import json
import unittest

from mopidy.models import (
    Album,
    Artist,
    Image,
    ModelJSONEncoder,
    Playlist,
    Ref,
    SearchResult,
    TlTrack,
    Track,
    model_json_decoder,
)


class InheritanceTest(unittest.TestCase):
    def test_weakref_and_slots_play_nice_in_subclass(self):
        # Check that the following does not happen:
        # TypeError: Error when calling the metaclass bases
        #   __weakref__ slot disallowed: either we already got one...

        class Foo(Track):
            pass

    def test_sub_class_can_have_its_own_slots(self):
        # Needed for things like SpotifyTrack in mopidy-spotify 1.x

        class Foo(Track):
            __slots__ = ("_foo",)

        f = Foo()
        f._foo = 123

    def test_sub_class_can_be_initialized(self):
        # Fails with following error if fields are not handled across classes.
        #   TypeError: __init__() got an unexpected keyword argument "type"
        # Essentially this is testing that sub-classes take parent _fields into
        # account.

        class Foo(Ref):
            pass

        Foo.directory()


class CachingTest(unittest.TestCase):
    def test_same_instance(self):
        assert Track() is Track()

    def test_same_instance_with_values(self):
        assert Track(uri="test") is Track(uri="test")

    def test_different_instance_with_different_values(self):
        assert Track(uri="test1") is not Track(uri="test2")

    def test_different_instance_with_replace(self):
        t = Track(uri="test1")
        assert t is not t.replace(uri="test2")


class GenericReplaceTest(unittest.TestCase):
    def compare(self, orig, other):
        assert orig == other
        assert id(orig) == id(other)

    def test_replace_track(self):
        track = Track()
        self.compare(track, track.replace())

    def test_replace_artist(self):
        artist = Artist()
        self.compare(artist, artist.replace())

    def test_replace_album(self):
        album = Album()
        self.compare(album, album.replace())

    def test_replace_playlist(self):
        playlist = Playlist()
        self.compare(playlist, playlist.replace())

    def test_replace_track_with_basic_values(self):
        track = Track(name="foo", uri="bar")
        other = track.replace(name="baz")
        assert "baz" == other.name
        assert "bar" == other.uri

    def test_replace_track_with_missing_values(self):
        track = Track(uri="bar")
        other = track.replace(name="baz")
        assert "baz" == other.name
        assert "bar" == other.uri

    def test_replace_track_with_private_internal_value(self):
        artist1 = Artist(name="foo")
        artist2 = Artist(name="bar")
        track = Track(artists=[artist1])
        other = track.replace(artists=[artist2])
        assert artist2 in other.artists

    def test_replace_track_with_invalid_key(self):
        with self.assertRaises(TypeError):
            Track().replace(invalid_key=True)

    def test_replace_track_to_remove(self):
        track = Track(name="foo").replace(name=None)
        assert not hasattr(track, "_name")


class RefTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        ref = Ref(uri=uri)
        assert ref.uri == uri
        with self.assertRaises(AttributeError):
            ref.uri = None

    def test_name(self):
        name = "a name"
        ref = Ref(name=name)
        assert ref.name == name
        with self.assertRaises(AttributeError):
            ref.name = None

    # TODO: add these for the more of the models?
    def test_del_name(self):
        ref = Ref(name="foo")
        with self.assertRaises(AttributeError):
            del ref.name

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            Ref(foo="baz")

    def test_repr_without_results(self):
        assert "Ref(name='foo', type='artist', uri='uri')" == repr(
            Ref(uri="uri", name="foo", type="artist")
        )

    def test_serialize_without_results(self):
        self.assertDictEqual(
            {"__model__": "Ref", "uri": "uri"}, Ref(uri="uri").serialize()
        )

    def test_to_json_and_back(self):
        ref1 = Ref(uri="uri")
        serialized = json.dumps(ref1, cls=ModelJSONEncoder)
        ref2 = json.loads(serialized, object_hook=model_json_decoder)
        assert ref1 == ref2

    def test_type_constants(self):
        assert Ref.ALBUM == "album"
        assert Ref.ARTIST == "artist"
        assert Ref.DIRECTORY == "directory"
        assert Ref.PLAYLIST == "playlist"
        assert Ref.TRACK == "track"

