER_BENCHMARKS_NUM_NODES")
if numClusterNodesStr != "" {
num, err := strconv.Atoi(numClusterNodesStr)
require.NoError(tb, err)
numClusterNodes = num
}
var clusterAddresses []string
for i := 0; i < numClusterNodes; i++ {
clusterAddresses = append(clusterAddresses, net.JoinHostPort("127.0.0.1", strconv.Itoa(7000+i)))
}
redisConf := RedisShardConfig{
ClusterAddresses: clusterAddresses,
IOTimeout: 10 * time.Second,
}
s, err := NewRedisShard(n, redisConf)
require.NoError(tb, err)
brokerConfig := RedisBrokerConfig{
Prefix: prefix,
UseLists: !useStreams,
Shards: []*RedisShard{s},
}
numClusterShardsStr := os.Getenv("CENTRIFUGE_REDIS_CLUSTER_BENCHMARKS_NUM_SHARDS")
if numClusterShardsStr != "" {
num, err := strconv.Atoi(numClusterShardsStr)
require.NoError(tb, err)
brokerConfig.numClusterShards = num
}
e, err := NewRedisBroker(n, brokerConfig)
if err != nil {
tb.Fatal(err)
}
n.SetBroker(e)
err = n.Run()
require.NoError(tb, err)
return e
}
func NewTestRedisBrokerSentinel(tb testing.TB) *RedisBroker {
tb.Helper()
n, _ := New(Config{})
redisConf := RedisShardConfig{
SentinelAddresses: []string{"127.0.0.1:26379"},
SentinelMasterName: "mymaster",
IOTimeout: 10 * time.Second,
ConnectTimeout: 10 * time.Second,
}
s, err := NewRedisShard(n, redisConf)
require.NoError(tb, err)
e, err := NewRedisBroker(n, RedisBrokerConfig{
Shards: []*RedisShard{s},
})
if err != nil {
tb.Fatal(err)
}
n.SetBroker(e)
err = n.Run()
require.NoError(tb, err)
return e
}
func stopRedisBroker(b *RedisBroker) {
_ = b.Close(context.Background())
for _, s := range b.shards {
s.shard.Close()
}
}
func TestRedisBroker_NoShards(t *testing.T) {
n, _ := New(Config{})
_, err := NewRedisBroker(n, RedisBrokerConfig{})
require.Error(t, err)
}
func TestRedisBrokerSentinel(t *testing.T) {
b := NewTestRedisBrokerSentinel(t)
defer stopRedisBroker(b)
_, _, err := b.History("test", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
},
})
require.NoError(t, err)
}
type historyRedisTest struct {
Name string
UseStreams bool
UseCluster bool
Port int
}
var historyRedisTests = []historyRedisTest{
{"rd_single_list", false, false, 6379},
{"rd_single_strm", true, false, 6379},
{"df_single_list", false, false, 7379},
{"df_single_strm", true, false, 7379},
{"rd_cluster_list", false, true, 0},
{"rd_cluster_strm", true, true, 0},
}
type noHistoryRedisTest struct {
Name string
UseCluster bool
Port int
}
var noHistoryRedisTests = []noHistoryRedisTest{
{"rd_single", false, 6379},
{"df_single", false, 7379},
{"rd_cluster", false, 0},
}
var historyBenchRedisTests = func() (tests []historyRedisTest) {
for _, t := range historyRedisTests {
if os.Getenv("CENTRIFUGE_REDIS_CLUSTER_BENCHMARKS") == "" && t.UseCluster {
continue
}
tests = append(tests, t)
}
return
}()
var noHistoryBenchRedisTests = func() (tests []noHistoryRedisTest) {
for _, t := range noHistoryRedisTests {
if os.Getenv("CENTRIFUGE_REDIS_CLUSTER_BENCHMARKS") == "" && t.UseCluster {
continue
}
tests = append(tests, t)
}
return
}()
//func excludeHistoryClusterTests(tests []historyRedisTest) []historyRedisTest {
// var res []historyRedisTest
// for _, t := range tests {
// if t.UseCluster {
// continue
// }
// res = append(res, t)
// }
// return res
//}
func excludeNoHistoryClusterTests(tests []noHistoryRedisTest) []noHistoryRedisTest {
var res []noHistoryRedisTest
for _, t := range tests {
if t.UseCluster {
continue
}
res = append(res, t)
}
