git.squeep.com Git - akkoma/blob - test/web/activity_pub/transmogrifier_test.exs

   1 defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
   2   use Pleroma.DataCase
   3   alias Pleroma.Web.ActivityPub.Transmogrifier
   4   alias Pleroma.Web.ActivityPub.Utils
   5   alias Pleroma.Web.ActivityPub.ActivityPub
   6   alias Pleroma.Web.OStatus
   7   alias Pleroma.Activity
   8   alias Pleroma.User
   9   alias Pleroma.Repo
  10   alias Pleroma.Web.Websub.WebsubClientSubscription
  11   alias Pleroma.Web.Websub.WebsubServerSubscription
  12   import Ecto.Query
  13
  14   import Pleroma.Factory
  15   alias Pleroma.Web.CommonAPI
  16
  17   describe "handle_incoming" do
  18     test "it ignores an incoming notice if we already have it" do
  19       activity = insert(:note_activity)
  20
  21       data =
  22         File.read!("test/fixtures/mastodon-post-activity.json")
  23         |> Poison.decode!()
  24         |> Map.put("object", activity.data["object"])
  25
  26       {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
  27
  28       assert activity == returned_activity
  29     end
  30
  31     test "it fetches replied-to activities if we don't have them" do
  32       data =
  33         File.read!("test/fixtures/mastodon-post-activity.json")
  34         |> Poison.decode!()
  35
  36       object =
  37         data["object"]
  38         |> Map.put("inReplyTo", "https://shitposter.club/notice/2827873")
  39
  40       data =
  41         data
  42         |> Map.put("object", object)
  43
  44       {:ok, returned_activity} = Transmogrifier.handle_incoming(data)
  45
  46       assert activity =
  47                Activity.get_create_activity_by_object_ap_id(
  48                  "tag:shitposter.club,2017-05-05:noticeId=2827873:objectType=comment"
  49                )
  50
  51       assert returned_activity.data["object"]["inReplyToAtomUri"] ==
  52                "https://shitposter.club/notice/2827873"
  53
  54       assert returned_activity.data["object"]["inReplyToStatusId"] == activity.id
  55     end
  56
  57     test "it works for incoming notices" do
  58       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
  59
  60       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
  61
  62       assert data["id"] ==
  63                "http://mastodon.example.org/users/admin/statuses/99512778738411822/activity"
  64
  65       assert data["context"] ==
  66                "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
  67
  68       assert data["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
  69
  70       assert data["cc"] == [
  71                "http://mastodon.example.org/users/admin/followers",
  72                "http://localtesting.pleroma.lol/users/lain"
  73              ]
  74
  75       assert data["actor"] == "http://mastodon.example.org/users/admin"
  76
  77       object = data["object"]
  78       assert object["id"] == "http://mastodon.example.org/users/admin/statuses/99512778738411822"
  79
  80       assert object["to"] == ["https://www.w3.org/ns/activitystreams#Public"]
  81
  82       assert object["cc"] == [
  83                "http://mastodon.example.org/users/admin/followers",
  84                "http://localtesting.pleroma.lol/users/lain"
  85              ]
  86
  87       assert object["actor"] == "http://mastodon.example.org/users/admin"
  88       assert object["attributedTo"] == "http://mastodon.example.org/users/admin"
  89
  90       assert object["context"] ==
  91                "tag:mastodon.example.org,2018-02-12:objectId=20:objectType=Conversation"
  92
  93       assert object["sensitive"] == true
  94
  95       user = User.get_by_ap_id(object["actor"])
  96
  97       assert user.info["note_count"] == 1
  98     end
  99
 100     test "it works for incoming notices with hashtags" do
 101       data = File.read!("test/fixtures/mastodon-post-activity-hashtag.json") |> Poison.decode!()
 102
 103       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 104       assert Enum.at(data["object"]["tag"], 2) == "moo"
 105     end
 106
 107     test "it works for incoming follow requests" do
 108       user = insert(:user)
 109
 110       data =
