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2061 lines
58 KiB
2061 lines
58 KiB
import QUnit from 'qunit';
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import {
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default as PlaylistLoader,
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updateSegments,
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updateMaster,
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refreshDelay
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} from '../src/playlist-loader';
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import xhrFactory from '../src/xhr';
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import { useFakeEnvironment, urlTo } from './test-helpers';
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import window from 'global/window';
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// needed for plugin registration
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import '../src/videojs-http-streaming';
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import {
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createPlaylistID,
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parseManifest
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} from '../src/manifest.js';
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import manifests from 'create-test-data!manifests';
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QUnit.module('Playlist Loader', {
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beforeEach(assert) {
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this.env = useFakeEnvironment(assert);
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this.clock = this.env.clock;
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this.requests = this.env.requests;
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this.fakeVhs = {
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xhr: xhrFactory()
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};
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},
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afterEach() {
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this.env.restore();
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}
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});
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QUnit.test('updateSegments copies over properties', function(assert) {
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assert.deepEqual(
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[
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{ uri: 'test-uri-0', startTime: 0, endTime: 10 },
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{
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uri: 'test-uri-1',
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startTime: 10,
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endTime: 20,
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map: { someProp: 99, uri: '4' }
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}
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],
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updateSegments(
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[
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{ uri: 'test-uri-0', startTime: 0, endTime: 10 },
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{ uri: 'test-uri-1', startTime: 10, endTime: 20, map: { someProp: 1 } }
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],
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[
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{ uri: 'test-uri-0' },
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{ uri: 'test-uri-1', map: { someProp: 99, uri: '4' } }
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],
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0
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),
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'retains properties from original segment'
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);
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assert.deepEqual(
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[
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{ uri: 'test-uri-0', map: { someProp: 100 } },
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{ uri: 'test-uri-1', map: { someProp: 99, uri: '4' } }
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],
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updateSegments(
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[
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{ uri: 'test-uri-0' },
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{ uri: 'test-uri-1', map: { someProp: 1 } }
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],
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[
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{ uri: 'test-uri-0', map: { someProp: 100 } },
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{ uri: 'test-uri-1', map: { someProp: 99, uri: '4' } }
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],
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0
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),
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'copies over/overwrites properties without offset'
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);
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assert.deepEqual(
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[
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{ uri: 'test-uri-1', map: { someProp: 1 } },
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{ uri: 'test-uri-2', map: { someProp: 100, uri: '2' } }
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],
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updateSegments(
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[
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{ uri: 'test-uri-0' },
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{ uri: 'test-uri-1', map: { someProp: 1 } }
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],
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[
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{ uri: 'test-uri-1' },
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{ uri: 'test-uri-2', map: { someProp: 100, uri: '2' } }
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],
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1
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),
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'copies over/overwrites properties with offset of 1'
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);
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assert.deepEqual(
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[
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{ uri: 'test-uri-2' },
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{ uri: 'test-uri-3', map: { someProp: 100, uri: '2' } }
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],
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updateSegments(
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[
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{ uri: 'test-uri-0' },
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{ uri: 'test-uri-1', map: { someProp: 1 } }
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],
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[
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{ uri: 'test-uri-2' },
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{ uri: 'test-uri-3', map: { someProp: 100, uri: '2' } }
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],
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2
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),
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'copies over/overwrites properties with offset of 2'
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);
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});
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QUnit.test('updateMaster returns null when no playlists', function(assert) {
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const master = {
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playlists: []
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};
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const media = {};
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assert.deepEqual(updateMaster(master, media), null, 'returns null when no playlists');
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});
