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hsmusic-wiki - HSMusic - static wiki software cataloguing collaborative creation
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-rw-r--r--test/unit/data/things/album.js469
-rw-r--r--test/unit/data/things/art-tag.js26
-rw-r--r--test/unit/data/things/flash.js40
-rw-r--r--test/unit/data/things/track.js752
4 files changed, 1287 insertions, 0 deletions
diff --git a/test/unit/data/things/album.js b/test/unit/data/things/album.js
new file mode 100644
index 00000000..a64488f7
--- /dev/null
+++ b/test/unit/data/things/album.js
@@ -0,0 +1,469 @@
+import t from 'tap';
+
+import thingConstructors from '#things';
+
+import {
+  linkAndBindWikiData,
+  stubArtistAndContribs,
+  stubThing,
+  stubWikiData,
+} from '#test-lib';
+
+t.test(`Album.artTags`, t => {
+  const {Album, ArtTag} = thingConstructors;
+
+  t.plan(3);
+
+  const wikiData = stubWikiData();
+
+  const {contribs} = stubArtistAndContribs(wikiData);
+  const album = stubThing(wikiData, Album);
+  const tag1 = stubThing(wikiData, ArtTag, {name: `Tag 1`});
+  const tag2 = stubThing(wikiData, ArtTag, {name: `Tag 2`});
+
+  linkAndBindWikiData(wikiData);
+
+  t.same(album.artTags, [],
+    `artTags #1: defaults to empty array`);
+
+  album.artTags = [`Tag 1`, `Tag 2`];
+
+  t.same(album.artTags, [],
+    `artTags #2: is empty if album doesn't have cover artists`);
+
+  album.coverArtistContribs = contribs;
+
+  t.same(album.artTags, [tag1, tag2],
+    `artTags #3: resolves if album has cover artists`);
+});
+
+t.test(`Album.bannerDimensions`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.bannerDimensions, null,
+    `Album.bannerDimensions #1: defaults to null`);
+
+  album.bannerDimensions = [1200, 275];
+
+  t.equal(album.bannerDimensions, null,
+    `Album.bannerDimensions #2: is null if bannerArtistContribs empty`);
+
+  album.bannerArtistContribs = badContribs;
+
+  t.equal(album.bannerDimensions, null,
+    `Album.bannerDimensions #3: is null if bannerArtistContribs resolves empty`);
+
+  album.bannerArtistContribs = contribs;
+
+  t.same(album.bannerDimensions, [1200, 275],
+    `Album.bannerDimensions #4: is own value`);
+});
+
+t.test(`Album.bannerFileExtension`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(5);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.bannerFileExtension, null,
+    `Album.bannerFileExtension #1: defaults to null`);
+
+  album.bannerFileExtension = 'png';
+
+  t.equal(album.bannerFileExtension, null,
+    `Album.bannerFileExtension #2: is null if bannerArtistContribs empty`);
+
+  album.bannerArtistContribs = badContribs;
+
+  t.equal(album.bannerFileExtension, null,
+    `Album.bannerFileExtension #3: is null if bannerArtistContribs resolves empty`);
+
+  album.bannerArtistContribs = contribs;
+
+  t.equal(album.bannerFileExtension, 'png',
+    `Album.bannerFileExtension #4: is own value`);
+
+  album.bannerFileExtension = null;
+
+  t.equal(album.bannerFileExtension, 'jpg',
+    `Album.bannerFileExtension #5: defaults to jpg`);
+});
+
+t.test(`Album.bannerStyle`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.bannerStyle, null,
+    `Album.bannerStyle #1: defaults to null`);
+
+  album.bannerStyle = `opacity: 0.5`;
+
+  t.equal(album.bannerStyle, null,
+    `Album.bannerStyle #2: is null if bannerArtistContribs empty`);
+
+  album.bannerArtistContribs = badContribs;
+
+  t.equal(album.bannerStyle, null,
+    `Album.bannerStyle #3: is null if bannerArtistContribs resolves empty`);
+
+  album.bannerArtistContribs = contribs;
+
+  t.equal(album.bannerStyle, `opacity: 0.5`,
+    `Album.bannerStyle #4: is own value`);
+});
+
+t.test(`Album.coverArtDate`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(6);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.coverArtDate, null,
+    `Album.coverArtDate #1: defaults to null`);
+
+  album.date = new Date('2012-10-25');
+
+  t.equal(album.coverArtDate, null,
+    `Album.coverArtDate #2: is null if coverArtistContribs empty (1/2)`);
+
+  album.coverArtDate = new Date('2011-04-13');
+
+  t.equal(album.coverArtDate, null,
+    `Album.coverArtDate #3: is null if coverArtistContribs empty (2/2)`);
+
+  album.coverArtistContribs = contribs;
+
+  t.same(album.coverArtDate, new Date('2011-04-13'),
+    `Album.coverArtDate #4: is own value`);
+
+  album.coverArtDate = null;
+
+  t.same(album.coverArtDate, new Date(`2012-10-25`),
+    `Album.coverArtDate #5: inherits album release date`);
+
+  album.coverArtistContribs = badContribs;
+
+  t.equal(album.coverArtDate, null,
+    `Album.coverArtDate #6: is null if coverArtistContribs resolves empty`);
+});
+
+t.test(`Album.coverArtFileExtension`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(5);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.coverArtFileExtension, null,
+    `Album.coverArtFileExtension #1: is null if coverArtistContribs empty (1/2)`);
+
+  album.coverArtFileExtension = 'png';
+
+  t.equal(album.coverArtFileExtension, null,
+    `Album.coverArtFileExtension #2: is null if coverArtistContribs empty (2/2)`);
+
+  album.coverArtFileExtension = null;
+  album.coverArtistContribs = contribs;
+
+  t.equal(album.coverArtFileExtension, 'jpg',
+    `Album.coverArtFileExtension #3: defaults to jpg`);
+
+  album.coverArtFileExtension = 'png';
+
+  t.equal(album.coverArtFileExtension, 'png',
+    `Album.coverArtFileExtension #4: is own value`);
+
+  album.coverArtistContribs = badContribs;
+