 111         File.read!("test/fixtures/mastodon-follow-activity.json")
 112         |> Poison.decode!()
 113         |> Map.put("object", user.ap_id)
 114
 115       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 116
 117       assert data["actor"] == "http://mastodon.example.org/users/admin"
 118       assert data["type"] == "Follow"
 119       assert data["id"] == "http://mastodon.example.org/users/admin#follows/2"
 120       assert User.following?(User.get_by_ap_id(data["actor"]), user)
 121     end
 122
 123     test "it works for incoming follow requests from hubzilla" do
 124       user = insert(:user)
 125
 126       data =
 127         File.read!("test/fixtures/hubzilla-follow-activity.json")
 128         |> Poison.decode!()
 129         |> Map.put("object", user.ap_id)
 130         |> Utils.normalize_params()
 131
 132       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 133
 134       assert data["actor"] == "https://hubzilla.example.org/channel/kaniini"
 135       assert data["type"] == "Follow"
 136       assert data["id"] == "https://hubzilla.example.org/channel/kaniini#follows/2"
 137       assert User.following?(User.get_by_ap_id(data["actor"]), user)
 138     end
 139
 140     test "it works for incoming likes" do
 141       user = insert(:user)
 142       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
 143
 144       data =
 145         File.read!("test/fixtures/mastodon-like.json")
 146         |> Poison.decode!()
 147         |> Map.put("object", activity.data["object"]["id"])
 148
 149       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 150
 151       assert data["actor"] == "http://mastodon.example.org/users/admin"
 152       assert data["type"] == "Like"
 153       assert data["id"] == "http://mastodon.example.org/users/admin#likes/2"
 154       assert data["object"] == activity.data["object"]["id"]
 155     end
 156
 157     test "it returns an error for incoming unlikes wihout a like activity" do
 158       user = insert(:user)
 159       {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
 160
 161       data =
 162         File.read!("test/fixtures/mastodon-undo-like.json")
 163         |> Poison.decode!()
 164         |> Map.put("object", activity.data["object"]["id"])
 165
 166       assert Transmogrifier.handle_incoming(data) == :error
 167     end
 168
 169     test "it works for incoming unlikes with an existing like activity" do
 170       user = insert(:user)
 171       {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
 172
 173       like_data =
 174         File.read!("test/fixtures/mastodon-like.json")
 175         |> Poison.decode!()
 176         |> Map.put("object", activity.data["object"]["id"])
 177
 178       {:ok, %Activity{data: like_data, local: false}} = Transmogrifier.handle_incoming(like_data)
 179
 180       data =
 181         File.read!("test/fixtures/mastodon-undo-like.json")
 182         |> Poison.decode!()
 183         |> Map.put("object", like_data)
 184         |> Map.put("actor", like_data["actor"])
 185
 186       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 187
 188       assert data["actor"] == "http://mastodon.example.org/users/admin"
 189       assert data["type"] == "Undo"
 190       assert data["id"] == "http://mastodon.example.org/users/admin#likes/2/undo"
 191       assert data["object"]["id"] == "http://mastodon.example.org/users/admin#likes/2"
 192     end
 193
 194     test "it works for incoming announces" do
 195       data = File.read!("test/fixtures/mastodon-announce.json") |> Poison.decode!()
 196
 197       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 198
 199       assert data["actor"] == "http://mastodon.example.org/users/admin"
 200       assert data["type"] == "Announce"
 201
 202       assert data["id"] ==
 203                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 204
 205       assert data["object"] ==
 206                "http://mastodon.example.org/users/admin/statuses/99541947525187367"
 207
 208       assert Activity.get_create_activity_by_object_ap_id(data["object"])
 209     end
 210
 211     test "it works for incoming announces with an existing activity" do
 212       user = insert(:user)
