mirror of
https://github.com/strukturag/nextcloud-spreed-signaling
synced 2024-05-05 23:33:10 +02:00
Merge pull request #105 from strukturag/nats-tests
Add tests for regular NATS client.
This commit is contained in:
commit
8f3db6da80
2
go.mod
2
go.mod
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@ -9,7 +9,7 @@ require (
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github.com/gorilla/securecookie v1.1.1
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github.com/gorilla/websocket v1.4.2
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github.com/mailru/easyjson v0.7.7
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github.com/nats-io/nats-server/v2 v2.2.1 // indirect
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github.com/nats-io/nats-server/v2 v2.2.1
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github.com/nats-io/nats.go v1.10.1-0.20210330225420-a0b1f60162f8
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github.com/notedit/janus-go v0.0.0-20200517101215-10eb8b95d1a0
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github.com/oschwald/maxminddb-golang v1.8.0
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@ -52,9 +52,9 @@ type NatsSubscription interface {
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}
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type NatsClient interface {
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Subscribe(subject string, ch chan *nats.Msg) (NatsSubscription, error)
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Close()
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Request(subject string, data []byte, timeout time.Duration) (*nats.Msg, error)
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Subscribe(subject string, ch chan *nats.Msg) (NatsSubscription, error)
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Publish(subject string, message interface{}) error
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PublishNats(subject string, message *NatsMessage) error
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@ -120,6 +120,10 @@ func NewNatsClient(url string) (NatsClient, error) {
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return client, nil
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}
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func (c *natsClient) Close() {
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c.conn.Close()
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}
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func (c *natsClient) onClosed(conn *nats.Conn) {
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log.Println("NATS client closed", conn.LastError())
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}
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@ -136,10 +140,6 @@ func (c *natsClient) Subscribe(subject string, ch chan *nats.Msg) (NatsSubscript
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return c.nc.ChanSubscribe(subject, ch)
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}
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func (c *natsClient) Request(subject string, data []byte, timeout time.Duration) (*nats.Msg, error) {
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return c.nc.Request(subject, data, timeout)
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}
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func (c *natsClient) Publish(subject string, message interface{}) error {
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return c.conn.Publish(subject, message)
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}
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@ -22,13 +22,9 @@
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package signaling
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import (
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"context"
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"encoding/json"
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"log"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/nats-io/nats.go"
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)
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@ -36,7 +32,6 @@ import (
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type LoopbackNatsClient struct {
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mu sync.Mutex
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subscriptions map[string]map[*loopbackNatsSubscription]bool
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replyId uint64
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}
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func NewLoopbackNatsClient() (NatsClient, error) {
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@ -45,6 +40,19 @@ func NewLoopbackNatsClient() (NatsClient, error) {
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}, nil
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}
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func (c *LoopbackNatsClient) Close() {
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c.mu.Lock()
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defer c.mu.Unlock()
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for _, subs := range c.subscriptions {
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for sub := range subs {
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sub.Unsubscribe() // nolint
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}
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}
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c.subscriptions = nil
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}
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type loopbackNatsSubscription struct {
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subject string
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client *LoopbackNatsClient
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@ -105,6 +113,10 @@ func (c *LoopbackNatsClient) subscribe(subject string, ch chan *nats.Msg) (NatsS
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return nil, nats.ErrBadSubject
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}
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if c.subscriptions == nil {
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return nil, nats.ErrConnectionClosed
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}
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s := &loopbackNatsSubscription{
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subject: subject,
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client: c,
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@ -134,77 +146,6 @@ func (c *LoopbackNatsClient) unsubscribe(s *loopbackNatsSubscription) {
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}
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}
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func (c *LoopbackNatsClient) Request(subject string, data []byte, timeout time.Duration) (*nats.Msg, error) {
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if strings.HasSuffix(subject, ".") || strings.Contains(subject, " ") {
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return nil, nats.ErrBadSubject
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}
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c.mu.Lock()
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defer c.mu.Unlock()
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var response *nats.Msg
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var err error
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subs, found := c.subscriptions[subject]
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if !found {
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c.mu.Unlock()
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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<-ctx.Done()
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if ctx.Err() == context.DeadlineExceeded {
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err = nats.ErrTimeout
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} else {
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err = ctx.Err()
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}
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c.mu.Lock()
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return nil, err
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}
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replyId := c.replyId
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c.replyId += 1
