From 3c5926fe913287ee00a0efb93d2a8ecbddfd26c7 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Thu, 7 Mar 2019 12:20:04 +0000
Subject: [PATCH] tests: add regression test

---
 .../mrf/anti_followbot_policy_test.exs            | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/test/web/activity_pub/mrf/anti_followbot_policy_test.exs b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
index 2ea4f9d3f..37a7bfcf7 100644
--- a/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
+++ b/test/web/activity_pub/mrf/anti_followbot_policy_test.exs
@@ -54,4 +54,19 @@ test "it allows non-followbots" do
 
     {:ok, _} = AntiFollowbotPolicy.filter(message)
   end
+
+  test "it gracefully handles nil display names" do
+    actor = insert(:user, %{name: nil})
+    target = insert(:user)
+
+    message = %{
+      "@context" => "https://www.w3.org/ns/activitystreams",
+      "type" => "Follow",
+      "actor" => actor.ap_id,
+      "object" => target.ap_id,
+      "id" => "https://example.com/activities/1234"
+    }
+
+    {:ok, _} = AntiFollowbotPolicy.filter(message)
+  end
 end