return res
}
func TestRedisBroker(t *testing.T) {
for _, tt := range historyRedisTests {
t.Run(tt.Name, func(t *testing.T) {
node := testNode(t)
b := newTestRedisBroker(t, node, tt.UseStreams, tt.UseCluster, tt.Port)
defer func() { _ = node.Shutdown(context.Background()) }()
defer stopRedisBroker(b)
_, _, err := b.Publish("channel", testPublicationData(), PublishOptions{})
require.NoError(t, err)
_, _, err = b.Publish("channel", testPublicationData(), PublishOptions{})
require.NoError(t, err)
require.NoError(t, b.Subscribe("channel"))
require.NoError(t, b.Unsubscribe("channel"))
rawData := []byte("{}")
// test adding history
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 4, HistoryTTL: time.Second})
require.NoError(t, err)
pubs, _, err := b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
},
})
require.NoError(t, err)
require.Equal(t, 1, len(pubs))
require.Equal(t, pubs[0].Data, []byte("{}"))
// test history limit
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 4, HistoryTTL: time.Second})
require.NoError(t, err)
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 4, HistoryTTL: time.Second})
require.NoError(t, err)
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 4, HistoryTTL: time.Second})
require.NoError(t, err)
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: 2,
},
})
require.NoError(t, err)
require.Equal(t, 2, len(pubs))
// test history limit greater than history size
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 1, HistoryTTL: time.Second})
require.NoError(t, err)
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 1, HistoryTTL: time.Second})
require.NoError(t, err)
_, _, err = b.Publish("channel", rawData, PublishOptions{HistorySize: 1, HistoryTTL: time.Second})
require.NoError(t, err)
// ask all history.
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
},
})
require.NoError(t, err)
require.Equal(t, 1, len(pubs))
// ask more history than history_size.
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: 2,
},
})
require.NoError(t, err)
require.Equal(t, 1, len(pubs))
// test publishing control message.
err = b.PublishControl([]byte(""), "", "")
require.NoError(t, nil, err)
// test publishing control message.
err = b.PublishControl([]byte(""), "test", "")
require.NoError(t, nil, err)
require.NoError(t, b.PublishJoin("channel", &ClientInfo{}))
require.NoError(t, b.PublishLeave("channel", &ClientInfo{}))
})
}
}
func TestRedisBrokerPublishIdempotent(t *testing.T) {
for _, tt := range historyRedisTests {
t.Run(tt.Name, func(t *testing.T) {
node := testNode(t)
b := newTestRedisBroker(t, node, tt.UseStreams, tt.UseCluster, tt.Port)
defer func() { _ = node.Shutdown(context.Background()) }()
defer stopRedisBroker(b)
_, _, err := b.Publish("channel", testPublicationData(), PublishOptions{
IdempotencyKey: "publish_no_history",
})
require.NoError(t, err)
_, _, err = b.Publish("channel", testPublicationData(), PublishOptions{
IdempotencyKey: "publish_no_history",
})
require.NoError(t, err)
rawData := []byte("{}")
// test adding history
sp1, _, err := b.Publish("channel", rawData, PublishOptions{
HistorySize: 4,
HistoryTTL: time.Second,
IdempotencyKey: "publish_with_history",
})
require.NoError(t, err)
pubs, _, err := b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
},
})
require.NoError(t, err)
require.Equal(t, 1, len(pubs))
// test publish with history and same idempotency key.