 213       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 214
 215       data =
 216         File.read!("test/fixtures/mastodon-announce.json")
 217         |> Poison.decode!()
 218         |> Map.put("object", activity.data["object"]["id"])
 219
 220       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 221
 222       assert data["actor"] == "http://mastodon.example.org/users/admin"
 223       assert data["type"] == "Announce"
 224
 225       assert data["id"] ==
 226                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 227
 228       assert data["object"] == activity.data["object"]["id"]
 229
 230       assert Activity.get_create_activity_by_object_ap_id(data["object"]).id == activity.id
 231     end
 232
 233     test "it works for incoming update activities" do
 234       data = File.read!("test/fixtures/mastodon-post-activity.json") |> Poison.decode!()
 235
 236       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 237       update_data = File.read!("test/fixtures/mastodon-update.json") |> Poison.decode!()
 238
 239       object =
 240         update_data["object"]
 241         |> Map.put("actor", data["actor"])
 242         |> Map.put("id", data["actor"])
 243
 244       update_data =
 245         update_data
 246         |> Map.put("actor", data["actor"])
 247         |> Map.put("object", object)
 248
 249       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(update_data)
 250
 251       user = User.get_cached_by_ap_id(data["actor"])
 252       assert user.name == "gargle"
 253
 254       assert user.avatar["url"] == [
 255                %{
 256                  "href" =>
 257                    "https://cd.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
 258                }
 259              ]
 260
 261       assert user.info["banner"]["url"] == [
 262                %{
 263                  "href" =>
 264                    "https://cd.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
 265                }
 266              ]
 267
 268       assert user.bio == "<p>Some bio</p>"
 269     end
 270
 271     test "it works for incoming deletes" do
 272       activity = insert(:note_activity)
 273
 274       data =
 275         File.read!("test/fixtures/mastodon-delete.json")
 276         |> Poison.decode!()
 277
 278       object =
 279         data["object"]
 280         |> Map.put("id", activity.data["object"]["id"])
 281
 282       data =
 283         data
 284         |> Map.put("object", object)
 285         |> Map.put("actor", activity.data["actor"])
 286
 287       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 288
 289       refute Repo.get(Activity, activity.id)
 290     end
 291
 292     test "it works for incoming unannounces with an existing notice" do
 293       user = insert(:user)
 294       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 295
 296       announce_data =
 297         File.read!("test/fixtures/mastodon-announce.json")
 298         |> Poison.decode!()
 299         |> Map.put("object", activity.data["object"]["id"])
 300
 301       {:ok, %Activity{data: announce_data, local: false}} =
 302         Transmogrifier.handle_incoming(announce_data)
 303
 304       data =
 305         File.read!("test/fixtures/mastodon-undo-announce.json")
 306         |> Poison.decode!()
 307         |> Map.put("object", announce_data)
 308         |> Map.put("actor", announce_data["actor"])
 309
 310       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 311
 312       assert data["type"] == "Undo"
 313       assert data["object"]["type"] == "Announce"
 314       assert data["object"]["object"] == activity.data["object"]["id"]
 315
 316       assert data["object"]["id"] ==
 317                "http://mastodon.example.org/users/admin/statuses/99542391527669785/activity"
 318     end
 319
 320     test "it works for incomming unfollows with an existing follow" do
 321       user = insert(:user)
 322
 323       follow_data =
 324         File.read!("test/fixtures/mastodon-follow-activity.json")
 325         |> Poison.decode!()
 326         |> Map.put("object", user.ap_id)
 327
 328       {:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(follow_data)
 329
 330       data =
