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import t from 'tap';
import thingConstructors from '#things';

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);
});