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<!DOCTYPE HTML>
<html>
<head>
<title>Service worker performance test: fetch</title>
</head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="../utils.js"></script>
<script src="perfutils.js"></script>
<script>
"use strict";
const COLD_FETCH = "Cold fetch";
const UNDISTURBED_FETCH = "Undisturbed fetch";
const INTERCEPTED_FETCH = "Intercepted fetch";
const LIBERATED_FETCH = "Liberated fetch";
const UNDISTURBED_XHR = "Undisturbed XHR";
const INTERCEPTED_XHR = "Intercepted XHR";
const LIBERATED_XHR = "Liberated XHR";
var journal = {};
journal[COLD_FETCH] = [];
journal[UNDISTURBED_FETCH] = [];
journal[INTERCEPTED_FETCH] = [];
journal[LIBERATED_FETCH] = [];
journal[UNDISTURBED_XHR] = [];
journal[INTERCEPTED_XHR] = [];
journal[LIBERATED_XHR] = [];
const ITERATIONS = 10;
var perfMetadata = {
owner: "DOM LWS",
name: "Service Worker Fetch",
description: "Test cold and warm fetches.",
options: {
default: {
perfherder: true,
perfherder_metrics: [
// Here, we can't use the constants defined above because perfherder
// grabs data from the parse tree.
{ name: "Cold fetch", unit: "ms", shouldAlert: true },
{ name: "Undisturbed fetch", unit: "ms", shouldAlert: true },
{ name: "Intercepted fetch", unit: "ms", shouldAlert: true },
{ name: "Liberated fetch", unit: "ms", shouldAlert: true },
{ name: "Undisturbed XHR", unit: "ms", shouldAlert: true },
{ name: "Intercepted XHR", unit: "ms", shouldAlert: true },
{ name: "Liberated XHR", unit: "ms", shouldAlert: true },
],
verbose: true,
manifest: "perftest.toml",
manifest_flavor: "plain",
},
},
};
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);
});
}
add_task(async () => {
await SpecialPowers.pushPrefEnv({
set: [["dom.serviceWorkers.testing.enabled", true]]
});
});
/**
* Time fetch from a fresh service worker.
*/
add_task(async () => {
for (let i = 0; i < ITERATIONS; i++) {
let reg = await navigator.serviceWorker.register("sw_intercept_target.js");
await waitForState(reg.installing, "activated");
let iframe = await create_iframe("time_fetch.html");
let result = await iframe.contentWindow.time_fetch("target.txt");
is(result.status, 200);
is(result.data, "intercepted\n");
journal[COLD_FETCH].push(result.elapsed_ms);
ok(document.body.removeChild(iframe), "Failed to remove child iframe");
await reg.unregister();
}
});
/**
* Time unintercepted fetch, intercepted fetch, then unintercepted
* fetch again.
*/
add_task(async () => {
let reg = await navigator.serviceWorker.register("sw_intercept_target.js");
await waitForState(reg.installing, "activated");
async function measure(journal, sw_enabled) {
await SpecialPowers.pushPrefEnv({
set: [["dom.serviceWorkers.enabled", sw_enabled]]
});
let iframe = await create_iframe("time_fetch.html");
for (let i = 0; i < ITERATIONS; i++) {
let result = await iframe.contentWindow.time_fetch("target.txt");
is(result.status, 200);
is(result.data, sw_enabled ? "intercepted\n" : "target\n");
journal.push(result.elapsed_ms);
}
ok(document.body.removeChild(iframe), "Failed to remove child iframe");
await SpecialPowers.popPrefEnv();
}
await measure(journal[UNDISTURBED_FETCH], false);
await measure(journal[INTERCEPTED_FETCH], true);
await measure(journal[LIBERATED_FETCH], false);
await reg.unregister();
});
/**
* Time unintercepted XHR, intercepted XHR, then unintercepted
* XHR again.
*/
add_task(async () => {
let reg = await navigator.serviceWorker.register("sw_intercept_target.js");
await waitForState(reg.installing, "activated");
async function measure(journal, sw_enabled) {
await SpecialPowers.pushPrefEnv({
set: [["dom.serviceWorkers.enabled", sw_enabled]]
});
let iframe = await create_iframe("time_fetch.html");
for (let i = 0; i < ITERATIONS; i++) {
let result = await iframe.contentWindow.time_xhr("target.txt");
is(result.status, 200);
is(result.data, sw_enabled ? "intercepted\n" : "target\n");
journal.push(result.elapsed_ms);
}
ok(document.body.removeChild(iframe), "Failed to remove child iframe");
await SpecialPowers.popPrefEnv();
}
await measure(journal[UNDISTURBED_XHR], false);
await measure(journal[INTERCEPTED_XHR], true);
await measure(journal[LIBERATED_XHR], false);
await reg.unregister();
});
add_task(() => {
reportMetrics(journal);
});
</script>
<body>
</body>
</html>
|
