def test_de_json_all(self, client, artist, track):
json_dict = {
'artist': artist.to_dict(),
'tracks': [track.to_dict()],
'similar_to_artists_from_history': [artist.to_dict()]
}
artist_event = ArtistEvent.de_json(json_dict, client)
assert artist_event.artist == artist
assert artist_event.tracks == [track]
assert artist_event.similar_to_artists_from_history == [artist]
def test_de_json_none(self, client):
assert ArtistEvent.de_json({}, client) is None