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| -rw-r--r-- | testing/web-platform/tests/webrtc/RTCPeerConnection-restartIce.https.html | 482 |
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diff --git a/testing/web-platform/tests/webrtc/RTCPeerConnection-restartIce.https.html b/testing/web-platform/tests/webrtc/RTCPeerConnection-restartIce.https.html new file mode 100644 index 0000000000..45a04d3a7a --- /dev/null +++ b/testing/web-platform/tests/webrtc/RTCPeerConnection-restartIce.https.html @@ -0,0 +1,482 @@ +<!doctype html> +<meta charset=utf-8> +<title></title> +<script src=/resources/testharness.js></script> +<script src=/resources/testharnessreport.js></script> +<script src="RTCPeerConnection-helper.js"></script> +<script> +"use strict"; + +function getLines(sdp, startsWith) { + const lines = sdp.split("\r\n").filter(l => l.startsWith(startsWith)); + assert_true(lines.length > 0, `One or more ${startsWith} in sdp`); + return lines; +} + +const getUfrags = ({sdp}) => getLines(sdp, "a=ice-ufrag:"); +const getPwds = ({sdp}) => getLines(sdp, "a=ice-pwd:"); + +const negotiators = [ + { + tag: "", + async setOffer(pc) { + await pc.setLocalDescription(await pc.createOffer()); + }, + async setAnswer(pc) { + await pc.setLocalDescription(await pc.createAnswer()); + }, + }, + { + tag: " (perfect negotiation)", + async setOffer(pc) { + await pc.setLocalDescription(); + }, + async setAnswer(pc) { + await pc.setLocalDescription(); + }, + }, +]; + +async function exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator) { + await negotiator.setOffer(pc1); + await pc2.setRemoteDescription(pc1.localDescription); + await negotiator.setAnswer(pc2); + await pc1.setRemoteDescription(pc2.localDescription); // End on pc1. No race +} + +async function exchangeOfferAnswerEndOnSecond(pc1, pc2, negotiator) { + await negotiator.setOffer(pc1); + await pc2.setRemoteDescription(pc1.localDescription); + await pc1.setRemoteDescription(await pc2.createAnswer()); + await pc2.setLocalDescription(pc1.remoteDescription); // End on pc2. No race +} + +async function assertNoNegotiationNeeded(t, pc, state = "stable") { + assert_equals(pc.signalingState, state, `In ${state} state`); + const event = await Promise.race([ + new Promise(r => pc.onnegotiationneeded = r), + new Promise(r => t.step_timeout(r, 10)) + ]); + assert_equals(event, undefined, "No negotiationneeded event"); +} + +// In Chromium, assert_equals() produces test expectations with the values +// compared. Because ufrags are different on each run, this would make Chromium +// test expectations different on each run on tests that failed when comparing +// ufrags. To work around this problem, assert_ufrags_equals() and +// assert_ufrags_not_equals() should be preferred over assert_equals() and +// assert_not_equals(). +function assert_ufrags_equals(x, y, description) { + assert_true(x === y, description); +} +function assert_ufrags_not_equals(x, y, description) { + assert_false(x === y, description); +} + +promise_test(async t => { + const pc = new RTCPeerConnection(); + pc.close(); + pc.restartIce(); + await assertNoNegotiationNeeded(t, pc, "closed"); +}, "restartIce() has no effect on a closed peer connection"); + +promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.restartIce(); + await assertNoNegotiationNeeded(t, pc1); + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await assertNoNegotiationNeeded(t, pc1); +}, "restartIce() does not trigger negotiation ahead of initial negotiation"); + +// Run remaining tests twice: once for each negotiator + +for (const negotiator of negotiators) { + const {tag} = negotiator; + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + pc1.restartIce(); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() has no effect on initial negotiation${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + pc1.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + }, `restartIce() fires negotiationneeded after initial negotiation${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "control 1"); + assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "control 2"); + + pc1.