def test_update_artist_frequency_counts_when_two_collections(self):
a1, a2, a3 = fixtures.artist_1(), fixtures.artist_2(), fixtures.artist_3()
t1, t2, t3 = fixtures.track_1(), fixtures.track_2(), fixtures.track_3()
c1, c2 = fixtures.collection_1(), fixtures.collection_2()
# Wire the collections
t1.artist.add(a1)
t2.artist.add(a1, a2)
t3.artist.add(a1, a2, a3)
c1.add_tracks([t1, t2]) # a1 + a1+a2
c2.add_tracks([t2, t3]) # a1+a2 + a1+a2+a3
l_stat = fixtures.library_stat()
_ = fixtures.collection_stat(collection=c1)
_ = fixtures.collection_stat(collection=c2)
artist_frequency_counts = l_stat.update_artist_frequency_counts()
self.assertEqual(3, len(artist_frequency_counts))
# TODO move this to a Mixin
a1_result = next(x for x in artist_frequency_counts if x.artist.id == a1.id)
self.assertEqual(4, a1_result.frequency)
a2_result = next(x for x in artist_frequency_counts if x.artist.id == a2.id)
self.assertEqual(3, a2_result.frequency)
a3_result = next(x for x in artist_frequency_counts if x.artist.id == a3.id)
self.assertEqual(1, a3_result.frequency)
def test_collection_property_when_added_to_collections(self):
t = fixtures.track_1()
c1 = fixtures.collection_1().add_tracks([t])
c2 = fixtures.collection_2().add_tracks([t])
self.assertEqual(t.collections, [c1, c2])
def test_artist_collections_stat_several_artist(self):
a1 = fixtures.artist_1()
a2 = fixtures.artist_2()
t1 = fixtures.track_1()
t2 = fixtures.track_2()
t1.artist.add(a1)
t2.artist.add(a1, a2)
t1.save()
t2.save()
c1 = fixtures.collection_1()
c1.add_tracks([t1, t2])
c1.save()
c_stat = fixtures.collection_stat(collection=c1)
artist_frequency_counts = c_stat.update_artist_frequency_counts()
self.assertEqual(len(artist_frequency_counts), 2)
a1_result = next(x for x in artist_frequency_counts if x.artist.id == a1.id)
a2_result = next(x for x in artist_frequency_counts if x.artist.id == a2.id)
self.assertIsNotNone(a1_result)
self.assertIsNotNone(a2_result)
self.assertEqual(a1_result.frequency, 2)
self.assertEqual(a2_result.frequency, 1)
def test_track_add_ordinal(self):
c = fixtures.collection_1()
t2, t1 = fixtures.track_2(), fixtures.track_1()
c = c.add_tracks([t1, t2])
self.assertEqual([t for t in c.tracks], [t1, t2])
def test_track_add_respects_order_when_called_twice(self):
c = fixtures.collection_1()
t1, t2, t3 = fixtures.track_1(), fixtures.track_2(), fixtures.track_3()
c = c.add_tracks([t1, t2])
c = c.add_tracks([t3])
self.assertEqual([t for t in c.tracks], [t1, t2, t3])
def test_duration_sum(self):
c = fixtures.collection_1()
duration1 = datetime.timedelta(minutes=0, seconds=18)
duration2 = datetime.timedelta(minutes=0, seconds=100)
t1 = fixtures.track_1(duration=duration1)
t2 = fixtures.track_2(duration=duration2)
c.add_tracks([t1, t2])
actual = c.duration
expected = t1.duration + t2.duration
self.assertEqual(actual.seconds, expected.seconds)
def test_collection_track_constraint(self):
c = fixtures.collection_1(name="c1")
TrackInCollection.objects.create(
track=fixtures.track_1(name="t1"),
collection=c,
ordinal=1,
)
# Test the constraint for ordinal in the collection
with self.assertRaises(Exception):
TrackInCollection.objects.create(
track=fixtures.track_1(name="t2"),
collection=c,
ordinal=1,
)
def test_duplicate_tracks_from_two_collections(self):
a1, a2, a3 = fixtures.artist_1(), fixtures.artist_2(), fixtures.artist_3()
t1, t2, t3, t4 = fixtures.track_1(), fixtures.track_2(), fixtures.track_3(), fixtures.track_3(name="Track 4")
c1, c2 = fixtures.collection_1(), fixtures.collection_2()
# Wire the collections
t1.artist.add(a1)
t2.artist.add(a1, a2)
t3.artist.add(a1, a2, a3)
t4.artist.add(a1)
c1.add_tracks([t1, t2, t4])
c2.add_tracks([t2, t3, t4])
_ = fixtures.collection_stat(collection=c1)
_ = fixtures.collection_stat(collection=c2)
l_stat = fixtures.library_stat()
duplicate_tracks = l_stat.update_duplicate_tracks()
track_ids = {dt.track_id for dt in duplicate_tracks}
self.assertEqual(set([t2.id, t4.id]), track_ids)
def test_artist_collections_stat_single_artist(self):
artist = fixtures.artist_1()
t1 = fixtures.track_1()
t2 = fixtures.track_2()
t1.artist.add(artist)
t2.artist.add(artist)
t1.save()
t2.save()
c1 = fixtures.collection_1()
c1.add_tracks([t1, t2])
c1.save()
c_stat = fixtures.collection_stat(collection=c1)
artist_frequency_counts = c_stat.update_artist_frequency_counts()
self.assertEqual(len(artist_frequency_counts), 1)
artist_frequency_count = artist_frequency_counts[0]
self.assertEqual(artist_frequency_count.artist, artist)
self.assertEqual(artist_frequency_count.frequency, 2)
def test_track_count(self):
c = fixtures.collection_1()
c = c.add_tracks([fixtures.track_1(), fixtures.track_2()])
self.assertEqual(c.number_of_tracks(), 2)
def test_empty_tracks(self):
c = fixtures.collection_1()
self.assertEqual(c.number_of_tracks(), 0)
def test_empty_collection_duration(self):
c = fixtures.collection_1()
self.assertEqual(c.duration.seconds, 0)