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    import io
    import pytest
    import uuid
    
    from django.core.paginator import Paginator
    from django.utils import timezone
    
    
    from funkwhale_api.federation import keys
    from funkwhale_api.federation import jsonld
    
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    from funkwhale_api.federation import models
    
    from funkwhale_api.federation import serializers
    
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    from funkwhale_api.federation import utils
    from funkwhale_api.music import licenses
    
    def test_actor_serializer_from_ap(db):
    
        private, public = keys.get_key_pair()
        actor_url = "https://test.federation/actor"
    
        payload = {
    
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            "@context": jsonld.get_default_context_fw(),
    
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            "type": "Person",
    
            "outbox": "https://test.com/outbox",
            "inbox": "https://test.com/inbox",
            "following": "https://test.com/following",
            "followers": "https://test.com/followers",
            "preferredUsername": "test",
            "name": "Test",
    
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            "summary": "Hello world",
    
            "manuallyApprovesFollowers": True,
    
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            "publicKey": {
    
                "publicKeyPem": public.decode("utf-8"),
                "owner": actor_url,
                "id": actor_url + "#main-key",
    
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            },
    
            "endpoints": {"sharedInbox": "https://noop.url/federation/shared/inbox"},
    
        }
    
        serializer = serializers.ActorSerializer(data=payload)
    
        assert serializer.is_valid(raise_exception=True)
    
        assert actor.fid == actor_url
        assert actor.url is None
    
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        assert actor.inbox_url == payload["inbox"]
        assert actor.shared_inbox_url == payload["endpoints"]["sharedInbox"]
    
        assert actor.outbox_url == payload["outbox"]
    
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        assert actor.following_url == payload["following"]
    
        assert actor.followers_url == payload["followers"]
        assert actor.followers_url == payload["followers"]
        assert actor.type == "Person"
    
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        assert actor.preferred_username == payload["preferredUsername"]
        assert actor.name == payload["name"]
        assert actor.summary == payload["summary"]
    
        assert actor.fid == actor_url
        assert actor.manually_approves_followers is True
        assert actor.private_key is None
        assert actor.public_key == payload["publicKey"]["publicKeyPem"]
        assert actor.domain_id == "test.federation"
    
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    def test_actor_serializer_only_mandatory_field_from_ap(db):
        payload = {
            "@context": jsonld.get_default_context(),
            "id": "https://test.federation/user",
            "type": "Person",
            "following": "https://test.federation/user/following",
            "followers": "https://test.federation/user/followers",
            "inbox": "https://test.federation/user/inbox",
            "outbox": "https://test.federation/user/outbox",
            "preferredUsername": "user",
        }
    
        serializer = serializers.ActorSerializer(data=payload)
        assert serializer.is_valid(raise_exception=True)
    
        actor = serializer.build()
    
        assert actor.fid == payload["id"]
        assert actor.inbox_url == payload["inbox"]
        assert actor.outbox_url == payload["outbox"]
        assert actor.followers_url == payload["followers"]
        assert actor.following_url == payload["following"]
        assert actor.preferred_username == payload["preferredUsername"]
        assert actor.domain.pk == "test.federation"
        assert actor.type == "Person"
        assert actor.manually_approves_followers is None
    
    
    def test_actor_serializer_to_ap():
        expected = {
            "@context": jsonld.get_default_context(),
            "id": "https://test.federation/user",
            "type": "Person",
            "following": "https://test.federation/user/following",
            "followers": "https://test.federation/user/followers",
            "inbox": "https://test.federation/user/inbox",
            "outbox": "https://test.federation/user/outbox",
            "preferredUsername": "user",
            "name": "Real User",
            "summary": "Hello world",
            "manuallyApprovesFollowers": False,
            "publicKey": {
                "id": "https://test.federation/user#main-key",
                "owner": "https://test.federation/user",
                "publicKeyPem": "yolo",
            },
            "endpoints": {"sharedInbox": "https://test.federation/inbox"},
        }
        ac = models.Actor(
            fid=expected["id"],
            inbox_url=expected["inbox"],
            outbox_url=expected["outbox"],
            shared_inbox_url=expected["endpoints"]["sharedInbox"],
            followers_url=expected["followers"],
            following_url=expected["following"],
            public_key=expected["publicKey"]["publicKeyPem"],
            preferred_username=expected["preferredUsername"],
            name=expected["name"],
            domain=models.Domain(pk="test.federation"),
            summary=expected["summary"],
            type="Person",
            manually_approves_followers=False,
        )
        serializer = serializers.ActorSerializer(ac)
    