    def test_album_constructor(self):
        ref = Ref.album(uri="foo", name="bar")
        assert ref.uri == "foo"
        assert ref.name == "bar"
        assert ref.type == Ref.ALBUM

    def test_artist_constructor(self):
        ref = Ref.artist(uri="foo", name="bar")
        assert ref.uri == "foo"
        assert ref.name == "bar"
        assert ref.type == Ref.ARTIST

    def test_directory_constructor(self):
        ref = Ref.directory(uri="foo", name="bar")
        assert ref.uri == "foo"
        assert ref.name == "bar"
        assert ref.type == Ref.DIRECTORY

    def test_playlist_constructor(self):
        ref = Ref.playlist(uri="foo", name="bar")
        assert ref.uri == "foo"
        assert ref.name == "bar"
        assert ref.type == Ref.PLAYLIST

    def test_track_constructor(self):
        ref = Ref.track(uri="foo", name="bar")
        assert ref.uri == "foo"
        assert ref.name == "bar"
        assert ref.type == Ref.TRACK


class ImageTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        image = Image(uri=uri)
        assert image.uri == uri
        with self.assertRaises(AttributeError):
            image.uri = None

    def test_width(self):
        image = Image(width=100)
        assert image.width == 100
        with self.assertRaises(AttributeError):
            image.width = None

    def test_height(self):
        image = Image(height=100)
        assert image.height == 100
        with self.assertRaises(AttributeError):
            image.height = None

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            Image(foo="baz")


class ArtistTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        artist = Artist(uri=uri)
        assert artist.uri == uri
        with self.assertRaises(AttributeError):
            artist.uri = None

    def test_name(self):
        name = "a name"
        artist = Artist(name=name)
        assert artist.name == name
        with self.assertRaises(AttributeError):
            artist.name = None

    def test_musicbrainz_id(self):
        mb_id = "mb-id"
        artist = Artist(musicbrainz_id=mb_id)
        assert artist.musicbrainz_id == mb_id
        with self.assertRaises(AttributeError):
            artist.musicbrainz_id = None

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            Artist(foo="baz")

    def test_invalid_kwarg_with_name_matching_method(self):
        with self.assertRaises(TypeError):
            Artist(replace="baz")

        with self.assertRaises(TypeError):
            Artist(serialize="baz")

    def test_repr(self):
        assert "Artist(name='name', uri='uri')" == repr(
            Artist(uri="uri", name="name")
        )

    def test_serialize(self):
        self.assertDictEqual(
            {"__model__": "Artist", "uri": "uri", "name": "name"},
            Artist(uri="uri", name="name").serialize(),
        )

    def test_serialize_falsy_values(self):
        self.assertDictEqual(
            {"__model__": "Artist", "uri": "", "name": ""},
            Artist(uri="", name="").serialize(),
        )

    def test_to_json_and_back(self):
        artist1 = Artist(uri="uri", name="name")
        serialized = json.dumps(artist1, cls=ModelJSONEncoder)
        artist2 = json.loads(serialized, object_hook=model_json_decoder)
        assert artist1 == artist2

    def test_to_json_and_back_with_unknown_field(self):
        artist = Artist(uri="uri", name="name").serialize()
        artist["foo"] = "foo"
        serialized = json.dumps(artist)
        with self.assertRaises(TypeError):
            json.loads(serialized, object_hook=model_json_decoder)

    def test_to_json_and_back_with_field_matching_method(self):
        artist = Artist(uri="uri", name="name").serialize()
        artist["copy"] = "foo"
        serialized = json.dumps(artist)
        with self.assertRaises(TypeError):
            json.loads(serialized, object_hook=model_json_decoder)

    def test_to_json_and_back_with_field_matching_internal_field(self):
        artist = Artist(uri="uri", name="name").serialize()
        artist["__mro__"] = "foo"
        serialized = json.dumps(artist)
        with self.assertRaises(TypeError):
            json.loads(serialized, object_hook=model_json_decoder)

    def test_eq_name(self):
        artist1 = Artist(name="name")
        artist2 = Artist(name="name")
        assert artist1 == artist2
        assert hash(artist1) == hash(artist2)

    def test_eq_uri(self):
        artist1 = Artist(uri="uri")
        artist2 = Artist(uri="uri")
        assert artist1 == artist2
        assert hash(artist1) == hash(artist2)

