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Update web-platform-tests to revision 8a2ceb5f18911302b7a5c1cd2791f4ab50ad4326
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Josh Matthews
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5377 changed files with 174916 additions and 84369 deletions
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<!doctype html>
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<meta charset=utf-8>
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<title>RTCPeerConnection.prototype.getStats</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="RTCPeerConnection-helper.js"></script>
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<script src="dictionary-helper.js"></script>
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<script src="RTCStats-helper.js"></script>
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<script>
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'use strict';
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// Test is based on the following editor draft:
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// https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html
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// https://w3c.github.io/webrtc-stats/archives/20170614/webrtc-stats.html
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// The following helper function is called from RTCPeerConnection-helper.js
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// getTrackFromUserMedia
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// The following helper function is called from RTCStats-helper.js
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// validateStatsReport
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// assert_stats_report_has_stats
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/*
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8.2. RTCPeerConnection Interface Extensions
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partial interface RTCPeerConnection {
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Promise<RTCStatsReport> getStats(optional MediaStreamTrack? selector = null);
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};
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8.3. RTCStatsReport Object
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interface RTCStatsReport {
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readonly maplike<DOMString, object>;
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};
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8.4. RTCStats Dictionary
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dictionary RTCStats {
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DOMHighResTimeStamp timestamp;
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RTCStatsType type;
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DOMString id;
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};
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id
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Two RTCStats objects, extracted from two different RTCStatsReport objects, MUST
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have the same id if they were produced by inspecting the same underlying object.
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8.2. getStats
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1. Let selectorArg be the method's first argument.
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2. Let connection be the RTCPeerConnection object on which the method was invoked.
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3. If selectorArg is neither null nor a valid MediaStreamTrack, return a promise
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rejected with a newly created TypeError.
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5. Let p be a new promise.
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6. Run the following steps in parallel:
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1. Gather the stats indicated by selector according to the stats selection algorithm.
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2. Resolve p with the resulting RTCStatsReport object, containing the gathered stats.
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*/
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promise_test(() => {
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const pc = new RTCPeerConnection();
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return pc.getStats();
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}, 'getStats() with no argument should succeed');
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promise_test(() => {
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const pc = new RTCPeerConnection();
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return pc.getStats(null);
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}, 'getStats(null) should succeed');
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/*
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8.2. getStats
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4. Let selector be a RTCRtpSender or RTCRtpReceiver on connection which track
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member matches selectorArg. If no such sender or receiver exists, return a promise
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rejected with a newly created InvalidAccessError.
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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return getTrackFromUserMedia('audio')
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.then(([track, mediaStream]) => {
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return promise_rejects(t, 'InvalidAccessError', pc.getStats(track));
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});
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}, 'getStats() with track not added to connection should reject with InvalidAccessError');
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promise_test(t => {
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const pc = new RTCPeerConnection();
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return getTrackFromUserMedia('audio')
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.then(([track, mediaStream]) => {
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pc.addTrack(track, mediaStream);
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return pc.getStats(track);
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});
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}, 'getStats() with track added via addTrack should succeed');
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promise_test(t => {
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const pc = new RTCPeerConnection();
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const track = generateMediaStreamTrack();
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pc.addTransceiver(track);
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return pc.getStats(track);
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}, 'getStats() with track added via addTransceiver should succeed');
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/*
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8.2. getStats
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4. Let selector be a RTCRtpSender or RTCRtpReceiver on connection which track
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member matches selectorArg. If more than one sender or receiver fit this criteria,
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return a promise rejected with a newly created InvalidAccessError.
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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return getTrackFromUserMedia('audio')
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.then(([track, mediaStream]) => {
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// addTransceiver allows adding same track multiple times
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const transceiver1 = pc.addTransceiver(track);
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const transceiver2 = pc.addTransceiver(track);
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assert_not_equals(transceiver1, transceiver2);
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assert_not_equals(transceiver1.sender, transceiver2.sender);
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assert_equals(transceiver1.sender.track, transceiver2.sender.track);
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return promise_rejects(t, 'InvalidAccessError', pc.getStats(track));
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});
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}, `getStats() with track associated with more than one sender should reject with InvalidAccessError`);
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promise_test(t => {
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const pc = new RTCPeerConnection();
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const transceiver1 = pc.addTransceiver('audio');
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// Create another transceiver that resends what
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// is being received, kind of like echo
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const transceiver2 = pc.addTransceiver(transceiver1.receiver.track);
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assert_equals(transceiver1.receiver.track, transceiver2.sender.track);
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return promise_rejects(t, 'InvalidAccessError', pc.getStats(transceiver1.receiver.track));
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}, 'getStats() with track associated with both sender and receiver should reject with InvalidAccessError');
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/*
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8.5. The stats selection algorithm
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2. If selector is null, gather stats for the whole connection, add them to result,
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return result, and abort these steps.
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*/
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promise_test(t => {
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const pc = new RTCPeerConnection();
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return pc.getStats()
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.then(statsReport => {
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validateStatsReport(statsReport);
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assert_stats_report_has_stats(statsReport, ['peer-connection']);
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});
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}, 'getStats() with no argument should return stats report containing peer-connection stats');
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/*
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8.5. The stats selection algorithm
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3. If selector is an RTCRtpSender, gather stats for and add the following objects
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to result:
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- All RTCOutboundRTPStreamStats objects corresponding to selector.
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- All stats objects referenced directly or indirectly by the RTCOutboundRTPStreamStats
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objects added.
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*/
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promise_test(() => {
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const pc = new RTCPeerConnection();
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return getTrackFromUserMedia('audio')
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.then(([track, mediaStream]) => {
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pc.addTrack(track, mediaStream);
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return pc.getStats(track)
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.then(statsReport => {
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validateStatsReport(statsReport);
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assert_stats_report_has_stats(statsReport, ['outbound-rtp']);
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});
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});
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}, `getStats() on track associated with RtpSender should return stats report containing outbound-rtp stats`);
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/*
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8.5. The stats selection algorithm
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4. If selector is an RTCRtpReceiver, gather stats for and add the following objects
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to result:
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- All RTCInboundRTPStreamStats objects corresponding to selector.
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- All stats objects referenced directly or indirectly by the RTCInboundRTPStreamStats
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added.
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*/
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promise_test(() => {
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const pc = new RTCPeerConnection();
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const transceiver = pc.addTransceiver('audio');
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return pc.getStats(transceiver.receiver.track)
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.then(statsReport => {
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validateStatsReport(statsReport);
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assert_stats_report_has_stats(statsReport, ['inbound-rtp']);
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});
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}, `getStats() on track associated with RtpReceiver should return stats report containing inbound-rtp stats`);
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</script>
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