git.squeep.com Git - akkoma/blob - test/web/ostatus/ostatus_test.exs

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.OStatusTest do
   6   use Pleroma.DataCase
   7   alias Pleroma.Web.OStatus
   8   alias Pleroma.Web.XML
   9   alias Pleroma.{Object, Repo, User, Activity, Instances}
  10   import Pleroma.Factory
  11   import ExUnit.CaptureLog
  12
  13   setup_all do
  14     Tesla.Mock.mock_global(fn env -> apply(HttpRequestMock, :request, [env]) end)
  15     :ok
  16   end
  17
  18   test "don't insert create notes twice" do
  19     incoming = File.read!("test/fixtures/incoming_note_activity.xml")
  20     {:ok, [activity]} = OStatus.handle_incoming(incoming)
  21     assert {:ok, [activity]} == OStatus.handle_incoming(incoming)
  22   end
  23
  24   test "handle incoming note - GS, Salmon" do
  25     incoming = File.read!("test/fixtures/incoming_note_activity.xml")
  26     {:ok, [activity]} = OStatus.handle_incoming(incoming)
  27
  28     user = User.get_by_ap_id(activity.data["actor"])
  29     assert user.info.note_count == 1
  30     assert activity.data["type"] == "Create"
  31     assert activity.data["object"]["type"] == "Note"
  32
  33     assert activity.data["object"]["id"] ==
  34              "tag:gs.example.org:4040,2017-04-23:noticeId=29:objectType=note"
  35
  36     assert activity.data["published"] == "2017-04-23T14:51:03+00:00"
  37     assert activity.data["object"]["published"] == "2017-04-23T14:51:03+00:00"
  38
  39     assert activity.data["context"] ==
  40              "tag:gs.example.org:4040,2017-04-23:objectType=thread:nonce=f09e22f58abd5c7b"
  41
  42     assert "http://pleroma.example.org:4000/users/lain3" in activity.data["to"]
  43     assert activity.data["object"]["emoji"] == %{"marko" => "marko.png", "reimu" => "reimu.png"}
  44     assert activity.local == false
  45   end
  46
  47   test "handle incoming notes - GS, subscription" do
  48     incoming = File.read!("test/fixtures/ostatus_incoming_post.xml")
  49     {:ok, [activity]} = OStatus.handle_incoming(incoming)
  50
  51     assert activity.data["type"] == "Create"
  52     assert activity.data["object"]["type"] == "Note"
  53     assert activity.data["object"]["actor"] == "https://social.heldscal.la/user/23211"
  54     assert activity.data["object"]["content"] == "Will it blend?"
  55     user = User.get_cached_by_ap_id(activity.data["actor"])
  56     assert User.ap_followers(user) in activity.data["to"]
  57     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
  58   end
  59
  60   test "handle incoming notes with attachments - GS, subscription" do
  61     incoming = File.read!("test/fixtures/incoming_websub_gnusocial_attachments.xml")
  62     {:ok, [activity]} = OStatus.handle_incoming(incoming)
  63
  64     assert activity.data["type"] == "Create"
  65     assert activity.data["object"]["type"] == "Note"
  66     assert activity.data["object"]["actor"] == "https://social.heldscal.la/user/23211"
  67     assert activity.data["object"]["attachment"] |> length == 2
  68     assert activity.data["object"]["external_url"] == "https://social.heldscal.la/notice/2020923"
  69     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
  70   end
  71
  72   test "handle incoming notes with tags" do
  73     incoming = File.read!("test/fixtures/ostatus_incoming_post_tag.xml")
  74     {:ok, [activity]} = OStatus.handle_incoming(incoming)
  75
  76     assert activity.data["object"]["tag"] == ["nsfw"]
  77     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
  78   end
  79
  80   test "handle incoming notes - Mastodon, salmon, reply" do
  81     # It uses the context of the replied to object
  82     Repo.insert!(%Object{
  83       data: %{
  84         "id" => "https://pleroma.soykaf.com/objects/c237d966-ac75-4fe3-a87a-d89d71a3a7a4",
  85         "context" => "2hu"
  86       }
  87     })
  88
  89     incoming = File.read!("test/fixtures/incoming_reply_mastodon.xml")
  90     {:ok, [activity]} = OStatus.handle_incoming(incoming)