+  t.equal(album.coverArtFileExtension, null,
+    `Album.coverArtFileExtension #5: is null if coverArtistContribs resolves empty`);
+});
+
+t.test(`Album.tracks`, t => {
+  const {Album, Track, TrackSection} = thingConstructors;
+
+  t.plan(4);
+
+  let wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  album.directory = 'foo';
+
+  const track1 = stubThing(wikiData, Track, {directory: 'track1'});
+  const track2 = stubThing(wikiData, Track, {directory: 'track2'});
+  const track3 = stubThing(wikiData, Track, {directory: 'track3'});
+  const tracks = [track1, track2, track3];
+
+  const section1 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section1'});
+  const section2 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section2'});
+  const section3 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section3'});
+  const section4 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section4'});
+  const section5 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section5'});
+  const section6 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section6'});
+  const sections = [section1, section2, section3, section4, section5, section6];
+
+  wikiData = null;
+
+  for (const track of tracks) {
+    track.albumData = [album];
+  }
+
+  for (const section of sections) {
+    section.albumData = [album];
+  }
+
+  t.same(album.tracks, [],
+    `Album.tracks #1: defaults to empty array`);
+
+  section1.tracks = [track1, track2, track3];
+
+  album.trackSections = [section1];
+
+  t.same(album.tracks, [track1, track2, track3],
+    `Album.tracks #2: pulls tracks from one track section`);
+
+  section1.tracks = [track1];
+  section2.tracks = [track2, track3];
+
+  album.trackSections = [section1, section2];
+
+  t.same(album.tracks, [track1, track2, track3],
+    `Album.tracks #3: pulls tracks from multiple track sections`);
+
+  section1.tracks = [track1];
+  section2.tracks = [];
+  section3.tracks = [track2];
+  section4.tracks = [];
+  section5.tracks = [];
+  section6.tracks = [track3];
+
+  album.trackSections = [section1, section2, section3, section4, section5, section6];
+
+  t.same(album.tracks, [track1, track2, track3],
+    `Album.tracks #4: skips empty track sections`);
+});
+
+t.test(`Album.trackSections`, t => {
+  const {Album, Track, TrackSection} = thingConstructors;
+
+  t.plan(7);
+
+  let wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+
+  const track1 = stubThing(wikiData, Track, {directory: 'track1'});
+  const track2 = stubThing(wikiData, Track, {directory: 'track2'});
+  const track3 = stubThing(wikiData, Track, {directory: 'track3'});
+  const track4 = stubThing(wikiData, Track, {directory: 'track4'});
+  const tracks = [track1, track2, track3, track4];
+
+  const section1 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section1'});
+  const section2 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section2'});
+  const section3 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section3'});
+  const section4 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section4'});
+  const section5 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section5'});
+  const sections = [section1, section2, section3, section4, section5];
+
+  wikiData = null;
+
+  for (const track of tracks) {
+    track.albumData = [album];
+  }
+
+  for (const section of sections) {
+    section.albumData = [album];
+  }
+
+  section1.tracks = [track1, track2];
+  section2.tracks = [track3, track4];
+
+  album.trackSections = [section1, section2];
+
+  t.match(album.trackSections, [
+    {tracks: [track1, track2]},
+    {tracks: [track3, track4]},
+  ], `Album.trackSections #1: exposes tracks`);
+
+  t.match(album.trackSections, [
+    {tracks: [track1, track2], startIndex: 0},
+    {tracks: [track3, track4], startIndex: 2},
+  ], `Album.trackSections #2: exposes startIndex`);
+
+  section1.tracks = [track1];
+  section2.tracks = [track2];
+  section3.tracks = [track3];
+
+  section1.name = 'First section';
+  section2.name = 'Second section';
+
+  album.trackSections = [section1, section2, section3];
+
+  t.match(album.trackSections, [
+    {name: 'First section', tracks: [track1]},
+    {name: 'Second section', tracks: [track2]},
+    {name: 'Unnamed Track Section', tracks: [track3]},
+  ], `Album.trackSections #3: exposes name, with fallback value`);
+
+  album.color = '#123456';
+
+  section2.color = '#abcdef';
+
+  // XXX_decacheWikiData
+  album.trackSections = [];
+  album.trackSections = [section1, section2, section3];
+
+  t.match(album.trackSections, [
+    {tracks: [track1], color: '#123456'},
+    {tracks: [track2], color: '#abcdef'},
+    {tracks: [track3], color: '#123456'},
+  ], `Album.trackSections #4: exposes color, inherited from album`);
+
+  section2.dateOriginallyReleased = new Date('2009-04-11');
+
+  // XXX_decacheWikiData
+  album.trackSections = [];
+  album.trackSections = [section1, section2, section3];
+
+  t.match(album.trackSections, [
+    {tracks: [track1], dateOriginallyReleased: null},
+    {tracks: [track2], dateOriginallyReleased: new Date('2009-04-11')},
+    {tracks: [track3], dateOriginallyReleased: null},
+  ], `Album.trackSections #5: exposes dateOriginallyReleased, if present`);
+
+  section1.isDefaultTrackSection = true;
+  section2.isDefaultTrackSection = false;
+
+  // XXX_decacheWikiData
+  album.trackSections = [];
+  album.trackSections = [section1, section2, section3];
+
+  t.match(album.trackSections, [