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reply := "_reply_" + strconv.FormatUint(replyId, 10)
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responder := make(chan *nats.Msg)
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var replySubscriber NatsSubscription
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replySubscriber, err = c.subscribe(reply, responder)
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if err != nil {
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return nil, err
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}
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defer func() {
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go func() {
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if err := replySubscriber.Unsubscribe(); err != nil {
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log.Printf("Error closing reply subscriber %s: %s", reply, err)
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}
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}()
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}()
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msg := &nats.Msg{
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Subject: subject,
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Data: data,
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Reply: reply,
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Sub: &nats.Subscription{
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Subject: subject,
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},
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}
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for s := range subs {
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s.queue(msg)
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}
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c.mu.Unlock()
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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select {
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case response = <-responder:
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err = nil
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case <-ctx.Done():
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if ctx.Err() == context.DeadlineExceeded {
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err = nats.ErrTimeout
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} else {
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err = ctx.Err()
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}
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}
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c.mu.Lock()
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return response, err
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}
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func (c *LoopbackNatsClient) Publish(subject string, message interface{}) error {
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if strings.HasSuffix(subject, ".") || strings.Contains(subject, " ") {
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return nats.ErrBadSubject
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@ -212,6 +153,10 @@ func (c *LoopbackNatsClient) Publish(subject string, message interface{}) error
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c.mu.Lock()
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defer c.mu.Unlock()
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if c.subscriptions == nil {
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return nats.ErrConnectionClosed
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}
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if subs, found := c.subscriptions[subject]; found {
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msg := &nats.Msg{
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Subject: subject,
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@ -22,14 +22,9 @@
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package signaling
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import (
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"bytes"
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"context"
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"runtime"
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"sync/atomic"
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"testing"
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"time"
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"github.com/nats-io/nats.go"
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)
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func (c *LoopbackNatsClient) waitForSubscriptionsEmpty(ctx context.Context, t *testing.T) {
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@ -62,167 +57,33 @@ func CreateLoopbackNatsClientForTest(t *testing.T) NatsClient {
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}
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func TestLoopbackNatsClient_Subscribe(t *testing.T) {
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// Give time for things to settle before capturing the number of
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// go routines
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time.Sleep(500 * time.Millisecond)
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ensureNoGoroutinesLeak(t, func() {
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client := CreateLoopbackNatsClientForTest(t)
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base := runtime.NumGoroutine()
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client := CreateLoopbackNatsClientForTest(t)
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dest := make(chan *nats.Msg)
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sub, err := client.Subscribe("foo", dest)
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if err != nil {
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t.Fatal(err)
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}
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ch := make(chan bool)
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received := int32(0)
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max := int32(20)
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quit := make(chan bool)
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go func() {
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for {
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select {
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case <-dest:
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total := atomic.AddInt32(&received, 1)
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if total == max {
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err := sub.Unsubscribe()
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if err != nil {
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t.Errorf("Unsubscribe failed with err: %s", err)
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return
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}
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ch <- true
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}
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case <-quit:
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return
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}
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}
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}()
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for i := int32(0); i < max; i++ {
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if err := client.Publish("foo", []byte("hello")); err != nil {
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t.Error(err)
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}
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}
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<-ch
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r := atomic.LoadInt32(&received)
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if r != max {
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t.Fatalf("Received wrong # of messages: %d vs %d", r, max)
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}
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quit <- true
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// Give time for things to settle before capturing the number of
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// go routines
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time.Sleep(500 * time.Millisecond)