    def test_eq_musibrainz_id(self):
        artist1 = Artist(musicbrainz_id="id")
        artist2 = Artist(musicbrainz_id="id")
        assert artist1 == artist2
        assert hash(artist1) == hash(artist2)

    def test_eq(self):
        artist1 = Artist(uri="uri", name="name", musicbrainz_id="id")
        artist2 = Artist(uri="uri", name="name", musicbrainz_id="id")
        assert artist1 == artist2
        assert hash(artist1) == hash(artist2)

    def test_eq_none(self):
        assert Artist() is not None

    def test_eq_other(self):
        assert Artist() != "other"

    def test_ne_name(self):
        artist1 = Artist(name="name1")
        artist2 = Artist(name="name2")
        assert artist1 != artist2
        assert hash(artist1) != hash(artist2)

    def test_ne_uri(self):
        artist1 = Artist(uri="uri1")
        artist2 = Artist(uri="uri2")
        assert artist1 != artist2
        assert hash(artist1) != hash(artist2)

    def test_ne_musicbrainz_id(self):
        artist1 = Artist(musicbrainz_id="id1")
        artist2 = Artist(musicbrainz_id="id2")
        assert artist1 != artist2
        assert hash(artist1) != hash(artist2)

    def test_ne(self):
        artist1 = Artist(uri="uri1", name="name1", musicbrainz_id="id1")
        artist2 = Artist(uri="uri2", name="name2", musicbrainz_id="id2")
        assert artist1 != artist2
        assert hash(artist1) != hash(artist2)


class AlbumTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        album = Album(uri=uri)
        assert album.uri == uri
        with self.assertRaises(AttributeError):
            album.uri = None

    def test_name(self):
        name = "a name"
        album = Album(name=name)
        assert album.name == name
        with self.assertRaises(AttributeError):
            album.name = None

    def test_artists(self):
        artist = Artist()
        album = Album(artists=[artist])
        assert artist in album.artists
        with self.assertRaises(AttributeError):
            album.artists = None

    def test_artists_none(self):
        assert set() == Album(artists=None).artists

    def test_num_tracks(self):
        num_tracks = 11
        album = Album(num_tracks=num_tracks)
        assert album.num_tracks == num_tracks
        with self.assertRaises(AttributeError):
            album.num_tracks = None

    def test_num_discs(self):
        num_discs = 2
        album = Album(num_discs=num_discs)
        assert album.num_discs == num_discs
        with self.assertRaises(AttributeError):
            album.num_discs = None

    def test_date(self):
        date = "1977-01-01"
        album = Album(date=date)
        assert album.date == date
        with self.assertRaises(AttributeError):
            album.date = None

    def test_musicbrainz_id(self):
        mb_id = "mb-id"
        album = Album(musicbrainz_id=mb_id)
        assert album.musicbrainz_id == mb_id
        with self.assertRaises(AttributeError):
            album.musicbrainz_id = None

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            Album(foo="baz")

    def test_repr_without_artists(self):
        assert "Album(name='name', uri='uri')" == repr(
            Album(uri="uri", name="name")
        )

    def test_repr_with_artists(self):
        assert (
            "Album(artists=[Artist(name='foo')], name='name', uri='uri')"
            == repr(Album(uri="uri", name="name", artists=[Artist(name="foo")]))
        )

    def test_serialize_without_artists(self):
        self.assertDictEqual(
            {"__model__": "Album", "uri": "uri", "name": "name"},
            Album(uri="uri", name="name").serialize(),
        )

    def test_serialize_with_artists(self):
        artist = Artist(name="foo")
        self.assertDictEqual(
            {
                "__model__": "Album",
                "uri": "uri",
                "name": "name",
                "artists": [artist.serialize()],
            },
            Album(uri="uri", name="name", artists=[artist]).serialize(),
        )

    def test_to_json_and_back(self):
        album1 = Album(uri="uri", name="name", artists=[Artist(name="foo")])
        serialized = json.dumps(album1, cls=ModelJSONEncoder)
        album2 = json.loads(serialized, object_hook=model_json_decoder)
        assert album1 == album2

