pleroma

side_effects_test.exs (33383B)

# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.SideEffectsTest do
  use Oban.Testing, repo: Pleroma.Repo
  use Pleroma.DataCase
  alias Pleroma.Activity
  alias Pleroma.Chat
  alias Pleroma.Chat.MessageReference
  alias Pleroma.Notification
  alias Pleroma.Object
  alias Pleroma.Repo
  alias Pleroma.Tests.ObanHelpers
  alias Pleroma.User
  alias Pleroma.Web.ActivityPub.ActivityPub
  alias Pleroma.Web.ActivityPub.Builder
  alias Pleroma.Web.ActivityPub.SideEffects
  alias Pleroma.Web.ActivityPub.Utils
  alias Pleroma.Web.CommonAPI
  alias Pleroma.Web.CommonAPI.ActivityDraft
  import Mock
  import Pleroma.Factory
  defp get_announces_of_object(%{data: %{"id" => id}} = _object) do
    Pleroma.Activity.Queries.by_type("Announce")
    |> Pleroma.Activity.Queries.by_object_id(id)
    |> Pleroma.Repo.all()
  end
  describe "handle_after_transaction" do
    test "it streams out notifications and streams" do
      author = insert(:user, local: true)
      recipient = insert(:user, local: true)
      {:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")
      {:ok, create_activity_data, _meta} =
        Builder.create(author, chat_message_data["id"], [recipient.ap_id])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, meta} =
        SideEffects.handle(create_activity, local: false, object_data: chat_message_data)
      assert [notification] = meta[:notifications]
      with_mocks([
        {
          Pleroma.Web.Streamer,
          [],
          [
            stream: fn _, _ -> nil end
          ]
        }
      ]) do
        SideEffects.handle_after_transaction(meta)
        assert called(Pleroma.Web.Streamer.stream(["user", "user:notification"], notification))
        assert called(Pleroma.Web.Streamer.stream(["user", "user:pleroma_chat"], :_))
        assert_enqueued(
          worker: "Pleroma.Workers.WebPusherWorker",
          args: %{"notification_id" => notification.id, "op" => "web_push"}
        )
      end
    end
  end
  describe "blocking users" do
    setup do
      user = insert(:user)
      blocked = insert(:user)
      User.follow(blocked, user)
      User.follow(user, blocked)
      {:ok, block_data, []} = Builder.block(user, blocked)
      {:ok, block, _meta} = ActivityPub.persist(block_data, local: true)
      %{user: user, blocked: blocked, block: block}
    end
    test "it unfollows and blocks", %{user: user, blocked: blocked, block: block} do
      assert User.following?(user, blocked)
      assert User.following?(blocked, user)
      {:ok, _, _} = SideEffects.handle(block)
      refute User.following?(user, blocked)
      refute User.following?(blocked, user)
      assert User.blocks?(user, blocked)
    end
    test "it updates following relationship", %{user: user, blocked: blocked, block: block} do
      {:ok, _, _} = SideEffects.handle(block)
      refute Pleroma.FollowingRelationship.get(user, blocked)
      assert User.get_follow_state(user, blocked) == nil
      assert User.get_follow_state(blocked, user) == nil
      assert User.get_follow_state(user, blocked, nil) == nil
      assert User.get_follow_state(blocked, user, nil) == nil
    end
    test "it blocks but does not unfollow if the relevant setting is set", %{
      user: user,
      blocked: blocked,
      block: block
    } do
      clear_config([:activitypub, :unfollow_blocked], false)
      assert User.following?(user, blocked)
      assert User.following?(blocked, user)
      {:ok, _, _} = SideEffects.handle(block)
      refute User.following?(user, blocked)
      assert User.following?(blocked, user)
      assert User.blocks?(user, blocked)
    end
  end
  describe "update users" do
    setup do
      user = insert(:user, local: false)
      {:ok, update_data, []} =
        Builder.update(user, %{"id" => user.ap_id, "type" => "Person", "name" => "new name!"})
      {:ok, update, _meta} = ActivityPub.persist(update_data, local: true)
      %{user: user, update_data: update_data, update: update}
    end
    test "it updates the user", %{user: user, update: update} do
      {:ok, _, _} = SideEffects.handle(update)
      user = User.get_by_id(user.id)
      assert user.name == "new name!"
