Add test for multipe rendition groups

test/fixtures/m3u8/Multiple-rendition-groups.m3u8

@@ -0,0 +1,17 @@
+#EXTM3U
+#EXT-X-VERSION:4
+#EXT-X-INDEPENDENT-SEGMENTS
+#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac_high",NAME="English",DEFAULT=YES,URI="aac_high_eng.m3u8"
+#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac_high",NAME="Japanese",DEFAULT=NO,URI="aac_high_jp.m3u8"
+#EXT-X-STREAM-INF:BANDWIDTH=6000000,AUDIO="aac_high"
+1080p.m3u8
+#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac_mid",NAME="English",DEFAULT=YES,URI="aac_mid_eng.m3u8"
+#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac_mid",NAME="Japanese",DEFAULT=NO,URI="aac_mid_jp.m3u8"
+#EXT-X-STREAM-INF:BANDWIDTH=3000000,AUDIO="aac_mid"
+720p.m3u8
+#EXT-X-STREAM-INF:BANDWIDTH=1500000,AUDIO="aac_mid"
+540p.m3u8
+#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac_low",NAME="English",DEFAULT=YES,URI="aac_low_eng.m3u8"
+#EXT-X-MEDIA:TYPE=AUDIO,GROUP-ID="aac_low",NAME="Japanese",DEFAULT=NO,URI="aac_low_jp.m3u8"
+#EXT-X-STREAM-INF:BANDWIDTH=1000000,AUDIO="aac_low"
+360p.m3u8

test/fixtures/objects/Multiple-rendition-groups.js

@@ -0,0 +1,28 @@
+const {MasterPlaylist, Variant, Rendition} = require('../../../types');
+
+const renditions = [
+  new Rendition({type: 'AUDIO', groupId: 'aac_high', name: 'English', isDefault: true, uri: 'aac_high_eng.m3u8'}),
+  new Rendition({type: 'AUDIO', groupId: 'aac_high', name: 'Japanese', isDefault: false, uri: 'aac_high_jp.m3u8'}),
+  new Rendition({type: 'AUDIO', groupId: 'aac_mid', name: 'English', isDefault: true, uri: 'aac_mid_eng.m3u8'}),
+  new Rendition({type: 'AUDIO', groupId: 'aac_mid', name: 'Japanese', isDefault: false, uri: 'aac_mid_jp.m3u8'}),
+  new Rendition({type: 'AUDIO', groupId: 'aac_low', name: 'English', isDefault: true, uri: 'aac_low_eng.m3u8'}),
+  new Rendition({type: 'AUDIO', groupId: 'aac_low', name: 'Japanese', isDefault: false, uri: 'aac_low_jp.m3u8'}),
+];
+const variants = [
+  {uri: '1080p.m3u8', bandwidth: 6000000, audioId: 'aac_high'},
+  {uri: '720p.m3u8', bandwidth: 3000000, audioId: 'aac_mid'},
+  {uri: '540p.m3u8', bandwidth: 1500000, audioId: 'aac_mid'},
+  {uri: '360p.m3u8', bandwidth: 1000000, audioId: 'aac_low'},
+].map(
+  ({uri, bandwidth, audioId}) => new Variant({
+    uri, bandwidth, audio: renditions.filter(({groupId}) => groupId === audioId)
+  })
+);
+
+const playlist = new MasterPlaylist({
+  version: 4,
+  independentSegments: true,
+  variants,
+});
+
+module.exports = playlist;