# Pleroma: A lightweight social networking server # Copyright © 2017-2021 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.Transmogrifier.NoteHandlingTest do use Oban.Testing, repo: Pleroma.Repo use Pleroma.DataCase alias Pleroma.Activity alias Pleroma.Object alias Pleroma.User alias Pleroma.Web.ActivityPub.Transmogrifier alias Pleroma.Web.ActivityPub.Utils alias Pleroma.Web.CommonAPI import Mock import Pleroma.Factory setup_all do Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end) :ok end setup do: clear_config([:instance, :max_remote_account_fields]) describe "handle_incoming" do test "it works for incoming notices with tag not being an array (kroeg)" do data = File.read!("test/fixtures/kroeg-array-less-emoji.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) object = Object.normalize(data["object"], fetch: false) assert object.data["emoji"] == %{ "icon_e_smile" => "https://puckipedia.com/forum/images/smilies/icon_e_smile.png" } data = File.read!("test/fixtures/kroeg-array-less-hashtag.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) object = Object.normalize(data["object"], fetch: false) assert "test" in Object.tags(object) assert Object.hashtags(object) == ["test"] end test "it ignores an incoming notice if we already have it" do activity = insert(:note_activity) data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Map.put("object", Object.normalize(activity, fetch: false).data) {:ok, returned_activity} = Transmogrifier.handle_incoming(data) assert activity == returned_activity end @tag capture_log: true test "it fetches reply-to activities if we don't have them" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() object = data["object"] |> Map.put("inReplyTo", "https://mstdn.io/users/mayuutann/statuses/99568293732299394") data = Map.put(data, "object", object) {:ok, returned_activity} = Transmogrifier.handle_incoming(data) returned_object = Object.normalize(returned_activity, fetch: false) assert %Activity{} = Activity.get_create_by_object_ap_id( "https://mstdn.io/users/mayuutann/statuses/99568293732299394" ) assert returned_object.data["inReplyTo"] == "https://mstdn.io/users/mayuutann/statuses/99568293732299394" end test "it does not fetch reply-to activities beyond max replies depth limit" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() object = data["object"] |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873") data = Map.put(data, "object", object) with_mock Pleroma.Web.Federator, allowed_thread_distance?: fn _ -> false end do {:ok, returned_activity} = Transmogrifier.handle_incoming(data) returned_object = Object.normalize(returned_activity, fetch: false) refute Activity.get_create_by_object_ap_id( "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment" ) assert returned_object.data["inReplyTo"] == "https://shitposter.club/notice/2827873" end end test "it does not crash if the object in inReplyTo can't be fetched" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() object = data["object"] |> Map.put("inReplyTo", "https://404.site/whatever") data = data |> Map.put("object", object) assert {:ok, _returned_activity} = Transmogrifier.handle_incoming(data) end test "it does not work for deactivated users" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() insert(:user, ap_id: data["actor"], is_active: false) assert {:error, _} = Transmogrifier.handle_incoming(data) end test "it works for incoming notices" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) assert data["id"] == "http://mastodon.example.org/users/admin/statuses/99512778738411822/activity" assert data["context"] == "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation" assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"] assert data["cc"] == [ "http://localtesting.pleroma.lol/users/lain", "http://mastodon.example.org/users/admin/followers" ] assert data["actor"] == "http://mastodon.example.org/users/admin" object_data = Object.normalize(data["object"], fetch: false).data assert object_data["id"] == "http://mastodon.example.org/users/admin/statuses/99512778738411822" assert object_data["to"] == ["https://www.w3.org/ns/activitystreams#Public"] assert object_data["cc"] == [ "http://localtesting.pleroma.lol/users/lain", "http://mastodon.example.org/users/admin/followers" ] assert object_data["actor"] == "http://mastodon.example.org/users/admin" assert object_data["attributedTo"] == "http://mastodon.example.org/users/admin" assert object_data["context"] == "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation" assert object_data["sensitive"] == true user = User.get_cached_by_ap_id(object_data["actor"]) assert user.note_count == 1 end test "it works for incoming notices without the sensitive property but an nsfw hashtag" do data = File.read!