  91
  92     assert activity.data["type"] == "Create"
  93     assert activity.data["object"]["type"] == "Note"
  94     assert activity.data["object"]["actor"] == "https://mastodon.social/users/lambadalambda"
  95     assert activity.data["context"] == "2hu"
  96     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
  97   end
  98
  99   test "handle incoming notes - Mastodon, with CW" do
 100     incoming = File.read!("test/fixtures/mastodon-note-cw.xml")
 101     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 102
 103     assert activity.data["type"] == "Create"
 104     assert activity.data["object"]["type"] == "Note"
 105     assert activity.data["object"]["actor"] == "https://mastodon.social/users/lambadalambda"
 106     assert activity.data["object"]["summary"] == "technologic"
 107     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
 108   end
 109
 110   test "handle incoming unlisted messages, put public into cc" do
 111     incoming = File.read!("test/fixtures/mastodon-note-unlisted.xml")
 112     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 113     refute "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
 114     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["cc"]
 115     refute "https://www.w3.org/ns/activitystreams#Public" in activity.data["object"]["to"]
 116     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["object"]["cc"]
 117   end
 118
 119   test "handle incoming retweets - Mastodon, with CW" do
 120     incoming = File.read!("test/fixtures/cw_retweet.xml")
 121     {:ok, [[_activity, retweeted_activity]]} = OStatus.handle_incoming(incoming)
 122
 123     assert retweeted_activity.data["object"]["summary"] == "Hey."
 124   end
 125
 126   test "handle incoming notes - GS, subscription, reply" do
 127     incoming = File.read!("test/fixtures/ostatus_incoming_reply.xml")
 128     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 129
 130     assert activity.data["type"] == "Create"
 131     assert activity.data["object"]["type"] == "Note"
 132     assert activity.data["object"]["actor"] == "https://social.heldscal.la/user/23211"
 133
 134     assert activity.data["object"]["content"] ==
 135              "@<a href=\"https://gs.archae.me/user/4687\" class=\"h-card u-url p-nickname mention\" title=\"shpbot\">shpbot</a> why not indeed."
 136
 137     assert activity.data["object"]["inReplyTo"] ==
 138              "tag:gs.archae.me,2017-04-30:noticeId=778260:objectType=note"
 139
 140     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
 141   end
 142
 143   test "handle incoming retweets - GS, subscription" do
 144     incoming = File.read!("test/fixtures/share-gs.xml")
 145     {:ok, [[activity, retweeted_activity]]} = OStatus.handle_incoming(incoming)
 146
 147     assert activity.data["type"] == "Announce"
 148     assert activity.data["actor"] == "https://social.heldscal.la/user/23211"
 149     assert activity.data["object"] == retweeted_activity.data["object"]["id"]
 150     assert "https://pleroma.soykaf.com/users/lain" in activity.data["to"]
 151     refute activity.local
 152
 153     retweeted_activity = Repo.get(Activity, retweeted_activity.id)
 154     assert retweeted_activity.data["type"] == "Create"
 155     assert retweeted_activity.data["actor"] == "https://pleroma.soykaf.com/users/lain"
 156     refute retweeted_activity.local
 157     assert retweeted_activity.data["object"]["announcement_count"] == 1
 158     assert String.contains?(retweeted_activity.data["object"]["content"], "mastodon")
 159     refute String.contains?(retweeted_activity.data["object"]["content"], "Test account")
 160   end
 161
 162   test "handle incoming retweets - GS, subscription - local message" do
 163     incoming = File.read!("test/fixtures/share-gs-local.xml")
 164     note_activity = insert(:note_activity)
 165     user = User.get_cached_by_ap_id(note_activity.data["actor"])
 166
 167     incoming =
 168       incoming
 169       |> String.replace("LOCAL_ID", note_activity.data["object"]["id"])
