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changeElementVOVisibility.spec.js
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/**
* This source file is part of the Swift.org open source project
*
* Copyright (c) 2021-2022 Apple Inc. and the Swift project authors
* Licensed under Apache License v2.0 with Runtime Library Exception
*
* See https://swift.org/LICENSE.txt for license information
* See https://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
/* eslint-disable */
import changeElementVOVisibility from "docc-render/utils/changeElementVOVisibility";
import { parseHTMLString } from "../../../test-utils";
let DOM;
describe("changeElementVOVisibility", () => {
beforeEach(() => {
DOM = parseHTMLString(`
<div>
<div class="header">Header</div>
<main class="main">
<nav class="navigation">Navigation</nav>
<div class="target">
<div class="inside">Inside</div>
</div>
</main>
<div class="footer">Footer</div>
</div>
`);
});
// cleanup the DOM
afterEach(() => {
document.getElementsByTagName("html")[0].innerHTML = "";
});
it("hides all siblings elements, of the current element, up the chain.", () => {
document.body.appendChild(DOM);
changeElementVOVisibility.hide(document.querySelector(".target"));
expect(document.body.getAttribute("aria-hidden")).toBeFalsy();
expect(document.querySelector(".header").getAttribute("aria-hidden")).toBe("true");
expect(document.querySelector(".main").getAttribute("aria-hidden")).toBeFalsy();
expect(document.querySelector(".main .navigation").getAttribute("aria-hidden")).toBe("true");
expect(document.querySelector(".main .target").getAttribute("aria-hidden")).toBeFalsy();
expect(document.querySelector(".footer").getAttribute("aria-hidden")).toBe("true");
expect(document.querySelector(".header").getAttribute("tabindex")).toBe("-1");
expect(document.querySelector(".main .navigation").getAttribute("tabindex")).toBe("-1");
expect(document.querySelector(".footer").getAttribute("tabindex")).toBe("-1");
expect(document.body.outerHTML).toMatchInlineSnapshot(`
<body>
<div>
<div>
<div class="header" data-original-aria-hidden="" data-original-tabindex="" aria-hidden="true" tabindex="-1">Header</div>
<main class="main">
<nav class="navigation" data-original-aria-hidden="" data-original-tabindex="" aria-hidden="true" tabindex="-1">Navigation</nav>
<div class="target">
<div class="inside">Inside</div>
</div>
</main>
<div class="footer" data-original-aria-hidden="" data-original-tabindex="" aria-hidden="true" tabindex="-1">Footer</div>
</div>
</div>
</body>
`);
});
it("reveals all sibling elements, of the current element, up the chain, removing extra attrs", () => {
document.body.appendChild(DOM);
// cache the html
const previousHTML = document.body.outerHTML;
const target = document.querySelector(".target");
// hide all
changeElementVOVisibility.hide(target);
// reveal back
changeElementVOVisibility.show(target);
// assert the content is identical
expect(document.body.outerHTML).toEqual(previousHTML);
expect(document.body.outerHTML).toMatchInlineSnapshot(`
<body>
<div>
<div>
<div class="header">Header</div>
<main class="main">
<nav class="navigation">Navigation</nav>
<div class="target">
<div class="inside">Inside</div>
</div>
</main>
<div class="footer">Footer</div>
</div>
</div>
</body>
`);
});
it("preserves previously set aria-hidden values", () => {
DOM.querySelector(".header").setAttribute("aria-hidden", true);
DOM.querySelector(".navigation").setAttribute("aria-hidden", false);
document.body.appendChild(DOM);
const cachedHTML = document.body.outerHTML;
const target = document.querySelector(".target");
// hide all
changeElementVOVisibility.hide(target);
expect(document.querySelector(".header").getAttribute("data-original-aria-hidden")).toBe(
"true"
);
expect(document.querySelector(".navigation").getAttribute("data-original-aria-hidden")).toBe(
"false"
);
expect(document.body.outerHTML).toMatchInlineSnapshot(`
<body>
<div>
<div>
<div class="header" aria-hidden="true" data-original-aria-hidden="true" data-original-tabindex="" tabindex="-1">Header</div>
<main class="main">
<nav class="navigation" aria-hidden="true" data-original-aria-hidden="false" data-original-tabindex="" tabindex="-1">Navigation</nav>
<div class="target">
<div class="inside">Inside</div>
</div>
</main>
<div class="footer" data-original-aria-hidden="" data-original-tabindex="" aria-hidden="true" tabindex="-1">Footer</div>
</div>
</div>
</body>
`);
changeElementVOVisibility.show(target);
expect(document.body.outerHTML).toEqual(cachedHTML);
});
it("preserves previously set tabindex values", () => {
DOM.querySelector(".header").setAttribute("tabindex", "2");
DOM.querySelector(".navigation").setAttribute("tabindex", "-1");
document.body.appendChild(DOM);
const cachedHTML = document.body.outerHTML;
const target = document.querySelector(".target");
// hide all
changeElementVOVisibility.hide(target);
expect(document.querySelector(".header").getAttribute("data-original-tabindex")).toBe(
"2"
);
expect(document.querySelector(".navigation").getAttribute("data-original-tabindex")).toBe(
"-1"
);
expect(document.body.outerHTML).toMatchInlineSnapshot(`
<body>
<div>
<div>
<div class="header" tabindex="-1" data-original-aria-hidden="" data-original-tabindex="2" aria-hidden="true">Header</div>
<main class="main">
<nav class="navigation" tabindex="-1" data-original-aria-hidden="" data-original-tabindex="-1" aria-hidden="true">Navigation</nav>
<div class="target">
<div class="inside">Inside</div>
</div>
</main>
<div class="footer" data-original-aria-hidden="" data-original-tabindex="" aria-hidden="true" tabindex="-1">Footer</div>
</div>
</div>
</body>
`);
changeElementVOVisibility.show(target);
expect(document.body.outerHTML).toEqual(cachedHTML);
});
});