 331         File.read!("test/fixtures/mastodon-unfollow-activity.json")
 332         |> Poison.decode!()
 333         |> Map.put("object", follow_data)
 334
 335       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 336
 337       assert data["type"] == "Undo"
 338       assert data["object"]["type"] == "Follow"
 339       assert data["object"]["object"] == user.ap_id
 340       assert data["actor"] == "http://mastodon.example.org/users/admin"
 341
 342       refute User.following?(User.get_by_ap_id(data["actor"]), user)
 343     end
 344
 345     test "it works for incoming blocks" do
 346       user = insert(:user)
 347
 348       data =
 349         File.read!("test/fixtures/mastodon-block-activity.json")
 350         |> Poison.decode!()
 351         |> Map.put("object", user.ap_id)
 352
 353       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 354
 355       assert data["type"] == "Block"
 356       assert data["object"] == user.ap_id
 357       assert data["actor"] == "http://mastodon.example.org/users/admin"
 358
 359       blocker = User.get_by_ap_id(data["actor"])
 360
 361       assert User.blocks?(blocker, user)
 362     end
 363
 364     test "it works for incoming unblocks with an existing block" do
 365       user = insert(:user)
 366
 367       block_data =
 368         File.read!("test/fixtures/mastodon-block-activity.json")
 369         |> Poison.decode!()
 370         |> Map.put("object", user.ap_id)
 371
 372       {:ok, %Activity{data: _, local: false}} = Transmogrifier.handle_incoming(block_data)
 373
 374       data =
 375         File.read!("test/fixtures/mastodon-unblock-activity.json")
 376         |> Poison.decode!()
 377         |> Map.put("object", block_data)
 378
 379       {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
 380       assert data["type"] == "Undo"
 381       assert data["object"]["type"] == "Block"
 382       assert data["object"]["object"] == user.ap_id
 383       assert data["actor"] == "http://mastodon.example.org/users/admin"
 384
 385       blocker = User.get_by_ap_id(data["actor"])
 386
 387       refute User.blocks?(blocker, user)
 388     end
 389
 390     test "it works for incoming accepts which were pre-accepted" do
 391       follower = insert(:user)
 392       followed = insert(:user)
 393
 394       {:ok, follower} = User.follow(follower, followed)
 395       assert User.following?(follower, followed) == true
 396
 397       accept_data =
 398         File.read!("test/fixtures/mastodon-accept-activity.json")
 399         |> Poison.decode!()
 400         |> Map.put("actor", followed.ap_id)
 401
 402       accept_data =
 403         Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))
 404
 405       {:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(accept_data)
 406
 407       follower = Repo.get(User, follower.id)
 408
 409       assert User.following?(follower, followed) == true
 410     end
 411
 412     test "it works for incoming accepts which were orphaned" do
 413       follower = insert(:user)
 414       followed = insert(:user, %{info: %{"locked" => true}})
 415
 416       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
 417
 418       accept_data =
 419         File.read!("test/fixtures/mastodon-accept-activity.json")
 420         |> Poison.decode!()
 421         |> Map.put("actor", followed.ap_id)
 422
 423       accept_data =
 424         Map.put(accept_data, "object", Map.put(accept_data["object"], "actor", follower.ap_id))
 425
 426       {:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(accept_data)
 427
 428       follower = Repo.get(User, follower.id)
 429
 430       assert User.following?(follower, followed) == true
 431     end
 432
 433     test "it works for incoming accepts which are referenced by IRI only" do
 434       follower = insert(:user)
 435       followed = insert(:user, %{info: %{"locked" => true}})
 436
 437       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
 438
 439       accept_data =
 440         File.read!("test/fixtures/mastodon-accept-activity.json")
 441         |> Poison.decode!()
 442         |> Map.put("actor", followed.ap_id)
 443         |> Map.put("object", follow_activity.data["id"])
 444
