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Test Info:
<!DOCTYPE HTML>
<html>
<head>
<title>Service worker performance test: caching</title>
</head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="../utils.js"></script>
<script src="perfutils.js"></script>
<script>
"use strict";
const NO_CACHE = "No cache";
const CACHED = "Cached";
const NO_CACHE_AGAIN = "No cache again";
var journal = {};
journal[NO_CACHE] = [];
journal[CACHED] = [];
journal[NO_CACHE_AGAIN] = [];
const ITERATIONS = 10;
var perfMetadata = {
owner: "DOM LWS",
name: "Service Worker Caching",
description: "Test service worker caching.",
options: {
default: {
perfherder: true,
perfherder_metrics: [
// Here, we can't use the constants defined above because perfherder
// grabs data from the parse tree.
{ name: "No cache", unit: "ms", shouldAlert: true },
{ name: "Cached", unit: "ms", shouldAlert: true },
{ name: "No cache again", unit: "ms", shouldAlert: true },
],
verbose: true,
manifest: "perftest.toml",
manifest_flavor: "plain",
},
},
};
add_task(async () => {
await SpecialPowers.pushPrefEnv({
set: [["dom.serviceWorkers.testing.enabled", true]]
});
});
function create_iframe(url) {
return new Promise(function(res) {
let iframe = document.createElement("iframe");
iframe.src = url;
iframe.onload = function() { res(iframe) }
document.body.appendChild(iframe);
});
}
async function time_fetch(journal, iframe, filename) {
for (let i = 0; i < ITERATIONS; i++) {
let result = await iframe.contentWindow.time_fetch(filename);
is(result.status, 200);
is(result.data, filename);
journal.push(result.elapsed_ms);
}
}
add_task(async () => {
let reg = await navigator.serviceWorker.register("sw_cacher.js");
await waitForState(reg.installing, "activated");
let iframe = await create_iframe("time_fetch.html");
await time_fetch(journal[NO_CACHE], iframe, "uncached.txt");
await time_fetch(journal[CACHED], iframe, "cached.txt");
await time_fetch(journal[NO_CACHE_AGAIN], iframe, "uncached.txt");
await reg.unregister();
});
add_task(() => {
reportMetrics(journal);
});
</script>
<body>
</body>
</html>