RemoteVideoTrackTest.kt
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package io.livekit.android.room.track
import io.livekit.android.BaseTest
import io.livekit.android.events.EventCollector
import io.livekit.android.events.TrackEvent
import io.livekit.android.mock.MockVideoStreamTrack
import io.livekit.android.room.track.video.VideoSinkVisibility
import kotlinx.coroutines.ExperimentalCoroutinesApi
import org.junit.Assert
import org.junit.Before
import org.junit.Test
import org.webrtc.VideoFrame
import org.webrtc.VideoSink
@OptIn(ExperimentalCoroutinesApi::class)
class RemoteVideoTrackTest : BaseTest() {
lateinit var track: RemoteVideoTrack
@Before
fun setup() {
track = RemoteVideoTrack(
name = "track",
rtcTrack = MockVideoStreamTrack(),
autoManageVideo = true,
dispatcher = coroutineRule.dispatcher
)
}
@Test
fun defaultVisibility() = runTest {
Assert.assertFalse(track.lastVisibility)
Assert.assertEquals(Track.Dimensions(0, 0), track.lastDimensions)
}
@Test
fun addVisibility() = runTest {
val visible = true
val size = Track.Dimensions(100, 100)
val visibility = CustomVisibility(visible = visible, size = size)
val eventCollector = EventCollector(track.events, coroutineRule.scope)
track.addRenderer(EmptyVideoSink(), visibility)
val events = eventCollector.stopCollecting()
Assert.assertEquals(2, events.size)
val visibilityEvent = events.first { it is TrackEvent.VisibilityChanged } as TrackEvent.VisibilityChanged
val sizeEvent = events.first { it is TrackEvent.VideoDimensionsChanged } as TrackEvent.VideoDimensionsChanged
Assert.assertEquals(visible, visibilityEvent.isVisible)
Assert.assertEquals(size, sizeEvent.newDimensions)
}
@Test
fun removeVisibility() = runTest {
val sink = EmptyVideoSink()
val visibility = CustomVisibility(visible = true, size = Track.Dimensions(100, 100))
track.addRenderer(sink, visibility)
val eventCollector = EventCollector(track.events, coroutineRule.scope)
track.removeRenderer(sink)
val events = eventCollector.stopCollecting()
Assert.assertEquals(2, events.size)
val visibilityEvent = events.first { it is TrackEvent.VisibilityChanged } as TrackEvent.VisibilityChanged
val sizeEvent = events.first { it is TrackEvent.VideoDimensionsChanged } as TrackEvent.VideoDimensionsChanged
Assert.assertEquals(false, visibilityEvent.isVisible)
Assert.assertEquals(Track.Dimensions(0, 0), sizeEvent.newDimensions)
}
@Test
fun changeVisibility() = runTest {
val visibility = CustomVisibility(visible = true, size = Track.Dimensions(100, 100))
track.addRenderer(EmptyVideoSink(), visibility)
val visible = false
val size = Track.Dimensions(200, 200)
val eventCollector = EventCollector(track.events, coroutineRule.scope)
visibility.visible = visible
visibility.size = size
val events = eventCollector.stopCollecting()
Assert.assertEquals(2, events.size)
val visibilityEvent = events.first { it is TrackEvent.VisibilityChanged } as TrackEvent.VisibilityChanged
val sizeEvent = events.first { it is TrackEvent.VideoDimensionsChanged } as TrackEvent.VideoDimensionsChanged
Assert.assertEquals(visible, visibilityEvent.isVisible)
Assert.assertEquals(size, sizeEvent.newDimensions)
}
@Test
fun multipleVisibility() = runTest {
val visible = true
val size = Track.Dimensions(100, 100)
val hiddenVisibility = CustomVisibility(visible = false, size = Track.Dimensions(0, 0))
val visibility = CustomVisibility(visible = visible, size = size)
track.addRenderer(EmptyVideoSink(), hiddenVisibility)
val eventCollector = EventCollector(track.events, coroutineRule.scope)
track.addRenderer(EmptyVideoSink(), visibility)
val events = eventCollector.stopCollecting()
// Make sure we're grabbing the max of visibility and dimensions
Assert.assertEquals(2, events.size)
val visibilityEvent = events.first { it is TrackEvent.VisibilityChanged } as TrackEvent.VisibilityChanged
val sizeEvent = events.first { it is TrackEvent.VideoDimensionsChanged } as TrackEvent.VideoDimensionsChanged
Assert.assertEquals(visible, visibilityEvent.isVisible)
Assert.assertEquals(size, sizeEvent.newDimensions)
}
}
private class EmptyVideoSink : VideoSink {
override fun onFrame(p0: VideoFrame?) {
}
}
private class CustomVisibility(
visible: Boolean = false,
size: Track.Dimensions = Track.Dimensions(0, 0)
) : VideoSinkVisibility() {
var visible = visible
set(value) {
field = value
notifyChanged()
}
var size = size
set(value) {
field = value
notifyChanged()
}
override fun isVisible() = visible
override fun size() = size
}