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QUnit.test('updateMaster returns null when no change', function(assert) {
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const master = {
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playlists: [{
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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uri: 'playlist-0-uri',
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id: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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};
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const media = {
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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uri: 'playlist-0-uri',
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id: 'playlist-0-uri',
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segments: [{
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duration: 10,
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uri: 'segment-0-uri'
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}]
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};
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assert.deepEqual(updateMaster(master, media), null, 'returns null');
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});
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QUnit.test('updateMaster updates master when new media sequence', function(assert) {
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const master = {
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playlists: [{
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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uri: 'playlist-0-uri',
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id: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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};
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const media = {
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 9
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},
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uri: 'playlist-0-uri',
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id: 'playlist-0-uri',
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segments: [{
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duration: 10,
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uri: 'segment-0-uri'
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}]
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};
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master.playlists[media.id] = master.playlists[0];
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assert.deepEqual(
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updateMaster(master, media),
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{
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playlists: [{
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 9
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},
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uri: 'playlist-0-uri',
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id: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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},
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'updates master when new media sequence'
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);
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});
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QUnit.test('updateMaster updates master when endList changes', function(assert) {
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const master = {
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playlists: [{
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endList: false,
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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};
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const media = {
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endList: true,
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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segments: [{
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duration: 10,
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uri: 'segment-0-uri'
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}]
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};
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master.playlists[media.id] = master.playlists[0];
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assert.deepEqual(
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updateMaster(master, media),
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{
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playlists: [{
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endList: true,
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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},
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'updates master when endList changes'
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);
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});
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QUnit.test('updateMaster retains top level values in master', function(assert) {
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const master = {
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mediaGroups: {
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AUDIO: {
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'GROUP-ID': {
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default: true,
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uri: 'audio-uri'
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}
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}
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},
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playlists: [{
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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};
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const media = {
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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segments: [{
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duration: 10,
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uri: 'segment-0-uri'
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}]
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};
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master.playlists[media.id] = master.playlists[0];
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assert.deepEqual(
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updateMaster(master, media),
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{
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mediaGroups: {
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AUDIO: {
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'GROUP-ID': {
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default: true,
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uri: 'audio-uri'
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}
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}
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},
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playlists: [{
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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},
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'retains top level values in master'
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);
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});
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QUnit.test('updateMaster adds new segments to master', function(assert) {
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const master = {
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mediaGroups: {
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AUDIO: {
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'GROUP-ID': {
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default: true,
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uri: 'audio-uri'
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}
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}
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},
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playlists: [{
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}]
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}]
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};
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const media = {
