1 files changed, 84 insertions, 3 deletions
diff --git a/test/web/activity_pub/transmogrifier_test.exs b/test/web/activity_pub/transmogrifier_test.exs
index 4fd6c8b00..14c0f57ae 100644
--- a/test/web/activity_pub/transmogrifier_test.exs
+++ b/test/web/activity_pub/transmogrifier_test.exs
@@ -325,6 +325,87 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert object_data["cc"] == to
     end
 
+    test "it works for incoming emoji reaction undos" do
+      user = insert(:user)
+
+      {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
+      {:ok, reaction_activity} = CommonAPI.react_with_emoji(activity.id, user, "👌")
+
+      data =
+        File.read!("test/fixtures/mastodon-undo-like.json")
+        |> Poison.decode!()
+        |> Map.put("object", reaction_activity.data["id"])
+        |> Map.put("actor", user.ap_id)
+
+      {:ok, activity} = Transmogrifier.handle_incoming(data)
+
+      assert activity.actor == user.ap_id
+      assert activity.data["id"] == data["id"]
+      assert activity.data["type"] == "Undo"
+    end
+
+    test "it returns an error for incoming unlikes wihout a like activity" do
+      user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
+
+      data =
+        File.read!("test/fixtures/mastodon-undo-like.json")
+        |> Poison.decode!()
+        |> Map.put("object", activity.data["object"])
+
+      assert Transmogrifier.handle_incoming(data) == :error
+    end
+
+    test "it works for incoming unlikes with an existing like activity" do
+      user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
+
+      like_data =
+        File.read!("test/fixtures/mastodon-like.json")
+        |> Poison.decode!()
+        |> Map.put("object", activity.data["object"])
+
+      {:ok, %Activity{data: like_data, local: false}} = Transmogrifier.handle_incoming(like_data)
+
+      data =
+        File.read!("test/fixtures/mastodon-undo-like.json")
+        |> Poison.decode!()
+        |> Map.put("object", like_data)
+        |> Map.put("actor", like_data["actor"])
+
+      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+      assert data["actor"] == "http://mastodon.example.org/users/admin"
+      assert data["type"] == "Undo"
+      assert data["id"] == "http://mastodon.example.org/users/admin#likes/2/undo"
+      assert data["object"] == "http://mastodon.example.org/users/admin#likes/2"
+    end
+
+    test "it works for incoming unlikes with an existing like activity and a compact object" do
+      user = insert(:user)
+      {:ok, activity} = CommonAPI.post(user, %{"status" => "leave a like pls"})
+
+      like_data =
+        File.read!("test/fixtures/mastodon-like.json")
+        |> Poison.decode!()
+        |> Map.put("object", activity.data["object"])
+
+      {:ok, %Activity{data: like_data, local: false}} = Transmogrifier.handle_incoming(like_data)
+
+      data =
+        File.read!("test/fixtures/mastodon-undo-like.json")
+        |> Poison.decode!()
+        |> Map.put("object", like_data["id"])
+        |> Map.put("actor", like_data["actor"])
+
+      {:ok, %Activity{data: data, local: false}} = Transmogrifier.handle_incoming(data)
+
+      assert data["actor"] == "http://mastodon.example.org/users/admin"
+      assert data["type"] == "Undo"
+      assert data["id"] == "http://mastodon.example.org/users/admin#likes/2/undo"
+      assert data["object"] == "http://mastodon.example.org/users/admin#likes/2"
+    end
+
     test "it works for incoming emoji reactions" do
       user = insert(:user)
       {:ok, activity} = CommonAPI.post(user, %{"status" => "hello"})
@@ -352,14 +433,14 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
         |> Poison.decode!()
         |> Map.put("object", activity.data["object"])
 
-      assert :error = Transmogrifier.handle_incoming(data)
+      assert {:error, _} = Transmogrifier.handle_incoming(data)
 
       data =
         File.read!("test/fixtures/emoji-reaction-no-emoji.json")
         |> Poison.decode!()
         |> Map.put("object", activity.data["object"])
 
-      assert :error = Transmogrifier.handle_incoming(data)
+      assert {:error, _} = Transmogrifier.handle_incoming(data)
     end
 
     test "it works for incoming announces" do
@@ -518,7 +599,7 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
     test "it strips internal reactions" do
       user = insert(:user)
       {:ok, activity} = CommonAPI.post(user, %{"status" => "#cofe"})
-      {:ok, _, _} = CommonAPI.react_with_emoji(activity.id, user, "📢")
+      {:ok, _} = CommonAPI.react_with_emoji(activity.id, user, "📢")
 
       %{object: object} = Activity.get_by_id_with_object(activity.id)
       assert Map.has_key?(object.data, "reactions")