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delta := (runtime.NumGoroutine() - base)
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if delta > 0 {
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t.Fatalf("%d Go routines still exist post Close()", delta)
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}
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testNatsClient_Subscribe(t, client)
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})
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}
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func TestLoopbackNatsClient_Request(t *testing.T) {
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// Give time for things to settle before capturing the number of
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// go routines
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time.Sleep(500 * time.Millisecond)
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func TestLoopbackClient_PublishAfterClose(t *testing.T) {
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ensureNoGoroutinesLeak(t, func() {
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client := CreateLoopbackNatsClientForTest(t)
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base := runtime.NumGoroutine()
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client := CreateLoopbackNatsClientForTest(t)
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dest := make(chan *nats.Msg)
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sub, err := client.Subscribe("foo", dest)
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if err != nil {
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t.Fatal(err)
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}
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go func() {
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msg := <-dest
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if err := client.Publish(msg.Reply, []byte("world")); err != nil {
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t.Error(err)
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return
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}
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if err := sub.Unsubscribe(); err != nil {
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t.Error("Unsubscribe failed with err:", err)
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return
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}
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}()
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reply, err := client.Request("foo", []byte("hello"), 1*time.Second)
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if err != nil {
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t.Fatal(err)
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}
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var response []byte
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if err := client.Decode(reply, &response); err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(response, []byte("world")) {
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t.Fatalf("expected 'world', got '%s'", string(reply.Data))
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}
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// Give time for things to settle before capturing the number of
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// go routines
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time.Sleep(500 * time.Millisecond)
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delta := (runtime.NumGoroutine() - base)
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if delta > 0 {
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t.Fatalf("%d Go routines still exist post Close()", delta)
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}
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testNatsClient_PublishAfterClose(t, client)
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})
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}
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func TestLoopbackNatsClient_RequestTimeout(t *testing.T) {
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// Give time for things to settle before capturing the number of
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// go routines
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time.Sleep(500 * time.Millisecond)
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func TestLoopbackClient_SubscribeAfterClose(t *testing.T) {
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ensureNoGoroutinesLeak(t, func() {
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client := CreateLoopbackNatsClientForTest(t)
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base := runtime.NumGoroutine()
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client := CreateLoopbackNatsClientForTest(t)
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dest := make(chan *nats.Msg)
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sub, err := client.Subscribe("foo", dest)
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if err != nil {
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t.Fatal(err)
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}
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go func() {
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msg := <-dest
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time.Sleep(200 * time.Millisecond)
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if err := client.Publish(msg.Reply, []byte("world")); err != nil {
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t.Error(err)
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return
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}
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if err := sub.Unsubscribe(); err != nil {
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t.Error("Unsubscribe failed with err:", err)
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return
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}
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}()
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reply, err := client.Request("foo", []byte("hello"), 100*time.Millisecond)
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if err == nil {
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t.Fatalf("Request should have timed out, reeived %+v", reply)
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} else if err != nats.ErrTimeout {
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t.Fatalf("Request should have timed out, received error %s", err)
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}
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|
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// Give time for things to settle before capturing the number of
|
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// go routines
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time.Sleep(500 * time.Millisecond)
|
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|
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delta := (runtime.NumGoroutine() - base)
|
||||
if delta > 0 {
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t.Fatalf("%d Go routines still exist post Close()", delta)
|
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}
|
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testNatsClient_SubscribeAfterClose(t, client)
|
||||
})
|
||||
}
|
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|
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func TestLoopbackNatsClient_RequestTimeoutNoReply(t *testing.T) {
|
||||
client := CreateLoopbackNatsClientForTest(t)
|
||||
timeout := 100 * time.Millisecond
|
||||
start := time.Now()
|
||||
reply, err := client.Request("foo", []byte("hello"), timeout)
|
||||
end := time.Now()
|
||||
if err == nil {
|
||||
t.Fatalf("Request should have timed out, reeived %+v", reply)
|
||||
} else if err != nats.ErrTimeout {
|
||||
t.Fatalf("Request should have timed out, received error %s", err)
|
||||
}
|
||||
if end.Sub(start) < timeout {
|
||||
t.Errorf("Expected a delay of %s but had %s", timeout, end.Sub(start))
|
||||
}
|
||||
func TestLoopbackClient_BadSubjects(t *testing.T) {
|
||||
ensureNoGoroutinesLeak(t, func() {
|
||||
client := CreateLoopbackNatsClientForTest(t)
|
||||
|
||||
testNatsClient_BadSubjects(t, client)
|
||||
})
|
||||
}
|
||||
|
|
169
natsclient_test.go
Normal file
169
natsclient_test.go
Normal file
|
@ -0,0 +1,169 @@
|
|||
/**
|
||||
* Standalone signaling server for the Nextcloud Spreed app.