    end
    test "it uses a given changeset to update", %{user: user, update: update} do
      changeset = Ecto.Changeset.change(user, %{default_scope: "direct"})
      assert user.default_scope == "public"
      {:ok, _, _} = SideEffects.handle(update, user_update_changeset: changeset)
      user = User.get_by_id(user.id)
      assert user.default_scope == "direct"
    end
  end
  describe "update notes" do
    setup do
      make_time = fn ->
        Pleroma.Web.ActivityPub.Utils.make_date()
      end
      user = insert(:user)
      note = insert(:note, user: user, data: %{"published" => make_time.()})
      _note_activity = insert(:note_activity, note: note)
      updated_note =
        note.data
        |> Map.put("summary", "edited summary")
        |> Map.put("content", "edited content")
        |> Map.put("updated", make_time.())
      {:ok, update_data, []} = Builder.update(user, updated_note)
      {:ok, update, _meta} = ActivityPub.persist(update_data, local: true)
      %{
        user: user,
        note: note,
        object_id: note.id,
        update_data: update_data,
        update: update,
        updated_note: updated_note
      }
    end
    test "it updates the note", %{
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      updated_time = updated_note["updated"]
      new_note = Pleroma.Object.get_by_id(object_id)
      assert %{
               "summary" => "edited summary",
               "content" => "edited content",
               "updated" => ^updated_time
             } = new_note.data
    end
    test "it rejects updates with no updated attribute in object", %{
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      old_note = Pleroma.Object.get_by_id(object_id)
      updated_note = Map.drop(updated_note, ["updated"])
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      new_note = Pleroma.Object.get_by_id(object_id)
      assert old_note.data == new_note.data
    end
    test "it rejects updates with updated attribute older than what we have in the original object",
         %{
           object_id: object_id,
           update: update,
           updated_note: updated_note
         } do
      old_note = Pleroma.Object.get_by_id(object_id)
      {:ok, creation_time, _} = DateTime.from_iso8601(old_note.data["published"])
      updated_note =
        Map.put(updated_note, "updated", DateTime.to_iso8601(DateTime.add(creation_time, -10)))
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      new_note = Pleroma.Object.get_by_id(object_id)
      assert old_note.data == new_note.data
    end
    test "it rejects updates with updated attribute older than the last Update", %{
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      old_note = Pleroma.Object.get_by_id(object_id)
      {:ok, creation_time, _} = DateTime.from_iso8601(old_note.data["published"])
      updated_note =
        Map.put(updated_note, "updated", DateTime.to_iso8601(DateTime.add(creation_time, +10)))
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      old_note = Pleroma.Object.get_by_id(object_id)
      {:ok, update_time, _} = DateTime.from_iso8601(old_note.data["updated"])
      updated_note =
        Map.put(updated_note, "updated", DateTime.to_iso8601(DateTime.add(update_time, -5)))
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      new_note = Pleroma.Object.get_by_id(object_id)
      assert old_note.data == new_note.data
    end
    test "it updates using object_data", %{
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      updated_note = Map.put(updated_note, "summary", "mew mew")
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      new_note = Pleroma.Object.get_by_id(object_id)
      assert %{"summary" => "mew mew", "content" => "edited content"} = new_note.data
    end
    test "it records the original note in formerRepresentations", %{
      note: note,
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      %{data: new_note} = Pleroma.Object.get_by_id(object_id)
      assert %{"summary" => "edited summary", "content" => "edited content"} = new_note
      assert [Map.drop(note.data, ["id", "formerRepresentations"])] ==
               new_note["formerRepresentations"]["orderedItems"]
      assert new_note["formerRepresentations"]["totalItems"] == 1
    end
    test "it puts the original note at the front of formerRepresentations", %{
      user: user,
      note: note,
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      %{data: first_edit} = Pleroma.Object.get_by_id(object_id)
      second_updated_note =
        note.data
        |> Map.put("summary", "edited summary 2")