("test/fixtures/mastodon-post-activity-nsfw.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) object_data = Object.normalize(data["object"], fetch: false).data assert object_data["sensitive"] == true end test "it works for incoming notices with hashtags" do data = File.read!("test/fixtures/mastodon-post-activity-hashtag.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) object = Object.normalize(data["object"], fetch: false) assert match?( %{ "href" => "http://localtesting.pleroma.lol/users/lain", "name" => "@lain@localtesting.pleroma.lol", "type" => "Mention" }, Enum.at(object.data["tag"], 0) ) assert match?( %{ "href" => "http://mastodon.example.org/tags/moo", "name" => "#moo", "type" => "Hashtag" }, Enum.at(object.data["tag"], 1) ) assert "moo" == Enum.at(object.data["tag"], 2) end test "it works for incoming notices with contentMap" do data = File.read!("test/fixtures/mastodon-post-activity-contentmap.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) object = Object.normalize(data["object"], fetch: false) assert object.data["content"] == "

@lain

" end test "it works for incoming notices with to/cc not being an array (kroeg)" do data = File.read!("test/fixtures/kroeg-post-activity.json") |> Jason.decode!() {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) object = Object.normalize(data["object"], fetch: false) assert object.data["content"] == "

henlo from my Psion netBook

message sent from my Psion netBook

" end test "it ensures that as:Public activities make it to their followers collection" do user = insert(:user) data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Map.put("actor", user.ap_id) |> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"]) |> Map.put("cc", []) object = data["object"] |> Map.put("attributedTo", user.ap_id) |> Map.put("to", ["https://www.w3.org/ns/activitystreams#Public"]) |> Map.put("cc", []) |> Map.put("id", user.ap_id <> "/activities/12345678") data = Map.put(data, "object", object) {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) assert data["cc"] == [User.ap_followers(user)] end test "it ensures that address fields become lists" do user = insert(:user) data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Map.put("actor", user.ap_id) |> Map.put("cc", nil) object = data["object"] |> Map.put("attributedTo", user.ap_id) |> Map.put("cc", nil) |> Map.put("id", user.ap_id <> "/activities/12345678") data = Map.put(data, "object", object) {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data) refute is_nil(data["cc"]) end test "it strips internal likes" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() likes = %{ "first" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1", "id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes", "totalItems" => 3, "type" => "OrderedCollection" } object = Map.put(data["object"], "likes", likes) data = Map.put(data, "object", object) {:ok, %Activity{} = activity} = Transmogrifier.handle_incoming(data) object = Object.normalize(activity) assert object.data["likes"] == [] end test "it strips internal reactions" do user = insert(:user) {:ok, activity} = CommonAPI.post(user, %{status: "#cofe"}) {:ok, _} = CommonAPI.react_with_emoji(activity.id, user, "📢") %{object: object} = Activity.get_by_id_with_object(activity.id) assert Map.has_key?(object.data, "reactions") assert Map.has_key?(object.data, "reaction_count") object_data = Transmogrifier.strip_internal_fields(object.data) refute Map.has_key?(object_data, "reactions") refute Map.has_key?(object_data, "reaction_count") end test "it correctly processes messages with non-array to field" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Map.put("to", "https://www.w3.org/ns/activitystreams#Public") |> put_in(["object", "to"], "https://www.w3.org/ns/activitystreams#Public") assert {:ok, activity} = Transmogrifier.handle_incoming(data) assert [ "http://localtesting.pleroma.lol/users/lain", "http://mastodon.example.org/users/admin/followers" ] == activity.data["cc"] assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["to"] end test "it correctly processes messages with non-array cc field" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Map.put("cc", "http://mastodon.example.org/users/admin/followers") |> put_in(["object", "cc"], "http://mastodon.example.org/users/admin/followers") assert {:ok, activity} = Transmogrifier.handle_incoming(data) assert ["http://mastodon.example.org/users/admin/followers"] == activity.data["cc"] assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["to"] end test "it correctly processes messages with weirdness in address fields" do data = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Map.put("cc", ["http://mastodon.example.org/users/admin/followers", ["¿"]]) |> put_in(["object", "cc"], ["http://mastodon.example.org/users/admin/followers", ["¿"]]) assert {:ok, activity} = Transmogrifier.handle_incoming(data) assert ["http://mastodon.example.org/users/admin/followers"] == activity.data["cc"] assert ["https://www.w3.org/ns/activitystreams#Public"] == activity.data["to"] end end describe "`handle_incoming/2`, Mastodon format `replies` handling" do setup do: clear_config([:activitypub, :note_replies_output_limit], 5) setup do: clear_config([:instance, :federation_incoming_replies_max_depth]) setup do data = "test/fixtures/mastodon-post-activity.json" |> File.read!() |> Jason.decode!() items = get_in(data, ["object", "replies", "first", "items"]) assert length(items) > 0 %{data: data, items: items} end test "schedules background fetching of `replies` items if max thread depth limit allows", %{ data: data, items: items } do clear_config([:instance, :federation_incoming_replies_max_depth], 10) {:ok, activity} = Transmogrifier.handle_incoming(data) object = Object.normalize(activity.data["object"]) assert object.data["replies"] == items for id <- items do job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1} assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args) end end test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows", %{data: data} do clear_config([:instance, :federation_incoming_replies_max_depth], 0) {:ok, _activity} = Transmogrifier.handle_incoming(data) assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == [] end end describe "`handle_incoming/2`, Pleroma format `replies` handling" do setup do: clear_config([:activitypub, :note_replies_output_limit], 5) setup do: clear_config([:instance, :federation_incoming_replies_max_depth]) setup do replies = %{ "type" => "Collection", "items" => [Utils.generate_object_id(), Utils.generate_object_id()] } activity = File.read!("test/fixtures/mastodon-post-activity.json") |> Jason.decode!() |> Kernel.put_in(["object", "replies"], replies) %{activity: activity} end test "schedules background fetching of `replies` items if max thread depth limit allows", %{ activity: activity } do clear_config([:instance, :federation_incoming_replies_max_depth], 1) assert {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(activity) object = Object.normalize(data["object"]) for id <- object.data["replies"] do job_args = %{"op" => "fetch_remote", "id" => id, "depth" => 1} assert_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker, args: job_args) end end test "does NOT schedule background fetching of `replies` beyond max thread depth limit allows", %{activity: activity} do clear_config([:instance, :federation_incoming_replies_max_depth], 0) {:ok, _activity} = Transmogrifier.handle_incoming(activity) assert all_enqueued(worker: Pleroma.Workers.RemoteFetcherWorker) == [] end end describe "reserialization" do test "successfully reserializes a message with inReplyTo == nil" do user = insert(:user) message = %{ "@context" => "https://www.w3.org/ns/activitystreams", "to" => ["https://www.w3.org/ns/activitystreams#Public"], "cc" => [], "type" => "Create", "object" => %{ "to" => ["https://www.w3.org/ns/activitystreams#Public"], "cc" => [], "id" => Utils.generate_object_id(), "type" => "Note", "content" => "Hi", "inReplyTo" => nil, "attributedTo" => user.ap_id }, "actor" => user.ap_id } {:ok, activity} = Transmogrifier.handle_incoming(message) {:ok, _} = Transmogrifier.prepare_outgoing(activity.data) end test "successfully reserializes a message with AS2 objects in IR" do user = insert(:user) message = %{ "@context" => "https://www.w3.org/ns/activitystreams", "to" => ["https://www.w3.org/ns/activitystreams#Public"], "cc" => [], "type" => "Create", "object" => %{ "to" => ["https://www.w3.org/ns/activitystreams#Public"], "cc" => [], "id" => Utils.generate_object_id(), "type" => "Note", "content" => "Hi", "inReplyTo" => nil, "attributedTo" => user.ap_id, "tag" => [ %{"name" => "#2hu", "href" => "http://example.com/2hu", "type" => "Hashtag"}, %{"name" => "Bob", "href" => "http://example.com/bob", "type" => "Mention"} ] }, "actor" => user.ap_id } {:ok, activity} = Transmogrifier.handle_incoming(message) {:ok, _} = Transmogrifier.prepare_outgoing(activity.data) end end describe "fix_in_reply_to/2" do setup do: clear_config([:instance, :federation_incoming_replies_max_depth]) setup do data = Jason.decode!