        assert serializer.data == expected
    
    
    def test_webfinger_serializer():
        expected = {
            "subject": "acct:service@test.federation",
            "links": [
                {
                    "rel": "self",
                    "href": "https://test.federation/federation/instance/actor",
                    "type": "application/activity+json",
                }
            ],
            "aliases": ["https://test.federation/federation/instance/actor"],
        }
        actor = models.Actor(
            fid=expected["links"][0]["href"],
            preferred_username="service",
            domain=models.Domain(pk="test.federation"),
        )
        serializer = serializers.ActorWebfingerSerializer(actor)
    
        assert serializer.data == expected
    
    
    def test_follow_serializer_to_ap(factories):
        follow = factories["federation.Follow"](local=True)
        serializer = serializers.FollowSerializer(follow)
    
        expected = {
            "@context": jsonld.get_default_context(),
            "id": follow.get_federation_id(),
            "type": "Follow",
            "actor": follow.actor.fid,
            "object": follow.target.fid,
        }
    
        assert serializer.data == expected
    
    
    def test_follow_serializer_save(factories):
        actor = factories["federation.Actor"]()
        target = factories["federation.Actor"]()
    
        data = {
            "id": "https://test.follow",
            "type": "Follow",
            "actor": actor.fid,
            "object": target.fid,
        }
        serializer = serializers.FollowSerializer(data=data)
    
        assert serializer.is_valid(raise_exception=True)
    
        follow = serializer.save()
    
        assert follow.pk is not None
        assert follow.actor == actor
        assert follow.target == target
        assert follow.approved is None
    
    
    def test_follow_serializer_save_validates_on_context(factories):
        actor = factories["federation.Actor"]()
        target = factories["federation.Actor"]()
        impostor = factories["federation.Actor"]()
    
        data = {
            "id": "https://test.follow",
            "type": "Follow",
            "actor": actor.fid,
            "object": target.fid,
        }
        serializer = serializers.FollowSerializer(
            data=data, context={"follow_actor": impostor, "follow_target": impostor}
        )
    
        assert serializer.is_valid() is False
    
        assert "actor" in serializer.errors
        assert "object" in serializer.errors
    
    
    def test_accept_follow_serializer_representation(factories):
        follow = factories["federation.Follow"](approved=None)
    
        expected = {
            "@context": jsonld.get_default_context(),
            "id": follow.get_federation_id() + "/accept",
            "type": "Accept",
            "actor": follow.target.fid,
            "object": serializers.FollowSerializer(follow).data,
        }
    
        serializer = serializers.AcceptFollowSerializer(follow)
    
        assert serializer.data == expected
    
    
    def test_accept_follow_serializer_save(factories):
        follow = factories["federation.Follow"](approved=None)
    
        data = {
            "@context": jsonld.get_default_context_fw(),
            "id": follow.get_federation_id() + "/accept",
            "type": "Accept",
            "actor": follow.target.fid,
            "object": serializers.FollowSerializer(follow).data,
        }
    
        serializer = serializers.AcceptFollowSerializer(data=data)
        assert serializer.is_valid(raise_exception=True)
        serializer.save()
    
        follow.refresh_from_db()
    
        assert follow.approved is True
    
    
    def test_accept_follow_serializer_validates_on_context(factories):
        follow = factories["federation.Follow"](approved=None)
        impostor = factories["federation.Actor"]()
        data = {
            "@context": jsonld.get_default_context_fw(),
            "id": follow.get_federation_id() + "/accept",
            "type": "Accept",
            "actor": impostor.url,
            "object": serializers.FollowSerializer(follow).data,
        }
    
        serializer = serializers.AcceptFollowSerializer(
            data=data, context={"follow_actor": impostor, "follow_target": impostor}
        )
    
        assert serializer.is_valid() is False
        assert "actor" in serializer.errors["object"]
        assert "object" in serializer.errors["object"]
    
    
    def test_undo_follow_serializer_representation(factories):
        follow = factories["federation.Follow"](approved=True)
    
