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-rw-r--r--netwerk/test/perf/perftest_http3_lucasquicfetch.js134
1 files changed, 134 insertions, 0 deletions
diff --git a/netwerk/test/perf/perftest_http3_lucasquicfetch.js b/netwerk/test/perf/perftest_http3_lucasquicfetch.js
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+++ b/netwerk/test/perf/perftest_http3_lucasquicfetch.js
@@ -0,0 +1,134 @@
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+/* eslint-env node */
+
+/*
+Ensure the `--firefox.preference=network.http.http3.enable:true` is
+set for this test.
+*/
+
+async function getNumLoaded(commands) {
+ return commands.js.run(`
+ let sum = 0;
+ document.querySelectorAll("#imgContainer img").forEach(e => {
+ sum += e.complete & e.naturalHeight != 0;
+ });
+ return sum;
+ `);
+}
+
+async function waitForImgLoadEnd(
+ prevCount,
+ maxStableCount,
+ timeout,
+ commands,
+ context
+) {
+ let starttime = await commands.js.run(`return performance.now();`);
+ let endtime = await commands.js.run(`return performance.now();`);
+ let changing = true;
+ let newCount = -1;
+ let stableCount = 0;
+
+ while (
+ ((await commands.js.run(`return performance.now();`)) - starttime <
+ timeout) &
+ changing
+ ) {
+ // Wait a bit before making another round
+ await commands.wait.byTime(100);
+ newCount = await getNumLoaded(commands);
+ context.log.debug(`${newCount}, ${prevCount}, ${stableCount}`);
+
+ // Check if we are approaching stability
+ if (newCount == prevCount) {
+ // Gather the end time now
+ if (stableCount == 0) {
+ endtime = await commands.js.run(`return performance.now();`);
+ }
+ stableCount++;
+ } else {
+ prevCount = newCount;
+ stableCount = 0;
+ }
+
+ if (stableCount >= maxStableCount) {
+ // Stability achieved
+ changing = false;
+ }
+ }
+
+ return {
+ start: starttime,
+ end: endtime,
+ numResources: newCount,
+ };
+}
+
+async function test(context, commands) {
+ let rootUrl = "https://lucaspardue.com/quictilesfetch.html";
+ let cycles = 5;
+
+ if (
+ (typeof context.options.browsertime !== "undefined") &
+ (typeof context.options.browsertime.cycles !== "undefined")
+ ) {
+ cycles = context.options.browsertime.cycles;
+ }
+
+ // Make firefox learn of HTTP/3 server
+ // XXX: Need to build an HTTP/3-specific conditioned profile
+ // to handle these pre-navigations.
+ await commands.navigate(rootUrl);
+
+ let combos = [
+ [100, 1],
+ [100, 100],
+ [300, 300],
+ ];
+ for (let cycle = 0; cycle < cycles; cycle++) {
+ for (let combo = 0; combo < combos.length; combo++) {
+ await commands.measure.start("pageload");
+ await commands.navigate(rootUrl);
+ await commands.measure.stop();
+ let last = commands.measure.result.length - 1;
+ commands.measure.result[
+ last
+ ].browserScripts.pageinfo.url = `LucasQUIC (r=${combos[combo][0]}, p=${combos[combo][1]})`;
+
+ // Set the input fields
+ await commands.js.runAndWait(`
+ document.querySelector("#maxReq").setAttribute(
+ "value",
+ ${combos[combo][0]}
+ )
+ `);
+ await commands.js.runAndWait(`
+ document.querySelector("#reqGroup").setAttribute(
+ "value",
+ ${combos[combo][1]}
+ )
+ `);
+
+ // Start the test and wait for the images to finish loading
+ commands.click.byJs(`document.querySelector("button")`);
+ let results = await waitForImgLoadEnd(0, 40, 120000, commands, context);
+
+ commands.measure.result[last].browserScripts.pageinfo.resourceLoadTime =
+ results.end - results.start;
+ commands.measure.result[last].browserScripts.pageinfo.imagesLoaded =
+ results.numResources;
+ commands.measure.result[last].browserScripts.pageinfo.imagesMissed =
+ combos[combo][0] - results.numResources;
+ }
+ }
+}
+
+module.exports = {
+ test,
+ owner: "Network Team",
+ name: "lq-fetch",
+ component: "netwerk",
+ description: "Measures the amount of time it takes to load a set of images.",
+};