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Bug 1864845 [wpt PR 43171] - Add test for w3c/webrtc-pc#2687, a=testonly

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Automatic update from web-platform-tests
Add test for w3c/webrtc-pc#2687 (#43171)

* Add test for w3c/webrtc-pc#2687

Check that a new data channel to an unbundling endpoint makes the caller connectionState go through 'connecting'

* Fix lint
--

wpt-commits: ade2b4b05020a2a1d4c0504f343571fb86d12668
wpt-pr: 43171
This commit is contained in:
Dominique Hazael-Massieux 2023-12-13 00:59:50 +00:00 committed by moz-wptsync-bot
parent e20719a33f
commit 0684b4cc11
1 changed files with 44 additions and 0 deletions
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44
testing/web-platform/tests/webrtc/RTCPeerConnection-connectionState.https.html
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@ -271,6 +271,50 @@
assert_array_equals(states, ['connecting', 'connected']);
}, 'connectionState transitions to connected via connecting');
// Make the callee act as if not bundle-aware
async function exchangeOfferAnswerUnbundled(caller, callee) {
const offer = await caller.createOffer();
const sdp = offer.sdp.replace('BUNDLE', 'SOMETHING')
.replace(/rtp-hdrext:sdes/g, 'rtp-hdrext:something')
.replace(/a=ssrc:/g, 'a=notssrc');
await caller.setLocalDescription(offer);
await callee.setRemoteDescription({type: 'offer', sdp});
await exchangeAnswer(caller, callee);
}
promise_test(async t => {
const pc1 = new RTCPeerConnection({bundlePolicy: 'max-compat'});
t.add_cleanup(() => pc1.close());
const pc2 = new RTCPeerConnection();
t.add_cleanup(() => pc2.close());
const stream = await getNoiseStream({ audio: true });
t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
stream.getTracks().forEach(track => pc1.addTrack(track, stream));
exchangeIceCandidates(pc1, pc2);
exchangeOfferAnswerUnbundled(pc1, pc2);
await listenToConnected(pc1);
// https://github.com/w3c/webrtc-pc/issues/2678#issuecomment-948554126
let had_intermediary_connecting = false
let channel;
const onConnectionStateChange = t.step_func(() => {
const {connectionState, iceConnectionState} = pc1;
if (connectionState === 'connecting') {
had_intermediary_connecting = true;
}
});
pc1.addEventListener('connectionstatechange', onConnectionStateChange);
channel = pc1.createDataChannel('test');
await exchangeOfferAnswer(pc1, pc2);
await listenToConnected(pc1);
assert_true(had_intermediary_connecting, "state should re-pass connecting before reaching connected");
}, 'when adding a datachannel to an existing unbundled connected PC, it should go through a connecting state');
promise_test(async t => {
const pc1 = new RTCPeerConnection();
t.add_cleanup(() => pc1.close());