    def test_eq_name(self):
        album1 = Album(name="name")
        album2 = Album(name="name")
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_uri(self):
        album1 = Album(uri="uri")
        album2 = Album(uri="uri")
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_artists(self):
        artists = [Artist()]
        album1 = Album(artists=artists)
        album2 = Album(artists=artists)
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_artists_order(self):
        artist1 = Artist(name="name1")
        artist2 = Artist(name="name2")
        album1 = Album(artists=[artist1, artist2])
        album2 = Album(artists=[artist2, artist1])
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_num_tracks(self):
        album1 = Album(num_tracks=2)
        album2 = Album(num_tracks=2)
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_date(self):
        date = "1977-01-01"
        album1 = Album(date=date)
        album2 = Album(date=date)
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_musibrainz_id(self):
        album1 = Album(musicbrainz_id="id")
        album2 = Album(musicbrainz_id="id")
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq(self):
        artists = [Artist()]
        album1 = Album(
            name="name",
            uri="uri",
            artists=artists,
            num_tracks=2,
            musicbrainz_id="id",
        )
        album2 = Album(
            name="name",
            uri="uri",
            artists=artists,
            num_tracks=2,
            musicbrainz_id="id",
        )
        assert album1 == album2
        assert hash(album1) == hash(album2)

    def test_eq_none(self):
        assert Album() is not None

    def test_eq_other(self):
        assert Album() != "other"

    def test_ne_name(self):
        album1 = Album(name="name1")
        album2 = Album(name="name2")
        assert album1 != album2
        assert hash(album1) != hash(album2)

    def test_ne_uri(self):
        album1 = Album(uri="uri1")
        album2 = Album(uri="uri2")
        assert album1 != album2
        assert hash(album1) != hash(album2)

    def test_ne_artists(self):
        album1 = Album(artists=[Artist(name="name1")])
        album2 = Album(artists=[Artist(name="name2")])
        assert album1 != album2
        assert hash(album1) != hash(album2)

    def test_ne_num_tracks(self):
        album1 = Album(num_tracks=1)
        album2 = Album(num_tracks=2)
        assert album1 != album2
        assert hash(album1) != hash(album2)

    def test_ne_date(self):
        album1 = Album(date="1977-01-01")
        album2 = Album(date="1977-01-02")
        assert album1 != album2
        assert hash(album1) != hash(album2)

    def test_ne_musicbrainz_id(self):
        album1 = Album(musicbrainz_id="id1")
        album2 = Album(musicbrainz_id="id2")
        assert album1 != album2
        assert hash(album1) != hash(album2)

    def test_ne(self):
        album1 = Album(
            name="name1",
            uri="uri1",
            artists=[Artist(name="name1")],
            num_tracks=1,
            musicbrainz_id="id1",
        )
        album2 = Album(
            name="name2",
            uri="uri2",
            artists=[Artist(name="name2")],
            num_tracks=2,
            musicbrainz_id="id2",
        )
        assert album1 != album2
        assert hash(album1) != hash(album2)


class TrackTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        track = Track(uri=uri)
        assert track.uri == uri
        with self.assertRaises(AttributeError):
            track.uri = None

    def test_name(self):
        name = "a name"
        track = Track(name=name)
        assert track.name == name
        with self.assertRaises(AttributeError):
            track.name = None

    def test_artists(self):
        artists = [Artist(name="name1"), Artist(name="name2")]
        track = Track(artists=artists)
        assert set(track.artists) == set(artists)
        with self.assertRaises(AttributeError):
            track.artists = None

    def test_artists_none(self):
        assert set() == Track(artists=None).artists

    def test_composers(self):
        artists = [Artist(name="name1"), Artist(name="name2")]
        track = Track(composers=artists)
        assert set(track.composers) == set(artists)
        with self.assertRaises(AttributeError):
            track.composers = None

    def test_composers_none(self):
        assert set() == Track(composers=None).composers

    def test_performers(self):
        artists = [Artist(name="name1"), Artist(name="name2")]
        track = Track(performers=artists)
        assert set(track.performers) == set(artists)
        with self.assertRaises(AttributeError):
            track.performers = None

    def test_performers_none(self):
        assert set() == Track(performers=None).performers

    def test_album(self):
        album = Album()
        track = Track(album=album)
        assert track.album == album
        with self.assertRaises(AttributeError):
            track.album = None

    def test_track_no(self):
        track_no = 7
        track = Track(track_no=track_no)
        assert track.track_no == track_no
        with self.assertRaises(AttributeError):
            track.track_no = None