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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segments: [{
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duration: 10,
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uri: 'segment-0-uri'
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}, {
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duration: 9,
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uri: 'segment-1-uri'
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}]
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};
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master.playlists[media.id] = master.playlists[0];
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assert.deepEqual(
|
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updateMaster(master, media),
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{
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mediaGroups: {
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AUDIO: {
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'GROUP-ID': {
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default: true,
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uri: 'audio-uri'
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}
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}
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},
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playlists: [{
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
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resolvedUri: urlTo('segment-0-uri')
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}, {
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duration: 9,
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uri: 'segment-1-uri',
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resolvedUri: urlTo('segment-1-uri')
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}]
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}]
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},
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'adds new segment to master'
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);
|
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});
|
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QUnit.test('updateMaster changes old values', function(assert) {
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const master = {
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mediaGroups: {
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AUDIO: {
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'GROUP-ID': {
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default: true,
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uri: 'audio-uri'
|
|
}
|
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}
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},
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playlists: [{
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mediaSequence: 0,
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attributes: {
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BANDWIDTH: 9
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},
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id: 'playlist-0-uri',
|
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uri: 'playlist-0-uri',
|
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resolvedUri: urlTo('playlist-0-uri'),
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segments: [{
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duration: 10,
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uri: 'segment-0-uri',
|
|
resolvedUri: urlTo('segment-0-uri')
|
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}]
|
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}]
|
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};
|
|
const media = {
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mediaSequence: 1,
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attributes: {
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BANDWIDTH: 8,
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newField: 1
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},
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id: 'playlist-0-uri',
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uri: 'playlist-0-uri',
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segments: [{
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duration: 8,
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uri: 'segment-0-uri'
|
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}, {
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duration: 10,
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uri: 'segment-1-uri'
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}]
|
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};
|
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|
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master.playlists[media.id] = master.playlists[0];
|
|
|
|
assert.deepEqual(
|
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updateMaster(master, media),
|
|
{
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|
mediaGroups: {
|
|
AUDIO: {
|
|
'GROUP-ID': {
|
|
default: true,
|
|
uri: 'audio-uri'
|
|
}
|
|
}
|
|
},
|
|
playlists: [{
|
|
mediaSequence: 1,
|
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attributes: {
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BANDWIDTH: 8,
|
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newField: 1
|
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},
|
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id: 'playlist-0-uri',
|
|
uri: 'playlist-0-uri',
|
|
resolvedUri: urlTo('playlist-0-uri'),
|
|
segments: [{
|
|
duration: 8,
|
|
uri: 'segment-0-uri',
|
|
resolvedUri: urlTo('segment-0-uri')
|
|
}, {
|
|
duration: 10,
|
|
uri: 'segment-1-uri',
|
|
resolvedUri: urlTo('segment-1-uri')
|
|
}]
|
|
}]
|
|
},
|
|
'changes old values'
|
|
);
|
|
});
|
|
|
|
QUnit.test('updateMaster retains saved segment values', function(assert) {
|
|
const master = {
|
|
playlists: [{
|
|
mediaSequence: 0,
|
|
id: 'playlist-0-uri',
|
|
uri: 'playlist-0-uri',
|
|
resolvedUri: urlTo('playlist-0-uri'),
|
|
segments: [{
|
|
duration: 10,
|
|
uri: 'segment-0-uri',
|
|
resolvedUri: urlTo('segment-0-uri'),
|
|
startTime: 0,
|
|
endTime: 10
|
|
}]
|
|
}]
|
|
};
|
|
const media = {
|
|
mediaSequence: 0,
|
|
id: 'playlist-0-uri',
|
|
uri: 'playlist-0-uri',
|
|
segments: [{
|
|
duration: 8,
|
|
uri: 'segment-0-uri'
|
|
}, {
|
|
duration: 10,
|
|
uri: 'segment-1-uri'
|
|
}]
|
|
};
|
|
|
|
master.playlists[media.id] = master.playlists[0];
|
|
|
|
assert.deepEqual(
|
|
updateMaster(master, media),
|
|
{
|
|
playlists: [{
|
|
mediaSequence: 0,
|
|
id: 'playlist-0-uri',
|
|
uri: 'playlist-0-uri',
|
|
resolvedUri: urlTo('playlist-0-uri'),
|
|
segments: [{
|
|
duration: 8,
|
|
uri: 'segment-0-uri',
|
|
resolvedUri: urlTo('segment-0-uri'),
|
|
startTime: 0,
|
|
endTime: 10
|
|
}, {
|
|
duration: 10,
|
|
uri: 'segment-1-uri',
|
|
resolvedUri: urlTo('segment-1-uri')
|
|
}]
|
|
}]
|
|
},
|
|
'retains saved segment values'
|
|
);
|
|
});
|
|
|
|
QUnit.test('updateMaster resolves key and map URIs', function(assert) {
|
|
const master = {
|
|
playlists: [{
|
|
mediaSequence: 0,
|
|
attributes: {
|
|
BANDWIDTH: 9
|
|
},
|
|
id: 'playlist-0-uri',
|
|
uri: 'playlist-0-uri',
|
|
resolvedUri: urlTo('playlist-0-uri'),
|
|
segments: [{
|
|
duration: 10,
|
|
uri: 'segment-0-uri',
|
|
resolvedUri: urlTo('segment-0-uri')
|
|
}, {
|
|
duration: 10,
|
|
uri: 'segment-1-uri',
|
|
resolvedUri: urlTo('segment-1-uri')
|
|
}]
|
|
}]
|
|
};
|
|
const media = {
|
|
mediaSequence: 3,
|
|
attributes: {
|
|
BANDWIDTH: 9
|
|
},
|
|
id: 'playlist-0-uri',
|
|
uri: 'playlist-0-uri',
|
|
segments: [{
|
|
duration: 9,
|
|
uri: 'segment-2-uri',
|
|
key: {
|
|
uri: 'key-2-uri'
|
|
},
|
|
map: {
|
|
uri: 'map-2-uri'
|
|
}
|
|
}, {
|
|
duration: 11,
|
|
uri: 'segment-3-uri',
|
|
key: {
|
|
uri: 'key-3-uri'
|
|
},
|
|
map: {
|
|
uri: 'map-3-uri'
|
|
}
|
|
}]
|
|
};
|
|
|
|
master.playlists[media.id] = master.playlists[0];
|
|
|
|
assert.deepEqual(
|
|
updateMaster(master, media),
|
|
{
|
|
playlists: [{
|
|
mediaSequence: 3,
|
|
attributes: {
|
|
BANDWIDTH: 9
|
|
},
|
|
uri: 'playlist-0-uri',
|
|
id: 'playlist-0-uri',
|
|
resolvedUri: urlTo('playlist-0-uri'),
|
|
segments: [{
|
|
duration: 9,
|
|
uri: 'segment-2-uri',
|
|
resolvedUri: urlTo('segment-2-uri'),
|
|
key: {
|
|
uri: 'key-2-uri',
|
|
resolvedUri: urlTo('key-2-uri')
|
|
},
|
|
map: {
|
|
uri: 'map-2-uri',
|
|
resolvedUri: urlTo('map-2-uri')
|
|
}
|
|
}, {
|
|
duration: 11,
|
|
uri: 'segment-3-uri',
|
|
