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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2019 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
   6   use Pleroma.DataCase
   7   import Pleroma.Factory
   8
   9   import Pleroma.Web.ActivityPub.MRF.HellthreadPolicy
  10
  11   setup do
  12     user = insert(:user)
  13
  14     message = %{
  15       "actor" => user.ap_id,
  16       "cc" => [user.follower_address],
  17       "type" => "Create",
  18       "to" => [
  19         "https://www.w3.org/ns/activitystreams#Public",
  20         "https://instance.tld/users/user1",
  21         "https://instance.tld/users/user2",
  22         "https://instance.tld/users/user3"
  23       ]
  24     }
  25
  26     [user: user, message: message]
  27   end
  28
  29   describe "reject" do
  30     test "rejects the message if the recipient count is above reject_threshold", %{
  31       message: message
  32     } do
  33       Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
  34
  35       {:reject, nil} = filter(message)
  36     end
  37
  38     test "does not reject the message if the recipient count is below reject_threshold", %{
  39       message: message
  40     } do
  41       Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
  42
  43       assert {:ok, ^message} = filter(message)
  44     end
  45   end
  46
  47   describe "delist" do
  48     test "delists the message if the recipient count is above delist_threshold", %{
  49       user: user,
  50       message: message
  51     } do
  52       Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
  53
  54       {:ok, message} = filter(message)
  55       assert user.follower_address in message["to"]
  56       assert "https://www.w3.org/ns/activitystreams#Public" in message["cc"]
  57     end
  58
  59     test "does not delist the message if the recipient count is below delist_threshold", %{
  60       message: message
  61     } do
  62       Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 4, reject_threshold: 0})
  63
  64       assert {:ok, ^message} = filter(message)
  65     end
  66   end
  67
  68   test "excludes follower collection and public URI from threshold count", %{message: message} do
  69     Pleroma.Config.put([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
  70
  71     assert {:ok, ^message} = filter(message)
  72   end
  73 end