dom/media/webvtt/test/mochitest/test_webvtt_resistfingerprinting.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset='utf-8'>
   5   <title>WebVTT: ResistFingerprinting</title>
   6   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   8 </head>
   9 <body>
  10 <div id="content">
  11 </div>
  12 <template id="video">
  13   <video width="600" height="400" controls onloadeddata="handleOnLoadedData()">
  14     <source src="gizmo.mp4" type="video/mp4">
  15     <track label="VTT1" kind="subtitles" srclang="en" src="basicvtt-server.sjs?request=vtt&id=test_webvtt_resistfingerprinting.html" />
  16     <track label="VTT2" kind="subtitles" srclang="es" src="basicvtt-server.sjs?request=vtt&id=test_webvtt_resistfingerprinting.html" />
  17     <track label="VTT3" kind="subtitles" srclang="tr" src="basicvtt-server.sjs?request=vtt&id=test_webvtt_resistfingerprinting.html" default />
  18   </video>
  19 </template>
  20 <script class="testbody" type="text/javascript">
  21 SimpleTest.waitForExplicitFinish();
  22 SimpleTest.requestFlakyTimeout("Need to wait for all VTT files to be loaded");
  23
  24 let iteration = "0";
  25 async function startTest() {
  26   await SpecialPowers.pushPrefEnv({
  27     "set": [
  28       ["privacy.resistFingerprinting", true]
  29     ]
  30   });
  31
  32   iteration = await fetch("basicvtt-server.sjs?request=newIteration")
  33     .then(response => response.text());
  34
  35   const video = document.getElementById("video").content.cloneNode(true);
  36   video.querySelectorAll("track").forEach(track => {
  37     track.src = track.src + iteration;
  38   });
  39   document.getElementById("content").appendChild(video);
  40 }
  41
  42 async function handleOnLoadedData() {
  43   // Wait for 5 minutes at most
  44   for (let i = 0; i < 5 * 60; i++) {
  45     const shouldEnd = await fetch("basicvtt-server.sjs?request=count&id=test_webvtt_resistfingerprinting.html" + iteration)
  46       .then(response => response.text())
  47       .then(text => {
  48         info("Number of VTT files loaded: " + text);
  49         const num = +text;
  50         if (num === 3) {
  51           ok(true, "All VTT files are loaded");
  52           return true
  53         }
  54         if (num > 3) {
  55           ok(false, "Too many VTT files are loaded");
  56           return true;
  57         }
  58         return false;
  59       }).catch(error => {
  60         ok(false, "Failed to fetch count: " + error);
  61         return true;
  62       });
  63     if (shouldEnd) {
  64       break;
  65     }
  66     await new Promise(resolve => setTimeout(resolve, 1000));
  67   }
  68
  69   await SpecialPowers.popPrefEnv();
  70   SimpleTest.finish();
  71 }
  72
  73 onload = startTest;
  74 </script>
  75 </body>
  76 </html>