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + assert_ufrags_equals(getUfrags(pc1.localDescription)[0], newUfrag1, "Unchanged 1"); + assert_ufrags_equals(getUfrags(pc2.localDescription)[0], newUfrag2, "Unchanged 2"); + }, `restartIce() causes fresh ufrags${tag}`); + + promise_test(async t => { + const config = {bundlePolicy: "max-bundle"}; + const pc1 = new RTCPeerConnection(config); + const pc2 = new RTCPeerConnection(config); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.onicecandidate = e => pc2.addIceCandidate(e.candidate); + pc2.onicecandidate = e => pc1.addIceCandidate(e.candidate); + + // See the explanation below about Chrome's onnegotiationneeded firing + // too early. + const negotiationNeededPromise1 = + new Promise(r => pc1.onnegotiationneeded = r); + pc1.addTransceiver("video"); + pc1.addTransceiver("audio"); + await negotiationNeededPromise1; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [videoTc, audioTc] = pc1.getTransceivers(); + const [videoTp, audioTp] = + pc1.getTransceivers().map(tc => tc.sender.transport); + assert_equals(pc1.getTransceivers().length, 2, 'transceiver count'); + + // On Chrome, it is possible (likely, even) that videoTc.sender.transport.state + // will be 'connected' by the time we get here. We'll race 2 promises here: + // 1. Resolve after onstatechange is called with connected state. + // 2. If already connected, resolve immediately. + await Promise.race([ + new Promise(r => videoTc.sender.transport.onstatechange = + () => videoTc.sender.transport.state == "connected" && r()), + new Promise(r => videoTc.sender.transport.state == "connected" && r()) + ]); + assert_equals(videoTc.sender.transport.state, "connected"); + + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + assert_equals(videoTp, pc1.getTransceivers()[0].sender.transport, + 'offer/answer retains dtls transport'); + assert_equals(audioTp, pc1.getTransceivers()[1].sender.transport, + 'offer/answer retains dtls transport'); + + const negotiationNeededPromise2 = + new Promise(r => pc1.onnegotiationneeded = r); + pc1.restartIce(); + await negotiationNeededPromise2; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [newVideoTp, newAudioTp] = + pc1.getTransceivers().map(tc => tc.sender.transport); + assert_equals(videoTp, newVideoTp, 'ice restart retains dtls transport'); + assert_equals(audioTp, newAudioTp, 'ice restart retains dtls transport'); + }, `restartIce() retains dtls transports${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + + await negotiator.setOffer(pc1); + pc1.restartIce(); + await pc2.setRemoteDescription(pc1.localDescription); + await negotiator.setAnswer(pc2); + // Several tests in this file initializes the onnegotiationneeded listener + // before the setLocalDescription() or setRemoteDescription() that we expect + // to trigger negotiation needed. This allows Chrome to exercise these tests + // without timing out due to a bug that causes onnegotiationneeded to fire too + // early. + // TODO(https://crbug.com/985797): Once Chrome does not fire ONN too early, + // simply do "await new Promise(...)" instead of + // "await negotiationNeededPromise" here and in other tests in this file. + const negotiationNeededPromise = + new Promise(r => pc1.onnegotiationneeded = r); + await pc1.setRemoteDescription(pc2.localDescription); + assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "Unchanged 1"); + assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "Unchanged 2"); + await negotiationNeededPromise; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() works in have-local-offer${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await negotiator.setOffer(pc1); + pc1.restartIce(); + await pc2.setRemoteDescription(pc1.localDescription); + await negotiator.setAnswer(pc2); + const negotiationNeededPromise = + new Promise(r => pc1.onnegotiationneeded = r); + await pc1.setRemoteDescription(pc2.localDescription); + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + await negotiationNeededPromise; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() works in initial have-local-offer${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + + await negotiator.setOffer(pc2); + await pc1.setRemoteDescription(pc2.localDescription); + pc1.restartIce(); + await pc2.setRemoteDescription(await pc1.createAnswer()); + const negotiationNeededPromise = + new Promise(r => pc1.onnegotiationneeded = r); + await pc1.setLocalDescription(pc2.remoteDescription); // End on pc1. No race + assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "Unchanged 1"); + assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "Unchanged 2"); + await negotiationNeededPromise; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() works in have-remote-offer${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc2.addTransceiver("audio"); + await negotiator.setOffer(pc2); + await pc1.setRemoteDescription(pc2.localDescription); + pc1.restartIce(); + await pc2.setRemoteDescription(await pc1.createAnswer()); + await pc1.setLocalDescription(pc2.remoteDescription); // End on pc1. No race + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() does nothing in initial have-remote-offer${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + + pc1.