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<!doctype html>
<meta charset=utf-8>
<title>onaddstream tests</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src=/resources/testdriver.js></script>
<script src=/resources/testdriver-vendor.js></script>
<script src='/mediacapture-streams/permission-helper.js'></script>
<script>
'use strict';
const stopTracks = (...streams) => {
streams.forEach(stream => stream.getTracks().forEach(track => track.stop()));
};
const collectEvents = (target, name, check) => {
const events = [];
const handler = e => {
check(e);
events.push(e);
};
target.addEventListener(name, handler);
const finishCollecting = () => {
target.removeEventListener(name, handler);
return events;
};
return {finish: finishCollecting};
};
const collectAddTrackEvents = stream => {
const checkEvent = e => {
assert_true(e.track instanceof MediaStreamTrack, "Track is set on event");
assert_true(stream.getTracks().includes(e.track),
"track in addtrack event is in the stream");
};
return collectEvents(stream, "addtrack", checkEvent);
};
const collectRemoveTrackEvents = stream => {
const checkEvent = e => {
assert_true(e.track instanceof MediaStreamTrack, "Track is set on event");
assert_true(!stream.getTracks().includes(e.track),
"track in removetrack event is not in the stream");
};
return collectEvents(stream, "removetrack", checkEvent);
};
const collectTrackEvents = pc => {
const checkEvent = e => {
assert_true(e.track instanceof MediaStreamTrack, "Track is set on event");
assert_true(e.receiver instanceof RTCRtpReceiver, "Receiver is set on event");
assert_true(e.transceiver instanceof RTCRtpTransceiver, "Transceiver is set on event");
assert_true(Array.isArray(e.streams), "Streams is set on event");
e.streams.forEach(stream => {
assert_true(stream.getTracks().includes(e.track),
"Each stream in event contains the track");
});
assert_equals(e.receiver, e.transceiver.receiver,
"Receiver belongs to transceiver");
assert_equals(e.track, e.receiver.track,
"Track belongs to receiver");
};
return collectEvents(pc, "track", checkEvent);
};
// comparable() - produces copy of object that is JSON comparable.
// o = original object (required)
// t = template of what to examine. Useful if o is non-enumerable (optional)
const comparable = (o, t = o) => {
if (typeof o != 'object' || !o) {
return o;
}
if (Array.isArray(t) && Array.isArray(o)) {
return o.map((n, i) => comparable(n, t[i]));
}
return Object.keys(t).sort()
.reduce((r, key) => (r[key] = comparable(o[key], t[key]), r), {});
};
const stripKeyQuotes = s => s.replace(/"(\w+)":/g, "$1:");
const hasProps = (observed, expected) => {
const observable = comparable(observed, expected);
assert_equals(stripKeyQuotes(JSON.stringify(observable)),
stripKeyQuotes(JSON.stringify(comparable(expected))));
};
promise_test(async t => {
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());
await setMediaPermission();
const stream1 = await navigator.mediaDevices.getUserMedia({audio: true, video: true});
t.add_cleanup(() => stopTracks(stream1));
const audio1 = stream1.getAudioTracks()[0];
pc1.addTrack(audio1, stream1);
const video1 = stream1.getVideoTracks()[0];
pc1.addTrack(video1, stream1);
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc2.close());
const stream2 = await navigator.mediaDevices.getUserMedia({audio: true, video: true});
t.add_cleanup(() => stopTracks(stream2));
const audio2 = stream2.getAudioTracks()[0];
pc2.addTrack(audio2, stream2);
const video2 = stream2.getVideoTracks()[0];
pc2.addTrack(video2, stream2);
const offer = await pc1.createOffer();
let trackEventCollector = collectTrackEvents(pc2);
let addstreamEventCollector = collectEvents(pc2, "addstream", e => {
hasProps(e, {stream: {id: stream1.id}});
assert_equals(e.stream.getAudioTracks().length, 1, "One audio track");
assert_equals(e.stream.getVideoTracks().length, 1, "One video track");
});
await pc2.setRemoteDescription(offer);
let addstreamEvents = addstreamEventCollector.finish();
assert_equals(addstreamEvents.length, 1, "Should have 1 addstream event");
let trackEvents = trackEventCollector.finish();
hasProps(trackEvents,
[
{streams: [addstreamEvents[0].stream]},
{streams: [addstreamEvents[0].stream]}
]);
await pc1.setLocalDescription(offer);
const answer = await pc2.createAnswer();
trackEventCollector = collectTrackEvents(pc1);
addstreamEventCollector = collectEvents(pc1, "addstream", e => {
hasProps(e, {stream: {id: stream2.id}});
assert_equals(e.stream.getAudioTracks().length, 1, "One audio track");
assert_equals(e.stream.getVideoTracks().length, 1, "One video track");
});
await pc1.setRemoteDescription(answer);
addstreamEvents = addstreamEventCollector.finish();
assert_equals(addstreamEvents.length, 1, "Should have 1 addstream event");
trackEvents = trackEventCollector.finish();
hasProps(trackEvents,
[
{streams: [addstreamEvents[0].stream]},
{streams: [addstreamEvents[0].stream]}
]);
},"Check onaddstream");
</script>
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