(File.read!("test/fixtures/mastodon-post-activity.json")) [data: data] end test "returns not modified object when hasn't containts inReplyTo field", %{data: data} do assert Transmogrifier.fix_in_reply_to(data) == data end test "returns object with inReplyTo when denied incoming reply", %{data: data} do clear_config([:instance, :federation_incoming_replies_max_depth], 0) object_with_reply = Map.put(data["object"], "inReplyTo", "https://shitposter.club/notice/2827873") modified_object = Transmogrifier.fix_in_reply_to(object_with_reply) assert modified_object["inReplyTo"] == "https://shitposter.club/notice/2827873" object_with_reply = Map.put(data["object"], "inReplyTo", %{"id" => "https://shitposter.club/notice/2827873"}) modified_object = Transmogrifier.fix_in_reply_to(object_with_reply) assert modified_object["inReplyTo"] == %{"id" => "https://shitposter.club/notice/2827873"} object_with_reply = Map.put(data["object"], "inReplyTo", ["https://shitposter.club/notice/2827873"]) modified_object = Transmogrifier.fix_in_reply_to(object_with_reply) assert modified_object["inReplyTo"] == ["https://shitposter.club/notice/2827873"] object_with_reply = Map.put(data["object"], "inReplyTo", []) modified_object = Transmogrifier.fix_in_reply_to(object_with_reply) assert modified_object["inReplyTo"] == [] end @tag capture_log: true test "returns modified object when allowed incoming reply", %{data: data} do object_with_reply = Map.put( data["object"], "inReplyTo", "https://mstdn.io/users/mayuutann/statuses/99568293732299394" ) clear_config([:instance, :federation_incoming_replies_max_depth], 5) modified_object = Transmogrifier.fix_in_reply_to(object_with_reply) assert modified_object["inReplyTo"] == "https://mstdn.io/users/mayuutann/statuses/99568293732299394" assert modified_object["context"] == "tag:shitposter.club,2018-02-22:objectType=thread:nonce=e5a7c72d60a9c0e4" end end describe "fix_attachments/1" do test "returns not modified object" do data = Jason.decode!(File.read!("test/fixtures/mastodon-post-activity.json")) assert Transmogrifier.fix_attachments(data) == data end test "returns modified object when attachment is map" do assert Transmogrifier.fix_attachments(%{ "attachment" => %{ "mediaType" => "video/mp4", "url" => "https://peertube.moe/stat-480.mp4" } }) == %{ "attachment" => [ %{ "mediaType" => "video/mp4", "type" => "Document", "url" => [ %{ "href" => "https://peertube.moe/stat-480.mp4", "mediaType" => "video/mp4", "type" => "Link" } ] } ] } end test "returns modified object when attachment is list" do assert Transmogrifier.fix_attachments(%{ "attachment" => [ %{"mediaType" => "video/mp4", "url" => "https://pe.er/stat-480.mp4"}, %{"mimeType" => "video/mp4", "href" => "https://pe.er/stat-480.mp4"} ] }) == %{ "attachment" => [ %{ "mediaType" => "video/mp4", "type" => "Document", "url" => [ %{ "href" => "https://pe.er/stat-480.mp4", "mediaType" => "video/mp4", "type" => "Link" } ] }, %{ "mediaType" => "video/mp4", "type" => "Document", "url" => [ %{ "href" => "https://pe.er/stat-480.mp4", "mediaType" => "video/mp4", "type" => "Link" } ] } ] } end end describe "fix_emoji/1" do test "returns not modified object when object not contains tags" do data = Jason.decode!(File.read!("test/fixtures/mastodon-post-activity.json")) assert Transmogrifier.fix_emoji(data) == data end test "returns object with emoji when object contains list tags" do assert Transmogrifier.fix_emoji(%{ "tag" => [ %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}}, %{"type" => "Hashtag"} ] }) == %{ "emoji" => %{"bib" => "/test"}, "tag" => [ %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"}, %{"type" => "Hashtag"} ] } end test "returns object with emoji when object contains map tag" do assert Transmogrifier.fix_emoji(%{ "tag" => %{"type" => "Emoji", "name" => ":bib:", "icon" => %{"url" => "/test"}} }) == %{ "emoji" => %{"bib" => "/test"}, "tag" => %{"icon" => %{"url" => "/test"}, "name" => ":bib:", "type" => "Emoji"} } end end describe "set_replies/1" do setup do: clear_config([:activitypub, :note_replies_output_limit], 2) test "returns unmodified object if activity doesn't have self-replies" do data = Jason.decode!(File.read!