shaka-player
Version:
DASH/EME video player library
445 lines (363 loc) • 15.8 kB
JavaScript
/*! @license
* Shaka Player
* Copyright 2016 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
describe('XmlUtils', () => {
// A number that cannot be represented as a Javascript number.
const HUGE_NUMBER_STRING = new Array(500).join('7');
const XmlUtils = shaka.util.XmlUtils;
describe('findChild', () => {
it('finds a child node', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child></Child>',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.findChild(root, 'Child')).toBeTruthy();
expect(XmlUtils.findChild(root, 'DoesNotExist')).toBeNull();
});
it('handles duplicate child nodes', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child></Child>',
' <Child></Child>',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.findChild(root, 'Child')).toBeNull();
});
});
it('findChildren', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child></Child>',
' <Child></Child>',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
const roots = XmlUtils.findChildren(xml, 'Root');
expect(roots).toBeTruthy();
expect(roots.length).toBe(1);
let children = XmlUtils.findChildren(roots[0], 'Child');
expect(children.length).toBe(2);
children = XmlUtils.findChildren(roots[0], 'DoesNotExist');
expect(children.length).toBe(0);
});
describe('getContents', () => {
it('returns node contents', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' foo bar',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.getContents(root)).toBe('foo bar');
});
it('handles empty node contents', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.getContents(root)).toBe('');
});
it('handles null node contents', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
expect(XmlUtils.getContents(xml)).toBeNull();
});
it('handles CDATA sections', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
'<![CDATA[<Foo> Bar]]>',
'</Root>',
].join('\n');
const xml = new DOMParser().parseFromString(xmlString, 'application/xml');
goog.asserts.assert(xml, 'parseFromString should succeed');
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.getContents(root)).toBe('<Foo> Bar');
});
});
describe('parseAttr', () => {
/** @type {!Document} */
let xml;
beforeEach(() => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root a="2-7" b="-5" c="">',
'</Root>',
].join('\n');
xml = /** @type {!Document} */ (
new DOMParser().parseFromString(xmlString, 'application/xml'));
});
it('delegates to parser function', () => {
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.parseAttr(root, 'a', XmlUtils.parseRange)).toEqual(
{start: 2, end: 7});
expect(XmlUtils.parseAttr(root, 'b', XmlUtils.parseInt)).toBe(-5);
expect(XmlUtils.parseAttr(root, 'c', XmlUtils.parseInt)).toBe(0);
expect(XmlUtils.parseAttr(root, 'd', XmlUtils.parseInt)).toBeNull();
});
it('supports default values', () => {
const root = XmlUtils.findChild(xml, 'Root');
goog.asserts.assert(root, 'findChild should find element');
expect(XmlUtils.parseAttr(root, 'd', XmlUtils.parseInt, 9)).toBe(9);
});
});
it('parseDate', () => {
// Should be parsed as UTC independent of local timezone.
expect(XmlUtils.parseDate('2015-11-30T12:46:33')).toBe(1448887593);
// Should be parsed using the given timezone, not the local timezone.
expect(XmlUtils.parseDate('2015-11-30T12:46:33+06:00')).toBe(1448865993);
expect(XmlUtils.parseDate('November 30, 2015')).toBeTruthy();
expect(XmlUtils.parseDate('Apple')).toBeNull();
expect(XmlUtils.parseDate('')).toBeNull();
});
it('parseDuration', () => {
// No time.
expect(XmlUtils.parseDuration('P')).toBe(0);
expect(XmlUtils.parseDuration('PT')).toBe(0);
// Years only. 1 year has 365 or 366 days.
expect(XmlUtils.parseDuration('P3Y')).toBeLessThan(
3 * (60 * 60 * 24 * 366) + 1);
expect(XmlUtils.parseDuration('P3Y')).toBeGreaterThan(
3 * (60 * 60 * 24 * 365) - 1);
// Months only. 1 month has 28 to 31 days.