        expected = {
            "@context": jsonld.get_default_context(),
            "id": follow.get_federation_id() + "/undo",
            "type": "Undo",
            "actor": follow.actor.fid,
            "object": serializers.FollowSerializer(follow).data,
        }
    
        serializer = serializers.UndoFollowSerializer(follow)
    
        assert serializer.data == expected
    
    
    def test_undo_follow_serializer_save(factories):
        follow = factories["federation.Follow"](approved=True)
    
        data = {
            "@context": jsonld.get_default_context_fw(),
            "id": follow.get_federation_id() + "/undo",
            "type": "Undo",
            "actor": follow.actor.fid,
            "object": serializers.FollowSerializer(follow).data,
        }
    
        serializer = serializers.UndoFollowSerializer(data=data)
        assert serializer.is_valid(raise_exception=True)
        serializer.save()
    
        with pytest.raises(models.Follow.DoesNotExist):
            follow.refresh_from_db()
    
    
    def test_undo_follow_serializer_validates_on_context(factories):
        follow = factories["federation.Follow"](approved=True)
        impostor = factories["federation.Actor"]()
        data = {
            "@context": jsonld.get_default_context_fw(),
            "id": follow.get_federation_id() + "/undo",
            "type": "Undo",
            "actor": impostor.url,
            "object": serializers.FollowSerializer(follow).data,
        }
    
        serializer = serializers.UndoFollowSerializer(
            data=data, context={"follow_actor": impostor, "follow_target": impostor}
        )
    
        assert serializer.is_valid() is False
        assert "actor" in serializer.errors["object"]
        assert "object" in serializer.errors["object"]
    
    
    def test_paginated_collection_serializer(factories):
        uploads = factories["music.Upload"].create_batch(size=5)
        actor = factories["federation.Actor"](local=True)
    
        conf = {
            "id": "https://test.federation/test",
            "items": uploads,
            "item_serializer": serializers.UploadSerializer,
            "actor": actor,
            "page_size": 2,
        }
        expected = {
            "@context": jsonld.get_default_context(),
            "type": "Collection",
            "id": conf["id"],
            "actor": actor.fid,
    
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            "totalItems": len(uploads),
            "current": conf["id"] + "?page=1",
            "last": conf["id"] + "?page=3",
            "first": conf["id"] + "?page=1",
        }
    
        serializer = serializers.PaginatedCollectionSerializer(conf)
    
        assert serializer.data == expected
    
    
    def test_paginated_collection_serializer_validation():
        data = {
            "@context": jsonld.get_default_context_fw(),
            "type": "Collection",
            "id": "https://test.federation/test",
            "totalItems": 5,
            "actor": "http://test.actor",
    
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            "first": "https://test.federation/test?page=1",
            "last": "https://test.federation/test?page=1",
            "items": [],
        }
    
        serializer = serializers.PaginatedCollectionSerializer(data=data)
    
        assert serializer.is_valid(raise_exception=True) is True
        assert serializer.validated_data["totalItems"] == 5
        assert serializer.validated_data["id"] == data["id"]
    
        assert serializer.validated_data["attributedTo"] == data["actor"]
    
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    def test_collection_page_serializer_validation():
        base = "https://test.federation/test"
        data = {
            "@context": jsonld.get_default_context(),
            "type": "CollectionPage",
            "id": base + "?page=2",
            "totalItems": 5,
            "actor": "https://test.actor",
    
            "attributedTo": "https://test.actor",
    
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            "items": [],
            "first": "https://test.federation/test?page=1",
            "last": "https://test.federation/test?page=3",
            "prev": base + "?page=1",
            "next": base + "?page=3",
            "partOf": base,
        }
    
        serializer = serializers.CollectionPageSerializer(data=data)
    
        assert serializer.is_valid(raise_exception=True) is True
        assert serializer.validated_data["totalItems"] == 5
        assert serializer.validated_data["id"] == data["id"]
    
        assert serializer.validated_data["attributedTo"] == data["actor"]
    
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        assert serializer.validated_data["items"] == []
        assert serializer.validated_data["prev"] == data["prev"]
        assert serializer.validated_data["next"] == data["next"]
        assert serializer.validated_data["partOf"] == data["partOf"]
    
    
    def test_collection_page_serializer_can_validate_child():
        data = {
            "@context": jsonld.get_default_context(),
            "type": "CollectionPage",
            "id": "https://test.page?page=2",
    