+    {tracks: [track1], isDefaultTrackSection: true},
+    {tracks: [track2], isDefaultTrackSection: false},
+    {tracks: [track3], isDefaultTrackSection: false},
+  ], `Album.trackSections #6: exposes isDefaultTrackSection, defaults to false`);
+
+  section1.tracks = [track1, track2];
+  section2.tracks = [track3];
+  section3.tracks = [];
+  section4.tracks = [];
+  section5.tracks = [track4];
+
+  section1.color = '#112233';
+  section2.color = '#334455';
+  section3.color = '#bbbbba';
+  section4.color = '#556677';
+  section5.color = '#778899';
+
+  album.trackSections = [section1, section2, section3, section4, section5];
+
+  t.match(album.trackSections, [
+    {tracks: [track1, track2], color: '#112233'},
+    {tracks: [track3],         color: '#334455'},
+    {tracks: [],               color: '#bbbbba'},
+    {tracks: [],               color: '#556677'},
+    {tracks: [track4],         color: '#778899'},
+  ], `Album.trackSections #7: keeps empty sections`);
+});
+
+t.test(`Album.wallpaperFileExtension`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(5);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.wallpaperFileExtension, null,
+    `Album.wallpaperFileExtension #1: defaults to null`);
+
+  album.wallpaperFileExtension = 'png';
+
+  t.equal(album.wallpaperFileExtension, null,
+    `Album.wallpaperFileExtension #2: is null if wallpaperArtistContribs empty`);
+
+  album.wallpaperArtistContribs = contribs;
+
+  t.equal(album.wallpaperFileExtension, 'png',
+    `Album.wallpaperFileExtension #3: is own value`);
+
+  album.wallpaperFileExtension = null;
+
+  t.equal(album.wallpaperFileExtension, 'jpg',
+    `Album.wallpaperFileExtension #4: defaults to jpg`);
+
+  album.wallpaperArtistContribs = badContribs;
+
+  t.equal(album.wallpaperFileExtension, null,
+    `Album.wallpaperFileExtension #5: is null if wallpaperArtistContribs resolves empty`);
+});
+
+t.test(`Album.wallpaperStyle`, t => {
+  const {Album} = thingConstructors;
+
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const album = stubThing(wikiData, Album);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(album.wallpaperStyle, null,
+    `Album.wallpaperStyle #1: defaults to null`);
+
+  album.wallpaperStyle = `opacity: 0.5`;
+
+  t.equal(album.wallpaperStyle, null,
+    `Album.wallpaperStyle #2: is null if wallpaperArtistContribs empty`);
+
+  album.wallpaperArtistContribs = badContribs;
+
+  t.equal(album.wallpaperStyle, null,
+    `Album.wallpaperStyle #3: is null if wallpaperArtistContribs resolves empty`);
+
+  album.wallpaperArtistContribs = contribs;
+
+  t.equal(album.wallpaperStyle, `opacity: 0.5`,
+    `Album.wallpaperStyle #4: is own value`);
+});
diff --git a/test/unit/data/things/art-tag.js b/test/unit/data/things/art-tag.js
new file mode 100644
index 00000000..015acd0e
--- /dev/null
+++ b/test/unit/data/things/art-tag.js
@@ -0,0 +1,26 @@
+import t from 'tap';
+
+import thingConstructors from '#things';
+
+t.test(`ArtTag.nameShort`, t => {
+  const {ArtTag} = thingConstructors;
+
+  t.plan(3);
+
+  const artTag = new ArtTag();
+
+  artTag.name = `Dave Strider`;
+
+  t.equal(artTag.nameShort, `Dave Strider`,
+    `ArtTag #1: defaults to name`);
+
+  artTag.name = `Dave Strider (Homestuck)`;
+
+  t.equal(artTag.nameShort, `Dave Strider`,
+    `ArtTag #2: trims parenthical part at end`);
+
+  artTag.name = `This (And) That (Then)`;
+
+  t.equal(artTag.nameShort, `This (And) That`,
+    `ArtTag #2: doesn't trim midlde parenthical part`);
+});
diff --git a/test/unit/data/things/flash.js b/test/unit/data/things/flash.js
new file mode 100644
index 00000000..de39e80d
--- /dev/null
+++ b/test/unit/data/things/flash.js
@@ -0,0 +1,40 @@
+import t from 'tap';
+
+import thingConstructors from '#things';
+
+import {
+  linkAndBindWikiData,
+  stubThing,
+  stubWikiData,
+} from '#test-lib';
+
+t.test(`Flash.color`, t => {
+  const {Flash, FlashAct} = thingConstructors;
+
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const flash = stubThing(wikiData, Flash, {directory: 'my-flash'});
+  const flashAct = stubThing(wikiData, FlashAct, {flashes: ['flash:my-flash']});
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.equal(flash.color, null,
+    `color #1: defaults to null`);
+
+  flashAct.color = '#abcdef';
+  XXX_decacheWikiData();
+
+  t.equal(flash.color, '#abcdef',
+    `color #2: inherits from flash act`);
+
+  flash.color = '#123456';
+
+  t.equal(flash.color, '#123456',
+    `color #3: is own value`);
+
+  t.throws(() => { flash.color = '#aeiouw'; },
+    {cause: TypeError},
+    `color #4: must be set to valid color`);
+});
diff --git a/test/unit/data/things/track.js b/test/unit/data/things/track.js
new file mode 100644
index 00000000..403dc064
--- /dev/null
+++ b/test/unit/data/things/track.js
@@ -0,0 +1,752 @@
+import t from 'tap';
+
+import {bindFind} from '#find';
+import thingConstructors from '#things';
+
+import {
+  linkAndBindWikiData,
+  stubArtistAndContribs,
+  stubFlashAndAct,
+  stubThing,
+  stubTrackAndAlbum,
+  stubWikiData,
+} from '#test-lib';
+
+t.test(`Track.album`, t => {
+  const {Album, Track, TrackSection} = thingConstructors;
+
+  t.plan(6);
+
+  // Note: These asserts use manual albumData/trackData relationships
+  // to illustrate more specifically the properties which are expected to
+  // be relevant for this case. Other properties use the same underlying
+  // get-album behavior as Track.album so aren't tested as aggressively.