expect(XmlUtils.parseDuration('P2M')).toBeLessThan(
2 * (60 * 60 * 24 * 31) + 1);
expect(XmlUtils.parseDuration('P2M')).toBeGreaterThan(
2 * (60 * 60 * 24 * 28) - 1);
// Days only.
expect(XmlUtils.parseDuration('P7D')).toBe(604800);
// Hours only.
expect(XmlUtils.parseDuration('PT1H')).toBe(3600);
// Minutes only.
expect(XmlUtils.parseDuration('PT1M')).toBe(60);
// Seconds only (with no fractional part).
expect(XmlUtils.parseDuration('PT1S')).toBe(1);
// Seconds only (with no whole part).
expect(XmlUtils.parseDuration('PT0.1S')).toBe(0.1);
expect(XmlUtils.parseDuration('PT.1S')).toBe(0.1);
// Seconds only (with whole part and fractional part).
expect(XmlUtils.parseDuration('PT1.1S')).toBe(1.1);
// Hours, and minutes.
expect(XmlUtils.parseDuration('PT1H2M')).toBe(3720);
// Hours, and seconds.
expect(XmlUtils.parseDuration('PT1H2S')).toBe(3602);
expect(XmlUtils.parseDuration('PT1H2.2S')).toBe(3602.2);
// Minutes, and seconds.
expect(XmlUtils.parseDuration('PT1M2S')).toBe(62);
expect(XmlUtils.parseDuration('PT1M2.2S')).toBe(62.2);
// Hours, minutes, and seconds.
expect(XmlUtils.parseDuration('PT1H2M3S')).toBe(3723);
expect(XmlUtils.parseDuration('PT1H2M3.3S')).toBe(3723.3);
// Days, hours, minutes, and seconds.
expect(XmlUtils.parseDuration('P1DT1H2M3S')).toBe(90123);
expect(XmlUtils.parseDuration('P1DT1H2M3.3S')).toBe(90123.3);
// Months, hours, minutes, and seconds.
expect(XmlUtils.parseDuration('P1M1DT1H2M3S')).toBeLessThan(
(60 * 60 * 24 * 31) + 90123 + 1);
expect(XmlUtils.parseDuration('P1M1DT1H2M3S')).toBeGreaterThan(
(60 * 60 * 24 * 28) + 90123 - 1);
// Years, Months, hours, minutes, and seconds.
expect(XmlUtils.parseDuration('P1Y1M1DT1H2M3S')).toBeLessThan(
(60 * 60 * 24 * 366) + (60 * 60 * 24 * 31) + 90123 + 1);
expect(XmlUtils.parseDuration('P1Y1M1DT1H2M3S')).toBeGreaterThan(
(60 * 60 * 24 * 365) + (60 * 60 * 24 * 28) + 90123 - 1);
expect(XmlUtils.parseDuration('PT')).toBe(0);
expect(XmlUtils.parseDuration('P')).toBe(0);
// Error cases.
