gecko/browser/devtools/netmonitor/test/browser_net_charts-01.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

/**
 * Makes sure Pie Charts have the right internal structure.
 */

function test() {
  initNetMonitor(SIMPLE_URL).then(([aTab, aDebuggee, aMonitor]) => {
    info("Starting test... ");

    let { document, Chart } = aMonitor.panelWin;
    let container = document.createElement("box");

    let pie = Chart.Pie(document, {
      width: 100,
      height: 100,
      data: [{
        size: 1,
        label: "foo"
      }, {
        size: 2,
        label: "bar"
      }, {
        size: 3,
        label: "baz"
      }]
    });

    let node = pie.node;
    let slices = node.querySelectorAll(".pie-chart-slice.chart-colored-blob");
    let labels = node.querySelectorAll(".pie-chart-label");

    ok(node.classList.contains("pie-chart-container") &&
       node.classList.contains("generic-chart-container"),
      "A pie chart container was created successfully.");

    is(slices.length, 3,
      "There should be 3 pie chart slices created.");
    ok(slices[0].getAttribute("d").match(/\s*M 50,50 L 49\.\d+,97\.\d+ A 47\.5,47\.5 0 0 1 49\.\d+,2\.5\d* Z/),
      "The first slice has the correct data.");
    ok(slices[1].getAttribute("d").match(/\s*M 50,50 L 91\.\d+,26\.\d+ A 47\.5,47\.5 0 0 1 49\.\d+,97\.\d+ Z/),
      "The second slice has the correct data.");
    ok(slices[2].getAttribute("d").match(/\s*M 50,50 L 50\.\d+,2\.5\d* A 47\.5,47\.5 0 0 1 91\.\d+,26\.\d+ Z/),
      "The third slice has the correct data.");

    ok(slices[0].hasAttribute("largest"),
      "The first slice should be the largest one.");
    ok(slices[2].hasAttribute("smallest"),
      "The third slice should be the smallest one.");

    ok(slices[0].getAttribute("name"), "baz",
      "The first slice's name is correct.");
    ok(slices[1].getAttribute("name"), "bar",
      "The first slice's name is correct.");
    ok(slices[2].getAttribute("name"), "foo",
      "The first slice's name is correct.");

    is(labels.length, 3,
      "There should be 3 pie chart labels created.");
    is(labels[0].textContent, "baz",
      "The first label's text is correct.");
    is(labels[1].textContent, "bar",
      "The first label's text is correct.");
    is(labels[2].textContent, "foo",
      "The first label's text is correct.");

    teardown(aMonitor).then(finish);
  });
}