browser_net_har_throttle_upload.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

// Test timing of upload when throttling.

"use strict";

add_task(async function () {

  await throttleUploadTest(true);

  await throttleUploadTest(false);

});

async function throttleUploadTest(actuallyThrottle) {

  const { tab, monitor } = await initNetMonitor(

    HAR_EXAMPLE_URL + "html_har_post-data-test-page.html",

    { requestCount: 1 }

);

  info("Starting test... (actuallyThrottle = " + actuallyThrottle + ")");

  const { connector, store, windowRequire } = monitor.panelWin;

  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");

  store.dispatch(Actions.batchEnable(false));

  const size = 4096;

  const uploadSize = actuallyThrottle ? size / 3 : 0;

  const throttleProfile = {

    latency: 0,

    download: 200000,

    upload: uploadSize,

};

  info("sending throttle request");

  await connector.updateNetworkThrottling(true, throttleProfile);

  // Execute one POST request on the page and wait till its done.

  const wait = waitForNetworkEvents(monitor, 1);

  await SpecialPowers.spawn(

    tab.linkedBrowser,

    [{ size }],

    async function (args) {

      content.wrappedJSObject.executeTest2(args.size);

);

  await wait;

  // Copy HAR into the clipboard (asynchronous).

  const har = await copyAllAsHARWithContextMenu(monitor);

  // Check out the HAR log.

  isnot(har.log, null, "The HAR log must exist");

  is(har.log.pages.length, 1, "There must be one page");

  is(har.log.entries.length, 1, "There must be one request");

  const entry = har.log.entries[0];

  is(entry.request.postData.text, "x".repeat(size), "Check post data payload");

  const wasTwoSeconds = entry.timings.send >= 2000;

  if (actuallyThrottle) {

    ok(wasTwoSeconds, "upload should have taken more than 2 seconds");

  } else {

    ok(!wasTwoSeconds, "upload should not have taken more than 2 seconds");

  // Clean up

  await teardown(monitor);