+
+  let wikiData = stubWikiData();
+
+  const track1 = stubThing(wikiData, Track, {directory: 'track1'});
+  const track2 = stubThing(wikiData, Track, {directory: 'track2'});
+  const album1 = stubThing(wikiData, Album);
+  const album2 = stubThing(wikiData, Album);
+  const section1 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section1'});
+  const section2 = stubThing(wikiData, TrackSection, {unqualifiedDirectory: 'section2'});
+
+  wikiData = null;
+
+  t.equal(track1.album, null,
+    `album #1: defaults to null`);
+
+  track1.albumData = [album1, album2];
+  track2.albumData = [album1, album2];
+  section1.tracks = [track1];
+  section2.tracks = [track2];
+  section1.albumData = [album1];
+  section2.albumData = [album2];
+  album1.trackSections = [section1];
+  album2.trackSections = [section2];
+
+  t.equal(track1.album, album1,
+    `album #2: is album when album's trackSections matches track`);
+
+  track1.albumData = [album2, album1];
+
+  t.equal(track1.album, album1,
+    `album #3: is album when albumData is in different order`);
+
+  track1.albumData = [];
+
+  t.equal(track1.album, null,
+    `album #4: is null when track missing albumData`);
+
+  section1.tracks = [];
+
+  // XXX_decacheWikiData
+  album1.trackSections = [];
+  album1.trackSections = [section1];
+  track1.albumData = [];
+  track1.albumData = [album2, album1];
+
+  t.equal(track1.album, null,
+    `album #5: is null when album track section missing tracks`);
+
+  section1.tracks = [track2];
+
+  // XXX_decacheWikiData
+  album1.trackSections = [];
+  album1.trackSections = [section1];
+  track1.albumData = [];
+  track1.albumData = [album2, album1];
+
+  t.equal(track1.album, null,
+    `album #6: is null when album track section doesn't match track`);
+});
+
+t.test(`Track.alwaysReferenceByDirectory`, t => {
+  t.plan(7);
+
+  const wikiData = stubWikiData();
+
+  const {track: originalTrack} =
+    stubTrackAndAlbum(wikiData, 'original-track', 'original-album');
+
+  const {track: rereleaseTrack, album: rereleaseAlbum} =
+    stubTrackAndAlbum(wikiData, 'rerelease-track', 'rerelease-album');
+
+  originalTrack.name = 'Cowabunga';
+  rereleaseTrack.name = 'Cowabunga';
+
+  originalTrack.dataSourceAlbum = 'album:original-album';
+  rereleaseTrack.dataSourceAlbum = 'album:rerelease-album';
+
+  rereleaseTrack.originalReleaseTrack = 'track:original-track';
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.equal(originalTrack.alwaysReferenceByDirectory, false,
+    `alwaysReferenceByDirectory #1: defaults to false`);
+
+  t.equal(rereleaseTrack.alwaysReferenceByDirectory, true,
+    `alwaysReferenceByDirectory #2: is true if rerelease name matches original`);
+
+  rereleaseTrack.name = 'Foo Dog!';
+
+  t.equal(rereleaseTrack.alwaysReferenceByDirectory, false,
+    `alwaysReferenceByDirectory #3: is false if rerelease name doesn't match original`);
+
+  rereleaseTrack.name = `COWabunga`;
+
+  t.equal(rereleaseTrack.alwaysReferenceByDirectory, false,
+    `alwaysReferenceByDirectory #4: is false if rerelease name doesn't match original exactly`);
+
+  rereleaseAlbum.alwaysReferenceTracksByDirectory = true;
+  XXX_decacheWikiData();
+
+  t.equal(rereleaseTrack.alwaysReferenceByDirectory, true,
+    `alwaysReferenceByDirectory #5: is true if album's alwaysReferenceTracksByDirectory is true`);
+
+  rereleaseTrack.alwaysReferenceByDirectory = false;
+
+  t.equal(rereleaseTrack.alwaysReferenceByDirectory, false,
+    `alwaysReferenceByDirectory #6: doesn't inherit from album if set to false`);
+
+  rereleaseTrack.name = 'Cowabunga';
+
+  t.equal(rereleaseTrack.alwaysReferenceByDirectory, false,
+    `alwaysReferenceByDirectory #7: doesn't compare original release name if set to false`);
+});
+
+t.test(`Track.artTags`, t => {
+  const {ArtTag} = thingConstructors;
+
+  t.plan(6);
+
+  const wikiData = stubWikiData();
+
+  const {track, album} = stubTrackAndAlbum(wikiData);
+  const {contribs} = stubArtistAndContribs(wikiData);
+
+  const tag1 =
+    stubThing(wikiData, ArtTag, {name: `Tag 1`});
