browser_grids_highlighter-toggle-telemetry.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test that the telemetry count is correct when the grid highlighter is activated from

// the layout view.

const TEST_URI = `

  <style type='text/css'>

    #grid {

      display: grid;

  </style>

  <div id="grid">

    <div id="cell1">cell1</div>

    <div id="cell2">cell2</div>

  </div>

`;

add_task(async function () {

  await addTab("data:text/html;charset=utf-8," + encodeURIComponent(TEST_URI));

  startTelemetry();

  const { gridInspector, inspector } = await openLayoutView();

  const { document: doc } = gridInspector;

  const { highlighters, store } = inspector;

  await selectNode("#grid", inspector);

  const gridList = doc.getElementById("grid-list");

  const checkbox = gridList.children[0].querySelector("input");

  info("Toggling ON the CSS grid highlighter from the layout panel.");

  const onHighlighterShown = highlighters.once("grid-highlighter-shown");

  let onCheckboxChange = waitUntilState(

    store,

    state => state.grids.length == 1 && state.grids[0].highlighted

);

  checkbox.click();

  await onHighlighterShown;

  await onCheckboxChange;

  info("Toggling OFF the CSS grid highlighter from the layout panel.");

  const onHighlighterHidden = highlighters.once("grid-highlighter-hidden");

  onCheckboxChange = waitUntilState(

    store,

    state => state.grids.length == 1 && !state.grids[0].highlighted

);

  checkbox.click();

  await onHighlighterHidden;

  await onCheckboxChange;

  checkResults();

});

function checkResults() {

  checkTelemetry("devtools.grid.gridinspector.opened", "", 1, "scalar");

  checkTelemetry(

    "DEVTOOLS_GRID_HIGHLIGHTER_TIME_ACTIVE_SECONDS",

"",

    null,

    "hasentries"

);