            "attributedTo": "https://test.actor",
    
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            "first": "https://test.page?page=1",
            "last": "https://test.page?page=3",
            "partOf": "https://test.page",
            "totalItems": 1,
            "items": [{"in": "valid"}],
        }
    
        serializer = serializers.CollectionPageSerializer(
            data=data, context={"item_serializer": serializers.UploadSerializer}
        )
    
        # child are validated but not included in data if not valid
        assert serializer.is_valid(raise_exception=True) is True
        assert len(serializer.validated_data["items"]) == 0
    
    
    def test_collection_page_serializer(factories):
        uploads = factories["music.Upload"].create_batch(size=5)
        actor = factories["federation.Actor"](local=True)
    
        conf = {
            "id": "https://test.federation/test",
            "item_serializer": serializers.UploadSerializer,
            "actor": actor,
            "page": Paginator(uploads, 2).page(2),
        }
        expected = {
            "@context": jsonld.get_default_context(),
            "type": "CollectionPage",
            "id": conf["id"] + "?page=2",
            "actor": actor.fid,
    
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            "totalItems": len(uploads),
            "partOf": conf["id"],
            "prev": conf["id"] + "?page=1",
            "next": conf["id"] + "?page=3",
            "first": conf["id"] + "?page=1",
            "last": conf["id"] + "?page=3",
            "items": [
                conf["item_serializer"](
                    i, context={"actor": actor, "include_ap_context": False}
                ).data
                for i in conf["page"].object_list
            ],
        }
    
        serializer = serializers.CollectionPageSerializer(conf)
    
        assert serializer.data == expected
    
    
    def test_music_library_serializer_to_ap(factories):
        library = factories["music.Library"](privacy_level="everyone")
        # pending, errored and skippednot included
        factories["music.Upload"](import_status="pending")
        factories["music.Upload"](import_status="errored")
        factories["music.Upload"](import_status="finished")
        serializer = serializers.LibrarySerializer(library)
        expected = {
            "@context": jsonld.get_default_context(),
            "audience": "https://www.w3.org/ns/activitystreams#Public",
            "type": "Library",
            "id": library.fid,
            "name": library.name,
            "summary": library.description,
            "actor": library.actor.fid,
    
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            "totalItems": 0,
            "current": library.fid + "?page=1",
            "last": library.fid + "?page=1",
            "first": library.fid + "?page=1",
            "followers": library.followers_url,
        }
    
        assert serializer.data == expected
    
    
    def test_music_library_serializer_from_public(factories, mocker):
        actor = factories["federation.Actor"]()
        retrieve = mocker.patch(
            "funkwhale_api.federation.utils.retrieve_ap_object", return_value=actor
        )
        data = {
            "@context": jsonld.get_default_context(),
            "audience": "https://www.w3.org/ns/activitystreams#Public",
            "name": "Hello",
            "summary": "World",
            "type": "Library",
            "id": "https://library.id",
            "followers": "https://library.id/followers",
    
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            "totalItems": 12,
            "first": "https://library.id?page=1",
            "last": "https://library.id?page=2",
        }
        serializer = serializers.LibrarySerializer(data=data)
    
        assert serializer.is_valid(raise_exception=True)
    
        library = serializer.save()
    
        assert library.actor == actor
        assert library.fid == data["id"]
        assert library.uploads_count == data["totalItems"]
        assert library.privacy_level == "everyone"
        assert library.name == "Hello"
        assert library.description == "World"
        assert library.followers_url == data["followers"]
    
        retrieve.assert_called_once_with(
            actor.fid,
            actor=None,
            queryset=actor.__class__,
            serializer_class=serializers.ActorSerializer,
        )
    
    
    def test_music_library_serializer_from_private(factories, mocker):
        actor = factories["federation.Actor"]()
        retrieve = mocker.patch(
            "funkwhale_api.federation.utils.retrieve_ap_object", return_value=actor
        )
        data = {
            "@context": jsonld.get_default_context_fw(),
            "audience": "",
            "name": "Hello",
            "summary": "World",
            "type": "Library",
            "id": "https://library.id",
            "followers": "https://library.id/followers",
    