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + const negotiationNeededPromise = + new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnSecond(pc2, pc1, negotiator); + assert_ufrags_equals(getUfrags(pc1.localDescription)[0], oldUfrag1, "nothing yet 1"); + assert_ufrags_equals(getUfrags(pc2.localDescription)[0], oldUfrag2, "nothing yet 2"); + await negotiationNeededPromise; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag2, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() survives remote offer${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + + pc1.restartIce(); + pc2.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnSecond(pc2, pc1, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + assert_ufrags_equals(getUfrags(pc1.localDescription)[0], newUfrag1, "Unchanged 1"); + assert_ufrags_equals(getUfrags(pc2.localDescription)[0], newUfrag2, "Unchanged 2"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() is satisfied by remote ICE restart${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + + pc1.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + await pc1.setLocalDescription(await pc1.createOffer({iceRestart: false})); + await pc2.setRemoteDescription(pc1.localDescription); + await negotiator.setAnswer(pc2); + await pc1.setRemoteDescription(pc2.localDescription); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() trumps {iceRestart: false}${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection(); + const pc2 = new RTCPeerConnection(); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const [oldUfrag1] = getUfrags(pc1.localDescription); + const [oldUfrag2] = getUfrags(pc2.localDescription); + + pc1.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + await negotiator.setOffer(pc1); + const negotiationNeededPromise = + new Promise(r => pc1.onnegotiationneeded = r); + await pc1.setLocalDescription({type: "rollback"}); + await negotiationNeededPromise; + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + const [newUfrag1] = getUfrags(pc1.localDescription); + const [newUfrag2] = getUfrags(pc2.localDescription); + assert_ufrags_not_equals(newUfrag1, oldUfrag1, "ufrag 1 changed"); + assert_ufrags_not_equals(newUfrag1, oldUfrag2, "ufrag 2 changed"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() survives rollback${tag}`); + + promise_test(async t => { + const pc1 = new RTCPeerConnection({bundlePolicy: "max-compat"}); + const pc2 = new RTCPeerConnection({bundlePolicy: "max-compat"}); + t.add_cleanup(() => pc1.close()); + t.add_cleanup(() => pc2.close()); + + pc1.addTransceiver("audio"); + pc1.addTransceiver("video"); + await new Promise(r => pc1.onnegotiationneeded = r); + await exchangeOfferAnswerEndOnFirst(pc1, pc2, negotiator); + + const oldUfrags1 = getUfrags(pc1.localDescription); + const oldUfrags2 = getUfrags(pc2.localDescription); + const oldPwds2 = getPwds(pc2.localDescription); + + pc1.restartIce(); + await new Promise(r => pc1.onnegotiationneeded = r); + + // Engineer a partial ICE restart from pc2 + pc2.restartIce(); + await negotiator.setOffer(pc2); + { + let {type, sdp} = pc2.localDescription; + // Restore both old ice-ufrag and old ice-pwd to trigger a partial restart + sdp = sdp.replace(getUfrags({sdp})[0], oldUfrags2[0]); + sdp = sdp.replace(getPwds({sdp})[0], oldPwds2[0]); + const newUfrags2 = getUfrags({sdp}); + const newPwds2 = getPwds({sdp}); + assert_ufrags_equals(newUfrags2[0], oldUfrags2[0], "control ufrag match"); + assert_ufrags_equals(newPwds2[0], oldPwds2[0], "control pwd match"); + assert_ufrags_not_equals(newUfrags2[1], oldUfrags2[1], "control ufrag non-match"); + assert_ufrags_not_equals(newPwds2[1], oldPwds2[1], "control pwd non-match"); + await pc1.setRemoteDescription({type, sdp}); + } + const negotiationNeededPromise = + new Promise(r => pc1.onnegotiationneeded = r); + await negotiator.setAnswer(pc1); + const newUfrags1 = getUfrags(pc1.localDescription); + assert_ufrags_equals(newUfrags1[0], oldUfrags1[0], "Unchanged 1"); + assert_ufrags_not_equals(newUfrags1[1], oldUfrags1[1], "Restarted 2"); + await negotiationNeededPromise; + await negotiator.setOffer(pc1); + const newestUfrags1 = getUfrags(pc1.localDescription); + assert_ufrags_not_equals(newestUfrags1[0], oldUfrags1[0], "Restarted 1"); + assert_ufrags_not_equals(newestUfrags1[1], oldUfrags1[1], "Restarted 2"); + await assertNoNegotiationNeeded(t, pc1); + }, `restartIce() survives remote offer containing partial restart${tag}`); + +} + +</script> |