+
+  const tag2 =
+    stubThing(wikiData, ArtTag, {name: `Tag 2`});
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track.artTags, [],
+    `artTags #1: defaults to empty array`);
+
+  track.artTags = [`Tag 1`, `Tag 2`];
+
+  t.same(track.artTags, [],
+    `artTags #2: is empty if track doesn't have cover artists`);
+
+  track.coverArtistContribs = contribs;
+
+  t.same(track.artTags, [tag1, tag2],
+    `artTags #3: resolves if track has cover artists`);
+
+  track.coverArtistContribs = null;
+  album.trackCoverArtistContribs = contribs;
+
+  XXX_decacheWikiData();
+
+  t.same(track.artTags, [tag1, tag2],
+    `artTags #4: resolves if track inherits cover artists`);
+
+  track.disableUniqueCoverArt = true;
+
+  t.same(track.artTags, [],
+    `artTags #5: is empty if track disables unique cover artwork`);
+
+  album.coverArtistContribs = contribs;
+  album.artTags = [`Tag 2`];
+
+  XXX_decacheWikiData();
+
+  t.notSame(track.artTags, [tag2],
+    `artTags #6: doesn't inherit from album's art tags`);
+});
+
+t.test(`Track.artistContribs`, t => {
+  const {Album, Artist, Track, TrackSection} = thingConstructors;
+
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const track =
+    stubThing(wikiData, Track);
+
+  const section =
+    stubThing(wikiData, TrackSection, {tracks: [track]});
+
+  const album =
+    stubThing(wikiData, Album, {trackSections: [section]});
+
+  const artist1 =
+    stubThing(wikiData, Artist, {name: `Artist 1`});
+
+  const artist2 =
+    stubThing(wikiData, Artist, {name: `Artist 2`});
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track.artistContribs, [],
+    `artistContribs #1: defaults to empty array`);
+
+  album.artistContribs = [
+    {artist: `Artist 1`, annotation: `composition`},
+    {artist: `Artist 2`, annotation: null},
+  ];
+
+  XXX_decacheWikiData();
+
+  t.match(track.artistContribs,
+    [{artist: artist1, annotation: `composition`}, {artist: artist2, annotation: null}],
+    `artistContribs #2: inherits album artistContribs`);
+
+  track.artistContribs = [
+    {artist: `Artist 1`, annotation: `arrangement`},
+  ];
+
+  t.match(track.artistContribs, [{artist: artist1, annotation: `arrangement`}],
+    `artistContribs #3: resolves from own value`);
+
+  track.artistContribs = [
+    {artist: `Artist 1`, annotation: `snooping`},
+    {artist: `Artist 413`, annotation: `as`},
+    {artist: `Artist 2`, annotation: `usual`},
+  ];
+
+  t.match(track.artistContribs,
+    [{artist: artist1, annotation: `snooping`}, {artist: artist2, annotation: `usual`}],
+    `artistContribs #4: filters out names without matches`);
+});
+
+t.test(`Track.color`, t => {
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const {track, album, section} = stubTrackAndAlbum(wikiData);
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.equal(track.color, null,
+    `color #1: defaults to null`);
+
+  album.color = '#abcdef';
+  section.color = '#beeeef';
+
+  album.trackSections = [section];
+
+  XXX_decacheWikiData();
+
+  t.equal(track.color, '#beeeef',
+    `color #2: inherits from track section before album`);
+
+  track.color = '#123456';
+
+  t.equal(track.color, '#123456',
+    `color #3: is own value`);
+
+  t.throws(() => { track.color = '#aeiouw'; },
+    {cause: TypeError},
+    `color #4: must be set to valid color`);
+});
+
+t.test(`Track.commentatorArtists`, t => {
+  const {Artist, Track} = thingConstructors;
+
+  t.plan(8);
+
+  const wikiData = stubWikiData();
+
+  const track = stubThing(wikiData, Track);
+  const artist1 = stubThing(wikiData, Artist, {name: `SnooPING`});
+  const artist2 = stubThing(wikiData, Artist, {name: `ASUsual`});
+  const artist3 = stubThing(wikiData, Artist, {name: `Icy`});
+
+  linkAndBindWikiData(wikiData);
+
+  // Keep track of the last commentary string in a separate value, since
+  // the track.commentary property exposes as a completely different format
+  // (i.e. an array of objects, one for each entry), and so isn't compatible
+  // with the += operator on its own.
