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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<meta charset='utf-8'>
<title>WebVTT: ResistFingerprinting</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<div id="content">
</div>
<template id="video">
<video width="600" height="400" controls onloadeddata="handleOnLoadedData()">
<source src="gizmo.mp4" type="video/mp4">
<track label="VTT1" kind="subtitles" srclang="en" src="basicvtt-server.sjs?request=vtt&id=test_webvtt_resistfingerprinting.html" />
<track label="VTT2" kind="subtitles" srclang="es" src="basicvtt-server.sjs?request=vtt&id=test_webvtt_resistfingerprinting.html" />
<track label="VTT3" kind="subtitles" srclang="tr" src="basicvtt-server.sjs?request=vtt&id=test_webvtt_resistfingerprinting.html" default />
</video>
</template>
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
SimpleTest.requestFlakyTimeout("Need to wait for all VTT files to be loaded");
let iteration = "0";
async function startTest() {
await SpecialPowers.pushPrefEnv({
"set": [
["privacy.resistFingerprinting", true]
]
});
iteration = await fetch("basicvtt-server.sjs?request=newIteration")
.then(response => response.text());
const video = document.getElementById("video").content.cloneNode(true);
video.querySelectorAll("track").forEach(track => {
track.src = track.src + iteration;
});
document.getElementById("content").appendChild(video);
}
async function handleOnLoadedData() {
// Wait for 5 minutes at most
for (let i = 0; i < 5 * 60; i++) {
const shouldEnd = await fetch("basicvtt-server.sjs?request=count&id=test_webvtt_resistfingerprinting.html" + iteration)
.then(response => response.text())
.then(text => {
info("Number of VTT files loaded: " + text);
const num = +text;
if (num === 3) {
ok(true, "All VTT files are loaded");
return true
}
if (num > 3) {
ok(false, "Too many VTT files are loaded");
return true;
}
return false;
}).catch(error => {
ok(false, "Failed to fetch count: " + error);
return true;
});
if (shouldEnd) {
break;
}
await new Promise(resolve => setTimeout(resolve, 1000));
}
await SpecialPowers.popPrefEnv();
SimpleTest.finish();
}
onload = startTest;
</script>
</body>
</html>