 445       {:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(accept_data)
 446
 447       follower = Repo.get(User, follower.id)
 448
 449       assert User.following?(follower, followed) == true
 450     end
 451
 452     test "it works for incoming rejects which are orphaned" do
 453       follower = insert(:user)
 454       followed = insert(:user, %{info: %{"locked" => true}})
 455
 456       {:ok, follower} = User.follow(follower, followed)
 457       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
 458
 459       assert User.following?(follower, followed) == true
 460
 461       reject_data =
 462         File.read!("test/fixtures/mastodon-reject-activity.json")
 463         |> Poison.decode!()
 464         |> Map.put("actor", followed.ap_id)
 465
 466       reject_data =
 467         Map.put(reject_data, "object", Map.put(reject_data["object"], "actor", follower.ap_id))
 468
 469       {:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(reject_data)
 470
 471       follower = Repo.get(User, follower.id)
 472
 473       assert User.following?(follower, followed) == false
 474     end
 475
 476     test "it works for incoming rejects which are referenced by IRI only" do
 477       follower = insert(:user)
 478       followed = insert(:user, %{info: %{"locked" => true}})
 479
 480       {:ok, follower} = User.follow(follower, followed)
 481       {:ok, follow_activity} = ActivityPub.follow(follower, followed)
 482
 483       assert User.following?(follower, followed) == true
 484
 485       reject_data =
 486         File.read!("test/fixtures/mastodon-reject-activity.json")
 487         |> Poison.decode!()
 488         |> Map.put("actor", followed.ap_id)
 489         |> Map.put("object", follow_activity.data["id"])
 490
 491       {:ok, %Activity{data: _}} = Transmogrifier.handle_incoming(reject_data)
 492
 493       follower = Repo.get(User, follower.id)
 494
 495       assert User.following?(follower, followed) == false
 496     end
 497   end
 498
 499   describe "prepare outgoing" do
 500     test "it turns mentions into tags" do
 501       user = insert(:user)
 502       other_user = insert(:user)
 503
 504       {:ok, activity} =
 505         CommonAPI.post(user, %{"status" => "hey, @#{other_user.nickname}, how are ya? #2hu"})
 506
 507       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 508       object = modified["object"]
 509
 510       expected_mention = %{
 511         "href" => other_user.ap_id,
 512         "name" => "@#{other_user.nickname}",
 513         "type" => "Mention"
 514       }
 515
 516       expected_tag = %{
 517         "href" => Pleroma.Web.Endpoint.url() <> "/tags/2hu",
 518         "type" => "Hashtag",
 519         "name" => "#2hu"
 520       }
 521
 522       assert Enum.member?(object["tag"], expected_tag)
 523       assert Enum.member?(object["tag"], expected_mention)
 524     end
 525
 526     test "it adds the sensitive property" do
 527       user = insert(:user)
 528
 529       {:ok, activity} = CommonAPI.post(user, %{"status" => "#nsfw hey"})
 530       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 531
 532       assert modified["object"]["sensitive"]
 533     end
 534
 535     test "it adds the json-ld context and the conversation property" do
 536       user = insert(:user)
 537
 538       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 539       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 540
 541       assert modified["@context"] == "https://www.w3.org/ns/activitystreams"
 542       assert modified["object"]["conversation"] == modified["context"]
 543     end
 544
 545     test "it sets the 'attributedTo' property to the actor of the object if it doesn't have one" do
 546       user = insert(:user)
 547
 548       {:ok, activity} = CommonAPI.post(user, %{"status" => "hey"})
 549       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 550
 551       assert modified["object"]["actor"] == modified["object"]["attributedTo"]
 552     end
 553
 554     test "it translates ostatus IDs to external URLs" do
 555       incoming = File.read!("test/fixtures/incoming_note_activity.xml")
 556       {:ok, [referent_activity]} = OStatus.handle_incoming(incoming)
 557
 558       user = insert(:user)
 559
