from yandex_music import AlbumEvent


class TestAlbumEvent:
    def test_expected_values(self, album_event, album, track):
        assert album_event.album == album
        assert album_event.tracks == [track]

    def test_de_json_none(self, client):
        assert AlbumEvent.de_json({}, client) is None

    def test_de_list_none(self, client):
        assert AlbumEvent.de_list({}, client) == []

    def test_de_json_required(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]

    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]

    def test_equality(self, album, track, artist_event):
        a = AlbumEvent(album, track)
        b = AlbumEvent(None, track)
        c = AlbumEvent(album, track)

        assert a != b != artist_event
        assert hash(a) != hash(b) != hash(artist_event)
        assert a is not b is not artist_event

        assert a == c