def test_cannot_max_500_tracks_per_playlist(factories, preferences):
preferences["playlists__max_tracks"] = 2
playlist = factories["playlists.Playlist"]()
factories["playlists.PlaylistTrack"].create_batch(size=2, playlist=playlist)
track = factories["music.Track"]()
serializer = serializers.PlaylistTrackWriteSerializer(
data={"playlist": playlist.pk, "track": track.pk}
)
assert serializer.is_valid() is False
assert "playlist" in serializer.errors
def test_create_insert_is_called_when_index_is_None(factories, mocker):
insert = mocker.spy(models.Playlist, "insert")
playlist = factories["playlists.Playlist"]()
track = factories["music.Track"]()
serializer = serializers.PlaylistTrackWriteSerializer(
data={"playlist": playlist.pk, "track": track.pk, "index": None}
)
assert serializer.is_valid() is True
plt = serializer.save()
insert.assert_called_once_with(playlist, plt, None, True)
assert plt.index == 0
def test_create_insert_is_called_when_index_is_provided(factories, mocker):
playlist = factories["playlists.Playlist"]()
first = factories["playlists.PlaylistTrack"](playlist=playlist, index=0)
insert = mocker.spy(models.Playlist, "insert")
factories["playlists.Playlist"]()
track = factories["music.Track"]()
serializer = serializers.PlaylistTrackWriteSerializer(
data={"playlist": playlist.pk, "track": track.pk, "index": 0}
)
assert serializer.is_valid() is True
plt = serializer.save()
first.refresh_from_db()
insert.assert_called_once_with(playlist, plt, 0, True)
assert plt.index == 0
assert first.index == 1
def test_update_insert_is_called_with_duplicate_override_when_duplicates_allowed(
factories, mocker
):
playlist = factories["playlists.Playlist"]()
plt = factories["playlists.PlaylistTrack"](playlist=playlist, index=0)
insert = mocker.spy(models.Playlist, "insert")
factories["playlists.Playlist"]()
factories["music.Track"]()
serializer = serializers.PlaylistTrackWriteSerializer(
plt,
data={
"playlist": playlist.pk,
"track": plt.track.pk,
"index": 0,
"allow_duplicates": True,
},
)
assert serializer.is_valid() is True
plt = serializer.save()
insert.assert_called_once_with(playlist, plt, 0, True)