 560       {:ok, activity, _} = CommonAPI.favorite(referent_activity.id, user)
 561       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 562
 563       assert modified["object"] == "http://gs.example.org:4040/index.php/notice/29"
 564     end
 565
 566     test "it translates ostatus reply_to IDs to external URLs" do
 567       incoming = File.read!("test/fixtures/incoming_note_activity.xml")
 568       {:ok, [referred_activity]} = OStatus.handle_incoming(incoming)
 569
 570       user = insert(:user)
 571
 572       {:ok, activity} =
 573         CommonAPI.post(user, %{"status" => "HI!", "in_reply_to_status_id" => referred_activity.id})
 574
 575       {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
 576
 577       assert modified["object"]["inReplyTo"] == "http://gs.example.org:4040/index.php/notice/29"
 578     end
 579   end
 580
 581   describe "user upgrade" do
 582     test "it upgrades a user to activitypub" do
 583       user =
 584         insert(:user, %{
 585           nickname: "rye@niu.moe",
 586           local: false,
 587           ap_id: "https://niu.moe/users/rye",
 588           follower_address: User.ap_followers(%User{nickname: "rye@niu.moe"})
 589         })
 590
 591       user_two = insert(:user, %{following: [user.follower_address]})
 592
 593       {:ok, activity} = CommonAPI.post(user, %{"status" => "test"})
 594       {:ok, unrelated_activity} = CommonAPI.post(user_two, %{"status" => "test"})
 595       assert "http://localhost:4001/users/rye@niu.moe/followers" in activity.recipients
 596
 597       user = Repo.get(User, user.id)
 598       assert user.info["note_count"] == 1
 599
 600       {:ok, user} = Transmogrifier.upgrade_user_from_ap_id("https://niu.moe/users/rye")
 601       assert user.info["ap_enabled"]
 602       assert user.info["note_count"] == 1
 603       assert user.follower_address == "https://niu.moe/users/rye/followers"
 604
 605       # Wait for the background task
 606       :timer.sleep(1000)
 607
 608       user = Repo.get(User, user.id)
 609       assert user.info["note_count"] == 1
 610
 611       activity = Repo.get(Activity, activity.id)
 612       assert user.follower_address in activity.recipients
 613
 614       assert %{
 615                "url" => [
 616                  %{
 617                    "href" =>
 618                      "https://cdn.niu.moe/accounts/avatars/000/033/323/original/fd7f8ae0b3ffedc9.jpeg"
 619                  }
 620                ]
 621              } = user.avatar
 622
 623       assert %{
 624                "url" => [
 625                  %{
 626                    "href" =>
 627                      "https://cdn.niu.moe/accounts/headers/000/033/323/original/850b3448fa5fd477.png"
 628                  }
 629                ]
 630              } = user.info["banner"]
 631
 632       refute "..." in activity.recipients
 633
 634       unrelated_activity = Repo.get(Activity, unrelated_activity.id)
 635       refute user.follower_address in unrelated_activity.recipients
 636
 637       user_two = Repo.get(User, user_two.id)
 638       assert user.follower_address in user_two.following
 639       refute "..." in user_two.following
 640     end
 641   end
 642
 643   describe "maybe_retire_websub" do
 644     test "it deletes all websub client subscripitions with the user as topic" do
 645       subscription = %WebsubClientSubscription{topic: "https://niu.moe/users/rye.atom"}
 646       {:ok, ws} = Repo.insert(subscription)
 647
 648       subscription = %WebsubClientSubscription{topic: "https://niu.moe/users/pasty.atom"}
 649       {:ok, ws2} = Repo.insert(subscription)
 650
 651       Transmogrifier.maybe_retire_websub("https://niu.moe/users/rye")
 652
 653       refute Repo.get(WebsubClientSubscription, ws.id)
 654       assert Repo.get(WebsubClientSubscription, ws2.id)
 655     end
 656   end
 657
 658   describe "actor rewriting" do
 659     test "it fixes the actor URL property to be a proper URI" do
 660       data = %{
 661         "url" => %{"href" => "http://example.com"}
 662       }
 663
 664       rewritten = Transmogrifier.maybe_fix_user_object(data)
 665       assert rewritten["url"] == "http://example.com"
 666     end
 667   end
 668 end