browser_net_charts-06.js

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/* Any copyright is dedicated to the Public Domain.

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

"use strict";

/**

 * Makes sure Pie Charts correctly handle empty source data.

*/

add_task(async function () {

  const {

    L10N,

  } = require("resource://devtools/client/netmonitor/src/utils/l10n.js");

  const { monitor } = await initNetMonitor(HTTPS_SIMPLE_URL, {

    requestCount: 1,

});

  info("Starting test... ");

  const { document, windowRequire } = monitor.panelWin;

  const { Chart } = windowRequire("devtools/client/shared/widgets/Chart");

  const wait = waitForNetworkEvents(monitor, 1);

  await navigateTo(HTTPS_SIMPLE_URL);

  await wait;

  const pie = Chart.Pie(document, {

    data: [],

    width: 100,

    height: 100,

});

  const { node } = pie;

  const slices = node.querySelectorAll(".pie-chart-slice");

  const labels = node.querySelectorAll(".pie-chart-label");

  is(slices.length, 1, "There should be 1 pie chart slice created.");

ok(

    slices[0]

      .getAttribute("d")

      .match(

        /\s*M 50,50 L 50\.\d+,2\.5\d* A 47\.5,47\.5 0 1 1 49\.\d+,2\.5\d* Z/

),

    "The slice has the correct data."

);

  ok(slices[0].hasAttribute("largest"), "The slice should be the largest one.");

ok(

    slices[0].hasAttribute("smallest"),

    "The slice should also be the smallest one."

);

is(

    slices[0].getAttribute("data-statistic-name"),

    L10N.getStr("pieChart.unavailable"),

    "The slice's name is correct."

);

  is(labels.length, 1, "There should be 1 pie chart label created.");

  is(labels[0].textContent, "Empty", "The label's text is correct.");

  await teardown(monitor);

});