sp2, _, err := b.Publish("channel", rawData, PublishOptions{
HistorySize: 4,
HistoryTTL: time.Second,
IdempotencyKey: "publish_with_history",
})
require.NoError(t, err)
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
},
})
require.NoError(t, err)
require.Equal(t, 1, len(pubs))
require.Equal(t, sp1, sp2)
})
}
}
func TestRedisCurrentPosition(t *testing.T) {
for _, tt := range historyRedisTests {
t.Run(tt.Name, func(t *testing.T) {
node := testNode(t)
b := newTestRedisBroker(t, node, tt.UseStreams, tt.UseCluster, tt.Port)
defer func() { _ = node.Shutdown(context.Background()) }()
defer stopRedisBroker(b)
channel := "test-current-position"
_, streamTop, err := b.History(channel, HistoryOptions{
Filter: HistoryFilter{
Limit: 0,
},
})
require.NoError(t, err)
require.Equal(t, uint64(0), streamTop.Offset)
rawData := []byte("{}")
_, _, err = b.Publish(channel, rawData, PublishOptions{HistorySize: 10, HistoryTTL: 2 * time.Second})
require.NoError(t, err)
_, streamTop, err = b.History(channel, HistoryOptions{
Filter: HistoryFilter{
Limit: 0,
},
})
require.NoError(t, err)
require.Equal(t, uint64(1), streamTop.Offset)
})
}
}
func TestRedisBrokerRecover(t *testing.T) {
for _, tt := range historyRedisTests {
t.Run(tt.Name, func(t *testing.T) {
node := testNode(t)
b := newTestRedisBroker(t, node, tt.UseStreams, tt.UseCluster, tt.Port)
defer func() { _ = node.Shutdown(context.Background()) }()
defer stopRedisBroker(b)
rawData := []byte("{}")
for i := 0; i < 5; i++ {
_, _, err := b.Publish("channel", rawData, PublishOptions{HistorySize: 10, HistoryTTL: 2 * time.Second})
require.NoError(t, err)
}
_, streamTop, err := b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: 0,
Since: nil,
},
})
require.NoError(t, err)
pubs, _, err := b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
Since: &StreamPosition{Offset: 2, Epoch: streamTop.Epoch},
},
})
require.NoError(t, err)
require.Equal(t, 3, len(pubs))
require.Equal(t, uint64(3), pubs[0].Offset)
require.Equal(t, uint64(4), pubs[1].Offset)
require.Equal(t, uint64(5), pubs[2].Offset)
for i := 0; i < 10; i++ {
_, _, err := b.Publish("channel", rawData, PublishOptions{HistorySize: 10, HistoryTTL: 2 * time.Second})
require.NoError(t, err)
}
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
Since: &StreamPosition{Offset: 0, Epoch: streamTop.Epoch},
},
})
require.NoError(t, err)
require.Equal(t, 10, len(pubs))
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
Since: &StreamPosition{Offset: 100, Epoch: streamTop.Epoch},
},
})
require.NoError(t, err)
require.Equal(t, 0, len(pubs))
require.NoError(t, b.RemoveHistory("channel"))
pubs, _, err = b.History("channel", HistoryOptions{
Filter: HistoryFilter{
Limit: -1,
Since: &StreamPosition{Offset: 2, Epoch: streamTop.Epoch},
},
})
require.NoError(t, err)
require.Equal(t, 0, len(pubs))
})
}
}
func pubSubChannels(t *testing.T, e *RedisBroker) ([]string, error) {
t.Helper()
client := e.shards[0].shard.client
return client.Do(context.Background(), client.B().PubsubChannels().Pattern(e.messagePrefix+"*").Build()).AsStrSlice()
}
func TestRedisBrokerSubscribeUnsubscribe(t *testing.T) {
for _, tt := range noHistoryRedisTests {
t.Run(tt.Name, func(t *testing.T) {
// Custom prefix to not collide with other tests.
node := testNode(t)
b := NewTestRedisBroker(t, node, getUniquePrefix(), false, 0)
defer func() { _ = node.Shutdown(context.Background()) }()
defer stopRedisBroker(b)
if b.shards[0].shard.useCluster {
t.Skip("Channels command is not supported when Redis Cluster is used")
}
require.NoError(t, b.Subscribe("1-test"))
require.NoError(t, b.Subscribe("1-test"))
channels, err := pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 1 {
// Redis PUBSUB CHANNELS command looks like eventual consistent, so sometimes
// it returns wrong results, sleeping for a while helps in such situations.