expect(XmlUtils.parseDuration('-PT3S')).toBeNull();
expect(XmlUtils.parseDuration('PT-3S')).toBeNull();
expect(XmlUtils.parseDuration('P1Sasdf')).toBeNull();
expect(XmlUtils.parseDuration('1H2M3S')).toBeNull();
expect(XmlUtils.parseDuration('123')).toBeNull();
expect(XmlUtils.parseDuration('abc')).toBeNull();
expect(XmlUtils.parseDuration('')).toBeNull();
expect(XmlUtils.parseDuration('P' + HUGE_NUMBER_STRING + 'Y')).toBeNull();
expect(XmlUtils.parseDuration('P' + HUGE_NUMBER_STRING + 'M')).toBeNull();
expect(XmlUtils.parseDuration('P' + HUGE_NUMBER_STRING + 'D')).toBeNull();
expect(XmlUtils.parseDuration('PT' + HUGE_NUMBER_STRING + 'H')).toBeNull();
expect(XmlUtils.parseDuration('PT' + HUGE_NUMBER_STRING + 'M')).toBeNull();
expect(XmlUtils.parseDuration('PT' + HUGE_NUMBER_STRING + 'S')).toBeNull();
});
it('parseRange', () => {
expect(XmlUtils.parseRange('0-0')).toEqual({start: 0, end: 0});
expect(XmlUtils.parseRange('1-1')).toEqual({start: 1, end: 1});
expect(XmlUtils.parseRange('1-50')).toEqual({start: 1, end: 50});
expect(XmlUtils.parseRange('50-1')).toEqual({start: 50, end: 1});
expect(XmlUtils.parseRange('-1')).toBeNull();
expect(XmlUtils.parseRange('1-')).toBeNull();
expect(XmlUtils.parseRange('1')).toBeNull();
expect(XmlUtils.parseRange('-')).toBeNull();
expect(XmlUtils.parseRange('')).toBeNull();
expect(XmlUtils.parseRange('abc')).toBeNull();
expect(XmlUtils.parseRange('a-')).toBeNull();
expect(XmlUtils.parseRange('-b')).toBeNull();
expect(XmlUtils.parseRange('a-b')).toBeNull();
expect(XmlUtils.parseRange(HUGE_NUMBER_STRING + '-1')).toBeNull();
expect(XmlUtils.parseRange('1-' + HUGE_NUMBER_STRING)).toBeNull();
});
it('parseInt', () => {
expect(XmlUtils.parseInt('0')).toBe(0);
expect(XmlUtils.parseInt('1')).toBe(1);
expect(XmlUtils.parseInt('191')).toBe(191);
expect(XmlUtils.parseInt('-0')).toBe(0);
expect(XmlUtils.parseInt('-1')).toBe(-1);
expect(XmlUtils.parseInt('-191')).toBe(-191);
expect(XmlUtils.parseInt('abc')).toBeNull();
expect(XmlUtils.parseInt('1abc')).toBeNull();
expect(XmlUtils.parseInt('abc1')).toBeNull();
expect(XmlUtils.parseInt('0.0')).toBe(0);
expect(XmlUtils.parseInt('-0.0')).toBe(0);
expect(XmlUtils.parseInt('0.1')).toBeNull();
expect(XmlUtils.parseInt('1.1')).toBeNull();
expect(XmlUtils.parseInt(HUGE_NUMBER_STRING)).toBeNull();
expect(XmlUtils.parseInt('-' + HUGE_NUMBER_STRING)).toBeNull();
});
it('parsePositiveInt', () => {
expect(XmlUtils.parsePositiveInt('0')).toBeNull();
expect(XmlUtils.parsePositiveInt('1')).toBe(1);
expect(XmlUtils.parsePositiveInt('191')).toBe(191);
expect(XmlUtils.parsePositiveInt('-0')).toBeNull();
expect(XmlUtils.parsePositiveInt('-1')).toBeNull();
expect(XmlUtils.parsePositiveInt('-191')).toBeNull();
expect(XmlUtils.parsePositiveInt('abc')).toBeNull();
expect(XmlUtils.parsePositiveInt('1abc')).toBeNull();
expect(XmlUtils.parsePositiveInt('abc1')).toBeNull();
expect(XmlUtils.parsePositiveInt('0.0')).toBeNull();
expect(XmlUtils.parsePositiveInt('-0.0')).toBeNull();
expect(XmlUtils.parsePositiveInt('0.1')).toBeNull();
expect(XmlUtils.parsePositiveInt('1.1')).toBeNull();
expect(XmlUtils.parsePositiveInt(HUGE_NUMBER_STRING)).toBeNull();
expect(XmlUtils.parsePositiveInt('-' + HUGE_NUMBER_STRING)).toBeNull();
});
it('parseNonNegativeInt', () => {
expect(XmlUtils.parseNonNegativeInt('0')).toBe(0);
expect(XmlUtils.parseNonNegativeInt('1')).toBe(1);