 170       |> String.replace("LOCAL_USER", user.ap_id)
 171
 172     {:ok, [[activity, retweeted_activity]]} = OStatus.handle_incoming(incoming)
 173
 174     assert activity.data["type"] == "Announce"
 175     assert activity.data["actor"] == "https://social.heldscal.la/user/23211"
 176     assert activity.data["object"] == retweeted_activity.data["object"]["id"]
 177     assert user.ap_id in activity.data["to"]
 178     refute activity.local
 179
 180     retweeted_activity = Repo.get(Activity, retweeted_activity.id)
 181     assert note_activity.id == retweeted_activity.id
 182     assert retweeted_activity.data["type"] == "Create"
 183     assert retweeted_activity.data["actor"] == user.ap_id
 184     assert retweeted_activity.local
 185     assert retweeted_activity.data["object"]["announcement_count"] == 1
 186   end
 187
 188   test "handle incoming retweets - Mastodon, salmon" do
 189     incoming = File.read!("test/fixtures/share.xml")
 190     {:ok, [[activity, retweeted_activity]]} = OStatus.handle_incoming(incoming)
 191
 192     assert activity.data["type"] == "Announce"
 193     assert activity.data["actor"] == "https://mastodon.social/users/lambadalambda"
 194     assert activity.data["object"] == retweeted_activity.data["object"]["id"]
 195
 196     assert activity.data["id"] ==
 197              "tag:mastodon.social,2017-05-03:objectId=4934452:objectType=Status"
 198
 199     refute activity.local
 200     assert retweeted_activity.data["type"] == "Create"
 201     assert retweeted_activity.data["actor"] == "https://pleroma.soykaf.com/users/lain"
 202     refute retweeted_activity.local
 203     refute String.contains?(retweeted_activity.data["object"]["content"], "Test account")
 204   end
 205
 206   test "handle incoming favorites - GS, websub" do
 207     capture_log(fn ->
 208       incoming = File.read!("test/fixtures/favorite.xml")
 209       {:ok, [[activity, favorited_activity]]} = OStatus.handle_incoming(incoming)
 210
 211       assert activity.data["type"] == "Like"
 212       assert activity.data["actor"] == "https://social.heldscal.la/user/23211"
 213       assert activity.data["object"] == favorited_activity.data["object"]["id"]
 214
 215       assert activity.data["id"] ==
 216                "tag:social.heldscal.la,2017-05-05:fave:23211:comment:2061643:2017-05-05T09:12:50+00:00"
 217
 218       refute activity.local
 219       assert favorited_activity.data["type"] == "Create"
 220       assert favorited_activity.data["actor"] == "https://shitposter.club/user/1"
 221
 222       assert favorited_activity.data["object"]["id"] ==
 223                "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
 224
 225       refute favorited_activity.local
 226     end)
 227   end
 228
 229   test "handle conversation references" do
 230     incoming = File.read!("test/fixtures/mastodon_conversation.xml")
 231     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 232
 233     assert activity.data["context"] ==
 234              "tag:mastodon.social,2017-08-28:objectId=7876885:objectType=Conversation"
 235   end
 236
 237   test "handle incoming favorites with locally available object - GS, websub" do
 238     note_activity = insert(:note_activity)
 239
 240     incoming =
 241       File.read!("test/fixtures/favorite_with_local_note.xml")
 242       |> String.replace("localid", note_activity.data["object"]["id"])
 243
 244     {:ok, [[activity, favorited_activity]]} = OStatus.handle_incoming(incoming)
 245
 246     assert activity.data["type"] == "Like"
 247     assert activity.data["actor"] == "https://social.heldscal.la/user/23211"
 248     assert activity.data["object"] == favorited_activity.data["object"]["id"]
 249     refute activity.local
 250     assert note_activity.id == favorited_activity.id
 251     assert favorited_activity.local
 252   end
 253
 254   test "handle incoming replies" do
 255     incoming = File.read!("test/fixtures/incoming_note_activity_answer.xml")
 256     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 257