    def test_disc_no(self):
        disc_no = 2
        track = Track(disc_no=disc_no)
        assert track.disc_no == disc_no
        with self.assertRaises(AttributeError):
            track.disc_no = None

    def test_date(self):
        date = "1977-01-01"
        track = Track(date=date)
        assert track.date == date
        with self.assertRaises(AttributeError):
            track.date = None

    def test_length(self):
        length = 137000
        track = Track(length=length)
        assert track.length == length
        with self.assertRaises(AttributeError):
            track.length = None

    def test_bitrate(self):
        bitrate = 160
        track = Track(bitrate=bitrate)
        assert track.bitrate == bitrate
        with self.assertRaises(AttributeError):
            track.bitrate = None

    def test_musicbrainz_id(self):
        mb_id = "mb-id"
        track = Track(musicbrainz_id=mb_id)
        assert track.musicbrainz_id == mb_id
        with self.assertRaises(AttributeError):
            track.musicbrainz_id = None

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            Track(foo="baz")

    def test_repr_without_artists(self):
        assert "Track(name='name', uri='uri')" == repr(
            Track(uri="uri", name="name")
        )

    def test_repr_with_artists(self):
        assert (
            "Track(artists=[Artist(name='foo')], name='name', uri='uri')"
            == repr(Track(uri="uri", name="name", artists=[Artist(name="foo")]))
        )

    def test_serialize_without_artists(self):
        self.assertDictEqual(
            {"__model__": "Track", "uri": "uri", "name": "name"},
            Track(uri="uri", name="name").serialize(),
        )

    def test_serialize_with_artists(self):
        artist = Artist(name="foo")
        self.assertDictEqual(
            {
                "__model__": "Track",
                "uri": "uri",
                "name": "name",
                "artists": [artist.serialize()],
            },
            Track(uri="uri", name="name", artists=[artist]).serialize(),
        )

    def test_serialize_with_album(self):
        album = Album(name="foo")
        self.assertDictEqual(
            {
                "__model__": "Track",
                "uri": "uri",
                "name": "name",
                "album": album.serialize(),
            },
            Track(uri="uri", name="name", album=album).serialize(),
        )

    def test_to_json_and_back(self):
        track1 = Track(
            uri="uri",
            name="name",
            album=Album(name="foo"),
            artists=[Artist(name="foo")],
        )
        serialized = json.dumps(track1, cls=ModelJSONEncoder)
        track2 = json.loads(serialized, object_hook=model_json_decoder)
        assert track1 == track2

    def test_eq_uri(self):
        track1 = Track(uri="uri1")
        track2 = Track(uri="uri1")
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_name(self):
        track1 = Track(name="name1")
        track2 = Track(name="name1")
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_artists(self):
        artists = [Artist()]
        track1 = Track(artists=artists)
        track2 = Track(artists=artists)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_artists_order(self):
        artist1 = Artist(name="name1")
        artist2 = Artist(name="name2")
        track1 = Track(artists=[artist1, artist2])
        track2 = Track(artists=[artist2, artist1])
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_album(self):
        album = Album()
        track1 = Track(album=album)
        track2 = Track(album=album)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_track_no(self):
        track1 = Track(track_no=1)
        track2 = Track(track_no=1)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_date(self):
        date = "1977-01-01"
        track1 = Track(date=date)
        track2 = Track(date=date)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_length(self):
        track1 = Track(length=100)
        track2 = Track(length=100)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_bitrate(self):
        track1 = Track(bitrate=100)
        track2 = Track(bitrate=100)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_musibrainz_id(self):
        track1 = Track(musicbrainz_id="id")
        track2 = Track(musicbrainz_id="id")
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq(self):
        date = "1977-01-01"
        artists = [Artist()]
        album = Album()
        track1 = Track(
            uri="uri",
            name="name",
            artists=artists,
            album=album,
            track_no=1,
            date=date,
            length=100,
            bitrate=100,
            musicbrainz_id="id",
        )
        track2 = Track(
            uri="uri",
            name="name",
            artists=artists,
            album=album,
            track_no=1,
            date=date,
            length=100,
            bitrate=100,
            musicbrainz_id="id",
        )
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_eq_none(self):
        assert Track() is not None

