From cd19537f391b792ee67c728320801d5a247ceb2c Mon Sep 17 00:00:00 2001
From: Tusooa Zhu <tusooa@kazv.moe>
Date: Sat, 23 Jul 2022 17:48:39 -0400
Subject: Make EnsureRePrepended history-aware

---
 .../activity_pub/mrf/ensure_re_prepended_test.exs  | 51 +++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/pleroma/web/activity_pub/mrf/ensure_re_prepended_test.exs b/test/pleroma/web/activity_pub/mrf/ensure_re_prepended_test.exs
index bc2f09e29..859e6f1e9 100644
--- a/test/pleroma/web/activity_pub/mrf/ensure_re_prepended_test.exs
+++ b/test/pleroma/web/activity_pub/mrf/ensure_re_prepended_test.exs
@@ -7,6 +7,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrependedTest do
 
   alias Pleroma.Activity
   alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.MRF
   alias Pleroma.Web.ActivityPub.MRF.EnsureRePrepended
 
   describe "rewrites summary" do
@@ -35,10 +36,58 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrependedTest do
       assert {:ok, res} = EnsureRePrepended.filter(message)
       assert res["object"]["summary"] == "re: object-summary"
     end
+
+    test "it adds `re:` to history" do
+      message = %{
+        "type" => "Create",
+        "object" => %{
+          "summary" => "object-summary",
+          "inReplyTo" => %Activity{object: %Object{data: %{"summary" => "object-summary"}}},
+          "formerRepresentations" => %{
+            "orderedItems" => [
+              %{
+                "summary" => "object-summary",
+                "inReplyTo" => %Activity{object: %Object{data: %{"summary" => "object-summary"}}}
+              }
+            ]
+          }
+        }
+      }
+
+      assert {:ok, res} = MRF.filter_one(EnsureRePrepended, message)
+      assert res["object"]["summary"] == "re: object-summary"
+
+      assert Enum.at(res["object"]["formerRepresentations"]["orderedItems"], 0)["summary"] ==
+               "re: object-summary"
+    end
+
+    test "it accepts Updates" do
+      message = %{
+        "type" => "Update",
+        "object" => %{
+          "summary" => "object-summary",
+          "inReplyTo" => %Activity{object: %Object{data: %{"summary" => "object-summary"}}},
+          "formerRepresentations" => %{
+            "orderedItems" => [
+              %{
+                "summary" => "object-summary",
+                "inReplyTo" => %Activity{object: %Object{data: %{"summary" => "object-summary"}}}
+              }
+            ]
+          }
+        }
+      }
+
+      assert {:ok, res} = MRF.filter_one(EnsureRePrepended, message)
+      assert res["object"]["summary"] == "re: object-summary"
+
+      assert Enum.at(res["object"]["formerRepresentations"]["orderedItems"], 0)["summary"] ==
+               "re: object-summary"
+    end
   end
 
   describe "skip filter" do
-    test "it skip if type isn't 'Create'" do
+    test "it skip if type isn't 'Create' or 'Update'" do
       message = %{
         "type" => "Annotation",
         "object" => %{"summary" => "object-summary"}
-- 
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