resolvedUri: urlTo('segment-3-uri'),
|
|
key: {
|
|
uri: 'key-3-uri',
|
|
resolvedUri: urlTo('key-3-uri')
|
|
},
|
|
map: {
|
|
uri: 'map-3-uri',
|
|
resolvedUri: urlTo('map-3-uri')
|
|
}
|
|
}]
|
|
}]
|
|
},
|
|
'resolves key and map URIs'
|
|
);
|
|
});
|
|
|
|
QUnit.test('uses last segment duration for refresh delay', function(assert) {
|
|
const media = { targetDuration: 7, segments: [] };
|
|
|
|
assert.equal(
|
|
refreshDelay(media, true), 3500,
|
|
'used half targetDuration when no segments'
|
|
);
|
|
|
|
media.segments = [ { duration: 6}, { duration: 4 }, { } ];
|
|
assert.equal(
|
|
refreshDelay(media, true), 3500,
|
|
'used half targetDuration when last segment duration cannot be determined'
|
|
);
|
|
|
|
media.segments = [ { duration: 6}, { duration: 4}, { duration: 5 } ];
|
|
assert.equal(refreshDelay(media, true), 5000, 'used last segment duration for delay');
|
|
|
|
assert.equal(
|
|
refreshDelay(media, false), 3500,
|
|
'used half targetDuration when update is false'
|
|
);
|
|
});
|
|
|
|
QUnit.test('throws if the playlist src is empty or undefined', function(assert) {
|
|
assert.throws(
|
|
() => new PlaylistLoader(),
|
|
/A non-empty playlist URL or object is required/,
|
|
'requires an argument'
|
|
);
|
|
assert.throws(
|
|
() => new PlaylistLoader(''),
|
|
/A non-empty playlist URL or object is required/,
|
|
'does not accept the empty string'
|
|
);
|
|
});
|
|
|
|
QUnit.test('starts without any metadata', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
assert.strictEqual(loader.state, 'HAVE_NOTHING', 'no metadata has loaded yet');
|
|
});
|
|
|
|
QUnit.test('requests the initial playlist immediately', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
assert.strictEqual(this.requests.length, 1, 'made a request');
|
|
assert.strictEqual(
|
|
this.requests[0].url,
|
|
'master.m3u8',
|
|
'requested the initial playlist'
|
|
);
|
|
});
|
|
|
|
QUnit.test('moves to HAVE_MASTER after loading a master playlist', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
let state;
|
|
|
|
loader.load();
|
|
|
|
loader.on('loadedplaylist', function() {
|
|
state = loader.state;
|
|
});
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'media.m3u8\n'
|
|
);
|
|
assert.ok(loader.master, 'the master playlist is available');
|
|
assert.strictEqual(state, 'HAVE_MASTER', 'the state at loadedplaylist correct');
|
|
});
|
|
|
|
QUnit.test('logs warning for master playlist with invalid STREAM-INF', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'video1/media.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:\n' +
|
|
'video2/media.m3u8\n'
|
|
);
|
|
|
|
assert.ok(loader.master, 'infers a master playlist');
|
|
assert.equal(
|
|
loader.master.playlists[1].uri, 'video2/media.m3u8',
|
|
'parsed invalid stream'
|
|
);
|
|
assert.ok(loader.master.playlists[1].attributes, 'attached attributes property');
|
|
assert.equal(this.env.log.warn.calls, 1, 'logged a warning');
|
|
assert.equal(
|
|
this.env.log.warn.args[0],
|
|
'Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.',
|
|
'logged a warning'
|
|
);
|
|
});
|
|
|
|
QUnit.test('executes custom parsers and mappers', function(assert) {
|
|
const customTagParsers = [{
|
|
expression: /#PARSER/,
|
|
customType: 'test',
|
|
segment: true
|
|
}];
|
|
const customTagMappers = [{
|
|
expression: /#MAPPER/,
|
|
map(line) {
|
|
const regex = /#MAPPER:(\d+)/g;
|
|
const match = regex.exec(line);
|
|
const ISOdate = new Date(Number(match[1])).toISOString();
|
|
|
|
return `#EXT-X-PROGRAM-DATE-TIME:${ISOdate}`;
|
|
}
|
|
}];
|
|
|
|
this.fakeVhs.options_ = { customTagParsers, customTagMappers };
|
|
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#PARSER:parsed\n' +
|
|
'#MAPPER:1511816599485\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
|
|
const segment = loader.master.playlists[0].segments[0];
|
|
|
|
assert.strictEqual(segment.custom.test, '#PARSER:parsed', 'parsed custom tag');
|
|
assert.ok(segment.dateTimeObject, 'converted and parsed custom time');
|
|
|
|
delete this.fakeVhs.options_;
|
|
});
|
|
|
|
QUnit.test(
|
|
'adds properties to playlists array when given a master playlist object',
|
|
function(assert) {
|
|
const masterPlaylist = JSON.parse(JSON.stringify(parseManifest({
|
|
manifestString: manifests.master
|
|
})));
|
|
const firstPlaylistId = createPlaylistID(0, masterPlaylist.playlists[0].uri);
|
|
|
|
assert.notOk(
|
|
firstPlaylistId in masterPlaylist.playlists,
|
|
'parsed manifest playlists array does not contain playlist ID property'
|
|
);
|
|
|
|
const loader = new PlaylistLoader(masterPlaylist, this.fakeVhs);
|
|
|
|
loader.load();
|
|
// even for vhs-json manifest objects, load is an async operation
|
|
this.clock.tick(1);
|
|
|
|
assert.ok(
|
|
firstPlaylistId in masterPlaylist.playlists,
|
|
'parsed manifest playlists array contains playlist ID property'
|
|
);
|
|
}
|
|
);
|
|
|
|
QUnit.test(
|
|
'jumps to HAVE_METADATA when initialized with a media playlist',
|
|
function(assert) {
|
|
let loadedmetadatas = 0;
|
|
const loader = new PlaylistLoader('media.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('loadedmetadata', function() {
|
|
loadedmetadatas++;
|
|
});
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.ok(loader.master, 'infers a master playlist');
|
|
assert.ok(loader.media(), 'sets the media playlist');
|
|
assert.ok(loader.media().uri, 'sets the media playlist URI');
|
|
assert.ok(loader.media().attributes, 'sets the media playlist attributes');
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'the state is correct');
|
|
assert.strictEqual(this.requests.length, 0, 'no more requests are made');
|
|
assert.strictEqual(loadedmetadatas, 1, 'fired one loadedmetadata');
|
|
}
|
|
);
|
|
|
|
QUnit.test(
|
|
'moves to HAVE_METADATA without a request when initialized with a media playlist' +
|
|
' object',
|
|
function(assert) {
|
|
const mediaPlaylist = parseManifest({ manifestString: manifests.media });
|
|
|
|
const loader = new PlaylistLoader(mediaPlaylist, this.fakeVhs);
|
|
let loadedmetadataEvents = 0;
|
|
|
|
loader.on('loadedmetadata', () => loadedmetadataEvents++);
|
|
loader.load();
|
|
|
|
assert.equal(this.requests.length, 0, 'no requests');
|
|
assert.equal(loadedmetadataEvents, 0, 'no loadedmetadata events');
|
|
assert.equal(loader.state, 'HAVE_NOTHING', 'state is HAVE_NOTHING');
|
|
|
|
// preparing of manifest by playlist loader is still asynchronous for source objects
|
|
this.clock.tick(1);
|
|
|
|
assert.equal(this.requests.length, 0, 'no requests');
|
|
assert.equal(loadedmetadataEvents, 1, 'one loadedmetadata event');
|
|
assert.ok(loader.master, 'inferred a master playlist');
|
|
assert.deepEqual(mediaPlaylist, loader.media(), 'set the media playlist');
|
|
assert.equal(loader.state, 'HAVE_METADATA', 'state is HAVE_METADATA');
|
|
}
|
|
);
|
|
|
|
QUnit.test(
|
|
'stays at HAVE_MASTER and makes a request when initialized with a master playlist ' +
|
|
'without resolved media playlists',
|
|
function(assert) {
|
|
const masterPlaylist = parseManifest({ manifestString: manifests.master });
|
|
|
|
const loader = new PlaylistLoader(masterPlaylist, this.fakeVhs);
|
|
let loadedmetadataEvents = 0;
|
|
|
|
loader.on('loadedmetadata', () => loadedmetadataEvents++);
|
|
loader.load();
|
|
|
|
assert.equal(this.requests.length, 0, 'no requests');
|
|
assert.equal(loadedmetadataEvents, 0, 'no loadedmetadata events');
|
|
assert.equal(loader.state, 'HAVE_NOTHING', 'state is HAVE_NOTHING');
|
|
|
|
// preparing of manifest by playlist loader is still asynchronous for source objects
|
|
this.clock.tick(1);
|
|
|
|
assert.equal(this.requests.length, 1, 'one request');
|
|
assert.equal(loadedmetadataEvents, 0, 'no loadedmetadata event');
|
|
assert.deepEqual(loader.master, masterPlaylist, 'set the master playlist');
|
|
assert.equal(loader.state, 'SWITCHING_MEDIA', 'state is SWITCHING_MEDIA');
|
|
}
|
|
);
|
|
|
|
QUnit.test(
|
|
'moves to HAVE_METADATA without a request when initialized with a master playlist ' +
|
|
'object with resolved media playlists',
|
|
function(assert) {
|
|
const masterPlaylist = parseManifest({ manifestString: manifests.master });
|
|
const mediaPlaylist = parseManifest({ manifestString: manifests.media });
|
|
|
|
// since the playlist is getting overwritten in the master (to fake a resolved media
|
|
// playlist), attributes should be copied over to prevent warnings or errors due to
|
|
// a missing BANDWIDTH attribute
|
|
mediaPlaylist.attributes = masterPlaylist.playlists[0].attributes;
|
|
|
|
// If no playlist is selected after the first loadedplaylist event, then playlist loader
|
|
// defaults to the first playlist. Here it's already resolved, so loadedmetadata should
|
|
// fire immediately.