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            "totalItems": 12,
            "first": "https://library.id?page=1",
            "last": "https://library.id?page=2",
        }
        serializer = serializers.LibrarySerializer(data=data)
    
        assert serializer.is_valid(raise_exception=True)
    
        library = serializer.save()
    
        assert library.actor == actor
        assert library.fid == data["id"]
        assert library.uploads_count == data["totalItems"]
        assert library.privacy_level == "me"
        assert library.name == "Hello"
        assert library.description == "World"
        assert library.followers_url == data["followers"]
        retrieve.assert_called_once_with(
            actor.fid,
            actor=None,
            queryset=actor.__class__,
            serializer_class=serializers.ActorSerializer,
        )
    
    
    def test_activity_pub_artist_serializer_to_ap(factories):
        artist = factories["music.Artist"](attributed=True)
        expected = {
            "@context": serializers.AP_CONTEXT,
            "type": "Artist",
            "id": artist.fid,
            "name": artist.name,
            "musicbrainzId": artist.mbid,
            "published": artist.creation_date.isoformat(),
            "attributedTo": artist.attributed_to.fid,
        }
        serializer = serializers.ArtistSerializer(artist)
    
        assert serializer.data == expected
    
    
    def test_activity_pub_album_serializer_to_ap(factories):
        album = factories["music.Album"](attributed=True)
    
        expected = {
            "@context": serializers.AP_CONTEXT,
            "type": "Album",
            "id": album.fid,
            "name": album.title,
            "cover": {
                "type": "Link",
                "mediaType": "image/jpeg",
                "href": utils.full_url(album.cover.url),
            },
            "musicbrainzId": album.mbid,
            "published": album.creation_date.isoformat(),
            "released": album.release_date.isoformat(),
            "artists": [
                serializers.ArtistSerializer(
                    album.artist, context={"include_ap_context": False}
                ).data
            ],
            "attributedTo": album.attributed_to.fid,
        }
        serializer = serializers.AlbumSerializer(album)
    
        assert serializer.data == expected
    
    
    def test_activity_pub_track_serializer_to_ap(factories):
        track = factories["music.Track"](
            license="cc-by-4.0", copyright="test", disc_number=3, attributed=True
        )
        expected = {
            "@context": serializers.AP_CONTEXT,
            "published": track.creation_date.isoformat(),
            "type": "Track",
            "musicbrainzId": track.mbid,
            "id": track.fid,
            "name": track.title,
            "position": track.position,
            "disc": track.disc_number,
            "license": track.license.conf["identifiers"][0],
            "copyright": "test",
            "artists": [
                serializers.ArtistSerializer(
                    track.artist, context={"include_ap_context": False}
                ).data
            ],
            "album": serializers.AlbumSerializer(
                track.album, context={"include_ap_context": False}
            ).data,
            "attributedTo": track.attributed_to.fid,
        }
        serializer = serializers.TrackSerializer(track)
    
        assert serializer.data == expected
    
    
    def test_activity_pub_track_serializer_from_ap(factories, r_mock, mocker):
        track_attributed_to = factories["federation.Actor"]()
        album_attributed_to = factories["federation.Actor"]()
        album_artist_attributed_to = factories["federation.Actor"]()
        artist_attributed_to = factories["federation.Actor"]()
    
        activity = factories["federation.Activity"]()
        published = timezone.now()
        released = timezone.now().date()
        data = {
            "@context": jsonld.get_default_context(),
            "type": "Track",
            "id": "http://hello.track",
            "published": published.isoformat(),
            "musicbrainzId": str(uuid.uuid4()),
            "name": "Black in back",
            "position": 5,
            "disc": 1,
            "attributedTo": track_attributed_to.fid,
            "album": {
                "type": "Album",
                "id": "http://hello.album",
                "name": "Purple album",
                "musicbrainzId": str(uuid.uuid4()),
                "published": published.isoformat(),
                "released": released.isoformat(),
                "attributedTo": album_attributed_to.fid,
                "cover": {
                    "type": "Link",
                    "href": "https://cover.image/test.png",
                    "mediaType": "image/png",
                },
                "artists": [
                    {
                        "type": "Artist",
                        "id": "http://hello.artist",
                        "name": "John Smith",
                        "musicbrainzId": str(uuid.uuid4()),
                        "published": published.isoformat(),
                        "attributedTo": album_artist_attributed_to.fid,
                    }
                ],
            },
            "artists": [
                {
                    "type": "Artist",
                    "id": "http://hello.trackartist",
                    "name": "Bob Smith",
                    "musicbrainzId": str(uuid.uuid4()),
                    "attributedTo": artist_attributed_to.fid,
                    "published": published.isoformat(),
                }
            ],
        }
        r_mock.get(data["album"]["cover"]["href"], body=io.BytesIO(b"coucou"))
        serializer = serializers.TrackSerializer(data=data, context={"activity": activity})
        assert serializer.is_valid(raise_exception=True)
    