+  let commentary;
+
+  track.commentary = commentary =
+    `<i>SnooPING:</i>\n` +
+    `Wow.\n`;
+
+  t.same(track.commentatorArtists, [artist1],
+    `Track.commentatorArtists #1: works with one commentator`);
+
+  track.commentary = commentary +=
+    `<i>ASUsual:</i>\n` +
+    `Yes!\n`;
+
+  t.same(track.commentatorArtists, [artist1, artist2],
+    `Track.commentatorArtists #2: works with two commentators`);
+
+  track.commentary = commentary +=
+    `<i>Icy|<b>Icy annotation You Did There</b>:</i>\n` +
+    `Incredible.\n`;
+
+  t.same(track.commentatorArtists, [artist1, artist2, artist3],
+    `Track.commentatorArtists #3: works with custom artist text`);
+
+  track.commentary = commentary =
+    `<i>Icy:</i> (project manager)\n` +
+    `Very good track.\n`;
+
+  t.same(track.commentatorArtists, [artist3],
+    `Track.commentatorArtists #4: works with annotation`);
+
+  track.commentary = commentary =
+    `<i>Icy:</i> (project manager, 08/15/2023)\n` +
+    `Very very good track.\n`;
+
+  t.same(track.commentatorArtists, [artist3],
+    `Track.commentatorArtists #5: works with date`);
+
+  track.commentary = commentary +=
+    `<i>Ohohohoho:</i>\n` +
+    `OHOHOHOHOHOHO...\n`;
+
+  t.same(track.commentatorArtists, [artist3],
+    `Track.commentatorArtists #6: ignores artist names not found`);
+
+  track.commentary = commentary +=
+    `<i>Icy:</i>\n` +
+    `I'm back!\n`;
+
+  t.same(track.commentatorArtists, [artist3],
+    `Track.commentatorArtists #7: ignores duplicate artist`);
+
+  track.commentary = commentary +=
+    `<i>SNooPING, ASUsual, Icy:</i>\n` +
+    `WITH ALL THREE POWERS COMBINED...`;
+
+  t.same(track.commentatorArtists, [artist3, artist1, artist2],
+    `Track.commentatorArtists #8: works with more than one artist in one entry`);
+});
+
+t.test(`Track.coverArtistContribs`, t => {
+  const {Artist} = thingConstructors;
+
+  t.plan(5);
+
+  const wikiData = stubWikiData();
+
+  const {track, album} = stubTrackAndAlbum(wikiData);
+  const artist1 = stubThing(wikiData, Artist, {name: `Artist 1`});
+  const artist2 = stubThing(wikiData, Artist, {name: `Artist 2`});
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track.coverArtistContribs, [],
+    `coverArtistContribs #1: defaults to empty array`);
+
+  album.trackCoverArtistContribs = [
+    {artist: `Artist 1`, annotation: `lines`},
+    {artist: `Artist 2`, annotation: null},
+  ];
+
+  XXX_decacheWikiData();
+
+  t.match(track.coverArtistContribs,
+    [{artist: artist1, annotation: `lines`}, {artist: artist2, annotation: null}],
+    `coverArtistContribs #2: inherits album trackCoverArtistContribs`);
+
+  track.coverArtistContribs = [
+    {artist: `Artist 1`, annotation: `collage`},
+  ];
+
+  t.match(track.coverArtistContribs, [{artist: artist1, annotation: `collage`}],
+    `coverArtistContribs #3: resolves from own value`);
+
+  track.coverArtistContribs = [
+    {artist: `Artist 1`, annotation: `snooping`},
+    {artist: `Artist 413`, annotation: `as`},
+    {artist: `Artist 2`, annotation: `usual`},
+  ];
+
+  t.match(track.coverArtistContribs,
+    [{artist: artist1, annotation: `snooping`}, {artist: artist2, annotation: `usual`}],
+    `coverArtistContribs #4: filters out names without matches`);
+
+  track.disableUniqueCoverArt = true;
+
+  t.same(track.coverArtistContribs, [],
+    `coverArtistContribs #5: is empty if track disables unique cover artwork`);
+});
+
+t.test(`Track.coverArtDate`, t => {
+  t.plan(8);
+
+  const wikiData = stubWikiData();
+
+  const {track, album} = stubTrackAndAlbum(wikiData);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  track.coverArtistContribs = contribs;
+
+  t.equal(track.coverArtDate, null,
+    `coverArtDate #1: defaults to null`);
+
+  album.trackArtDate = new Date('2012-12-12');
+
+  XXX_decacheWikiData();
+
+  t.same(track.coverArtDate, new Date('2012-12-12'),
+    `coverArtDate #2: inherits album trackArtDate`);
+
+  track.coverArtDate = new Date('2009-09-09');
+
+  t.same(track.coverArtDate, new Date('2009-09-09'),
+    `coverArtDate #3: is own value`);
+
+  track.coverArtistContribs = [];
+
+  t.equal(track.coverArtDate, null,
+    `coverArtDate #4: is null if track coverArtistContribs empty`);
+
+  album.trackCoverArtistContribs = contribs;
+
+  XXX_decacheWikiData();
+
+  t.same(track.coverArtDate, new Date('2009-09-09'),
+    `coverArtDate #5: is not null if album trackCoverArtistContribs specified`);
+
+  album.trackCoverArtistContribs = badContribs;
+
+  XXX_decacheWikiData();
+
+  t.equal(track.coverArtDate, null,
+    `coverArtDate #6: is null if album trackCoverArtistContribs resolves empty`);
+
+  track.coverArtistContribs = badContribs;