        |> Map.put("content", "edited content 2")
        |> Map.put(
          "updated",
          first_edit["updated"]
          |> DateTime.from_iso8601()
          |> elem(1)
          |> DateTime.add(10)
          |> DateTime.to_iso8601()
        )
      {:ok, second_update_data, []} = Builder.update(user, second_updated_note)
      {:ok, update, _meta} = ActivityPub.persist(second_update_data, local: true)
      {:ok, _, _} = SideEffects.handle(update, object_data: second_updated_note)
      %{data: new_note} = Pleroma.Object.get_by_id(object_id)
      assert %{"summary" => "edited summary 2", "content" => "edited content 2"} = new_note
      original_version = Map.drop(note.data, ["id", "formerRepresentations"])
      first_edit = Map.drop(first_edit, ["id", "formerRepresentations"])
      assert [first_edit, original_version] ==
               new_note["formerRepresentations"]["orderedItems"]
      assert new_note["formerRepresentations"]["totalItems"] == 2
    end
    test "it does not prepend to formerRepresentations if no actual changes are made", %{
      note: note,
      object_id: object_id,
      update: update,
      updated_note: updated_note
    } do
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      %{data: first_edit} = Pleroma.Object.get_by_id(object_id)
      updated_note =
        updated_note
        |> Map.put(
          "updated",
          first_edit["updated"]
          |> DateTime.from_iso8601()
          |> elem(1)
          |> DateTime.add(10)
          |> DateTime.to_iso8601()
        )
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_note)
      %{data: new_note} = Pleroma.Object.get_by_id(object_id)
      assert %{"summary" => "edited summary", "content" => "edited content"} = new_note
      original_version = Map.drop(note.data, ["id", "formerRepresentations"])
      assert [original_version] ==
               new_note["formerRepresentations"]["orderedItems"]
      assert new_note["formerRepresentations"]["totalItems"] == 1
    end
  end
  describe "update questions" do
    setup do
      user = insert(:user)
      question =
        insert(:question,
          user: user,
          data: %{"published" => Pleroma.Web.ActivityPub.Utils.make_date()}
        )
      %{user: user, data: question.data, id: question.id}
    end
    test "allows updating choice count without generating edit history", %{
      user: user,
      data: data,
      id: id
    } do
      new_choices =
        data["oneOf"]
        |> Enum.map(fn choice -> put_in(choice, ["replies", "totalItems"], 5) end)
      updated_question =
        data
        |> Map.put("oneOf", new_choices)
        |> Map.put("updated", Pleroma.Web.ActivityPub.Utils.make_date())
      {:ok, update_data, []} = Builder.update(user, updated_question)
      {:ok, update, _meta} = ActivityPub.persist(update_data, local: true)
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_question)
      %{data: new_question} = Pleroma.Object.get_by_id(id)
      assert [%{"replies" => %{"totalItems" => 5}}, %{"replies" => %{"totalItems" => 5}}] =
               new_question["oneOf"]
      refute Map.has_key?(new_question, "formerRepresentations")
    end
    test "allows updating choice count without updated field", %{
      user: user,
      data: data,
      id: id
    } do
      new_choices =
        data["oneOf"]
        |> Enum.map(fn choice -> put_in(choice, ["replies", "totalItems"], 5) end)
      updated_question =
        data
        |> Map.put("oneOf", new_choices)
      {:ok, update_data, []} = Builder.update(user, updated_question)
      {:ok, update, _meta} = ActivityPub.persist(update_data, local: true)
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_question)
      %{data: new_question} = Pleroma.Object.get_by_id(id)
      assert [%{"replies" => %{"totalItems" => 5}}, %{"replies" => %{"totalItems" => 5}}] =
               new_question["oneOf"]
      refute Map.has_key?(new_question, "formerRepresentations")
    end
    test "allows updating choice count with updated field same as the creation date", %{
      user: user,
      data: data,
      id: id
    } do
      new_choices =
        data["oneOf"]
        |> Enum.map(fn choice -> put_in(choice, ["replies", "totalItems"], 5) end)
      updated_question =
        data
        |> Map.put("oneOf", new_choices)
        |> Map.put("updated", data["published"])
      {:ok, update_data, []} = Builder.update(user, updated_question)
      {:ok, update, _meta} = ActivityPub.persist(update_data, local: true)