        track = serializer.save()
        album = track.album
        artist = track.artist
        album_artist = track.album.artist
    
        assert track.from_activity == activity
        assert track.fid == data["id"]
        assert track.title == data["name"]
        assert track.position == data["position"]
        assert track.disc_number == data["disc"]
        assert track.creation_date == published
        assert track.attributed_to == track_attributed_to
        assert str(track.mbid) == data["musicbrainzId"]
    
        assert album.from_activity == activity
        assert album.cover.read() == b"coucou"
        assert album.cover.path.endswith(".png")
        assert album.title == data["album"]["name"]
        assert album.fid == data["album"]["id"]
        assert str(album.mbid) == data["album"]["musicbrainzId"]
        assert album.creation_date == published
        assert album.release_date == released
        assert album.attributed_to == album_attributed_to
    
        assert artist.from_activity == activity
        assert artist.name == data["artists"][0]["name"]
        assert artist.fid == data["artists"][0]["id"]
        assert str(artist.mbid) == data["artists"][0]["musicbrainzId"]
        assert artist.creation_date == published
        assert artist.attributed_to == artist_attributed_to
    
        assert album_artist.from_activity == activity
        assert album_artist.name == data["album"]["artists"][0]["name"]
        assert album_artist.fid == data["album"]["artists"][0]["id"]
        assert str(album_artist.mbid) == data["album"]["artists"][0]["musicbrainzId"]
        assert album_artist.creation_date == published
        assert album_artist.attributed_to == album_artist_attributed_to
    
    
    def test_activity_pub_upload_serializer_from_ap(factories, mocker, r_mock):
        activity = factories["federation.Activity"]()
        library = factories["music.Library"]()
    
        published = timezone.now()
        updated = timezone.now()
        released = timezone.now().date()
        data = {
            "@context": serializers.AP_CONTEXT,
            "type": "Audio",
            "id": "https://track.file",
            "name": "Ignored",
            "published": published.isoformat(),
            "updated": updated.isoformat(),
            "duration": 43,
            "bitrate": 42,
            "size": 66,
            "url": {"href": "https://audio.file", "type": "Link", "mediaType": "audio/mp3"},
            "library": library.fid,
            "track": {
                "type": "Track",
                "id": "http://hello.track",
                "published": published.isoformat(),
                "musicbrainzId": str(uuid.uuid4()),
                "name": "Black in back",
                "position": 5,
                "album": {
                    "type": "Album",
                    "id": "http://hello.album",
                    "name": "Purple album",
                    "musicbrainzId": str(uuid.uuid4()),
                    "published": published.isoformat(),
                    "released": released.isoformat(),
                    "cover": {
                        "type": "Link",
                        "href": "https://cover.image/test.png",
                        "mediaType": "image/png",
                    },
                    "artists": [
                        {
                            "type": "Artist",
                            "id": "http://hello.artist",
                            "name": "John Smith",
                            "musicbrainzId": str(uuid.uuid4()),
                            "published": published.isoformat(),
                        }
                    ],
                },
                "artists": [
                    {
                        "type": "Artist",
                        "id": "http://hello.trackartist",
                        "name": "Bob Smith",
                        "musicbrainzId": str(uuid.uuid4()),
                        "published": published.isoformat(),
                    }
                ],
            },
        }
        r_mock.get(data["track"]["album"]["cover"]["href"], body=io.BytesIO(b"coucou"))
    
        serializer = serializers.UploadSerializer(data=data, context={"activity": activity})
        assert serializer.is_valid(raise_exception=True)
        track_create = mocker.spy(serializers.TrackSerializer, "create")
        upload = serializer.save()
    