+
+  t.equal(track.coverArtDate, null,
+    `coverArtDate #7: is null if track coverArtistContribs resolves empty`);
+
+  track.coverArtistContribs = contribs;
+  track.disableUniqueCoverArt = true;
+
+  t.equal(track.coverArtDate, null,
+    `coverArtDate #8: is null if track disables unique cover artwork`);
+});
+
+t.test(`Track.coverArtFileExtension`, t => {
+  t.plan(8);
+
+  const wikiData = stubWikiData();
+
+  const {track, album} = stubTrackAndAlbum(wikiData);
+  const {contribs} = stubArtistAndContribs(wikiData);
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.equal(track.coverArtFileExtension, null,
+    `coverArtFileExtension #1: defaults to null`);
+
+  track.coverArtistContribs = contribs;
+
+  t.equal(track.coverArtFileExtension, 'jpg',
+    `coverArtFileExtension #2: is jpg if has cover art and not further specified`);
+
+  track.coverArtistContribs = [];
+
+  album.coverArtistContribs = contribs;
+  XXX_decacheWikiData();
+
+  t.equal(track.coverArtFileExtension, null,
+    `coverArtFileExtension #3: only has value for unique cover art`);
+
+  track.coverArtistContribs = contribs;
+
+  album.trackCoverArtFileExtension = 'png';
+  XXX_decacheWikiData();
+
+  t.equal(track.coverArtFileExtension, 'png',
+    `coverArtFileExtension #4: inherits album trackCoverArtFileExtension (1/2)`);
+
+  track.coverArtFileExtension = 'gif';
+
+  t.equal(track.coverArtFileExtension, 'gif',
+    `coverArtFileExtension #5: is own value (1/2)`);
+
+  track.coverArtistContribs = [];
+
+  album.trackCoverArtistContribs = contribs;
+  XXX_decacheWikiData();
+
+  t.equal(track.coverArtFileExtension, 'gif',
+    `coverArtFileExtension #6: is own value (2/2)`);
+
+  track.coverArtFileExtension = null;
+
+  t.equal(track.coverArtFileExtension, 'png',
+    `coverArtFileExtension #7: inherits album trackCoverArtFileExtension (2/2)`);
+
+  track.disableUniqueCoverArt = true;
+
+  t.equal(track.coverArtFileExtension, null,
+    `coverArtFileExtension #8: is null if track disables unique cover art`);
+});
+
+t.test(`Track.date`, t => {
+  t.plan(3);
+
+  const wikiData = stubWikiData();
+
+  const {track, album} = stubTrackAndAlbum(wikiData);
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.equal(track.date, null,
+    `date #1: defaults to null`);
+
+  album.date = new Date('2012-12-12');
+  XXX_decacheWikiData();
+
+  t.same(track.date, album.date,
+    `date #2: inherits from album`);
+
+  track.dateFirstReleased = new Date('2009-09-09');
+
+  t.same(track.date, new Date('2009-09-09'),
+    `date #3: is own dateFirstReleased`);
+});
+
+t.test(`Track.featuredInFlashes`, t => {
+  t.plan(2);
+
+  const wikiData = stubWikiData();
+
+  const {track} = stubTrackAndAlbum(wikiData, 'track1');
+  const {flash: flash1} = stubFlashAndAct(wikiData, 'flash1');
+  const {flash: flash2} = stubFlashAndAct(wikiData, 'flash2');
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track.featuredInFlashes, [],
+    `featuredInFlashes #1: defaults to empty array`);
+
+  flash1.featuredTracks = ['track:track1'];
+  flash2.featuredTracks = ['track:track1'];
+  XXX_decacheWikiData();
+
+  t.same(track.featuredInFlashes, [flash1, flash2],
+    `featuredInFlashes #2: matches flashes' featuredTracks`);
+});
+
+t.test(`Track.hasUniqueCoverArt`, t => {
+  t.plan(7);
+
+  const wikiData = stubWikiData();
+
+  const {track, album} = stubTrackAndAlbum(wikiData);
+  const {contribs, badContribs} = stubArtistAndContribs(wikiData);
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.equal(track.hasUniqueCoverArt, false,
+    `hasUniqueCoverArt #1: defaults to false`);
+
+  album.trackCoverArtistContribs = contribs;
+  XXX_decacheWikiData();
+
+  t.equal(track.hasUniqueCoverArt, true,
+    `hasUniqueCoverArt #2: is true if album specifies trackCoverArtistContribs`);
+
+  track.disableUniqueCoverArt = true;
+
+  t.equal(track.hasUniqueCoverArt, false,
+    `hasUniqueCoverArt #3: is false if disableUniqueCoverArt is true (1/2)`);
+
+  track.disableUniqueCoverArt = false;
+
+  album.trackCoverArtistContribs = badContribs;
+  XXX_decacheWikiData();
+
+  t.equal(track.hasUniqueCoverArt, false,
+    `hasUniqueCoverArt #4: is false if album's trackCoverArtistContribs resolve empty`);
+
+  track.coverArtistContribs = contribs;
+
+  t.equal(track.hasUniqueCoverArt, true,
+    `hasUniqueCoverArt #5: is true if track specifies coverArtistContribs`);
+
+  track.disableUniqueCoverArt = true;
+
+  t.equal(track.hasUniqueCoverArt, false,
+    `hasUniqueCoverArt #6: is false if disableUniqueCoverArt is true (2/2)`);
+
+  track.disableUniqueCoverArt = false;
+
+  track.coverArtistContribs = badContribs;
+
+  t.equal(track.hasUniqueCoverArt, false,