|
||||
* Copyright (C) 2021 struktur AG
|
||||
*
|
||||
* @author Joachim Bauch <bauch@struktur.de>
|
||||
*
|
||||
* @license GNU AGPL version 3 or any later version
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
package signaling
|
||||
|
||||
import (
|
||||
"sync/atomic"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/nats-io/nats.go"
|
||||
|
||||
natsserver "github.com/nats-io/nats-server/v2/test"
|
||||
)
|
||||
|
||||
func startLocalNatsServer() (string, func()) {
|
||||
opts := natsserver.DefaultTestOptions
|
||||
opts.Port = -1
|
||||
opts.Cluster.Name = "testing"
|
||||
srv := natsserver.RunServer(&opts)
|
||||
shutdown := func() {
|
||||
srv.Shutdown()
|
||||
srv.WaitForShutdown()
|
||||
}
|
||||
return srv.ClientURL(), shutdown
|
||||
}
|
||||
|
||||
func CreateLocalNatsClientForTest(t *testing.T) (NatsClient, func()) {
|
||||
url, shutdown := startLocalNatsServer()
|
||||
result, err := NewNatsClient(url)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
return result, func() {
|
||||
result.Close()
|
||||
shutdown()
|
||||
}
|
||||
}
|
||||
|
||||
func testNatsClient_Subscribe(t *testing.T, client NatsClient) {
|
||||
dest := make(chan *nats.Msg)
|
||||
sub, err := client.Subscribe("foo", dest)
|
||||
if err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
ch := make(chan bool)
|
||||
|
||||
received := int32(0)
|
||||
max := int32(20)
|
||||
quit := make(chan bool)
|
||||
go func() {
|
||||
for {
|
||||
select {
|
||||
case <-dest:
|
||||
total := atomic.AddInt32(&received, 1)
|
||||
if total == max {
|
||||
err := sub.Unsubscribe()
|
||||
if err != nil {
|
||||
t.Errorf("Unsubscribe failed with err: %s", err)
|
||||
return
|
||||
}
|
||||
ch <- true
|
||||
}
|
||||
case <-quit:
|
||||
return
|
||||
}
|
||||
}
|
||||
}()
|
||||
for i := int32(0); i < max; i++ {
|
||||
if err := client.Publish("foo", []byte("hello")); err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
// Allow NATS goroutines to process messages.