// See https://gist.github.com/FZambia/80a5241e06b4662f7fe89cfaf24072c3
time.Sleep(2000 * time.Millisecond)
channels, err := pubSubChannels(t, b)
require.NoError(t, err)
require.Equal(t, 1, len(channels), fmt.Sprintf("%#v", channels))
}
require.NoError(t, b.Unsubscribe("1-test"))
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, _ := pubSubChannels(t, b)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
var wg sync.WaitGroup
// The same channel in parallel.
for i := 0; i < 100; i++ {
wg.Add(1)
go func() {
defer wg.Done()
require.NoError(t, b.Subscribe("2-test"))
require.NoError(t, b.Unsubscribe("2-test"))
}()
}
wg.Wait()
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, _ := pubSubChannels(t, b)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
// Different channels in parallel.
for i := 0; i < 100; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
require.NoError(t, b.Subscribe("3-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("3-test-"+strconv.Itoa(i)))
}(i)
}
wg.Wait()
channels, err = pubSubChannels(t, b)
require.Equal(t, nil, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, err := pubSubChannels(t, b)
require.NoError(t, err)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
// The same channel sequential.
for i := 0; i < 1000; i++ {
require.NoError(t, b.Subscribe("4-test"))
require.NoError(t, b.Unsubscribe("4-test"))
}
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, _ := pubSubChannels(t, b)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
// Different channels sequential.
for j := 0; j < 10; j++ {
for i := 0; i < 100; i++ {
require.NoError(t, b.Subscribe("5-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("5-test-"+strconv.Itoa(i)))
}
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, err := pubSubChannels(t, b)
require.NoError(t, err)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
}
// Different channels subscribe only in parallel.
for i := 0; i < 100; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
require.NoError(t, b.Subscribe("6-test-"+strconv.Itoa(i)))
}(i)
}
wg.Wait()
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 100 {
time.Sleep(2000 * time.Millisecond)
channels, err := pubSubChannels(t, b)
require.NoError(t, err)
require.Equal(t, 100, len(channels), fmt.Sprintf("%#v", channels))
}
// Different channels unsubscribe only in parallel.
for i := 0; i < 100; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
require.NoError(t, b.Unsubscribe("6-test-"+strconv.Itoa(i)))
}(i)
}
wg.Wait()
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, _ := pubSubChannels(t, b)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
for i := 0; i < 100; i++ {
wg.Add(1)
go func(i int) {
defer wg.Done()
require.NoError(t, b.Unsubscribe("7-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("8-test-"+strconv.Itoa(i)))
require.NoError(t, b.Subscribe("8-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("9-test-"+strconv.Itoa(i)))
require.NoError(t, b.Subscribe("7-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("8-test-"+strconv.Itoa(i)))
require.NoError(t, b.Subscribe("9-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("9-test-"+strconv.Itoa(i)))
require.NoError(t, b.Unsubscribe("7-test-"+strconv.Itoa(i)))
}(i)
}
wg.Wait()
channels, err = pubSubChannels(t, b)
require.NoError(t, err)
if len(channels) != 0 {
time.Sleep(2000 * time.Millisecond)
channels, err := pubSubChannels(t, b)
require.NoError(t, err)
require.Equal(t, 0, len(channels), fmt.Sprintf("%#v", channels))
}
})
}
}
var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
func randString(n int) string {
random := rand.New(rand.NewSource(time.Now().UnixNano()))
b := make([]rune, n)
for i := range b {
b[i] = letterRunes[random.Intn(len(letterRunes))]
}
return string(b)
}
// TestRedisConsistentIndex exists to test consistent hashing algorithm we use.