|
|
masterPlaylist.playlists[0] = mediaPlaylist;
|
|
|
|
const loader = new PlaylistLoader(masterPlaylist, this.fakeVhs);
|
|
let loadedmetadataEvents = 0;
|
|
|
|
loader.on('loadedmetadata', () => loadedmetadataEvents++);
|
|
loader.load();
|
|
|
|
assert.equal(this.requests.length, 0, 'no requests');
|
|
assert.equal(loadedmetadataEvents, 0, 'no loadedmetadata events');
|
|
assert.equal(loader.state, 'HAVE_NOTHING', 'state is HAVE_NOTHING');
|
|
|
|
// preparing of manifest by playlist loader is still asynchronous for source objects
|
|
this.clock.tick(1);
|
|
|
|
assert.equal(this.requests.length, 0, 'no requests');
|
|
assert.equal(loadedmetadataEvents, 1, 'one loadedmetadata event');
|
|
assert.deepEqual(loader.master, masterPlaylist, 'set the master playlist');
|
|
assert.deepEqual(mediaPlaylist, loader.media(), 'set the media playlist');
|
|
assert.equal(loader.state, 'HAVE_METADATA', 'state is HAVE_METADATA');
|
|
}
|
|
);
|
|
|
|
QUnit.test('resolves relative media playlist URIs', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'video/media.m3u8\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists[0].resolvedUri, urlTo('video/media.m3u8'),
|
|
'resolved media URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test('resolves media initialization segment URIs', function(assert) {
|
|
const loader = new PlaylistLoader('video/fmp4.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MAP:URI="main.mp4",BYTERANGE="720@0"\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
|
|
assert.equal(
|
|
loader.media().segments[0].map.resolvedUri, urlTo('video/main.mp4'),
|
|
'resolved init segment URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test('recognizes redirect, when media requested', function(assert) {
|
|
const loader = new PlaylistLoader('manifest/media.m3u8', this.fakeVhs, {
|
|
handleManifestRedirects: true
|
|
});
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'/media.m3u8\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists[0].resolvedUri,
|
|
window.location.protocol + '//' +
|
|
window.location.host + '/media.m3u8',
|
|
'resolved media URI'
|
|
);
|
|
|
|
const mediaRequest = this.requests.shift();
|
|
|
|
mediaRequest.responseURL = window.location.protocol + '//' +
|
|
'foo-bar.com/media.m3u8';
|
|
mediaRequest.respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'/00001.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.media().segments[0].resolvedUri,
|
|
window.location.protocol + '//' +
|
|
'foo-bar.com/00001.ts',
|
|
'resolved segment URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test('recognizes absolute URIs and requests them unmodified', function(assert) {
|
|
const loader = new PlaylistLoader('manifest/media.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'http://example.com/video/media.m3u8\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists[0].resolvedUri,
|
|
'http://example.com/video/media.m3u8', 'resolved media URI'
|
|
);
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'http://example.com/00001.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.media().segments[0].resolvedUri,
|
|
'http://example.com/00001.ts', 'resolved segment URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test('recognizes domain-relative URLs', function(assert) {
|
|
const loader = new PlaylistLoader('manifest/media.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'/media.m3u8\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists[0].resolvedUri,
|
|
window.location.protocol + '//' +
|
|
window.location.host + '/media.m3u8',
|
|
'resolved media URI'
|
|
);
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'/00001.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.media().segments[0].resolvedUri,
|
|
window.location.protocol + '//' +
|
|
window.location.host + '/00001.ts',
|
|
'resolved segment URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test('recognizes key URLs relative to master and playlist', function(assert) {
|
|
const loader = new PlaylistLoader('/video/media-encrypted.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=17\n' +
|
|
'playlist/playlist.m3u8\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists[0].resolvedUri,
|
|
window.location.protocol + '//' +
|
|
window.location.host + '/video/playlist/playlist.m3u8',
|
|
'resolved media URI'
|
|
);
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-TARGETDURATION:15\n' +
|
|
'#EXT-X-KEY:METHOD=AES-128,URI="keys/key.php"\n' +
|
|
'#EXTINF:2.833,\n' +
|
|
'http://example.com/000001.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.media().segments[0].key.resolvedUri,
|
|
window.location.protocol + '//' +
|
|
window.location.host + '/video/playlist/keys/key.php',
|
|
'resolved multiple relative paths for key URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test('trigger an error event when a media playlist 404s', function(assert) {
|
|
let count = 0;
|
|
const loader = new PlaylistLoader('manifest/master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('error', function() {
|
|
count += 1;
|
|
});
|
|
|
|
// master
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=17\n' +
|
|
'playlist/playlist.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:PROGRAM-ID=2,BANDWIDTH=170\n' +
|
|
'playlist/playlist2.m3u8\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
count, 0,
|
|
'error not triggered before requesting playlist'
|
|
);
|
|
|
|
// playlist
|
|
this.requests.shift().respond(404);
|
|
|
|
assert.equal(
|
|
count, 1,
|
|
'error triggered after playlist 404'
|
|
);
|
|
});
|
|
|
|
QUnit.test('recognizes absolute key URLs', function(assert) {
|
|
const loader = new PlaylistLoader('/video/media-encrypted.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=17\n' +
|
|
'playlist/playlist.m3u8\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists[0].resolvedUri,
|
|
window.location.protocol + '//' +
|
|
window.location.host + '/video/playlist/playlist.m3u8',
|
|
'resolved media URI'
|
|
);
|
|
|
|
this.requests.shift().respond(
|
|
200,
|
|
null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-TARGETDURATION:15\n' +
|
|
'#EXT-X-KEY:METHOD=AES-128,URI="http://example.com/keys/key.php"\n' +
|
|
'#EXTINF:2.833,\n' +
|
|
'http://example.com/000001.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.equal(
|
|
loader.media().segments[0].key.resolvedUri,
|
|
