tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_caching.html (2338B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4  <title>Service worker performance test: caching</title>
      5 </head>
      6 <script src="/tests/SimpleTest/SimpleTest.js"></script>
      7 <script src="../utils.js"></script>
      8 <script src="perfutils.js"></script>
      9 <script>
     10 
     11  "use strict";
     12 
     13  const NO_CACHE = "No cache";
     14  const CACHED = "Cached";
     15  const NO_CACHE_AGAIN = "No cache again";
     16 
     17  var journal = {};
     18  journal[NO_CACHE] = [];
     19  journal[CACHED] = [];
     20  journal[NO_CACHE_AGAIN] = [];
     21 
     22  const ITERATIONS = 10;
     23 
     24  var perfMetadata = {
     25    owner: "DOM LWS",
     26    name: "Service Worker Caching",
     27    description: "Test service worker caching.",
     28    options: {
     29      default: {
     30        perfherder: true,
     31        perfherder_metrics: [
     32          // Here, we can't use the constants defined above because perfherder
     33          // grabs data from the parse tree.
     34          { name: "No cache", unit: "ms", shouldAlert: true },
     35          { name: "Cached", unit: "ms", shouldAlert: true },
     36          { name: "No cache again", unit: "ms", shouldAlert: true },
     37        ],
     38        verbose: true,
     39        manifest: "perftest.toml",
     40        manifest_flavor: "plain",
     41      },
     42    },
     43  };
     44 
     45  add_task(async () => {
     46    await SpecialPowers.pushPrefEnv({
     47      set: [["dom.serviceWorkers.testing.enabled", true]]
     48    });
     49  });
     50 
     51  function create_iframe(url) {
     52    return new Promise(function(res) {
     53      let iframe = document.createElement("iframe");
     54      iframe.src = url;
     55      iframe.onload = function() { res(iframe) }
     56      document.body.appendChild(iframe);
     57    });
     58  }
     59 
     60  async function time_fetch(journal, iframe, filename) {
     61    for (let i = 0; i < ITERATIONS; i++) {
     62      let result = await iframe.contentWindow.time_fetch(filename);
     63      is(result.status, 200);
     64      is(result.data, filename);
     65      journal.push(result.elapsed_ms);
     66    }
     67  }
     68 
     69  add_task(async () => {
     70    let reg = await navigator.serviceWorker.register("sw_cacher.js");
     71    await waitForState(reg.installing, "activated");
     72 
     73    let iframe = await create_iframe("time_fetch.html");
     74 
     75    await time_fetch(journal[NO_CACHE], iframe, "uncached.txt");
     76    await time_fetch(journal[CACHED], iframe, "cached.txt");
     77    await time_fetch(journal[NO_CACHE_AGAIN], iframe, "uncached.txt");
     78 
     79    await reg.unregister();
     80  });
     81 
     82  add_task(() => {
     83    reportMetrics(journal);
     84  });
     85 
     86 </script>
     87 <body>
     88 </body>
     89 </html>