      {:ok, _, _} = SideEffects.handle(update, object_data: updated_question)
      %{data: new_question} = Pleroma.Object.get_by_id(id)
      assert [%{"replies" => %{"totalItems" => 5}}, %{"replies" => %{"totalItems" => 5}}] =
               new_question["oneOf"]
      refute Map.has_key?(new_question, "formerRepresentations")
    end
  end
  describe "EmojiReact objects" do
    setup do
      poster = insert(:user)
      user = insert(:user)
      {:ok, post} = CommonAPI.post(poster, %{status: "hey"})
      {:ok, emoji_react_data, []} = Builder.emoji_react(user, post.object, "👌")
      {:ok, emoji_react, _meta} = ActivityPub.persist(emoji_react_data, local: true)
      %{emoji_react: emoji_react, user: user, poster: poster}
    end
    test "adds the reaction to the object", %{emoji_react: emoji_react, user: user} do
      {:ok, emoji_react, _} = SideEffects.handle(emoji_react)
      object = Object.get_by_ap_id(emoji_react.data["object"])
      assert object.data["reaction_count"] == 1
      assert ["👌", [user.ap_id], nil] in object.data["reactions"]
    end
    test "creates a notification", %{emoji_react: emoji_react, poster: poster} do
      {:ok, emoji_react, _} = SideEffects.handle(emoji_react)
      assert Repo.get_by(Notification, user_id: poster.id, activity_id: emoji_react.id)
    end
  end
  describe "Question objects" do
    setup do
      user = insert(:user)
      question = build(:question, user: user)
      question_activity = build(:question_activity, question: question)
      activity_data = Map.put(question_activity.data, "object", question.data["id"])
      meta = [object_data: question.data, local: false]
      {:ok, activity, meta} = ActivityPub.persist(activity_data, meta)
      %{activity: activity, meta: meta}
    end
    test "enqueues the poll end", %{activity: activity, meta: meta} do
      {:ok, activity, meta} = SideEffects.handle(activity, meta)
      assert_enqueued(
        worker: Pleroma.Workers.PollWorker,
        args: %{op: "poll_end", activity_id: activity.id},
        scheduled_at: NaiveDateTime.from_iso8601!(meta[:object_data]["closed"])
      )
    end
  end
  describe "delete users with confirmation pending" do
    setup do
      user = insert(:user, is_confirmed: false)
      {:ok, delete_user_data, _meta} = Builder.delete(user, user.ap_id)
      {:ok, delete_user, _meta} = ActivityPub.persist(delete_user_data, local: true)
      {:ok, delete: delete_user, user: user}
    end
    test "when activation is required", %{delete: delete, user: user} do
      clear_config([:instance, :account_activation_required], true)
      {:ok, _, _} = SideEffects.handle(delete)
      ObanHelpers.perform_all()
      refute User.get_cached_by_id(user.id)
    end
  end
  describe "Undo objects" do
    setup do
      poster = insert(:user)
      user = insert(:user)
      {:ok, post} = CommonAPI.post(poster, %{status: "hey"})
      {:ok, like} = CommonAPI.favorite(post.id, user)
      {:ok, reaction} = CommonAPI.react_with_emoji(post.id, user, "👍")
      {:ok, announce} = CommonAPI.repeat(post.id, user)
      {:ok, block} = CommonAPI.block(poster, user)
      {:ok, undo_data, _meta} = Builder.undo(user, like)
      {:ok, like_undo, _meta} = ActivityPub.persist(undo_data, local: true)
      {:ok, undo_data, _meta} = Builder.undo(user, reaction)
      {:ok, reaction_undo, _meta} = ActivityPub.persist(undo_data, local: true)
      {:ok, undo_data, _meta} = Builder.undo(user, announce)
      {:ok, announce_undo, _meta} = ActivityPub.persist(undo_data, local: true)
      {:ok, undo_data, _meta} = Builder.undo(user, block)
      {:ok, block_undo, _meta} = ActivityPub.persist(undo_data, local: true)
      %{
        like_undo: like_undo,
        post: post,
        like: like,
        reaction_undo: reaction_undo,
        reaction: reaction,
        announce_undo: announce_undo,
        announce: announce,
        block_undo: block_undo,
        block: block,
        poster: poster,
        user: user
      }
    end
    test "deletes the original block", %{
      block_undo: block_undo,
      block: block
    } do
      {:ok, _block_undo, _meta} = SideEffects.handle(block_undo)
      refute Activity.get_by_id(block.id)
    end
    test "unblocks the blocked user", %{block_undo: block_undo, block: block} do
      blocker = User.get_by_ap_id(block.data["actor"])
      blocked = User.get_by_ap_id(block.data["object"])
      {:ok, _block_undo, _} = SideEffects.handle(block_undo)
      refute User.blocks?(blocker, blocked)
    end
    test "an announce undo removes the announce from the object", %{
      announce_undo: announce_undo,
