added tests

test/user/welcome_message_test.exs

@@ -0,0 +1,34 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.User.WelcomeMessageTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Config
+  alias Pleroma.User.WelcomeMessage
+
+  import Pleroma.Factory
+
+  setup do: clear_config([:welcome])
+
+  describe "post_message/1" do
+    test "send a direct welcome message" do
+      welcome_user = insert(:user)
+      user = insert(:user, name: "Jimm")
+
+      Config.put([:welcome, :direct_message, :enabled], true)
+      Config.put([:welcome, :direct_message, :sender_nickname], welcome_user.nickname)
+
+      Config.put(
+        [:welcome, :direct_message, :message],
+        "Hello. Welcome to Pleroma"
+      )
+
+      {:ok, %Pleroma.Activity{} = activity} = WelcomeMessage.post_message(user)
+      assert user.ap_id in activity.recipients
+      assert activity.data["directMessage"] == true
+      assert Pleroma.Object.normalize(activity).data["content"] =~ "Hello. Welcome to Pleroma"
+    end
+  end
+end