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RTCRtpSender-transport.https.html
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RTCRtpSender-transport.https.html
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<!doctype html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>RTCRtpSender.transport</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="dictionary-helper.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>
'use strict';
// Spec link: http://w3c.github.io/webrtc-pc/#dom-rtcrtpsender-transport
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const stream = await getNoiseStream({audio: true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const [track] = stream.getTracks();
const sender = caller.addTrack(track);
assert_equals(sender.transport, null);
}, 'RTCRtpSender.transport is null when unconnected');
// Test for the simple/happy path of connecting a single track
promise_test(async t => {
const caller = new RTCPeerConnection();
t.add_cleanup(() => caller.close());
const stream = await getNoiseStream({audio: true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const [track] = stream.getTracks();
const sender = caller.addTrack(track);
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
exchangeIceCandidates(caller, callee);
await exchangeOfferAndListenToOntrack(t, caller, callee);
assert_not_equals(sender.transport, null);
const [transceiver] = caller.getTransceivers();
assert_equals(transceiver.sender.transport,
transceiver.receiver.transport);
assert_not_equals(sender.transport.iceTransport, null);
}, 'RTCRtpSender/receiver.transport has a value when connected');
// Test with multiple tracks, and checking details of when things show up
// for different bundle policies.
for (let bundle_policy of ['balanced', 'max-bundle', 'max-compat']) {
promise_test(async t => {
const caller = new RTCPeerConnection({bundlePolicy: bundle_policy});
t.add_cleanup(() => caller.close());
const stream = await getNoiseStream(
{audio: true, video:true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const [track1, track2] = stream.getTracks();
const sender1 = caller.addTrack(track1);
const sender2 = caller.addTrack(track2);
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
exchangeIceCandidates(caller, callee);
const offer = await caller.createOffer();
assert_equals(sender1.transport, null);
assert_equals(sender2.transport, null);
await caller.setLocalDescription(offer);
assert_not_equals(sender1.transport, null);
assert_not_equals(sender2.transport, null);
const [caller_transceiver1, caller_transceiver2] = caller.getTransceivers();
assert_equals(sender1.transport, caller_transceiver1.sender.transport);
if (bundle_policy == 'max-bundle') {
assert_equals(caller_transceiver1.sender.transport,
caller_transceiver2.sender.transport);
} else {
assert_not_equals(caller_transceiver1.sender.transport,
caller_transceiver2.sender.transport);
}
await callee.setRemoteDescription(offer);
const [callee_transceiver1, callee_transceiver2] = callee.getTransceivers();
// According to spec, setRemoteDescription only updates the transports
// if the remote description is an answer.
assert_equals(callee_transceiver1.receiver.transport, null);
assert_equals(callee_transceiver2.receiver.transport, null);
const answer = await callee.createAnswer();
await callee.setLocalDescription(answer);
assert_not_equals(callee_transceiver1.receiver.transport, null);
assert_not_equals(callee_transceiver2.receiver.transport, null);
// At this point, bundle should have kicked in.
assert_equals(callee_transceiver1.receiver.transport,
callee_transceiver2.receiver.transport);
await caller.setRemoteDescription(answer);
assert_equals(caller_transceiver1.receiver.transport,
caller_transceiver2.receiver.transport);
}, 'RTCRtpSender/receiver.transport at the right time, with bundle policy ' + bundle_policy);
// Do the same test again, with DataChannel in the mix.
promise_test(async t => {
const caller = new RTCPeerConnection({bundlePolicy: bundle_policy});
t.add_cleanup(() => caller.close());
const stream = await getNoiseStream(
{audio: true, video:true});
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
const [track1, track2] = stream.getTracks();
const sender1 = caller.addTrack(track1);
const sender2 = caller.addTrack(track2);
caller.createDataChannel('datachannel');
const callee = new RTCPeerConnection();
t.add_cleanup(() => callee.close());
exchangeIceCandidates(caller, callee);
const offer = await caller.createOffer();
assert_equals(sender1.transport, null);
assert_equals(sender2.transport, null);
if (caller.sctp) {
assert_equals(caller.sctp.transport, null);
}
await caller.setLocalDescription(offer);
assert_not_equals(sender1.transport, null);
assert_not_equals(sender2.transport, null);
assert_not_equals(caller.sctp.transport, null);
const [caller_transceiver1, caller_transceiver2] = caller.getTransceivers();
assert_equals(sender1.transport, caller_transceiver1.sender.transport);
if (bundle_policy == 'max-bundle') {
assert_equals(caller_transceiver1.sender.transport,
caller_transceiver2.sender.transport);
assert_equals(caller_transceiver1.sender.transport,
caller.sctp.transport);
} else {
assert_not_equals(caller_transceiver1.sender.transport,
caller_transceiver2.sender.transport);
assert_not_equals(caller_transceiver1.sender.transport,
caller.sctp.transport);
}
await callee.setRemoteDescription(offer);
const [callee_transceiver1, callee_transceiver2] = callee.getTransceivers();
// According to spec, setRemoteDescription only updates the transports
// if the remote description is an answer.
assert_equals(callee_transceiver1.receiver.transport, null);
assert_equals(callee_transceiver2.receiver.transport, null);
const answer = await callee.createAnswer();
await callee.setLocalDescription(answer);
assert_not_equals(callee_transceiver1.receiver.transport, null);
assert_not_equals(callee_transceiver2.receiver.transport, null);
assert_not_equals(callee.sctp.transport, null);
// At this point, bundle should have kicked in.
assert_equals(callee_transceiver1.receiver.transport,
callee_transceiver2.receiver.transport);
assert_equals(callee_transceiver1.receiver.transport,
callee.sctp.transport,
'Callee SCTP transport does not match:');
await caller.setRemoteDescription(answer);
assert_equals(caller_transceiver1.receiver.transport,
caller_transceiver2.receiver.transport);
assert_equals(caller_transceiver1.receiver.transport,
caller.sctp.transport,
'Caller SCTP transport does not match:');
}, 'RTCRtpSender/receiver/SCTP transport at the right time, with bundle policy ' + bundle_policy);
}
</script>