def test_de_json_none(self, client):
assert AlbumEvent.de_json({}, client) is None
def test_de_json_all(self, client, album, track):
json_dict = {'album': album.to_dict(), 'tracks': [track.to_dict()]}
album_event = AlbumEvent.de_json(json_dict, client)
assert album_event.album == album
assert album_event.tracks == [track]