 258     assert activity.data["type"] == "Create"
 259     assert activity.data["object"]["type"] == "Note"
 260
 261     assert activity.data["object"]["inReplyTo"] ==
 262              "http://pleroma.example.org:4000/objects/55bce8fc-b423-46b1-af71-3759ab4670bc"
 263
 264     assert "http://pleroma.example.org:4000/users/lain5" in activity.data["to"]
 265
 266     assert activity.data["object"]["id"] ==
 267              "tag:gs.example.org:4040,2017-04-25:noticeId=55:objectType=note"
 268
 269     assert "https://www.w3.org/ns/activitystreams#Public" in activity.data["to"]
 270   end
 271
 272   test "handle incoming follows" do
 273     incoming = File.read!("test/fixtures/follow.xml")
 274     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 275     assert activity.data["type"] == "Follow"
 276
 277     assert activity.data["id"] ==
 278              "tag:social.heldscal.la,2017-05-07:subscription:23211:person:44803:2017-05-07T09:54:48+00:00"
 279
 280     assert activity.data["actor"] == "https://social.heldscal.la/user/23211"
 281     assert activity.data["object"] == "https://pawoo.net/users/pekorino"
 282     refute activity.local
 283
 284     follower = User.get_by_ap_id(activity.data["actor"])
 285     followed = User.get_by_ap_id(activity.data["object"])
 286
 287     assert User.following?(follower, followed)
 288   end
 289
 290   test "handle incoming unfollows with existing follow" do
 291     incoming_follow = File.read!("test/fixtures/follow.xml")
 292     {:ok, [_activity]} = OStatus.handle_incoming(incoming_follow)
 293
 294     incoming = File.read!("test/fixtures/unfollow.xml")
 295     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 296
 297     assert activity.data["type"] == "Undo"
 298
 299     assert activity.data["id"] ==
 300              "undo:tag:social.heldscal.la,2017-05-07:subscription:23211:person:44803:2017-05-07T09:54:48+00:00"
 301
 302     assert activity.data["actor"] == "https://social.heldscal.la/user/23211"
 303     assert is_map(activity.data["object"])
 304     assert activity.data["object"]["type"] == "Follow"
 305     assert activity.data["object"]["object"] == "https://pawoo.net/users/pekorino"
 306     refute activity.local
 307
 308     follower = User.get_by_ap_id(activity.data["actor"])
 309     followed = User.get_by_ap_id(activity.data["object"]["object"])
 310
 311     refute User.following?(follower, followed)
 312   end
 313
 314   test "it clears `unreachable` federation status of the sender" do
 315     incoming_reaction_xml = File.read!("test/fixtures/share-gs.xml")
 316     doc = XML.parse_document(incoming_reaction_xml)
 317     actor_uri = XML.string_from_xpath("//author/uri[1]", doc)
 318     reacted_to_author_uri = XML.string_from_xpath("//author/uri[2]", doc)
 319
 320     Instances.set_consistently_unreachable(actor_uri)
 321     Instances.set_consistently_unreachable(reacted_to_author_uri)
 322     refute Instances.reachable?(actor_uri)
 323     refute Instances.reachable?(reacted_to_author_uri)
 324
 325     {:ok, _} = OStatus.handle_incoming(incoming_reaction_xml)
 326     assert Instances.reachable?(actor_uri)
 327     refute Instances.reachable?(reacted_to_author_uri)
 328   end
 329
 330   describe "new remote user creation" do
 331     test "returns local users" do
 332       local_user = insert(:user)
 333       {:ok, user} = OStatus.find_or_make_user(local_user.ap_id)
 334
 335       assert user == local_user
 336     end
 337
 338     test "tries to use the information in poco fields" do
 339       uri = "https://social.heldscal.la/user/23211"
 340
 341       {:ok, user} = OStatus.find_or_make_user(uri)
 342
 343       user = Repo.get(Pleroma.User, user.id)
 344       assert user.name == "Constance Variable"
 345       assert user.nickname == "lambadalambda@social.heldscal.la"
 346       assert user.local == false
 347       assert user.info.uri == uri
 348       assert user.ap_id == uri
 349       assert user.bio == "Call me Deacon Blues."