// As we use random in this test we carefully do requires here.
// At least it can protect us from stupid mistakes to certain degree.
// We just expect +-equal distribution and keeping most of chans on
// the same shard after resharding.
func TestRedisConsistentIndex(t *testing.T) {
numChans := 10000
numShards := 10
chans := make([]string, numChans)
for i := 0; i < numChans; i++ {
chans[i] = randString(rand.Intn(10) + 1)
}
chanToShard := make(map[string]int)
chanToReshard := make(map[string]int)
shardToChan := make(map[int][]string)
for _, ch := range chans {
shard := consistentIndex(ch, numShards)
reshard := consistentIndex(ch, numShards+1)
chanToShard[ch] = shard
chanToReshard[ch] = reshard
if _, ok := shardToChan[shard]; !ok {
shardToChan[shard] = []string{}
}
shardChans := shardToChan[shard]
shardChans = append(shardChans, ch)
shardToChan[shard] = shardChans
}
for shard, shardChans := range shardToChan {
shardFraction := float64(len(shardChans)) * 100 / float64(len(chans))
fmt.Printf("Shard %d: %f%%\n", shard, shardFraction)
}
sameShards := 0
// And test resharding.
for ch, shard := range chanToShard {
reshard := chanToReshard[ch]
if shard == reshard {
sameShards++
}
}
sameFraction := float64(sameShards) * 100 / float64(len(chans))
fmt.Printf("Same shards after resharding: %f%%\n", sameFraction)
require.True(t, sameFraction > 0.7)
}
func TestRedisBrokerHandlePubSubMessage(t *testing.T) {
for _, tt := range excludeNoHistoryClusterTests(noHistoryRedisTests) {
t.Run(tt.Name, func(t *testing.T) {
node := testNode(t)
b := NewTestRedisBroker(t, node, getUniquePrefix(), tt.UseCluster, tt.Port)
defer func() { _ = node.Shutdown(context.Background()) }()
defer stopRedisBroker(b)
err := b.handleRedisClientMessage(&testBrokerEventHandler{HandlePublicationFunc: func(ch string, pub *Publication, sp StreamPosition, delta bool, prevPub *Publication) error {
require.Equal(t, "test", ch)
require.Equal(t, uint64(16901), sp.Offset)
require.Equal(t, "xyz", sp.Epoch)
return nil
}}, b.messageChannelID(b.shards[0].shard, "test"), []byte("__p1:16901:xyz__dsdsd"))
require.Error(t, err)
err = b.handleRedisClientMessage(&testBrokerEventHandler{HandlePublicationFunc: func(ch string, pub *Publication, sp StreamPosition, delta bool, prevPub *Publication) error {
return nil
}}, b.messageChannelID(b.shards[0].shard, "test"), []byte("__p1:16901"))
require.Error(t, err)
pub := &protocol.Publication{
Data: []byte("{}"),
}
data, err := pub.MarshalVT()
require.NoError(t, err)
var publicationHandlerCalled bool
err = b.handleRedisClientMessage(&testBrokerEventHandler{HandlePublicationFunc: func(ch string, pub *Publication, sp StreamPosition, delta bool, prevPub *Publication) error {
publicationHandlerCalled = true
require.Equal(t, "test", ch)
require.Equal(t, uint64(16901), sp.Offset)
require.Equal(t, "xyz", sp.Epoch)
return nil
}}, b.messageChannelID(b.shards[0].shard, "test"), []byte("__p1:16901:xyz__"+string(data)))
require.NoError(t, err)
require.True(t, publicationHandlerCalled)
info := &protocol.ClientInfo{
User: "12",
}
data, err = info.MarshalVT()
require.NoError(t, err)
var joinHandlerCalled bool
err = b.handleRedisClientMessage(&testBrokerEventHandler{HandleJoinFunc: func(ch string, info *ClientInfo) error {
joinHandlerCalled = true
require.Equal(t, "test", ch)
require.Equal(t, "12", info.UserID)
return nil
}}, b.messageChannelID(b.shards[0].shard, "test"), append(joinTypePrefix, data...))
