browser_styleeditor_media_sidebar_sourcemaps.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// https rather than chrome to improve coverage

const TESTCASE_URI = TEST_BASE_HTTPS + "media-rules-sourcemaps.html";

const MAP_PREF = "devtools.source-map.client-service.enabled";

const LABELS = [

  "screen and (max-width: 320px)",

  "screen and (min-width: 1200px)",

];

const LINE_NOS = [5, 8];

waitForExplicitFinish();

add_task(async function () {

  Services.prefs.setBoolPref(MAP_PREF, true);

  const { ui } = await openStyleEditorForURL(TESTCASE_URI);

  is(ui.editors.length, 1, "correct number of editors");

  // Test editor with @media rules

  const mediaEditor = ui.editors[0];

  await openEditor(mediaEditor);

  testAtRulesEditor(mediaEditor);

  Services.prefs.clearUserPref(MAP_PREF);

});

function testAtRulesEditor(editor) {

  const sidebar = editor.details.querySelector(".stylesheet-sidebar");

  is(sidebar.hidden, false, "sidebar is showing on editor with @media");

  const entries = [...sidebar.querySelectorAll(".at-rule-label")];

  is(entries.length, 2, "two @media rules displayed in sidebar");

  testRule(entries[0], LABELS[0], LINE_NOS[0]);

  testRule(entries[1], LABELS[1], LINE_NOS[1]);

function testRule(rule, text, lineno) {

  const cond = rule.querySelector(".at-rule-condition");

  is(cond.textContent, text, "media label is correct for " + text);

  const line = rule.querySelector(".at-rule-line");

  is(line.textContent, ":" + lineno, "correct line number shown");

/* Helpers */

function openEditor(editor) {

  getLinkFor(editor).click();

  return editor.getSourceEditor();

function getLinkFor(editor) {

  return editor.summary.querySelector(".stylesheet-name");