'http://example.com/keys/key.php', 'resolved absolute path for key URI'
|
|
);
|
|
});
|
|
|
|
QUnit.test(
|
|
'jumps to HAVE_METADATA when initialized with a live media playlist',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('media.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
assert.ok(loader.master, 'infers a master playlist');
|
|
assert.ok(loader.media(), 'sets the media playlist');
|
|
assert.ok(loader.media().attributes, 'sets the media playlist attributes');
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'the state is correct');
|
|
}
|
|
);
|
|
|
|
QUnit.test('moves to HAVE_METADATA after loading a media playlist', function(assert) {
|
|
let loadedPlaylist = 0;
|
|
let loadedMetadata = 0;
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('loadedplaylist', function() {
|
|
loadedPlaylist++;
|
|
});
|
|
loader.on('loadedmetadata', function() {
|
|
loadedMetadata++;
|
|
});
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'media.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'alt.m3u8\n'
|
|
);
|
|
assert.strictEqual(loadedPlaylist, 1, 'fired loadedplaylist once');
|
|
assert.strictEqual(loadedMetadata, 0, 'did not fire loadedmetadata');
|
|
assert.strictEqual(this.requests.length, 1, 'requests the media playlist');
|
|
assert.strictEqual(this.requests[0].method, 'GET', 'GETs the media playlist');
|
|
assert.strictEqual(
|
|
this.requests[0].url,
|
|
urlTo('media.m3u8'),
|
|
'requests the first playlist'
|
|
);
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
assert.ok(loader.master, 'sets the master playlist');
|
|
assert.ok(loader.media(), 'sets the media playlist');
|
|
assert.strictEqual(loadedPlaylist, 2, 'fired loadedplaylist twice');
|
|
assert.strictEqual(loadedMetadata, 1, 'fired loadedmetadata once');
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'the state is correct');
|
|
});
|
|
|
|
QUnit.test('defaults missing media groups for a media playlist', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
|
|
assert.ok(loader.master.mediaGroups.AUDIO, 'defaulted audio');
|
|
assert.ok(loader.master.mediaGroups.VIDEO, 'defaulted video');
|
|
assert.ok(loader.master.mediaGroups['CLOSED-CAPTIONS'], 'defaulted closed captions');
|
|
assert.ok(loader.master.mediaGroups.SUBTITLES, 'defaulted subtitles');
|
|
});
|
|
|
|
QUnit.test(
|
|
'moves to HAVE_CURRENT_METADATA when refreshing the playlist',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// 10s, one target duration
|
|
this.clock.tick(10 * 1000);
|
|
assert.strictEqual(loader.state, 'HAVE_CURRENT_METADATA', 'the state is correct');
|
|
assert.strictEqual(this.requests.length, 1, 'requested playlist');
|
|
assert.strictEqual(
|
|
this.requests[0].url,
|
|
urlTo('live.m3u8'),
|
|
'refreshes the media playlist'
|
|
);
|
|
}
|
|
);
|
|
|
|
QUnit.test('returns to HAVE_METADATA after refreshing the playlist', function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// 10s, one target duration
|
|
this.clock.tick(10 * 1000);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXTINF:10,\n' +
|
|
'1.ts\n'
|
|
);
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'the state is correct');
|
|
});
|
|
|
|
QUnit.test('refreshes the playlist after last segment duration', function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
let refreshes = 0;
|
|
|
|
loader.on('mediaupdatetimeout', () => refreshes++);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-TARGETDURATION:10\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n' +
|
|
'#EXTINF:4\n' +
|
|
'1.ts\n'
|
|
);
|
|
// 4s, last segment duration
|
|
this.clock.tick(4 * 1000);
|
|
|
|
assert.equal(refreshes, 1, 'refreshed playlist after last segment duration');
|
|
});
|
|
|
|
QUnit.test('emits an error when an initial playlist request fails', function(assert) {
|
|
const errors = [];
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('error', function() {
|
|
errors.push(loader.error);
|
|
});
|
|
this.requests.pop().respond(500);
|
|
|
|
assert.strictEqual(errors.length, 1, 'emitted one error');
|
|
assert.strictEqual(errors[0].status, 500, 'http status is captured');
|
|
});
|
|
|
|
QUnit.test('errors when an initial media playlist request fails', function(assert) {
|
|
const errors = [];
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('error', function() {
|
|
errors.push(loader.error);
|
|
});
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'media.m3u8\n'
|
|
);
|
|
|
|
assert.strictEqual(errors.length, 0, 'emitted no errors');
|
|
|
|
this.requests.pop().respond(500);
|
|
|
|
assert.strictEqual(errors.length, 1, 'emitted one error');
|
|
assert.strictEqual(errors[0].status, 500, 'http status is captured');
|
|
});
|
|
|
|
// http://tools.ietf.org/html/draft-pantos-http-live-streaming-12#section-6.3.4
|
|
QUnit.test(
|
|
'halves the refresh timeout if a playlist is unchanged since the last reload',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// trigger a refresh
|
|
this.clock.tick(10 * 1000);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// half the default target-duration
|
|
this.clock.tick(5 * 1000);
|
|
|
|
assert.strictEqual(this.requests.length, 1, 'sent a request');
|
|
assert.strictEqual(
|
|
this.requests[0].url,
|
|
urlTo('live.m3u8'),
|
|
'requested the media playlist'
|
|
);
|
|
}
|
|
);
|
|
|
|
QUnit.test('preserves segment metadata across playlist refreshes', function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n' +
|
|
'#EXTINF:10,\n' +
|
|
'1.ts\n' +
|
|
'#EXTINF:10,\n' +
|
|
'2.ts\n'
|
|
);
|
|
// add PTS info to 1.ts
|
|
const segment = loader.media().segments[1];
|
|
|
|
segment.minVideoPts = 14;
|
|
segment.maxAudioPts = 27;
|
|
segment.preciseDuration = 10.045;
|
|
|
|
// trigger a refresh
|
|
this.clock.tick(10 * 1000);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:1\n' +
|
|
'#EXTINF:10,\n' +
|
|
'1.ts\n' +
|
|
'#EXTINF:10,\n' +
|
|
'2.ts\n'
|
|
);
|
|
|
|
assert.deepEqual(loader.media().segments[0], segment, 'preserved segment attributes');
|
|
});
|
|
|
|
QUnit.test('clears the update timeout when switching quality', function(assert) {
|
|
const loader = new PlaylistLoader('live-master.m3u8', this.fakeVhs);
|
|
let refreshes = 0;
|
|
|
|
loader.load();
|
|
|
|
// track the number of playlist refreshes triggered
|
|
loader.on('mediaupdatetimeout', function() {
|
|
refreshes++;
|
|
});
|
|
// deliver the master