("test/fixtures/mastodon-post-activity.json")) assert Transmogrifier.set_replies(data) == data end test "sets `replies` collection with a limited number of self-replies" do [user, another_user] = insert_list(2, :user) {:ok, %{id: id1} = activity} = CommonAPI.post(user, %{status: "1"}) {:ok, %{id: id2} = self_reply1} = CommonAPI.post(user, %{status: "self-reply 1", in_reply_to_status_id: id1}) {:ok, self_reply2} = CommonAPI.post(user, %{status: "self-reply 2", in_reply_to_status_id: id1}) # Assuming to _not_ be present in `replies` due to :note_replies_output_limit is set to 2 {:ok, _} = CommonAPI.post(user, %{status: "self-reply 3", in_reply_to_status_id: id1}) {:ok, _} = CommonAPI.post(user, %{ status: "self-reply to self-reply", in_reply_to_status_id: id2 }) {:ok, _} = CommonAPI.post(another_user, %{ status: "another user's reply", in_reply_to_status_id: id1 }) object = Object.normalize(activity, fetch: false) replies_uris = Enum.map([self_reply1, self_reply2], fn a -> a.object.data["id"] end) assert %{"type" => "Collection", "items" => ^replies_uris} = Transmogrifier.set_replies(object.data)["replies"] end end test "take_emoji_tags/1" do user = insert(:user, %{emoji: %{"firefox" => "https://example.org/firefox.png"}}) assert Transmogrifier.take_emoji_tags(user) == [ %{ "icon" => %{"type" => "Image", "url" => "https://example.org/firefox.png"}, "id" => "https://example.org/firefox.png", "name" => ":firefox:", "type" => "Emoji", "updated" => "1970-01-01T00:00:00Z" } ] end describe "fix_quote_url/1" do test "a misskey quote should work", _ do Tesla.Mock.mock(fn %{ method: :get, url: "https://example.com/objects/43479e20-c0f8-4f49-bf7f-13fab8234924" } -> %Tesla.Env{ status: 200, body: File.read!("test/fixtures/quoted_status.json"), headers: HttpRequestMock.activitypub_object_headers() } end) insert(:user, %{ap_id: "https://misskey.io/users/93492q0ip0"}) insert(:user, %{ap_id: "https://example.com/users/user"}) note = "test/fixtures/misskey/quote.json" |> File.read!() |> Jason.decode!() %{"quoteUri" => "https://example.com/objects/43479e20-c0f8-4f49-bf7f-13fab8234924"} = Transmogrifier.fix_quote_url(note) end test "a fedibird quote should work", _ do Tesla.Mock.mock(fn %{ method: :get, url: "https://example.com/objects/43479e20-c0f8-4f49-bf7f-13fab8234924" } -> %Tesla.Env{ status: 200, body: File.read!("test/fixtures/quoted_status.json"), headers: HttpRequestMock.activitypub_object_headers() } end) insert(:user, %{ap_id: "https://fedibird.com/users/akkoma_ap_integration_tester"}) insert(:user, %{ap_id: "https://example.com/users/user"}) note = "test/fixtures/fedibird/quote.json" |> File.read!() |> Jason.decode!() %{ "quoteUri" => "https://example.com/objects/43479e20-c0f8-4f49-bf7f-13fab8234924" } = Transmogrifier.fix_quote_url(note) end test "quote fetching should stop after n levels", _ do clear_config([:instance, :federation_incoming_replies_max_depth], 1) Tesla.Mock.mock(fn %{ method: :get, url: "https://misskey.io/notes/934gok3482" } -> %Tesla.Env{ status: 200, body: File.read!("test/fixtures/misskey/recursive_quote.json"), headers: HttpRequestMock.activitypub_object_headers() } end) insert(:user, %{ap_id: "https://misskey.io/users/93492q0ip0"}) note = "test/fixtures/misskey/recursive_quote.json" |> File.read!() |> Jason.decode!() %{ "quoteUri" => "https://misskey.io/notes/934gok3482" } = Transmogrifier.fix_quote_url(note) end end test "the standalone note uses its own ID when context is missing" do insert(:user, ap_id: "https://mk.absturztau.be/users/8ozbzjs3o8") activity = "test/fixtures/tesla_mock/mk.absturztau.be-93e7nm8wqg-activity.json" |> File.read!() |> Jason.decode!() {:ok, %Activity{} = modified} = Transmogrifier.handle_incoming(activity) object = Object.normalize(modified, fetch: false) assert object.data["context"] == object.data["id"] assert modified.data["context"] == object.data["id"] end test "the reply note uses its parent's ID when context is missing and reply is unreachable" do insert(:user, ap_id: "https://mk.absturztau.be/users/8ozbzjs3o8") activity = "test/fixtures/tesla_mock/mk.absturztau.be-93e7nm8wqg-activity.json" |> File.read!() |> Jason.decode!() object = activity["object"] |> Map.put("inReplyTo", "https://404.site/object/went-to-buy-milk") activity = activity |> Map.put("object", object) {:ok, %Activity{} = modified} = Transmogrifier.handle_incoming(activity) object = Object.normalize(modified, fetch: false) assert object.data["context"] == object.data["inReplyTo"] assert modified.data["context"] == object.data["inReplyTo"] end end