        assert upload.track.from_activity == activity
        assert upload.from_activity == activity
        assert track_create.call_count == 1
        assert upload.fid == data["id"]
        assert upload.track.fid == data["track"]["id"]
        assert upload.duration == data["duration"]
        assert upload.size == data["size"]
        assert upload.bitrate == data["bitrate"]
        assert upload.source == data["url"]["href"]
        assert upload.mimetype == data["url"]["mediaType"]
        assert upload.creation_date == published
        assert upload.import_status == "finished"
        assert upload.modification_date == updated
    
    
    def test_activity_pub_upload_serializer_validtes_library_actor(factories, mocker):
        library = factories["music.Library"]()
        usurpator = factories["federation.Actor"]()
    
        serializer = serializers.UploadSerializer(data={}, context={"actor": usurpator})
    
        with pytest.raises(serializers.serializers.ValidationError):
            serializer.validate_library(library.fid)
    
    
    def test_activity_pub_audio_serializer_to_ap(factories):
        upload = factories["music.Upload"](
            mimetype="audio/mp3", bitrate=42, duration=43, size=44
        )
        expected = {
            "@context": serializers.AP_CONTEXT,
            "type": "Audio",
            "id": upload.fid,
            "name": upload.track.full_name,
            "published": upload.creation_date.isoformat(),
            "updated": upload.modification_date.isoformat(),
            "duration": upload.duration,
            "bitrate": upload.bitrate,
            "size": upload.size,
            "url": {
                "href": utils.full_url(upload.listen_url),
                "type": "Link",
                "mediaType": "audio/mp3",
            },
            "library": upload.library.fid,
            "track": serializers.TrackSerializer(
                upload.track, context={"include_ap_context": False}
            ).data,
        }
    
        serializer = serializers.UploadSerializer(upload)
    
        assert serializer.data == expected
    
    
    def test_local_actor_serializer_to_ap(factories):
        expected = {
            "@context": jsonld.get_default_context(),
            "id": "https://test.federation/user",
            "type": "Person",
            "following": "https://test.federation/user/following",
            "followers": "https://test.federation/user/followers",
            "inbox": "https://test.federation/user/inbox",
            "outbox": "https://test.federation/user/outbox",
            "preferredUsername": "user",
            "name": "Real User",
            "summary": "Hello world",
            "manuallyApprovesFollowers": False,
            "publicKey": {
                "id": "https://test.federation/user#main-key",
                "owner": "https://test.federation/user",
                "publicKeyPem": "yolo",
            },
            "endpoints": {"sharedInbox": "https://test.federation/inbox"},
        }
        ac = models.Actor.objects.create(
            fid=expected["id"],
            inbox_url=expected["inbox"],
            outbox_url=expected["outbox"],
            shared_inbox_url=expected["endpoints"]["sharedInbox"],
            followers_url=expected["followers"],
            following_url=expected["following"],
            public_key=expected["publicKey"]["publicKeyPem"],
            preferred_username=expected["preferredUsername"],
            name=expected["name"],
            domain=models.Domain.objects.create(pk="test.federation"),
            summary=expected["summary"],
            type="Person",
            manually_approves_followers=False,
        )
        user = factories["users.User"]()
        user.actor = ac
        user.save()
        ac.refresh_from_db()
        expected["icon"] = {
            "type": "Image",
            "mediaType": "image/jpeg",
            "url": utils.full_url(user.avatar.crop["400x400"].url),
        }
        serializer = serializers.ActorSerializer(ac)
    
        assert serializer.data == expected
    
    
    def test_activity_serializer_validate_recipients_empty(db):
        s = serializers.BaseActivitySerializer()
    
        with pytest.raises(serializers.serializers.ValidationError):
            s.validate_recipients({})
    
        with pytest.raises(serializers.serializers.ValidationError):
            s.validate_recipients({"to": []})
    
        with pytest.raises(serializers.serializers.ValidationError):
            s.validate_recipients({"cc": []})
    
    
    def test_track_serializer_update_license(factories):
        licenses.load(licenses.LICENSES)
    
        obj = factories["music.Track"](license=None)
    
        serializer = serializers.TrackSerializer()
        serializer.update(obj, {"license": "http://creativecommons.org/licenses/by/2.0/"})
    
        obj.refresh_from_db()
    
        assert obj.license_id == "cc-by-2.0"