require.NoError(t, err)
require.True(t, joinHandlerCalled)
var leaveHandlerCalled bool
err = b.handleRedisClientMessage(&testBrokerEventHandler{HandleLeaveFunc: func(ch string, info *ClientInfo) error {
leaveHandlerCalled = true
require.Equal(t, "test", ch)
require.Equal(t, "12", info.UserID)
return nil
}}, b.messageChannelID(b.shards[0].shard, "test"), append(leaveTypePrefix, data...))
require.NoError(t, err)
require.True(t, leaveHandlerCalled)
})
}
}
func BenchmarkRedisExtractPushData(b *testing.B) {
data := []byte(`__p1:16901:xyz__\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
_, _, sp, _, _, ok := extractPushData(data)
if !ok {
b.Fatal("wrong data")
}
if sp.Offset != 16901 {
b.Fatal("wrong offset")
}
if sp.Epoch != "xyz" {
b.Fatal("wrong epoch")
}
}
}
func TestRedisExtractPushData(t *testing.T) {
data := []byte(`__p1:16901:xyz.123__\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
pushData, pushType, sp, _, _, ok := extractPushData(data)
require.True(t, ok)
require.Equal(t, pubPushType, pushType)
require.Equal(t, uint64(16901), sp.Offset)
require.Equal(t, "xyz.123", sp.Epoch)
require.Equal(t, []byte(`\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`), pushData)
data = []byte(`\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
pushData, pushType, sp, _, _, ok = extractPushData(data)
require.True(t, ok)
require.Equal(t, pubPushType, pushType)
require.Equal(t, uint64(0), sp.Offset)
require.Equal(t, []byte(`\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`), pushData)
data = []byte(`__j__\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
pushData, pushType, sp, _, _, ok = extractPushData(data)
require.True(t, ok)
require.Equal(t, joinPushType, pushType)
require.Equal(t, uint64(0), sp.Offset)
require.Equal(t, []byte(`\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`), pushData)
data = []byte(`__l__\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
pushData, pushType, sp, _, _, ok = extractPushData(data)
require.True(t, ok)
require.Equal(t, leavePushType, pushType)
require.Equal(t, uint64(0), sp.Offset)
require.Equal(t, []byte(`\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`), pushData)
data = []byte(`____\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
_, _, _, _, _, ok = extractPushData(data)
require.False(t, ok)
data = []byte(`__a__\x12\nchat:index\x1aU\"\x0e{\"input\":\"__\"}*C\n\x0242\x12$37cb00a9-bcfa-4284-a1ae-607c7da3a8f4\x1a\x15{\"name\": \"Alexander\"}\"\x00`)
_, _, _, _, _, ok = extractPushData(data)
require.False(t, ok)
}
func TestNode_OnSurvey_TwoNodes(t *testing.T) {
for _, tt := range excludeNoHistoryClusterTests(noHistoryRedisTests) {
t.Run(tt.Name, func(t *testing.T) {
redisConf := testSingleRedisConf(tt.Port)
node1, _ := New(Config{})
s, err := NewRedisShard(node1, redisConf)
require.NoError(t, err)
prefix := getUniquePrefix()
b1, _ := NewRedisBroker(node1, RedisBrokerConfig{
Prefix: prefix,
Shards: []*RedisShard{s},
})
node1.SetBroker(b1)
_ = node1.Run()
defer func() { _ = node1.Shutdown(context.Background()) }()
defer stopRedisBroker(b1)
node1.OnSurvey(func(event SurveyEvent, callback SurveyCallback) {
