diff --git a/test/web/common_api/common_api_utils_test.exs b/test/web/common_api/common_api_utils_test.exs
index ab4c62b35..b3a334d50 100644
--- a/test/web/common_api/common_api_utils_test.exs
+++ b/test/web/common_api/common_api_utils_test.exs
@@ -5,10 +5,15 @@
 defmodule Pleroma.Web.CommonAPI.UtilsTest do
   alias Pleroma.Builders.UserBuilder
   alias Pleroma.Object
+  alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils
   alias Pleroma.Web.Endpoint
   use Pleroma.DataCase
 
+  import Pleroma.Factory
+
+  @public_address "https://www.w3.org/ns/activitystreams#Public"
+
   test "it adds attachment links to a given text and attachment set" do
     name =
       "Sakura%20Mana%20%E2%80%93%20Turned%20on%20by%20a%20Senior%20OL%20with%20a%20Temptating%20Tight%20Skirt-s%20Full%20Hipline%20and%20Panty%20Shot-%20Beautiful%20Thick%20Thighs-%20and%20Erotic%20Ass-%20-2015-%20--%20Oppaitime%208-28-2017%206-50-33%20PM.png"
@@ -214,4 +219,132 @@ defmodule Pleroma.Web.CommonAPI.UtilsTest do
       assert Utils.date_to_asctime(nil) == expected
     end
   end
+
+  describe "get_to_and_cc" do
+    test "for public posts, not a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, nil, "public")
+
+      assert length(to) == 2
+      assert length(cc) == 1
+
+      assert @public_address in to
+      assert mentioned_user.ap_id in to
+      assert user.follower_address in cc
+    end
+
+    test "for public posts, a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      third_user = insert(:user)
+      {:ok, activity} = CommonAPI.post(third_user, %{"status" => "uguu"})
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, activity, "public")
+
+      assert length(to) == 3
+      assert length(cc) == 1
+
+      assert @public_address in to
+      assert mentioned_user.ap_id in to
+      assert third_user.ap_id in to
+      assert user.follower_address in cc
+    end
+
+    test "for unlisted posts, not a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, nil, "unlisted")
+
+      assert length(to) == 2
+      assert length(cc) == 1
+
+      assert @public_address in cc
+      assert mentioned_user.ap_id in to
+      assert user.follower_address in to
+    end
+
+    test "for unlisted posts, a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      third_user = insert(:user)
+      {:ok, activity} = CommonAPI.post(third_user, %{"status" => "uguu"})
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, activity, "unlisted")
+
+      assert length(to) == 3
+      assert length(cc) == 1
+
+      assert @public_address in cc
+      assert mentioned_user.ap_id in to
+      assert third_user.ap_id in to
+      assert user.follower_address in to
+    end
+
+    test "for private posts, not a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, nil, "private")
+
+      assert length(to) == 2
+      assert length(cc) == 0
+
+      assert mentioned_user.ap_id in to
+      assert user.follower_address in to
+    end
+
+    test "for private posts, a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      third_user = insert(:user)
+      {:ok, activity} = CommonAPI.post(third_user, %{"status" => "uguu"})
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, activity, "private")
+
+      assert length(to) == 3
+      assert length(cc) == 0
+
+      assert mentioned_user.ap_id in to
+      assert third_user.ap_id in to
+      assert user.follower_address in to
+    end
+
+    test "for direct posts, not a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, nil, "direct")
+
+      assert length(to) == 1
+      assert length(cc) == 0
+
+      assert mentioned_user.ap_id in to
+    end
+
+    test "for direct posts, a reply" do
+      user = insert(:user)
+      mentioned_user = insert(:user)
+      third_user = insert(:user)
+      {:ok, activity} = CommonAPI.post(third_user, %{"status" => "uguu"})
+      mentions = [mentioned_user.ap_id]
+
+      {to, cc} = Utils.get_to_and_cc(user, mentions, activity, "direct")
+
+      assert length(to) == 2
+      assert length(cc) == 0
+
+      assert mentioned_user.ap_id in to
+      assert third_user.ap_id in to
+    end
+  end
 end