1 files changed, 58 insertions, 0 deletions
diff --git a/javascript/videojs/test/unit/tracks/track.test.js b/javascript/videojs/test/unit/tracks/track.test.js
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index 0000000..e5d9b3f
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+++ b/javascript/videojs/test/unit/tracks/track.test.js
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+/* eslint-env qunit */
+import TrackBaseline from './track-baseline';
+import Track from '../../../src/js/tracks/track.js';
+import TextTrackList from '../../../src/js/tracks/text-track-list.js';
+
+const defaultTech = {
+  textTracks() {
+    return new TextTrackList();
+  },
+  on() {},
+  off() {},
+  currentTime() {}
+};
+
+// do baseline track testing
+QUnit.module('Track');
+
+TrackBaseline(Track, {
+  id: '1',
+  kind: 'subtitles',
+  mode: 'disabled',
+  label: 'English',
+  language: 'en'
+  // tech is added in baseline
+  // tech: new TechFaker()
+});
+
+QUnit.test('defaults when items not provided', function(assert) {
+  const track = new Track({
+    tech: defaultTech
+  });
+
+  assert.equal(track.kind, '', 'kind defaulted to empty string');
+  assert.equal(track.label, '', 'label defaults to empty string');
+  assert.equal(track.language, '', 'language defaults to empty string');
+  assert.ok(track.id.match(/vjs_track_\d+/), 'id defaults to vjs_track_GUID');
+});
+
+QUnit.test('label is updated and labelchange event is fired when label is changed', function(assert) {
+  const track = new Track({
+    tech: defaultTech
+  });
+  let eventsTriggered = 0;
+
+  track.addEventListener('labelchange', () => {
+    eventsTriggered++;
+  });
+
+  track.label = 'English (auto)';
+  assert.equal(eventsTriggered, 1, 'one label change');
+  assert.equal(track.label, 'English (auto)');
+
+  track.label = 'English (auto)';
+  assert.equal(eventsTriggered, 1, 'additional label change not fired when new label is the same as old');
+  assert.equal(track.label, 'English (auto)');
+
+  track.off();
+});