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'live-low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'live-high.m3u8\n'
|
|
);
|
|
// deliver the low quality playlist
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n'
|
|
);
|
|
// change to a higher quality playlist
|
|
loader.media('1-live-high.m3u8');
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'high-0.ts\n'
|
|
);
|
|
// trigger a refresh
|
|
this.clock.tick(10 * 1000);
|
|
|
|
assert.equal(1, refreshes, 'only one refresh was triggered');
|
|
});
|
|
|
|
QUnit.test('media-sequence updates are considered a playlist change', function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// trigger a refresh
|
|
this.clock.tick(10 * 1000);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:1\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// half the default target-duration
|
|
this.clock.tick(5 * 1000);
|
|
|
|
assert.strictEqual(this.requests.length, 0, 'no request is sent');
|
|
});
|
|
|
|
QUnit.test('emits an error if a media refresh fails', function(assert) {
|
|
let errors = 0;
|
|
const errorResponseText = 'custom error message';
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('error', function() {
|
|
errors++;
|
|
});
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
// trigger a refresh
|
|
this.clock.tick(10 * 1000);
|
|
this.requests.pop().respond(500, null, errorResponseText);
|
|
|
|
assert.strictEqual(errors, 1, 'emitted an error');
|
|
assert.strictEqual(loader.error.status, 500, 'captured the status code');
|
|
assert.strictEqual(
|
|
loader.error.responseText,
|
|
errorResponseText,
|
|
'captured the responseText'
|
|
);
|
|
});
|
|
|
|
QUnit.test('switches media playlists when requested', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n'
|
|
);
|
|
|
|
loader.media(loader.master.playlists[1]);
|
|
assert.strictEqual(loader.state, 'SWITCHING_MEDIA', 'updated the state');
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'high-0.ts\n'
|
|
);
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'switched active media');
|
|
assert.strictEqual(
|
|
loader.media(),
|
|
loader.master.playlists[1],
|
|
'updated the active media'
|
|
);
|
|
});
|
|
|
|
QUnit.test(
|
|
'can switch playlists immediately after the master is downloaded',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
loader.on('loadedplaylist', function() {
|
|
loader.media('1-high.m3u8');
|
|
});
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
assert.equal(this.requests[0].url, urlTo('high.m3u8'), 'switched variants immediately');
|
|
}
|
|
);
|
|
|
|
QUnit.test('can switch media playlists based on ID', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n'
|
|
);
|
|
|
|
loader.media('1-high.m3u8');
|
|
assert.strictEqual(loader.state, 'SWITCHING_MEDIA', 'updated the state');
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'high-0.ts\n'
|
|
);
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'switched active media');
|
|
assert.strictEqual(
|
|
loader.media(),
|
|
loader.master.playlists[1],
|
|
'updated the active media'
|
|
);
|
|
});
|
|
|
|
QUnit.test('aborts in-flight playlist refreshes when switching', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n'
|
|
);
|
|
this.clock.tick(10 * 1000);
|
|
loader.media('1-high.m3u8');
|
|
assert.strictEqual(this.requests[0].aborted, true, 'aborted refresh request');
|
|
assert.ok(
|
|
!this.requests[0].onreadystatechange,
|
|
'onreadystatechange handlers should be removed on abort'
|
|
);
|
|
assert.strictEqual(loader.state, 'SWITCHING_MEDIA', 'updated the state');
|
|
});
|
|
|
|
QUnit.test('switching to the active playlist is a no-op', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
loader.media('0-low.m3u8');
|
|
|
|
assert.strictEqual(this.requests.length, 0, 'no requests are sent');
|
|
});
|
|
|
|
QUnit.test('switching to the active live playlist is a no-op', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n'
|
|
);
|
|
loader.media('0-low.m3u8');
|
|
|
|
assert.strictEqual(this.requests.length, 0, 'no requests are sent');
|
|
});
|
|
|
|
QUnit.test(
|
|
'switches back to loaded playlists without re-requesting them',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
loader.media('1-high.m3u8');
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'high-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
loader.media('0-low.m3u8');
|
|
|
|
assert.strictEqual(this.requests.length, 0, 'no outstanding requests');
|
|
assert.strictEqual(loader.state, 'HAVE_METADATA', 'returned to loaded playlist');
|
|
}
|
|
);
|
|
|
|
QUnit.test(
|
|
'aborts outstanding requests if switching back to an already loaded playlist',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
loader.media('1-high.m3u8');
|
|
loader.media('0-low.m3u8');
|
|
|
|
assert.strictEqual(
|
|
this.requests.length,
|
|
1,
|
|
'requested high playlist'
|
|
);
|
|
assert.ok(
|
|
this.requests[0].aborted,
|
|
'aborted playlist request'
|
|
);
|
|
assert.ok(
|
|
!this.requests[0].onreadystatechange,
|
|
'onreadystatechange handlers should be removed on abort'
|
|
);
|
|
assert.strictEqual(
|
|
loader.state,
|
|
'HAVE_METADATA',
|
|
'returned to loaded playlist'
|
|
);
|
|
assert.strictEqual(
|
|
loader.media(),
|
|
loader.master.playlists[0],
|
|
'switched to loaded playlist'
|
|
);
|
|
}
|
|
);
|
|
|
|
QUnit.test(
|
|
'does not abort requests when the same playlist is re-requested',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
loader.media('1-high.m3u8');
|
|
loader.media('1-high.m3u8');
|
|
|
|
assert.strictEqual(this.requests.length, 1, 'made only one request');
|
|
assert.ok(!this.requests[0].aborted, 'request not aborted');
|
|
}
|
|
);
|
|
|
|
QUnit.test('throws an error if a media switch is initiated too early', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
assert.throws(function() {
|
|
loader.media('1-high.m3u8');
|
|
}, 'threw an error from HAVE_NOTHING');
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
});
|
|
|
|
QUnit.test(
|
|
'throws an error if a switch to an unrecognized playlist is requested',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'media.m3u8\n'
|
|
);
|
|
|
|
assert.throws(function() {
|
|
loader.media('unrecognized.m3u8');
|
|
}, 'throws an error');
|
|
}
|
|
);
|
|
|
|
QUnit.test('dispose cancels the refresh timeout', function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
loader.dispose();
|
|
// a lot of time passes...
