Split Federation as separate context

test/federation/activity_pub/activity_pub_test.exs

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+# Portions of this file are derived from Pleroma:
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social>
+# SPDX-License-Identifier: AGPL-3.0-only
+# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/test/web/activity_pub/activity_pub_test.exs
+
+defmodule Mobilizon.Federation.ActivityPubTest do
+  use ExVCR.Mock, adapter: ExVCR.Adapter.Hackney
+  use Mobilizon.DataCase
+
+  import Mock
+  import Mobilizon.Factory
+
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Events
+
+  alias Mobilizon.Federation.ActivityPub
+  alias Mobilizon.Federation.HTTPSignatures.Signature
+
+  @activity_pub_public_audience "https://www.w3.org/ns/activitystreams#Public"
+
+  setup_all do
+    HTTPoison.start()
+  end
+
+  describe "setting HTTP signature" do
+    test "set http signature header" do
+      actor = insert(:actor)
+
+      signature =
+        Signature.sign(actor, %{
+          host: "example.com",
+          "content-length": 15,
+          digest: %{id: "my_id"} |> Jason.encode!() |> Signature.build_digest(),
+          "(request-target)": Signature.generate_request_target("POST", "/inbox"),
+          date: Signature.generate_date_header()
+        })
+
+      assert signature =~ "headers=\"(request-target) content-length date digest host\""
+    end
+  end
+
+  describe "fetching actor from its url" do
+    test "returns an actor from nickname" do
+      use_cassette "activity_pub/fetch_tcit@framapiaf.org" do
+        assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"} = actor} =
+                 ActivityPub.make_actor_from_nickname("tcit@framapiaf.org")
+      end
+    end
+
+    test "returns an actor from url" do
+      use_cassette "activity_pub/fetch_framapiaf.org_users_tcit" do
+        assert {:ok, %Actor{preferred_username: "tcit", domain: "framapiaf.org"}} =
+                 ActivityPub.get_or_fetch_actor_by_url("https://framapiaf.org/users/tcit")
+      end
+    end
+  end
+
+  describe "create activities" do
+    #    test "removes doubled 'to' recipients" do
+    #      actor = insert(:actor)
+    #
+    #      {:ok, activity, _} =
+    #        ActivityPub.create(%{
+    #          to: ["user1", "user1", "user2"],
+    #          actor: actor,
+    #          context: "",
+    #          object: %{}
+    #        })
+    #
+    #      assert activity.data["to"] == ["user1", "user2"]
+    #      assert activity.actor == actor.url
+    #      assert activity.recipients == ["user1", "user2"]
+    #    end
+  end
+
+  describe "fetching an" do
+    test "object by url" do
+      use_cassette "activity_pub/fetch_framapiaf_framasoft_status" do
+        {:ok, object} =
+          ActivityPub.fetch_object_from_url(
+            "https://framapiaf.org/users/Framasoft/statuses/102093631881522097"
+          )
+
+        {:ok, object_again} =
+          ActivityPub.fetch_object_from_url(
+            "https://framapiaf.org/users/Framasoft/statuses/102093631881522097"
+          )
+
+        assert object.id == object_again.id
+      end
+    end
+
+    test "object reply by url" do
+      use_cassette "activity_pub/fetch_framasoft_framapiaf_reply" do
+        {:ok, object} =
+          ActivityPub.fetch_object_from_url("https://mamot.fr/@imacrea/102094441327423790")
+
+        assert object.in_reply_to_comment.url ==
+                 "https://framapiaf.org/users/Framasoft/statuses/102093632302210150"
+      end
+    end
+
+    test "object reply to a video by url" do
+      use_cassette "activity_pub/fetch_reply_to_framatube" do
+        {:ok, object} =
+          ActivityPub.fetch_object_from_url(
+            "https://diaspodon.fr/users/dada/statuses/100820008426311925"
+          )
+
+        assert object.in_reply_to_comment == nil
+      end
+    end
+  end
+
+  describe "deletion" do
+    test "it creates a delete activity and deletes the original event" do
+      event = insert(:event)
+      event = Events.get_public_event_by_url_with_preload!(event.url)
+      {:ok, delete, _} = ActivityPub.delete(event)
+
+      assert delete.data["type"] == "Delete"
+      assert delete.data["actor"] == event.organizer_actor.url
+      assert delete.data["object"] == event.url
+
+      assert Events.get_event_by_url(event.url) == nil
+    end
+
+    test "it deletes the original event but only locally if needed" do
+      with_mock ActivityPub.Utils,
+        maybe_federate: fn _ -> :ok end,
+        lazy_put_activity_defaults: fn args -> args end do
+        event = insert(:event)
+        event = Events.get_public_event_by_url_with_preload!(event.url)
+        {:ok, delete, _} = ActivityPub.delete(event, false)
+
+        assert delete.data["type"] == "Delete"
+        assert delete.data["actor"] == event.organizer_actor.url
+        assert delete.data["object"] == event.url
+        assert delete.local == false
+
+        assert Events.get_event_by_url(event.url) == nil
+
+        assert_called(ActivityPub.Utils.maybe_federate(delete))
+      end
+    end
+
+    test "it creates a delete activity and deletes the original comment" do
+      comment = insert(:comment)
+      comment = Events.get_comment_from_url_with_preload!(comment.url)
+      assert is_nil(Events.get_comment_from_url(comment.url).deleted_at)
+      {:ok, delete, _} = ActivityPub.delete(comment)
+
+      assert delete.data["type"] == "Delete"
+      assert delete.data["actor"] == comment.actor.url
+      assert delete.data["object"] == comment.url
+
+      refute is_nil(Events.get_comment_from_url(comment.url).deleted_at)
+    end
+  end
+
+  describe "update" do
+    @updated_actor_summary "This is an updated actor"
+
+    test "it creates an update activity with the new actor data" do
+      actor = insert(:actor)
+      actor_data = %{summary: @updated_actor_summary}
+
+      {:ok, update, _} = ActivityPub.update(:actor, actor, actor_data, false)
+
+      assert update.data["actor"] == actor.url
+      assert update.data["to"] == [@activity_pub_public_audience]
+      assert update.data["object"]["id"] == actor.url
+      assert update.data["object"]["type"] == :Person
+      assert update.data["object"]["summary"] == @updated_actor_summary
+    end
+
+    @updated_start_time DateTime.utc_now() |> DateTime.truncate(:second)
+
+    test "it creates an update activity with the new event data" do
+      actor = insert(:actor)
+      event = insert(:event, organizer_actor: actor)
+      event_data = %{begins_on: @updated_start_time}
+
+      {:ok, update, _} = ActivityPub.update(:event, event, event_data)
+
+      assert update.data["actor"] == actor.url
+      assert update.data["to"] == [@activity_pub_public_audience]
+      assert update.data["object"]["id"] == event.url
+      assert update.data["object"]["type"] == "Event"
+      assert update.data["object"]["startTime"] == DateTime.to_iso8601(@updated_start_time)
+    end
+  end
+end