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integration_test.go
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integration_test.go
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package lksdk
import (
"errors"
"math/rand"
"os"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/pion/webrtc/v3"
"github.com/stretchr/testify/require"
"go.uber.org/atomic"
"github.com/livekit/protocol/livekit"
)
// The integration test of the SDK. can't run this test standalone, should be run with `mage test`
const (
host = "ws://localhost:7880"
)
var (
apiKey, apiSecret string
)
func TestMain(m *testing.M) {
keys := strings.Split(os.Getenv("LIVEKIT_KEYS"), ": ")
apiKey, apiSecret = keys[0], keys[1]
os.Exit(m.Run())
}
func createAgent(roomName string, callback *RoomCallback, name string) (*Room, error) {
room, err := ConnectToRoom(host, ConnectInfo{
APIKey: apiKey,
APISecret: apiSecret,
RoomName: roomName,
ParticipantIdentity: name,
}, callback)
if err != nil {
return nil, err
}
return room, nil
}
func pubNullTrack(t *testing.T, room *Room, name string) *LocalTrackPublication {
track, err := NewLocalSampleTrack(webrtc.RTPCodecCapability{
MimeType: webrtc.MimeTypeOpus,
Channels: 2,
ClockRate: 48000,
})
require.NoError(t, err)
provider := &NullSampleProvider{
BytesPerSample: 1000,
SampleDuration: 50 * time.Millisecond,
}
track.OnBind(func() {
if err := track.StartWrite(provider, func() {}); err != nil {
logger.Errorw("Could not start writing", err)
}
})
localPub, err := room.LocalParticipant.PublishTrack(track, &TrackPublicationOptions{
Name: name,
})
require.NoError(t, err)
return localPub
}
func TestJoin(t *testing.T) {
pub, err := createAgent(t.Name(), nil, "publisher")
require.NoError(t, err)
var dataLock sync.Mutex
var receivedData string
audioTrackName := "audio_of_pub1"
var trackLock sync.Mutex
var trackReceived atomic.Bool
subCB := &RoomCallback{
ParticipantCallback: ParticipantCallback{
OnDataReceived: func(data []byte, rp *RemoteParticipant) {
dataLock.Lock()
receivedData = string(data)
dataLock.Unlock()
},
OnTrackSubscribed: func(track *webrtc.TrackRemote, publication *RemoteTrackPublication, rp *RemoteParticipant) {
trackLock.Lock()
trackReceived.Store(true)
require.Equal(t, rp.Name(), pub.LocalParticipant.Name())
require.Equal(t, publication.Name(), audioTrackName)
require.Equal(t, track.Kind(), webrtc.RTPCodecTypeAudio)
trackLock.Unlock()
},
},
}
sub, err := createAgent(t.Name(), subCB, "subscriber")
require.NoError(t, err)
serverInfo := sub.ServerInfo()
require.NotNil(t, serverInfo)
require.Equal(t, serverInfo.Edition, livekit.ServerInfo_Standard)
pub.LocalParticipant.PublishData([]byte("test"), livekit.DataPacket_RELIABLE, nil)
localPub := pubNullTrack(t, pub, audioTrackName)
require.Equal(t, localPub.Name(), audioTrackName)
require.Eventually(t, func() bool { return trackReceived.Load() }, 5*time.Second, 100*time.Millisecond)
require.Eventually(t, func() bool {
dataLock.Lock()
defer dataLock.Unlock()
return receivedData == "test"
}, 5*time.Second, 100*time.Millisecond)
pub.Disconnect()
sub.Disconnect()
}
func TestResume(t *testing.T) {
var reconnected atomic.Bool
pubCB := &RoomCallback{
OnReconnected: func() {
reconnected.Store(true)
},
}
pub, err := createAgent(t.Name(), pubCB, "publisher")
require.NoError(t, err)
// test pub sub after reconnected
audioTrackName := "audio_of_pub1"
var trackLock sync.Mutex
var trackReceived atomic.Bool
subCB := &RoomCallback{
ParticipantCallback: ParticipantCallback{
OnTrackSubscribed: func(track *webrtc.TrackRemote, publication *RemoteTrackPublication, rp *RemoteParticipant) {
trackLock.Lock()
trackReceived.Store(true)
require.Equal(t, rp.Name(), pub.LocalParticipant.Name())
require.Equal(t, publication.Name(), audioTrackName)
require.Equal(t, track.Kind(), webrtc.RTPCodecTypeAudio)
trackLock.Unlock()
},
},
}
sub, err := createAgent(t.Name(), subCB, "subscriber")
require.NoError(t, err)
pub.Simulate(SimulateSignalReconnect)
require.Eventually(t, func() bool { return reconnected.Load() }, 5*time.Second, 100*time.Millisecond)
logger.Infow("reconnected")
localPub := pubNullTrack(t, pub, audioTrackName)
require.Equal(t, localPub.Name(), audioTrackName)
require.Eventually(t, func() bool { return trackReceived.Load() }, 5*time.Second, 100*time.Millisecond)
pub.Disconnect()
sub.Disconnect()
}
// This test case can't pass with CI's environment (docker + embedded turn), will be skipped with CI running
func TestForceTLS(t *testing.T) {
if os.Getenv("CI") != "" {
t.Skip("Skipping in CI environment")
}
var reconnected atomic.Bool
pubCB := &RoomCallback{
OnReconnected: func() {
reconnected.Store(true)
},
}
pub, err := createAgent(t.Name()+"-"+strconv.Itoa(int(rand.Uint32())), pubCB, "publisher")
require.NoError(t, err)
// ensure publisher connected
pub.LocalParticipant.PublishData([]byte("test"), livekit.DataPacket_RELIABLE, nil)
pub.Simulate(SimulateForceTLS)
require.Eventually(t, func() bool { return reconnected.Load() && pub.engine.ensurePublisherConnected(true) == nil }, 15*time.Second, 100*time.Millisecond)
logger.Infow("reconnected")
getSelectedPair := func(pc *webrtc.PeerConnection) (*webrtc.ICECandidatePair, error) {
sctp := pc.SCTP()
if sctp == nil {
return nil, errors.New("no SCTP")
}
dtlsTransport := sctp.Transport()
if dtlsTransport == nil {
return nil, errors.New("no DTLS transport")
}
iceTransport := dtlsTransport.ICETransport()
if iceTransport == nil {
return nil, errors.New("no ICE transport")
}
return iceTransport.GetSelectedCandidatePair()
}
for _, pc := range []*webrtc.PeerConnection{pub.engine.publisher.pc, pub.engine.subscriber.pc} {
pair, err := getSelectedPair(pc)
require.NoError(t, err)
require.NotNil(t, pair)
require.Equal(t, pair.Local.Typ, webrtc.ICECandidateTypeRelay)
}
pub.Disconnect()
}