|
|
this.clock.tick(15 * 1000);
|
|
|
|
assert.strictEqual(this.requests.length, 0, 'no refresh request was made');
|
|
});
|
|
|
|
QUnit.test('dispose aborts pending refresh requests', function(assert) {
|
|
const loader = new PlaylistLoader('live.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'0.ts\n'
|
|
);
|
|
this.clock.tick(10 * 1000);
|
|
|
|
loader.dispose();
|
|
assert.ok(this.requests[0].aborted, 'refresh request aborted');
|
|
assert.ok(
|
|
!this.requests[0].onreadystatechange,
|
|
'onreadystatechange handler should not exist after dispose called'
|
|
);
|
|
});
|
|
|
|
QUnit.test('errors if requests take longer than 45s', function(assert) {
|
|
const loader = new PlaylistLoader('media.m3u8', this.fakeVhs);
|
|
let errors = 0;
|
|
|
|
loader.load();
|
|
|
|
loader.on('error', function() {
|
|
errors++;
|
|
});
|
|
this.clock.tick(45 * 1000);
|
|
|
|
assert.strictEqual(errors, 1, 'fired one error');
|
|
assert.strictEqual(loader.error.code, 2, 'fired a network error');
|
|
});
|
|
|
|
QUnit.test('triggers an event when the active media changes', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
let mediaChanges = 0;
|
|
let mediaChangings = 0;
|
|
let loadedPlaylists = 0;
|
|
let loadedMetadata = 0;
|
|
|
|
loader.on('mediachange', () => {
|
|
mediaChanges++;
|
|
});
|
|
loader.on('mediachanging', () => {
|
|
mediaChangings++;
|
|
});
|
|
loader.on('loadedplaylist', () => {
|
|
loadedPlaylists++;
|
|
});
|
|
loader.on('loadedmetadata', () => {
|
|
loadedMetadata++;
|
|
});
|
|
|
|
loader.load();
|
|
this.requests.pop().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1\n' +
|
|
'low.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2\n' +
|
|
'high.m3u8\n'
|
|
);
|
|
assert.strictEqual(loadedPlaylists, 1, 'trigger loadedplaylist');
|
|
assert.strictEqual(loadedMetadata, 0, 'no loadedmetadata yet');
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.strictEqual(mediaChangings, 0, 'initial selection is not a media changing');
|
|
assert.strictEqual(mediaChanges, 0, 'initial selection is not a media change');
|
|
assert.strictEqual(loadedPlaylists, 2, 'two loadedplaylists');
|
|
assert.strictEqual(loadedMetadata, 1, 'fired loadedMetadata');
|
|
|
|
loader.media('1-high.m3u8');
|
|
assert.strictEqual(mediaChangings, 1, 'mediachanging fires immediately');
|
|
assert.strictEqual(mediaChanges, 0, 'mediachange does not fire immediately');
|
|
assert.strictEqual(loadedPlaylists, 2, 'still two loadedplaylists');
|
|
assert.strictEqual(loadedMetadata, 1, 'still one loadedmetadata');
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'high-0.ts\n' +
|
|
'#EXT-X-ENDLIST\n'
|
|
);
|
|
assert.strictEqual(mediaChangings, 1, 'still one mediachanging');
|
|
assert.strictEqual(mediaChanges, 1, 'fired a mediachange');
|
|
assert.strictEqual(loadedPlaylists, 3, 'three loadedplaylists');
|
|
assert.strictEqual(loadedMetadata, 1, 'still one loadedmetadata');
|
|
|
|
// switch back to an already loaded playlist
|
|
loader.media('0-low.m3u8');
|
|
assert.strictEqual(this.requests.length, 0, 'no requests made');
|
|
assert.strictEqual(mediaChangings, 2, 'mediachanging fires');
|
|
assert.strictEqual(mediaChanges, 2, 'fired a mediachange');
|
|
assert.strictEqual(loadedPlaylists, 3, 'still three loadedplaylists');
|
|
assert.strictEqual(loadedMetadata, 1, 'still one loadedmetadata');
|
|
|
|
// trigger a no-op switch
|
|
loader.media('0-low.m3u8');
|
|
assert.strictEqual(this.requests.length, 0, 'no requests made');
|
|
assert.strictEqual(mediaChangings, 2, 'mediachanging ignored the no-op');
|
|
assert.strictEqual(mediaChanges, 2, 'ignored a no-op media change');
|
|
assert.strictEqual(loadedPlaylists, 3, 'still three loadedplaylists');
|
|
assert.strictEqual(loadedMetadata, 1, 'still one loadedmetadata');
|
|
});
|
|
|
|
QUnit.test(
|
|
'does not misintrepret playlists missing newlines at the end',
|
|
function(assert) {
|
|
const loader = new PlaylistLoader('media.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
// no newline
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-MEDIA-SEQUENCE:0\n' +
|
|
'#EXTINF:10,\n' +
|
|
'low-0.ts\n' +
|
|
'#EXT-X-ENDLIST'
|
|
);
|
|
assert.ok(loader.media().endList, 'flushed the final line of input');
|
|
}
|
|
);
|
|
|
|
QUnit.test('Supports multiple STREAM-INF with the same URI', function(assert) {
|
|
const loader = new PlaylistLoader('master.m3u8', this.fakeVhs);
|
|
|
|
loader.load();
|
|
|
|
this.requests.shift().respond(
|
|
200, null,
|
|
'#EXTM3U\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=1,AUDIO="aud0"\n' +
|
|
'video/media.m3u8\n' +
|
|
'#EXT-X-STREAM-INF:BANDWIDTH=2,AUDIO="aud1"\n' +
|
|
'video/media.m3u8\n'
|
|
);
|
|
assert.equal(
|
|
loader.master.playlists['0-video/media.m3u8'].id,
|
|
loader.master.playlists[0].id,
|
|
'created key based on playlist id'
|
|
);
|
|
|
|
assert.equal(
|
|
loader.master.playlists['1-video/media.m3u8'].id,
|
|
loader.master.playlists[1].id,
|
|
'created key based on playlist id'
|
|
);
|
|
});
|