      post: post
    } do
      {:ok, _announce_undo, _} = SideEffects.handle(announce_undo)
      object = Object.get_by_ap_id(post.data["object"])
      assert object.data["announcement_count"] == 0
      assert object.data["announcements"] == []
    end
    test "deletes the original announce", %{announce_undo: announce_undo, announce: announce} do
      {:ok, _announce_undo, _} = SideEffects.handle(announce_undo)
      refute Activity.get_by_id(announce.id)
    end
    test "a reaction undo removes the reaction from the object", %{
      reaction_undo: reaction_undo,
      post: post
    } do
      {:ok, _reaction_undo, _} = SideEffects.handle(reaction_undo)
      object = Object.get_by_ap_id(post.data["object"])
      assert object.data["reaction_count"] == 0
      assert object.data["reactions"] == []
    end
    test "deletes the original reaction", %{reaction_undo: reaction_undo, reaction: reaction} do
      {:ok, _reaction_undo, _} = SideEffects.handle(reaction_undo)
      refute Activity.get_by_id(reaction.id)
    end
    test "a like undo removes the like from the object", %{like_undo: like_undo, post: post} do
      {:ok, _like_undo, _} = SideEffects.handle(like_undo)
      object = Object.get_by_ap_id(post.data["object"])
      assert object.data["like_count"] == 0
      assert object.data["likes"] == []
    end
    test "deletes the original like", %{like_undo: like_undo, like: like} do
      {:ok, _like_undo, _} = SideEffects.handle(like_undo)
      refute Activity.get_by_id(like.id)
    end
  end
  describe "like objects" do
    setup do
      poster = insert(:user)
      user = insert(:user)
      {:ok, post} = CommonAPI.post(poster, %{status: "hey"})
      {:ok, like_data, _meta} = Builder.like(user, post.object)
      {:ok, like, _meta} = ActivityPub.persist(like_data, local: true)
      %{like: like, user: user, poster: poster}
    end
    test "add the like to the original object", %{like: like, user: user} do
      {:ok, like, _} = SideEffects.handle(like)
      object = Object.get_by_ap_id(like.data["object"])
      assert object.data["like_count"] == 1
      assert user.ap_id in object.data["likes"]
    end
    test "creates a notification", %{like: like, poster: poster} do
      {:ok, like, _} = SideEffects.handle(like)
      assert Repo.get_by(Notification, user_id: poster.id, activity_id: like.id)
    end
  end
  describe "creation of ChatMessages" do
    test "notifies the recipient" do
      author = insert(:user, local: false)
      recipient = insert(:user, local: true)
      {:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")
      {:ok, create_activity_data, _meta} =
        Builder.create(author, chat_message_data["id"], [recipient.ap_id])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, _meta} =
        SideEffects.handle(create_activity, local: false, object_data: chat_message_data)
      assert Repo.get_by(Notification, user_id: recipient.id, activity_id: create_activity.id)
    end
    test "it streams the created ChatMessage" do
      author = insert(:user, local: true)
      recipient = insert(:user, local: true)
      {:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")
      {:ok, create_activity_data, _meta} =
        Builder.create(author, chat_message_data["id"], [recipient.ap_id])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, meta} =
        SideEffects.handle(create_activity, local: false, object_data: chat_message_data)
      assert [_, _] = meta[:streamables]
    end
    test "it creates a Chat and MessageReferences for the local users and bumps the unread count, except for the author" do
      author = insert(:user, local: true)
      recipient = insert(:user, local: true)
      {:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")
      {:ok, create_activity_data, _meta} =
        Builder.create(author, chat_message_data["id"], [recipient.ap_id])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      with_mocks([
        {
          Pleroma.Web.Streamer,
          [],
          [
            stream: fn _, _ -> nil end
          ]
        },
        {
          Pleroma.Web.Push,
          [],
          [
            send: fn _ -> nil end
          ]
        }
      ]) do
        {:ok, _create_activity, meta} =
          SideEffects.handle(create_activity, local: false, object_data: chat_message_data)
        # The notification gets created
        assert [notification] = meta[:notifications]
        assert notification.activity_id == create_activity.id
        # But it is not sent out