require.Nil(t, event.Data)
require.Equal(t, "test_op", event.Op)
callback(SurveyReply{
Data: []byte("1"),
Code: 1,
})
})
node2, _ := New(Config{})
s2, err := NewRedisShard(node2, redisConf)
require.NoError(t, err)
b2, _ := NewRedisBroker(node2, RedisBrokerConfig{
Prefix: prefix,
Shards: []*RedisShard{s2},
})
node2.SetBroker(b2)
_ = node2.Run()
defer func() { _ = node2.Shutdown(context.Background()) }()
defer stopRedisBroker(b2)
node2.OnSurvey(func(event SurveyEvent, callback SurveyCallback) {
require.Nil(t, event.Data)
require.Equal(t, "test_op", event.Op)
callback(SurveyReply{
Data: []byte("2"),
Code: 2,
})
})
waitAllNodes(t, node1, 2)
results, err := node1.Survey(context.Background(), "test_op", nil, "")
require.NoError(t, err)
require.Len(t, results, 2)
res, ok := results[node1.ID()]
require.True(t, ok)
require.Equal(t, uint32(1), res.Code)
require.Equal(t, []byte("1"), res.Data)
res, ok = results[node2.ID()]
require.True(t, ok)
require.Equal(t, uint32(2), res.Code)
require.Equal(t, []byte("2"), res.Data)
})
}
}
func TestNode_OnNotification_TwoNodes(t *testing.T) {
for _, tt := range excludeNoHistoryClusterTests(noHistoryRedisTests) {
t.Run(tt.Name, func(t *testing.T) {
redisConf := testSingleRedisConf(tt.Port)
node1, _ := New(Config{})
s, err := NewRedisShard(node1, redisConf)
require.NoError(t, err)
prefix := getUniquePrefix()
b1, _ := NewRedisBroker(node1, RedisBrokerConfig{
Prefix: prefix,
Shards: []*RedisShard{s},
})
node1.SetBroker(b1)
_ = node1.Run()
defer func() { _ = node1.Shutdown(context.Background()) }()
defer stopRedisBroker(b1)
ch1 := make(chan struct{})
node1.OnNotification(func(event NotificationEvent) {
require.Equal(t, []byte(`notification`), event.Data)
require.Equal(t, "test_op", event.Op)
require.NotEmpty(t, event.FromNodeID)
require.Equal(t, node1.ID(), event.FromNodeID)
close(ch1)
})
node2, _ := New(Config{})
s2, err := NewRedisShard(node2, redisConf)
require.NoError(t, err)
b2, _ := NewRedisBroker(node2, RedisBrokerConfig{
Prefix: prefix,
Shards: []*RedisShard{s2},
})
node2.SetBroker(b2)
_ = node2.Run()
defer func() { _ = node2.Shutdown(context.Background()) }()
defer stopRedisBroker(b2)
ch2 := make(chan struct{})
node2.OnNotification(func(event NotificationEvent) {
require.Equal(t, []byte(`notification`), event.Data)
require.Equal(t, "test_op", event.Op)
require.NotEqual(t, node2.ID(), event.FromNodeID)
close(ch2)
})
waitAllNodes(t, node1, 2)
err = node1.Notify("test_op", []byte(`notification`), "")
require.NoError(t, err)
tm := time.After(5 * time.Second)
select {
case <-ch1:
select {
case <-ch2:
case <-tm:
t.Fatal("timeout on ch2")
}
case <-tm:
t.Fatal("timeout on ch1")
}
})
}
}
func TestRedisPubSubTwoNodes(t *testing.T) {
for _, tt := range excludeNoHistoryClusterTests(noHistoryRedisTests) {
t.Run(tt.Name, func(t *testing.T) {
redisConf := testSingleRedisConf(tt.Port)
prefix := getUniquePrefix()
node1, _ := New(Config{})
s, err := NewRedisShard(node1, redisConf)
require.NoError(t, err)
b1, _ := NewRedisBroker(node1, RedisBrokerConfig{
Prefix: prefix,
Shards: []*RedisShard{s},
numPubSubSubscribers: 4,
numPubSubProcessors: 2,
})
node1.SetBroker(b1)