forked from mirrors/gecko-dev
134 lines
3.7 KiB
JavaScript
134 lines
3.7 KiB
JavaScript
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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/* eslint-env node */
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/*
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Ensure the `--firefox.preference=network.http.http3.enable:true` is
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set for this test.
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*/
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async function getNumLoaded(commands) {
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return commands.js.run(`
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let sum = 0;
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document.querySelectorAll("#imgContainer img").forEach(e => {
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sum += e.complete & e.naturalHeight != 0;
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});
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return sum;
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`);
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}
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async function waitForImgLoadEnd(
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prevCount,
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maxStableCount,
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timeout,
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commands,
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context
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) {
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let starttime = await commands.js.run(`return performance.now();`);
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let endtime = await commands.js.run(`return performance.now();`);
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let changing = true;
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let newCount = -1;
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let stableCount = 0;
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while (
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((await commands.js.run(`return performance.now();`)) - starttime <
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timeout) &
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changing
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) {
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// Wait a bit before making another round
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await commands.wait.byTime(100);
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newCount = await getNumLoaded(commands);
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context.log.debug(`${newCount}, ${prevCount}, ${stableCount}`);
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// Check if we are approaching stability
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if (newCount == prevCount) {
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// Gather the end time now
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if (stableCount == 0) {
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endtime = await commands.js.run(`return performance.now();`);
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}
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stableCount++;
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} else {
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prevCount = newCount;
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stableCount = 0;
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}
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if (stableCount >= maxStableCount) {
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// Stability achieved
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changing = false;
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}
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}
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return {
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start: starttime,
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end: endtime,
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numResources: newCount,
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};
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}
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async function test(context, commands) {
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let rootUrl = "https://lucaspardue.com/quictilesfetch.html";
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let cycles = 5;
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if (
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(typeof context.options.browsertime !== "undefined") &
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(typeof context.options.browsertime.cycles !== "undefined")
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) {
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cycles = context.options.browsertime.cycles;
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}
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// Make firefox learn of HTTP/3 server
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// XXX: Need to build an HTTP/3-specific conditioned profile
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// to handle these pre-navigations.
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await commands.navigate(rootUrl);
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let combos = [
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[100, 1],
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[100, 100],
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[300, 300],
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];
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for (let cycle = 0; cycle < cycles; cycle++) {
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for (let combo = 0; combo < combos.length; combo++) {
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await commands.measure.start("pageload");
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await commands.navigate(rootUrl);
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await commands.measure.stop();
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let last = commands.measure.result.length - 1;
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commands.measure.result[
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last
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].browserScripts.pageinfo.url = `LucasQUIC (r=${combos[combo][0]}, p=${combos[combo][1]})`;
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// Set the input fields
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await commands.js.runAndWait(`
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document.querySelector("#maxReq").setAttribute(
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"value",
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${combos[combo][0]}
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)
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`);
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await commands.js.runAndWait(`
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document.querySelector("#reqGroup").setAttribute(
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"value",
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${combos[combo][1]}
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)
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`);
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// Start the test and wait for the images to finish loading
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commands.click.byJs(`document.querySelector("button")`);
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let results = await waitForImgLoadEnd(0, 40, 120000, commands, context);
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commands.measure.result[last].browserScripts.pageinfo.resourceLoadTime =
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results.end - results.start;
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commands.measure.result[last].browserScripts.pageinfo.imagesLoaded =
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results.numResources;
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commands.measure.result[last].browserScripts.pageinfo.imagesMissed =
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combos[combo][0] - results.numResources;
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}
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}
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}
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module.exports = {
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test,
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owner: "Network Team",
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name: "lq-fetch",
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component: "netwerk",
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description: "Measures the amount of time it takes to load a set of images.",
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};
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