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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicyTest do
use Pleroma.DataCase
import Pleroma.Factory
import Pleroma.Web.ActivityPub.MRF.HellthreadPolicy
alias Pleroma.Web.CommonAPI
setup do
user = insert(:user)
message = %{
"actor" => user.ap_id,
"cc" => [user.follower_address],
"type" => "Create",
"to" => [
"https://www.w3.org/ns/activitystreams#Public",
"https://instance.tld/users/user1",
"https://instance.tld/users/user2",
"https://instance.tld/users/user3"
],
"object" => %{
"type" => "Note"
}
}
[user: user, message: message]
end
setup do: clear_config(:mrf_hellthread)
test "doesn't die on chat messages" do
clear_config([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
user = insert(:user)
other_user = insert(:user)
{:ok, activity} = CommonAPI.post_chat_message(user, other_user, "moin")
assert {:ok, _} = filter(activity.data)
end
describe "reject" do
test "rejects the message if the recipient count is above reject_threshold", %{
message: message
} do
clear_config([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 2})
assert {:reject, "[HellthreadPolicy] 3 recipients is over the limit of 2"} ==
filter(message)
end
test "does not reject the message if the recipient count is below reject_threshold", %{
message: message
} do
clear_config([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
assert {:ok, ^message} = filter(message)
end
end
describe "delist" do
test "delists the message if the recipient count is above delist_threshold", %{
user: user,
message: message
} do
clear_config([:mrf_hellthread], %{delist_threshold: 2, reject_threshold: 0})
{:ok, message} = filter(message)
assert user.follower_address in message["to"]
assert "https://www.w3.org/ns/activitystreams#Public" in message["cc"]
end
test "does not delist the message if the recipient count is below delist_threshold", %{
message: message
} do
clear_config([:mrf_hellthread], %{delist_threshold: 4, reject_threshold: 0})
assert {:ok, ^message} = filter(message)
end
end
test "excludes follower collection and public URI from threshold count", %{message: message} do
clear_config([:mrf_hellthread], %{delist_threshold: 0, reject_threshold: 3})
assert {:ok, ^message} = filter(message)
end
end
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