 350       assert user.avatar["type"] == "Image"
 351
 352       {:ok, user_again} = OStatus.find_or_make_user(uri)
 353
 354       assert user == user_again
 355     end
 356
 357     test "find_or_make_user sets all the nessary input fields" do
 358       uri = "https://social.heldscal.la/user/23211"
 359       {:ok, user} = OStatus.find_or_make_user(uri)
 360
 361       assert user.info ==
 362                %Pleroma.User.Info{
 363                  id: user.info.id,
 364                  ap_enabled: false,
 365                  background: %{},
 366                  banner: %{},
 367                  blocks: [],
 368                  deactivated: false,
 369                  default_scope: "public",
 370                  domain_blocks: [],
 371                  follower_count: 0,
 372                  is_admin: false,
 373                  is_moderator: false,
 374                  keys: nil,
 375                  locked: false,
 376                  no_rich_text: false,
 377                  note_count: 0,
 378                  settings: nil,
 379                  source_data: %{},
 380                  hub: "https://social.heldscal.la/main/push/hub",
 381                  magic_key:
 382                    "RSA.uzg6r1peZU0vXGADWxGJ0PE34WvmhjUmydbX5YYdOiXfODVLwCMi1umGoqUDm-mRu4vNEdFBVJU1CpFA7dKzWgIsqsa501i2XqElmEveXRLvNRWFB6nG03Q5OUY2as8eE54BJm0p20GkMfIJGwP6TSFb-ICp3QjzbatuSPJ6xCE=.AQAB",
 383                  salmon: "https://social.heldscal.la/main/salmon/user/23211",
 384                  topic: "https://social.heldscal.la/api/statuses/user_timeline/23211.atom",
 385                  uri: "https://social.heldscal.la/user/23211"
 386                }
 387     end
 388
 389     test "find_make_or_update_user takes an author element and returns an updated user" do
 390       uri = "https://social.heldscal.la/user/23211"
 391
 392       {:ok, user} = OStatus.find_or_make_user(uri)
 393       old_name = user.name
 394       old_bio = user.bio
 395       change = Ecto.Changeset.change(user, %{avatar: nil, bio: nil, old_name: nil})
 396
 397       {:ok, user} = Repo.update(change)
 398       refute user.avatar
 399
 400       doc = XML.parse_document(File.read!("test/fixtures/23211.atom"))
 401       [author] = :xmerl_xpath.string('//author[1]', doc)
 402       {:ok, user} = OStatus.find_make_or_update_user(author)
 403       assert user.avatar["type"] == "Image"
 404       assert user.name == old_name
 405       assert user.bio == old_bio
 406
 407       {:ok, user_again} = OStatus.find_make_or_update_user(author)
 408       assert user_again == user
 409     end
 410   end
 411
 412   describe "gathering user info from a user id" do
 413     test "it returns user info in a hash" do
 414       user = "shp@social.heldscal.la"
 415
 416       # TODO: make test local
 417       {:ok, data} = OStatus.gather_user_info(user)
 418
 419       expected = %{
 420         "hub" => "https://social.heldscal.la/main/push/hub",
 421         "magic_key" =>
 422           "RSA.wQ3i9UA0qmAxZ0WTIp4a-waZn_17Ez1pEEmqmqoooRsG1_BvpmOvLN0G2tEcWWxl2KOtdQMCiPptmQObeZeuj48mdsDZ4ArQinexY2hCCTcbV8Xpswpkb8K05RcKipdg07pnI7tAgQ0VWSZDImncL6YUGlG5YN8b5TjGOwk2VG8=.AQAB",
 423         "name" => "shp",
 424         "nickname" => "shp",
 425         "salmon" => "https://social.heldscal.la/main/salmon/user/29191",
 426         "subject" => "acct:shp@social.heldscal.la",
 427         "topic" => "https://social.heldscal.la/api/statuses/user_timeline/29191.atom",
 428         "uri" => "https://social.heldscal.la/user/29191",
 429         "host" => "social.heldscal.la",
 430         "fqn" => user,
 431         "bio" => "cofe",
 432         "avatar" => %{
 433           "type" => "Image",
 434           "url" => [
 435             %{
 436               "href" => "https://social.heldscal.la/avatar/29191-original-20170421154949.jpeg",
 437               "mediaType" => "image/jpeg",
 438               "type" => "Link"
 439             }
