add tests

lib/pleroma/user.ex

@@ -1159,13 +1159,16 @@ def perform(:deactivate_async, user, status), do: deactivate(user, status)
   def deactivate(%User{} = user, status \\ true) do
     info_cng = User.Info.set_activation_status(user.info, status)
 
-    with {:ok, user} <-
+    with {:ok, friends} <- User.get_friends(user),
+         {:ok, followers} <- User.get_followers(user),
+         {:ok, user} <-
            user
            |> change()
            |> put_embed(:info, info_cng)
-           |> update_and_set_cache(),
-         {:ok, friends} <- User.get_friends(user) do
+           |> update_and_set_cache() do
+      Enum.each(followers, &invalidate_cache(&1))
       Enum.each(friends, &update_follower_count(&1))
+
       {:ok, user}
     end
   end

test/user_test.exs

@@ -5,8 +5,10 @@
 defmodule Pleroma.UserTest do
   alias Pleroma.Activity
   alias Pleroma.Builders.UserBuilder
+  alias Pleroma.Notification
   alias Pleroma.Repo
   alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.CommonAPI
 
   use Pleroma.DataCase
@@ -212,8 +214,8 @@ test "test if a user is following another user" do
   test "fetches correct profile for nickname beginning with number" do
     # Use old-style integer ID to try to reproduce the problem
     user = insert(:user, %{id: 1080})
-    userwithnumbers = insert(:user, %{nickname: "#{user.id}garbage"})
-    assert userwithnumbers == User.get_cached_by_nickname_or_id(userwithnumbers.nickname)
+    user_with_numbers = insert(:user, %{nickname: "#{user.id}garbage"})
+    assert user_with_numbers == User.get_cached_by_nickname_or_id(user_with_numbers.nickname)
   end
 
   describe "user registration" do
@@ -815,7 +817,8 @@ test "get recipients from activity" do
     assert addressed in recipients
   end
 
-  test ".deactivate can de-activate then re-activate a user" do
+  describe ".deactivate" do
+    test "can de-activate then re-activate a user" do
       user = insert(:user)
       assert false == user.info.deactivated
       {:ok, user} = User.deactivate(user)
@@ -824,6 +827,63 @@ test ".deactivate can de-activate then re-activate a user" do
       assert false == user.info.deactivated
     end
 
+    test "hide a user from followers " do
+      user = insert(:user)
+      user2 = insert(:user)
+
+      {:ok, user} = User.follow(user, user2)
+      {:ok, _user} = User.deactivate(user)
+
+      info = User.get_cached_user_info(user2)
+
+      assert info.follower_count == 0
+      assert {:ok, []} = User.get_followers(user2)
+    end
+
+    test "hide a user from friends" do
+      user = insert(:user)
+      user2 = insert(:user)
+
+      {:ok, user2} = User.follow(user2, user)
+      assert User.following_count(user2) == 1
+
+      {:ok, _user} = User.deactivate(user)
+
+      info = User.get_cached_user_info(user2)
+
+      assert info.following_count == 0
+      assert User.following_count(user2) == 0
+      assert {:ok, []} = User.get_friends(user2)
+    end
+
+    test "hide a user's statuses from timelines and notifications" do
+      user = insert(:user)
+      user2 = insert(:user)
+
+      {:ok, user2} = User.follow(user2, user)
+
+      {:ok, activity} = CommonAPI.post(user, %{"status" => "hey @#{user2.nickname}"})
+
+      [notification] = Notification.for_user(user2)
+      assert notification.activity == activity
+
+      assert [activity] == ActivityPub.fetch_public_activities(%{})
+
+      assert [activity] ==
+               ActivityPub.fetch_activities([user2.ap_id | user2.following], %{"user" => user2})
+               |> ActivityPub.contain_timeline(user2)
+
+      {:ok, _user} = User.deactivate(user)
+
+      assert [] == ActivityPub.fetch_public_activities(%{})
+      assert [] == Notification.for_user(user2)
+
+      assert [] ==
+               ActivityPub.fetch_activities([user2.ap_id | user2.following], %{"user" => user2})
+               |> ActivityPub.contain_timeline(user2)
+    end
+  end
+
   test ".delete_user_activities deletes all create activities" do
     user = insert(:user)