        refute called(Pleroma.Web.Streamer.stream(["user", "user:notification"], notification))
        refute called(Pleroma.Web.Push.send(notification))
        # Same for the user chat stream
        assert [{topics, _}, _] = meta[:streamables]
        assert topics == ["user", "user:pleroma_chat"]
        refute called(Pleroma.Web.Streamer.stream(["user", "user:pleroma_chat"], :_))
        chat = Chat.get(author.id, recipient.ap_id)
        [cm_ref] = MessageReference.for_chat_query(chat) |> Repo.all()
        assert cm_ref.object.data["content"] == "hey"
        assert cm_ref.unread == false
        chat = Chat.get(recipient.id, author.ap_id)
        [cm_ref] = MessageReference.for_chat_query(chat) |> Repo.all()
        assert cm_ref.object.data["content"] == "hey"
        assert cm_ref.unread == true
      end
    end
    test "it creates a Chat for the local users and bumps the unread count" do
      author = insert(:user, local: false)
      recipient = insert(:user, local: true)
      {:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")
      {:ok, create_activity_data, _meta} =
        Builder.create(author, chat_message_data["id"], [recipient.ap_id])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, _meta} =
        SideEffects.handle(create_activity, local: false, object_data: chat_message_data)
      # An object is created
      assert Object.get_by_ap_id(chat_message_data["id"])
      # The remote user won't get a chat
      chat = Chat.get(author.id, recipient.ap_id)
      refute chat
      # The local user will get a chat
      chat = Chat.get(recipient.id, author.ap_id)
      assert chat
      author = insert(:user, local: true)
      recipient = insert(:user, local: true)
      {:ok, chat_message_data, _meta} = Builder.chat_message(author, recipient.ap_id, "hey")
      {:ok, create_activity_data, _meta} =
        Builder.create(author, chat_message_data["id"], [recipient.ap_id])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, _meta} =
        SideEffects.handle(create_activity, local: false, object_data: chat_message_data)
      # Both users are local and get the chat
      chat = Chat.get(author.id, recipient.ap_id)
      assert chat
      chat = Chat.get(recipient.id, author.ap_id)
      assert chat
    end
  end
  describe "announce objects" do
    setup do
      poster = insert(:user)
      user = insert(:user)
      {:ok, post} = CommonAPI.post(poster, %{status: "hey"})
      {:ok, private_post} = CommonAPI.post(poster, %{status: "hey", visibility: "private"})
      {:ok, announce_data, _meta} = Builder.announce(user, post.object, public: true)
      {:ok, private_announce_data, _meta} =
        Builder.announce(user, private_post.object, public: false)
      {:ok, relay_announce_data, _meta} =
        Builder.announce(Pleroma.Web.ActivityPub.Relay.get_actor(), post.object, public: true)
      {:ok, announce, _meta} = ActivityPub.persist(announce_data, local: true)
      {:ok, private_announce, _meta} = ActivityPub.persist(private_announce_data, local: true)
      {:ok, relay_announce, _meta} = ActivityPub.persist(relay_announce_data, local: true)
      %{
        announce: announce,
        user: user,
        poster: poster,
        private_announce: private_announce,
        relay_announce: relay_announce
      }
    end
    test "adds the announce to the original object", %{announce: announce, user: user} do
      {:ok, announce, _} = SideEffects.handle(announce)
      object = Object.get_by_ap_id(announce.data["object"])
      assert object.data["announcement_count"] == 1
      assert user.ap_id in object.data["announcements"]
    end
    test "does not add the announce to the original object if the actor is a service actor", %{
      relay_announce: announce
    } do
      {:ok, announce, _} = SideEffects.handle(announce)
      object = Object.get_by_ap_id(announce.data["object"])
      assert object.data["announcement_count"] == nil
    end
    test "creates a notification", %{announce: announce, poster: poster} do
      {:ok, announce, _} = SideEffects.handle(announce)
      assert Repo.get_by(Notification, user_id: poster.id, activity_id: announce.id)
    end
  end
  describe "removing a follower" do
    setup do
      user = insert(:user)
      followed = insert(:user)
      {:ok, _, _, follow_activity} = CommonAPI.follow(followed, user)
      {:ok, reject_data, []} = Builder.reject(followed, follow_activity)
      {:ok, reject, _meta} = ActivityPub.persist(reject_data, local: true)
      %{user: user, followed: followed, reject: reject}
    end
    test "", %{user: user, followed: followed, reject: reject} do