+    `hasUniqueCoverArt #7: is false if track's coverArtistContribs resolve empty`);
+});
+
+t.test(`Track.originalReleaseTrack`, t => {
+  t.plan(3);
+
+  const wikiData = stubWikiData();
+
+  const {track: track1} = stubTrackAndAlbum(wikiData, 'track1');
+  const {track: track2} = stubTrackAndAlbum(wikiData, 'track2');
+
+  linkAndBindWikiData(wikiData);
+
+  t.equal(track2.originalReleaseTrack, null,
+    `originalReleaseTrack #1: defaults to null`);
+
+  track2.originalReleaseTrack = 'track:track1';
+
+  t.equal(track2.originalReleaseTrack, track1,
+    `originalReleaseTrack #2: is resolved from own value`);
+
+  track2.trackData = [];
+
+  t.equal(track2.originalReleaseTrack, null,
+    `originalReleaseTrack #3: is null when track missing trackData`);
+});
+
+t.test(`Track.otherReleases`, t => {
+  t.plan(6);
+
+  const wikiData = stubWikiData();
+
+  const {track: track1} = stubTrackAndAlbum(wikiData, 'track1');
+  const {track: track2} = stubTrackAndAlbum(wikiData, 'track2');
+  const {track: track3} = stubTrackAndAlbum(wikiData, 'track3');
+  const {track: track4} = stubTrackAndAlbum(wikiData, 'track4');
+
+  const {linkWikiDataArrays, XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track1.otherReleases, [],
+    `otherReleases #1: defaults to empty array`);
+
+  track2.originalReleaseTrack = 'track:track1';
+  track3.originalReleaseTrack = 'track:track1';
+  track4.originalReleaseTrack = 'track:track1';
+  XXX_decacheWikiData();
+
+  t.same(track1.otherReleases, [track2, track3, track4],
+    `otherReleases #2: otherReleases of original release are its rereleases`);
+
+  wikiData.trackData = [track1, track3, track2, track4];
+  linkWikiDataArrays({bindFind});
+
+  t.same(track1.otherReleases, [track3, track2, track4],
+    `otherReleases #3: otherReleases matches trackData order`);
+
+  wikiData.trackData = [track3, track2, track1, track4];
+  linkWikiDataArrays({bindFind});
+
+  t.same(track2.otherReleases, [track1, track3, track4],
+    `otherReleases #4: otherReleases of rerelease are original track then other rereleases (1/3)`);
+
+  t.same(track3.otherReleases, [track1, track2, track4],
+    `otherReleases #5: otherReleases of rerelease are original track then other rereleases (2/3)`);
+
+  t.same(track4.otherReleases, [track1, track3, track2],
+    `otherReleases #6: otherReleases of rerelease are original track then other rereleases (3/3)`);
+});
+
+t.test(`Track.referencedByTracks`, t => {
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const {track: track1} = stubTrackAndAlbum(wikiData, 'track1');
+  const {track: track2} = stubTrackAndAlbum(wikiData, 'track2');
+  const {track: track3} = stubTrackAndAlbum(wikiData, 'track3');
+  const {track: track4} = stubTrackAndAlbum(wikiData, 'track4');
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track1.referencedByTracks, [],
+    `referencedByTracks #1: defaults to empty array`);
+
+  track2.referencedTracks = ['track:track1'];
+  track3.referencedTracks = ['track:track1'];
+  XXX_decacheWikiData();
+
+  t.same(track1.referencedByTracks, [track2, track3],
+    `referencedByTracks #2: matches tracks' referencedTracks`);
+
+  track4.sampledTracks = ['track:track1'];
+  XXX_decacheWikiData();
+
+  t.same(track1.referencedByTracks, [track2, track3],
+    `referencedByTracks #3: doesn't match tracks' sampledTracks`);
+
+  track3.originalReleaseTrack = 'track:track2';
+  XXX_decacheWikiData();
+
+  t.same(track1.referencedByTracks, [track2],
+    `referencedByTracks #4: doesn't include rereleases`);
+});
+
+t.test(`Track.sampledByTracks`, t => {
+  t.plan(4);
+
+  const wikiData = stubWikiData();
+
+  const {track: track1} = stubTrackAndAlbum(wikiData, 'track1');
+  const {track: track2} = stubTrackAndAlbum(wikiData, 'track2');
+  const {track: track3} = stubTrackAndAlbum(wikiData, 'track3');
+  const {track: track4} = stubTrackAndAlbum(wikiData, 'track4');
+
+  const {XXX_decacheWikiData} = linkAndBindWikiData(wikiData);
+
+  t.same(track1.sampledByTracks, [],
+    `sampledByTracks #1: defaults to empty array`);
+
+  track2.sampledTracks = ['track:track1'];
+  track3.sampledTracks = ['track:track1'];
+  XXX_decacheWikiData();
+
+  t.same(track1.sampledByTracks, [track2, track3],
+    `sampledByTracks #2: matches tracks' sampledTracks`);
+
+  track4.referencedTracks = ['track:track1'];
+  XXX_decacheWikiData();
+
+  t.same(track1.sampledByTracks, [track2, track3],
+    `sampledByTracks #3: doesn't match tracks' referencedTracks`);
+
+  track3.originalReleaseTrack = 'track:track2';
+  XXX_decacheWikiData();
+
+  t.same(track1.sampledByTracks, [track2],
+    `sampledByTracks #4: doesn't include rereleases`);
+});