    def test_eq_other(self):
        assert Track() != "other"

    def test_ne_uri(self):
        track1 = Track(uri="uri1")
        track2 = Track(uri="uri2")
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_name(self):
        track1 = Track(name="name1")
        track2 = Track(name="name2")
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_artists(self):
        track1 = Track(artists=[Artist(name="name1")])
        track2 = Track(artists=[Artist(name="name2")])
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_album(self):
        track1 = Track(album=Album(name="name1"))
        track2 = Track(album=Album(name="name2"))
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_track_no(self):
        track1 = Track(track_no=1)
        track2 = Track(track_no=2)
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_date(self):
        track1 = Track(date="1977-01-01")
        track2 = Track(date="1977-01-02")
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_length(self):
        track1 = Track(length=100)
        track2 = Track(length=200)
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_bitrate(self):
        track1 = Track(bitrate=100)
        track2 = Track(bitrate=200)
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne_musicbrainz_id(self):
        track1 = Track(musicbrainz_id="id1")
        track2 = Track(musicbrainz_id="id2")
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ne(self):
        track1 = Track(
            uri="uri1",
            name="name1",
            artists=[Artist(name="name1")],
            album=Album(name="name1"),
            track_no=1,
            date="1977-01-01",
            length=100,
            bitrate=100,
            musicbrainz_id="id1",
        )
        track2 = Track(
            uri="uri2",
            name="name2",
            artists=[Artist(name="name2")],
            album=Album(name="name2"),
            track_no=2,
            date="1977-01-02",
            length=200,
            bitrate=200,
            musicbrainz_id="id2",
        )
        assert track1 != track2
        assert hash(track1) != hash(track2)

    def test_ignores_values_with_default_value_none(self):
        track1 = Track(name="name1")
        track2 = Track(name="name1", album=None)
        assert track1 == track2
        assert hash(track1) == hash(track2)

    def test_replace_can_reset_to_default_value(self):
        track1 = Track(name="name1")
        track2 = Track(name="name1", album=Album()).replace(album=None)
        assert track1 == track2
        assert hash(track1) == hash(track2)


class TlTrackTest(unittest.TestCase):
    def test_tlid(self):
        tlid = 123
        tl_track = TlTrack(tlid=tlid)
        assert tl_track.tlid == tlid
        with self.assertRaises(AttributeError):
            tl_track.tlid = None

    def test_track(self):
        track = Track()
        tl_track = TlTrack(track=track)
        assert tl_track.track == track
        with self.assertRaises(AttributeError):
            tl_track.track = None

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            TlTrack(foo="baz")

    def test_positional_args(self):
        tlid = 123
        track = Track()
        tl_track = TlTrack(tlid, track)
        assert tl_track.tlid == tlid
        assert tl_track.track == track

    def test_iteration(self):
        tlid = 123
        track = Track()
        tl_track = TlTrack(tlid, track)
        (tlid2, track2) = tl_track
        assert tlid2 == tlid
        assert track2 == track

    def test_repr(self):
        assert "TlTrack(tlid=123, track=Track(uri='uri'))" == repr(
            TlTrack(tlid=123, track=Track(uri="uri"))
        )

    def test_serialize(self):
        track = Track(uri="uri", name="name")
        self.assertDictEqual(
            {"__model__": "TlTrack", "tlid": 123, "track": track.serialize()},
            TlTrack(tlid=123, track=track).serialize(),
        )

    def test_to_json_and_back(self):
        tl_track1 = TlTrack(tlid=123, track=Track(uri="uri", name="name"))
        serialized = json.dumps(tl_track1, cls=ModelJSONEncoder)
        tl_track2 = json.loads(serialized, object_hook=model_json_decoder)
        assert tl_track1 == tl_track2

    def test_eq(self):
        tlid = 123
        track = Track()
        tl_track1 = TlTrack(tlid=tlid, track=track)
        tl_track2 = TlTrack(tlid=tlid, track=track)
        assert tl_track1 == tl_track2
        assert hash(tl_track1) == hash(tl_track2)

    def test_eq_none(self):
        assert TlTrack() is not None

    def test_eq_other(self):
        assert TlTrack() != "other"

    def test_ne_tlid(self):
        tl_track1 = TlTrack(tlid=123)
        tl_track2 = TlTrack(tlid=321)
        assert tl_track1 != tl_track2
        assert hash(tl_track1) != hash(tl_track2)

