browser_inspector_initialization.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

// Tests for different ways to initialize the inspector.

const HTML = `

  <div id="first" style="margin: 10em; font-size: 14pt;

                         font-family: helvetica, sans-serif; color: gray">

    <h1>Some header text</h1>

    <p id="salutation" style="font-size: 12pt">hi.</p>

    <p id="body" style="font-size: 12pt">I am a test-case. This text exists

    solely to provide some things to test the inspector initialization.</p>

    <p>If you are reading this, you should go do something else instead. Maybe

    read a book. Or better yet, write some test-cases for another bit of code.

      <span style="font-style: italic">Inspector's!</span>

    </p>

    <p id="closing">end transmission</p>

  </div>

`;

const TEST_URI = "data:text/html;charset=utf-8," + encodeURI(HTML);

add_task(async function () {

  const tab = await addTab(TEST_URI);

  await testToolboxInitialization(tab);

  await testContextMenuInitialization();

  await testContextMenuInspectorAlreadyOpen();

});

async function testToolboxInitialization(tab) {

  info("Opening inspector with gDevTools.");

  const toolbox = await gDevTools.showToolboxForTab(tab, {

    toolId: "inspector",

});

  const inspector = toolbox.getCurrentPanel();

  ok(true, "Inspector started, and notification received.");

  ok(inspector, "Inspector instance is accessible.");

  await selectNode("p", inspector);

  await testMarkupView("p", inspector);

  await testBreadcrumbs("p", inspector);

  await scrollContentPageNodeIntoView(gBrowser.selectedBrowser, "span");

  await selectNode("span", inspector);

  await testMarkupView("span", inspector);

  await testBreadcrumbs("span", inspector);

  info("Destroying toolbox");

  await toolbox.destroy();

  ok(true, "'destroyed' notification received.");

  const toolboxForTab = gDevTools.getToolboxForTab(tab);

  ok(!toolboxForTab, "Toolbox destroyed.");

async function testContextMenuInitialization() {

  info("Opening inspector by clicking on 'Inspect Element' context menu item");

  await clickOnInspectMenuItem("#salutation");

  info("Checking inspector state.");

  await testMarkupView("#salutation");

  await testBreadcrumbs("#salutation");

async function testContextMenuInspectorAlreadyOpen() {

  info("Changing node by clicking on 'Inspect Element' context menu item");

  const inspector = getActiveInspector();

  ok(inspector, "Inspector is active");

  await clickOnInspectMenuItem("#closing");

  ok(true, "Inspector was updated when 'Inspect Element' was clicked.");

  await testMarkupView("#closing", inspector);

  await testBreadcrumbs("#closing", inspector);

async function testMarkupView(selector, inspector) {

  if (!inspector) {

    inspector = getActiveInspector();

  const nodeFront = await getNodeFront(selector, inspector);

  try {

is(

      inspector.selection.nodeFront,

      nodeFront,

      "Right node is selected in the markup view"

);

  } catch (ex) {

    ok(false, "Got exception while resolving selected node of markup view.");

    console.error(ex);

async function testBreadcrumbs(selector, inspector) {

  if (!inspector) {

    inspector = getActiveInspector();

  const nodeFront = await getNodeFront(selector, inspector);

  const b = inspector.breadcrumbs;

  const expectedText = b.prettyPrintNodeAsText(nodeFront);

  const button = b.container.querySelector("button[aria-pressed=true]");

  ok(button, "A crumbs is pressed");

is(

    button.getAttribute("title"),

    expectedText,

    "Crumb refers to the right node"

);