add unit tests for initial track selection based in accessibility pro…

…perty
Dash-Industry-Forum · Sep 1, 2022 · b513d27 · b513d27
1 parent e20ed87
commit b513d27
Showing 1 changed file with 141 additions and 0 deletions.
diff --git a/test/unit/streaming.controllers.MediaController.js b/test/unit/streaming.controllers.MediaController.js
@@ -334,6 +334,39 @@ describe('MediaController', function () {
     });
 
     describe('Initial Track Management', function () {
+        const streamInfo = {
+            id: 'id'
+        };
+        const enTrack = {
+            type: trackType,
+            streamInfo: streamInfo,
+            lang: 'en',
+            viewpoint: null,
+            roles: ['Main'],
+            accessibility: [],
+            audioChannelConfiguration: 6,
+            selectionPriority: 2
+        };
+        const enADTrack = {
+            type: trackType,
+            streamInfo: streamInfo,
+            lang: 'en',
+            viewpoint: null,
+            roles: ['alternate'],
+            accessibility: ['1'],
+            audioChannelConfiguration: 6,
+            selectionPriority: 3
+        };
+        const esTrack = {
+            type: trackType,
+            streamInfo: streamInfo,
+            lang: 'es',
+            viewpoint: null,
+            roles: ['dub'],
+            accessibility: [],
+            audioChannelConfiguration: 2,
+            selectionPriority: 4
+        };
 
         it('should check initial media settings to choose initial track', function () {
             let streamInfo = {
@@ -449,6 +482,114 @@ describe('MediaController', function () {
             currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
             expect(objectUtils.areEqual(currentTrack, qtzTrack)).to.be.true; // jshint ignore:line
         });
+
+        it('should check initial media settings to choose initial track with a lang and absent accessibility setting', function () {
+            mediaController.addTrack(enTrack);
+            mediaController.addTrack(enADTrack);
+            mediaController.addTrack(esTrack);
+
+            let trackList = mediaController.getTracksFor(trackType, streamInfo.id);
+            expect(trackList).to.have.lengthOf(3);
+            expect(objectUtils.areEqual(trackList[0], enTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[1], enADTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[2], esTrack)).to.be.true; // jshint ignore:line
+
+            let currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, enADTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, esTrack)).to.be.false; // jshint ignore:line
+
+            // call to setInitialMediaSettingsForType
+            mediaController.setInitialSettings(trackType, {
+                lang: 'en'
+            });
+            mediaController.setInitialMediaSettingsForType(trackType, streamInfo);
+
+            currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enTrack)).to.be.true; // jshint ignore:line
+        });
+
+        it('should check initial media settings to choose initial track with a lang and empty accessibility setting', function () {
+            mediaController.addTrack(enTrack);
+            mediaController.addTrack(enADTrack);
+            mediaController.addTrack(esTrack);
+
+            let trackList = mediaController.getTracksFor(trackType, streamInfo.id);
+            expect(trackList).to.have.lengthOf(3);
+            expect(objectUtils.areEqual(trackList[0], enTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[1], enADTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[2], esTrack)).to.be.true; // jshint ignore:line
+
+            let currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, enADTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, esTrack)).to.be.false; // jshint ignore:line
+
+            // call to setInitialMediaSettingsForType
+            mediaController.setInitialSettings(trackType, {
+                lang: 'en',
+                accessibility: ''
+            });
+            mediaController.setInitialMediaSettingsForType(trackType, streamInfo);
+
+            currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enTrack)).to.be.true; // jshint ignore:line
+        });
+
+        it('should check initial media settings to choose initial track with a lang and accessibility', function () {
+            mediaController.addTrack(enTrack);
+            mediaController.addTrack(enADTrack);
+            mediaController.addTrack(esTrack);
+
+            let trackList = mediaController.getTracksFor(trackType, streamInfo.id);
+            expect(trackList).to.have.lengthOf(3);
+            expect(objectUtils.areEqual(trackList[0], enTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[1], enADTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[2], esTrack)).to.be.true; // jshint ignore:line
+
+            let currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, enADTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, esTrack)).to.be.false; // jshint ignore:line
+
+            // call to setInitialMediaSettingsForType
+            mediaController.setInitialSettings(trackType, {
+                lang: 'en',
+                accessibility: 'description'
+            });
+            mediaController.setInitialMediaSettingsForType(trackType, streamInfo);
+
+            currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enADTrack)).to.be.true; // jshint ignore:line
+        });
+
+        it('should check initial media settings to choose initial accessibility track where media has no accessibility for requested language', function () {
+            mediaController.addTrack(enTrack);
+            mediaController.addTrack(enADTrack);
+            mediaController.addTrack(esTrack);
+
+            let trackList = mediaController.getTracksFor(trackType, streamInfo.id);
+            expect(trackList).to.have.lengthOf(3);
+            expect(objectUtils.areEqual(trackList[0], enTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[1], enADTrack)).to.be.true; // jshint ignore:line
+            expect(objectUtils.areEqual(trackList[2], esTrack)).to.be.true; // jshint ignore:line
+
+            let currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, enTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, enADTrack)).to.be.false; // jshint ignore:line
+            expect(objectUtils.areEqual(currentTrack, esTrack)).to.be.false; // jshint ignore:line
+
+            // call to setInitialMediaSettingsForType
+            mediaController.setInitialSettings(trackType, {
+                lang: 'es',
+                accessibility: 'description'
+            });
+            mediaController.setInitialMediaSettingsForType(trackType, streamInfo);
+
+            currentTrack = mediaController.getCurrentTrackFor(trackType, streamInfo.id);
+            expect(objectUtils.areEqual(currentTrack, esTrack)).to.be.true; // jshint ignore:line
+        });
+
     });
 
     describe('Initial Track Selection', function () {