    def test_ne_track(self):
        tl_track1 = TlTrack(track=Track(uri="a"))
        tl_track2 = TlTrack(track=Track(uri="b"))
        assert tl_track1 != tl_track2
        assert hash(tl_track1) != hash(tl_track2)


class PlaylistTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        playlist = Playlist(uri=uri)
        assert playlist.uri == uri
        with self.assertRaises(AttributeError):
            playlist.uri = None

    def test_name(self):
        name = "a name"
        playlist = Playlist(name=name)
        assert playlist.name == name
        with self.assertRaises(AttributeError):
            playlist.name = None

    def test_tracks(self):
        tracks = [Track(), Track(), Track()]
        playlist = Playlist(tracks=tracks)
        assert list(playlist.tracks) == tracks
        with self.assertRaises(AttributeError):
            playlist.tracks = None

    def test_length(self):
        tracks = [Track(), Track(), Track()]
        playlist = Playlist(tracks=tracks)
        assert playlist.length == 3

    def test_last_modified(self):
        last_modified = 1390942873000
        playlist = Playlist(last_modified=last_modified)
        assert playlist.last_modified == last_modified
        with self.assertRaises(AttributeError):
            playlist.last_modified = None

    def test_with_new_uri(self):
        tracks = [Track()]
        last_modified = 1390942873000
        playlist = Playlist(
            uri="an uri",
            name="a name",
            tracks=tracks,
            last_modified=last_modified,
        )
        new_playlist = playlist.replace(uri="another uri")
        assert new_playlist.uri == "another uri"
        assert new_playlist.name == "a name"
        assert list(new_playlist.tracks) == tracks
        assert new_playlist.last_modified == last_modified

    def test_with_new_name(self):
        tracks = [Track()]
        last_modified = 1390942873000
        playlist = Playlist(
            uri="an uri",
            name="a name",
            tracks=tracks,
            last_modified=last_modified,
        )
        new_playlist = playlist.replace(name="another name")
        assert new_playlist.uri == "an uri"
        assert new_playlist.name == "another name"
        assert list(new_playlist.tracks) == tracks
        assert new_playlist.last_modified == last_modified

    def test_with_new_tracks(self):
        tracks = [Track()]
        last_modified = 1390942873000
        playlist = Playlist(
            uri="an uri",
            name="a name",
            tracks=tracks,
            last_modified=last_modified,
        )
        new_tracks = [Track(), Track()]
        new_playlist = playlist.replace(tracks=new_tracks)
        assert new_playlist.uri == "an uri"
        assert new_playlist.name == "a name"
        assert list(new_playlist.tracks) == new_tracks
        assert new_playlist.last_modified == last_modified

    def test_with_new_last_modified(self):
        tracks = [Track()]
        last_modified = 1390942873000
        new_last_modified = last_modified + 1000
        playlist = Playlist(
            uri="an uri",
            name="a name",
            tracks=tracks,
            last_modified=last_modified,
        )
        new_playlist = playlist.replace(last_modified=new_last_modified)
        assert new_playlist.uri == "an uri"
        assert new_playlist.name == "a name"
        assert list(new_playlist.tracks) == tracks
        assert new_playlist.last_modified == new_last_modified

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            Playlist(foo="baz")

    def test_repr_without_tracks(self):
        assert "Playlist(name='name', uri='uri')" == repr(
            Playlist(uri="uri", name="name")
        )

    def test_repr_with_tracks(self):
        assert (
            "Playlist(name='name', tracks=[Track(name='foo')], uri='uri')"
            == repr(
                Playlist(uri="uri", name="name", tracks=[Track(name="foo")])
            )
        )

    def test_serialize_without_tracks(self):
        self.assertDictEqual(
            {"__model__": "Playlist", "uri": "uri", "name": "name"},
            Playlist(uri="uri", name="name").serialize(),
        )

    def test_serialize_with_tracks(self):
        track = Track(name="foo")
        self.assertDictEqual(
            {
                "__model__": "Playlist",
                "uri": "uri",
                "name": "name",
                "tracks": [track.serialize()],
            },
            Playlist(uri="uri", name="name", tracks=[track]).serialize(),
        )