expect(XmlUtils.parseNonNegativeInt('191')).toBe(191);
expect(XmlUtils.parseNonNegativeInt('-0')).toBe(0);
expect(XmlUtils.parseNonNegativeInt('-1')).toBeNull();
expect(XmlUtils.parseNonNegativeInt('-191')).toBeNull();
expect(XmlUtils.parseNonNegativeInt('abc')).toBeNull();
expect(XmlUtils.parseNonNegativeInt('1abc')).toBeNull();
expect(XmlUtils.parseNonNegativeInt('abc1')).toBeNull();
expect(XmlUtils.parseNonNegativeInt('0.0')).toBe(0);
expect(XmlUtils.parseNonNegativeInt('-0.0')).toBe(0);
expect(XmlUtils.parseNonNegativeInt('0.1')).toBeNull();
expect(XmlUtils.parseNonNegativeInt('1.1')).toBeNull();
expect(XmlUtils.parseNonNegativeInt(HUGE_NUMBER_STRING)).toBeNull();
expect(XmlUtils.parseNonNegativeInt('-' + HUGE_NUMBER_STRING)).toBeNull();
});
it('parseFloat', () => {
expect(XmlUtils.parseFloat('0')).toBe(0);
expect(XmlUtils.parseFloat('1')).toBe(1);
expect(XmlUtils.parseFloat('191')).toBe(191);
expect(XmlUtils.parseFloat('-0')).toBe(0);
expect(XmlUtils.parseFloat('-1')).toBe(-1);
expect(XmlUtils.parseFloat('-191')).toBe(-191);
expect(XmlUtils.parseFloat('abc')).toBeNull();
expect(XmlUtils.parseFloat('1abc')).toBeNull();
expect(XmlUtils.parseFloat('abc1')).toBeNull();
expect(XmlUtils.parseFloat('0.0')).toBe(0);
expect(XmlUtils.parseFloat('-0.0')).toBe(0);
expect(XmlUtils.parseFloat('0.1')).toBeCloseTo(0.1);
expect(XmlUtils.parseFloat('1.1')).toBeCloseTo(1.1);
expect(XmlUtils.parseFloat('19.1134')).toBeCloseTo(19.1134);
expect(XmlUtils.parseFloat('4e2')).toBeCloseTo(4e2);
expect(XmlUtils.parseFloat('4e-2')).toBeCloseTo(4e-2);
expect(XmlUtils.parseFloat(HUGE_NUMBER_STRING)).toBe(Infinity);
expect(XmlUtils.parseFloat('-' + HUGE_NUMBER_STRING)).toBe(-Infinity);
});
describe('parseXmlString', () => {
it('parses a simple XML document', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child></Child>',
'</Root>',
].join('\n');
const doc = XmlUtils.parseXmlString(xmlString, 'Root');
expect(doc).not.toBeNull();
expect(doc.tagName).toBe('Root');
});
it('returns null on an empty XML document', () => {
const xmlString = '';
const doc = XmlUtils.parseXmlString(xmlString, 'Root');
expect(doc).toBeNull();
});
it('returns null on malformed XML', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child</Child>',
'</Root>',
].join('\n');
const doc = XmlUtils.parseXmlString(xmlString, 'Root');
expect(doc).toBeNull();
});
it('returns null on root element mismatch', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child></Child>',
'</Root>',
].join('\n');
const doc = XmlUtils.parseXmlString(xmlString, 'Document');
expect(doc).toBeNull();
});
it('returns null on XML that embeds HTML', () => {
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <Child xmlns="http://www.w3.org/1999/xhtml"></Child>',
'</Root>',
].join('\n');
const doc = XmlUtils.parseXmlString(xmlString, 'Root');
expect(doc).toBeNull();
});
it('returns null on XML that embeds SVG', () => {
// Some platforms, such as Xbox One, don't recognize elements as SVG
// based on namespace alone. So the SVG element below needs to be a real
// SVG element.
const xmlString = [
'<?xml version="1.0"?>',
'<Root>',
' <svg viewBox="0 0 100 100">',
' <rect x="0" y="0" width="100" height"100" />',
' </svg>',
'</Root>',
].join('\n');
const doc = XmlUtils.parseXmlString(xmlString, 'Root');
expect(doc).toBeNull();
});
});
});