snapshot of https://github.com/livekit/livekit.git @ 08c5433449c106943231037d0b892895f6e92d3b (2026-09-15)

pkg/rtc/datatrack_test.go

@@ -0,0 +1,71 @@
+// Copyright 2023 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package rtc
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/livekit/livekit-server/pkg/rtc/types/typesfakes"
+	"github.com/livekit/protocol/livekit"
+	"github.com/livekit/protocol/logger"
+	"github.com/livekit/protocol/observability/roomobs"
+)
+
+func newTestDataTrackSubscriber(id livekit.ParticipantID, identity livekit.ParticipantIdentity, isRecorder bool) *typesfakes.FakeLocalParticipant {
+	sub := &typesfakes.FakeLocalParticipant{}
+	sub.IDReturns(id)
+	sub.IdentityReturns(identity)
+	sub.IsRecorderReturns(isRecorder)
+	sub.GetLoggerReturns(logger.GetLogger())
+	sub.GetReporterReturns(roomobs.NewNoopParticipantSessionReporter())
+	sub.GetTelemetryListenerReturns(&typesfakes.FakeParticipantTelemetryListener{})
+	return sub
+}
+
+func TestDataTrackRevokeDisallowedSubscribers(t *testing.T) {
+	dt := NewDataTrack(
+		DataTrackParams{
+			Logger:              logger.GetLogger(),
+			ParticipantID:       func() livekit.ParticipantID { return "pubID" },
+			ParticipantIdentity: "pub",
+		},
+		&livekit.DataTrackInfo{
+			PubHandle: 1,
+			Sid:       "DTR_test",
+			Name:      "test",
+		},
+	)
+	defer dt.Close()
+
+	allowed := newTestDataTrackSubscriber("allowedID", "allowed", false)
+	disallowed := newTestDataTrackSubscriber("disallowedID", "disallowed", false)
+	recorder := newTestDataTrackSubscriber("recorderID", "recorder", true)
+
+	for _, sub := range []*typesfakes.FakeLocalParticipant{allowed, disallowed, recorder} {
+		_, err := dt.AddSubscriber(sub)
+		require.NoError(t, err)
+		require.True(t, dt.IsSubscriber(sub.ID()))
+	}
+
+	revoked := dt.RevokeDisallowedSubscribers([]livekit.ParticipantIdentity{"allowed"})
+	require.Equal(t, []livekit.ParticipantIdentity{"disallowed"}, revoked)
+
+	// disallowed subscriber is removed, allowed and permission exempt (recorder) subscribers are kept
+	require.True(t, dt.IsSubscriber(allowed.ID()))
+	require.False(t, dt.IsSubscriber(disallowed.ID()))
+	require.True(t, dt.IsSubscriber(recorder.ID()))
+}