 440           ]
 441         },
 442         "subscribe_address" => "https://social.heldscal.la/main/ostatussub?profile={uri}",
 443         "ap_id" => nil
 444       }
 445
 446       assert data == expected
 447     end
 448
 449     test "it works with the uri" do
 450       user = "https://social.heldscal.la/user/29191"
 451
 452       # TODO: make test local
 453       {:ok, data} = OStatus.gather_user_info(user)
 454
 455       expected = %{
 456         "hub" => "https://social.heldscal.la/main/push/hub",
 457         "magic_key" =>
 458           "RSA.wQ3i9UA0qmAxZ0WTIp4a-waZn_17Ez1pEEmqmqoooRsG1_BvpmOvLN0G2tEcWWxl2KOtdQMCiPptmQObeZeuj48mdsDZ4ArQinexY2hCCTcbV8Xpswpkb8K05RcKipdg07pnI7tAgQ0VWSZDImncL6YUGlG5YN8b5TjGOwk2VG8=.AQAB",
 459         "name" => "shp",
 460         "nickname" => "shp",
 461         "salmon" => "https://social.heldscal.la/main/salmon/user/29191",
 462         "subject" => "https://social.heldscal.la/user/29191",
 463         "topic" => "https://social.heldscal.la/api/statuses/user_timeline/29191.atom",
 464         "uri" => "https://social.heldscal.la/user/29191",
 465         "host" => "social.heldscal.la",
 466         "fqn" => user,
 467         "bio" => "cofe",
 468         "avatar" => %{
 469           "type" => "Image",
 470           "url" => [
 471             %{
 472               "href" => "https://social.heldscal.la/avatar/29191-original-20170421154949.jpeg",
 473               "mediaType" => "image/jpeg",
 474               "type" => "Link"
 475             }
 476           ]
 477         },
 478         "subscribe_address" => "https://social.heldscal.la/main/ostatussub?profile={uri}",
 479         "ap_id" => nil
 480       }
 481
 482       assert data == expected
 483     end
 484   end
 485
 486   describe "fetching a status by it's HTML url" do
 487     test "it builds a missing status from an html url" do
 488       capture_log(fn ->
 489         url = "https://shitposter.club/notice/2827873"
 490         {:ok, [activity]} = OStatus.fetch_activity_from_url(url)
 491
 492         assert activity.data["actor"] == "https://shitposter.club/user/1"
 493
 494         assert activity.data["object"]["id"] ==
 495                  "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
 496       end)
 497     end
 498
 499     test "it works for atom notes, too" do
 500       url = "https://social.sakamoto.gq/objects/0ccc1a2c-66b0-4305-b23a-7f7f2b040056"
 501       {:ok, [activity]} = OStatus.fetch_activity_from_url(url)
 502       assert activity.data["actor"] == "https://social.sakamoto.gq/users/eal"
 503       assert activity.data["object"]["id"] == url
 504     end
 505   end
 506
 507   test "it doesn't add nil in the to field" do
 508     incoming = File.read!("test/fixtures/nil_mention_entry.xml")
 509     {:ok, [activity]} = OStatus.handle_incoming(incoming)
 510
 511     assert activity.data["to"] == [
 512              "http://localhost:4001/users/atarifrosch@social.stopwatchingus-heidelberg.de/followers",
 513              "https://www.w3.org/ns/activitystreams#Public"
 514            ]
 515   end
 516
 517   describe "is_representable?" do
 518     test "Note objects are representable" do
 519       note_activity = insert(:note_activity)
 520
 521       assert OStatus.is_representable?(note_activity)
 522     end
 523
 524     test "Article objects are not representable" do
 525       note_activity = insert(:note_activity)
 526
 527       note_object = Object.normalize(note_activity.data["object"])
 528
 529       note_data =
 530         note_object.data
 531         |> Map.put("type", "Article")
 532
 533       Cachex.clear(:object_cache)
 534
 535       cs = Object.change(note_object, %{data: note_data})
 536       {:ok, _article_object} = Repo.update(cs)
 537
 538       # the underlying object is now an Article instead of a note, so this should fail
 539       refute OStatus.is_representable?(note_activity)
 540     end
 541   end
 542 end