    def test_to_json_and_back(self):
        playlist1 = Playlist(uri="uri", name="name")
        serialized = json.dumps(playlist1, cls=ModelJSONEncoder)
        playlist2 = json.loads(serialized, object_hook=model_json_decoder)
        assert playlist1 == playlist2

    def test_eq_name(self):
        playlist1 = Playlist(name="name")
        playlist2 = Playlist(name="name")
        assert playlist1 == playlist2
        assert hash(playlist1) == hash(playlist2)

    def test_eq_uri(self):
        playlist1 = Playlist(uri="uri")
        playlist2 = Playlist(uri="uri")
        assert playlist1 == playlist2
        assert hash(playlist1) == hash(playlist2)

    def test_eq_tracks(self):
        tracks = [Track()]
        playlist1 = Playlist(tracks=tracks)
        playlist2 = Playlist(tracks=tracks)
        assert playlist1 == playlist2
        assert hash(playlist1) == hash(playlist2)

    def test_eq_last_modified(self):
        playlist1 = Playlist(last_modified=1)
        playlist2 = Playlist(last_modified=1)
        assert playlist1 == playlist2
        assert hash(playlist1) == hash(playlist2)

    def test_eq(self):
        tracks = [Track()]
        playlist1 = Playlist(
            uri="uri", name="name", tracks=tracks, last_modified=1
        )
        playlist2 = Playlist(
            uri="uri", name="name", tracks=tracks, last_modified=1
        )
        assert playlist1 == playlist2
        assert hash(playlist1) == hash(playlist2)

    def test_eq_none(self):
        assert Playlist() is not None

    def test_eq_other(self):
        assert Playlist() != "other"

    def test_ne_name(self):
        playlist1 = Playlist(name="name1")
        playlist2 = Playlist(name="name2")
        assert playlist1 != playlist2
        assert hash(playlist1) != hash(playlist2)

    def test_ne_uri(self):
        playlist1 = Playlist(uri="uri1")
        playlist2 = Playlist(uri="uri2")
        assert playlist1 != playlist2
        assert hash(playlist1) != hash(playlist2)

    def test_ne_tracks(self):
        playlist1 = Playlist(tracks=[Track(uri="uri1")])
        playlist2 = Playlist(tracks=[Track(uri="uri2")])
        assert playlist1 != playlist2
        assert hash(playlist1) != hash(playlist2)

    def test_ne_last_modified(self):
        playlist1 = Playlist(last_modified=1)
        playlist2 = Playlist(last_modified=2)
        assert playlist1 != playlist2
        assert hash(playlist1) != hash(playlist2)

    def test_ne(self):
        playlist1 = Playlist(
            uri="uri1",
            name="name1",
            tracks=[Track(uri="uri1")],
            last_modified=1,
        )
        playlist2 = Playlist(
            uri="uri2",
            name="name2",
            tracks=[Track(uri="uri2")],
            last_modified=2,
        )
        assert playlist1 != playlist2
        assert hash(playlist1) != hash(playlist2)


class SearchResultTest(unittest.TestCase):
    def test_uri(self):
        uri = "an_uri"
        result = SearchResult(uri=uri)
        assert result.uri == uri
        with self.assertRaises(AttributeError):
            result.uri = None

    def test_tracks(self):
        tracks = [Track(), Track(), Track()]
        result = SearchResult(tracks=tracks)
        assert list(result.tracks) == tracks
        with self.assertRaises(AttributeError):
            result.tracks = None

    def test_artists(self):
        artists = [Artist(), Artist(), Artist()]
        result = SearchResult(artists=artists)
        assert list(result.artists) == artists
        with self.assertRaises(AttributeError):
            result.artists = None

    def test_albums(self):
        albums = [Album(), Album(), Album()]
        result = SearchResult(albums=albums)
        assert list(result.albums) == albums
        with self.assertRaises(AttributeError):
            result.albums = None

    def test_invalid_kwarg(self):
        with self.assertRaises(TypeError):
            SearchResult(foo="baz")

    def test_repr_without_results(self):
        assert "SearchResult(uri='uri')" == repr(SearchResult(uri="uri"))

    def test_serialize_without_results(self):
        self.assertDictEqual(
            {"__model__": "SearchResult", "uri": "uri"},
            SearchResult(uri="uri").serialize(),
        )