|
||||
time.Sleep(time.Millisecond)
|
||||
}
|
||||
<-ch
|
||||
|
||||
r := atomic.LoadInt32(&received)
|
||||
if r != max {
|
||||
t.Fatalf("Received wrong # of messages: %d vs %d", r, max)
|
||||
}
|
||||
quit <- true
|
||||
}
|
||||
|
||||
func TestNatsClient_Subscribe(t *testing.T) {
|
||||
ensureNoGoroutinesLeak(t, func() {
|
||||
client, shutdown := CreateLocalNatsClientForTest(t)
|
||||
defer shutdown()
|
||||
|
||||
testNatsClient_Subscribe(t, client)
|
||||
})
|
||||
}
|
||||
|
||||
func testNatsClient_PublishAfterClose(t *testing.T, client NatsClient) {
|
||||
client.Close()
|
||||
|
||||
if err := client.Publish("foo", "bar"); err != nats.ErrConnectionClosed {
|
||||
t.Errorf("Expected %v, got %v", nats.ErrConnectionClosed, err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestNatsClient_PublishAfterClose(t *testing.T) {
|
||||
ensureNoGoroutinesLeak(t, func() {
|
||||
client, shutdown := CreateLocalNatsClientForTest(t)
|
||||
defer shutdown()
|
||||
|
||||
testNatsClient_PublishAfterClose(t, client)
|
||||
})
|
||||
}
|
||||
|
||||
func testNatsClient_SubscribeAfterClose(t *testing.T, client NatsClient) {
|
||||
client.Close()
|
||||
|
||||
ch := make(chan *nats.Msg)
|
||||
if _, err := client.Subscribe("foo", ch); err != nats.ErrConnectionClosed {
|
||||
t.Errorf("Expected %v, got %v", nats.ErrConnectionClosed, err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestNatsClient_SubscribeAfterClose(t *testing.T) {
|
||||
ensureNoGoroutinesLeak(t, func() {
|
||||
client, shutdown := CreateLocalNatsClientForTest(t)
|
||||
defer shutdown()
|
||||
|
||||
testNatsClient_SubscribeAfterClose(t, client)
|
||||
})
|
||||
}
|
||||
|
||||
func testNatsClient_BadSubjects(t *testing.T, client NatsClient) {
|
||||
subjects := []string{
|
||||
"foo bar",
|
||||
"foo.",
|
||||
}
|
||||
|
||||
ch := make(chan *nats.Msg)
|
||||
for _, s := range subjects {
|
||||
if _, err := client.Subscribe(s, ch); err != nats.ErrBadSubject {
|
||||
t.Errorf("Expected %v for subject %s, got %v", nats.ErrBadSubject, s, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestNatsClient_BadSubjects(t *testing.T) {
|
||||
ensureNoGoroutinesLeak(t, func() {
|
||||
client, shutdown := CreateLocalNatsClientForTest(t)
|
||||
defer shutdown()
|
||||
|
||||
testNatsClient_BadSubjects(t, client)
|
||||
})
|
||||
}
|
|
@ -191,7 +191,7 @@ func NewTestClient(t *testing.T, server *httptest.Server, hub *Hub) *TestClient
|
|||
}
|
||||
|
||||
messageChan := make(chan []byte)
|
||||
readErrorChan := make(chan error)
|
||||
readErrorChan := make(chan error, 1)
|
||||
|
||||
go func() {
|
||||
for {
|
||||
|
|
57
testutils_test.go
Normal file
57
testutils_test.go
Normal file
|
@ -0,0 +1,57 @@
|
|||
/**
|
||||
* Standalone signaling server for the Nextcloud Spreed app.
|
||||
* Copyright (C) 2021 struktur AG
|
||||
*
|
||||
* @author Joachim Bauch <bauch@struktur.de>
|
||||
*
|
||||
* @license GNU AGPL version 3 or any later version
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
package signaling
|
||||
|
||||
import (
|
||||
"os"
|
||||
"runtime/pprof"
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
|
||||
func ensureNoGoroutinesLeak(t *testing.T, f func()) {
|
||||
// Give time for things to settle before capturing the number of
|
||||
// go routines
|
||||
time.Sleep(500 * time.Millisecond)
|
||||
before := pprof.Lookup("goroutine")
|
||||
|
||||
f()
|
||||
|
||||
var after *pprof.Profile
|
||||
// Give time for things to settle before capturing the number of
|
||||
// go routines
|
||||
timeout := time.Now().Add(time.Second)
|
||||
for time.Now().Before(timeout) {
|
||||
after = pprof.Lookup("goroutine")
|
||||
if after.Count() == before.Count() {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if after.Count() != before.Count() {
|
||||
os.Stderr.WriteString("Before:\n")
|
||||
before.WriteTo(os.Stderr, 1) // nolint
|
||||
os.Stderr.WriteString("After:\n")
|
||||
after.WriteTo(os.Stderr, 1) // nolint
|
||||
t.Fatalf("Number of Go routines has changed in %s", t.Name())
|
||||
}
|
||||
}
|
Loading…
Reference in a new issue