test_tabs_accessibility.html

Enable keyboard shortcuts

<!-- 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/. -->

<!DOCTYPE HTML>

<html>

<!--

Test tabs accessibility.

-->

<head>

  <meta charset="utf-8">

  <title>Tabs component accessibility test</title>

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">

</head>

<body>

<pre id="test">

<script src="head.js" type="application/javascript"></script>

<script type="application/javascript">

'use strict'

window.onload = async function () {

  try {

    const ReactDOM = browserRequire("devtools/client/shared/vendor/react-dom");

    const { createFactory } = browserRequire("devtools/client/shared/vendor/react");

    const InspectorTabPanel = createFactory(browserRequire("devtools/client/inspector/components/InspectorTabPanel"));

    const Tabbar =

      createFactory(browserRequire("devtools/client/shared/components/tabs/TabBar"));

    const tabbar = Tabbar();

    const tabbarReact = ReactDOM.render(tabbar, window.document.body);

    const tabbarEl = ReactDOM.findDOMNode(tabbarReact);

    // Setup for InspectorTabPanel

    const tabpanels = document.createElement("div");

    tabpanels.id = "tabpanels";

    document.body.appendChild(tabpanels);

    await addTabWithPanel(0);

    await addTabWithPanel(1);

    const tabAnchors = tabbarEl.querySelectorAll("li.tabs-menu-item a");

    is(tabAnchors[0].parentElement.getAttribute("role"), "presentation", "li role is set correctly");

    is(tabAnchors[0].getAttribute("role"), "tab", "Anchor role is set correctly");

    is(tabAnchors[0].getAttribute("aria-selected"), "true", "Anchor aria-selected is set correctly by default");

    is(tabAnchors[0].getAttribute("aria-controls"), "sidebar-0-panel", "Anchor aria-controls is set correctly");

    is(tabAnchors[1].parentElement.getAttribute("role"), "presentation", "li role is set correctly");

    is(tabAnchors[1].getAttribute("role"), "tab", "Anchor role is set correctly");

    is(tabAnchors[1].getAttribute("aria-selected"), "false", "Anchor aria-selected is set correctly by default");

    is(tabAnchors[1].getAttribute("aria-controls"), "sidebar-1-panel", "Anchor aria-controls is set correctly");

    await setState(tabbarReact, Object.assign({}, tabbarReact.state, {

      activeTab: 1

    }));

    is(tabAnchors[0].getAttribute("aria-selected"), "false", "Anchor aria-selected is reset correctly");

    is(tabAnchors[1].getAttribute("aria-selected"), "true", "Anchor aria-selected is reset correctly");

    function addTabWithPanel(tabId) {

      // Setup for InspectorTabPanel

      const panel = document.createElement("div");

      panel.id = `sidebar-${tabId}`;

      document.body.appendChild(panel);

      return setState(tabbarReact, Object.assign({}, tabbarReact.state, {

        tabs: tabbarReact.state.tabs.concat({

          id: `sidebar-${tabId}`,

          title: `tab-${tabId}`,

          panel: InspectorTabPanel

}),

      }));

  } catch(e) {

    ok(false, "Got an error: " + DevToolsUtils.safeErrorString(e));

  } finally {

    SimpleTest.finish();

};

</script>

</pre>

</body>

</html>