devtools/client/netmonitor/test/browser_net_waterfall-click.js

   1 /* Any copyright is dedicated to the Public Domain.
   2    http://creativecommons.org/publicdomain/zero/1.0/ */
   3
   4 "use strict";
   5
   6 /**
   7  * Test that clicking on the waterfall opens the timing sidebar panel.
   8  */
   9
  10 add_task(async function () {
  11   const { tab, monitor } = await initNetMonitor(
  12     CONTENT_TYPE_WITHOUT_CACHE_URL,
  13     { requestCount: 1 }
  14   );
  15   const { document } = monitor.panelWin;
  16
  17   // Execute requests.
  18   await performRequests(monitor, tab, CONTENT_TYPE_WITHOUT_CACHE_REQUESTS);
  19
  20   info("Clicking waterfall and waiting for panel update.");
  21   const wait = waitForDOM(document, "#timings-panel");
  22
  23   EventUtils.sendMouseEvent(
  24     { type: "mousedown" },
  25     document.querySelectorAll(".requests-list-timings")[0]
  26   );
  27
  28   await wait;
  29
  30   ok(
  31     document.querySelector("#timings-tab[aria-selected=true]"),
  32     "Timings tab is selected."
  33   );
  34
  35   return teardown(monitor);
  36 });