1 files changed, 75 insertions, 0 deletions
diff --git a/test/unit/data/things/track.js b/test/unit/data/things/track.js
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+++ b/test/unit/data/things/track.js
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+import t from 'tap';
+
+import thingConstructors from '../../../../src/data/things/index.js';
+
+const {
+  Album,
+  Thing,
+  Track,
+  TrackGroup,
+} = thingConstructors;
+
+function stubAlbum(tracks) {
+  const album = new Album();
+  album.trackSections = [
+    {
+      tracksByRef: tracks.map(t => Thing.getReference(t)),
+    },
+  ];
+  album.trackData = tracks;
+  return album;
+}
+
+t.test(`Track.coverArtDate`, t => {
+  t.plan(5);
+
+  // Priority order is as follows, with the last (trackCoverArtDate) being
+  // greatest priority.
+  const albumDate = new Date('2010-10-10');
+  const albumTrackArtDate = new Date('2012-12-12');
+  const trackDateFirstReleased = new Date('2008-08-08');
+  const trackCoverArtDate = new Date('2009-09-09');
+
+  const track = new Track();
+  track.directory = 'foo';
+
+  const album = stubAlbum([track]);
+
+  track.albumData = [album];
+
+  // 1. coverArtDate defaults to null
+
+  t.equal(track.coverArtDate, null);
+
+  // 2. coverArtDate inherits album release date
+
+  album.date = albumDate;
+
+  // XXX clear cache so change in album's property is reflected
+  track.albumData = [];
+  track.albumData = [album];
+
+  t.equal(track.coverArtDate, albumDate);
+
+  // 3. coverArtDate inherits album trackArtDate
+
+  album.trackArtDate = albumTrackArtDate;
+
+  // XXX clear cache again
+  track.albumData = [];
+  track.albumData = [album];
+
+  t.equal(track.coverArtDate, albumTrackArtDate);
+
+  // 4. coverArtDate is overridden dateFirstReleased
+
+  track.dateFirstReleased = trackDateFirstReleased;
+
+  t.equal(track.coverArtDate, trackDateFirstReleased);
+
+  // 5. coverArtDate is overridden coverArtDate
+
+  track.coverArtDate = trackCoverArtDate;
+
+  t.equal(track.coverArtDate, trackCoverArtDate);
+});