      assert User.following?(user, followed)
      assert Pleroma.FollowingRelationship.get(user, followed)
      {:ok, _, _} = SideEffects.handle(reject)
      refute User.following?(user, followed)
      refute Pleroma.FollowingRelationship.get(user, followed)
      assert User.get_follow_state(user, followed) == nil
      assert User.get_follow_state(user, followed, nil) == nil
    end
  end
  describe "removing a follower from remote" do
    setup do
      user = insert(:user)
      followed = insert(:user, local: false)
      # Mock a local-to-remote follow
      {:ok, follow_data, []} = Builder.follow(user, followed)
      follow_data =
        follow_data
        |> Map.put("state", "accept")
      {:ok, follow, _meta} = ActivityPub.persist(follow_data, local: true)
      {:ok, _, _} = SideEffects.handle(follow)
      # Mock a remote-to-local accept
      {:ok, accept_data, _} = Builder.accept(followed, follow)
      {:ok, accept, _} = ActivityPub.persist(accept_data, local: false)
      {:ok, _, _} = SideEffects.handle(accept)
      # Mock a remote-to-local reject
      {:ok, reject_data, []} = Builder.reject(followed, follow)
      {:ok, reject, _meta} = ActivityPub.persist(reject_data, local: false)
      %{user: user, followed: followed, reject: reject}
    end
    test "", %{user: user, followed: followed, reject: reject} do
      assert User.following?(user, followed)
      assert Pleroma.FollowingRelationship.get(user, followed)
      {:ok, _, _} = SideEffects.handle(reject)
      refute User.following?(user, followed)
      refute Pleroma.FollowingRelationship.get(user, followed)
      assert Pleroma.Web.ActivityPub.Utils.fetch_latest_follow(user, followed).data["state"] ==
               "reject"
      assert User.get_follow_state(user, followed) == nil
      assert User.get_follow_state(user, followed, nil) == nil
    end
  end
  describe "Group actors" do
    setup do
      poster =
        insert(:user,
          local: false,
          nickname: "poster@example.com",
          ap_id: "https://example.com/users/poster"
        )
      group = insert(:user, actor_type: "Group")
      make_create = fn mentioned_users ->
        mentions = mentioned_users |> Enum.map(fn u -> "@#{u.nickname}" end) |> Enum.join(" ")
        {:ok, draft} = ActivityDraft.create(poster, %{status: "#{mentions} hey"})
        create_activity_data =
          Utils.make_create_data(draft.changes |> Map.put(:published, nil), %{})
          |> put_in(["object", "id"], "https://example.com/object")
          |> put_in(["id"], "https://example.com/activity")
        assert Enum.all?(mentioned_users, fn u -> u.ap_id in create_activity_data["to"] end)
        create_activity_data
      end
      %{poster: poster, group: group, make_create: make_create}
    end
    test "group should boost it", %{make_create: make_create, group: group} do
      create_activity_data = make_create.([group])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, _meta} =
        SideEffects.handle(create_activity,
          local: false,
          object_data: create_activity_data["object"]
        )
      object = Object.normalize(create_activity, fetch: false)
      assert [announce] = get_announces_of_object(object)
      assert announce.actor == group.ap_id
    end
    test "remote group should not boost it", %{make_create: make_create, group: group} do
      remote_group =
        insert(:user, actor_type: "Group", local: false, nickname: "remotegroup@example.com")
      create_activity_data = make_create.([group, remote_group])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, _meta} =
        SideEffects.handle(create_activity,
          local: false,
          object_data: create_activity_data["object"]
        )
      object = Object.normalize(create_activity, fetch: false)
      assert [announce] = get_announces_of_object(object)
      assert announce.actor == group.ap_id
    end
    test "group should not boost it if group is blocking poster", %{
      make_create: make_create,
      group: group,
      poster: poster
    } do
      {:ok, _} = CommonAPI.block(poster, group)
      create_activity_data = make_create.([group])
      {:ok, create_activity, _meta} = ActivityPub.persist(create_activity_data, local: false)
      {:ok, _create_activity, _meta} =
        SideEffects.handle(create_activity,
          local: false,
          object_data: create_activity_data["object"]
        )
      object = Object.normalize(create_activity, fetch: false)
      assert [] = get_announces_of_object(object)
    end
  end
end