From fea4d89e9f59b6fbdbd727eecde9b046e9ca46c6 Mon Sep 17 00:00:00 2001
From: Maksim <parallel588@gmail.com>
Date: Tue, 13 Aug 2019 21:12:59 +0000
Subject: [PATCH] tests for Web/ActivityPub/Relay

---
 lib/pleroma/web/activity_pub/relay.ex | 17 +++++++-
 test/web/activity_pub/relay_test.exs  | 62 ++++++++++++++++++++++++++-
 2 files changed, 76 insertions(+), 3 deletions(-)

diff --git a/lib/pleroma/web/activity_pub/relay.ex b/lib/pleroma/web/activity_pub/relay.ex
index 1ebfcdd86..5f18cc64a 100644
--- a/lib/pleroma/web/activity_pub/relay.ex
+++ b/lib/pleroma/web/activity_pub/relay.ex
@@ -14,6 +14,7 @@ def get_actor do
     |> User.get_or_create_service_actor_by_ap_id()
   end
 
+  @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
   def follow(target_instance) do
     with %User{} = local_user <- get_actor(),
          {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
@@ -21,12 +22,17 @@ def follow(target_instance) do
       Logger.info("relay: followed instance: #{target_instance}; id=#{activity.data["id"]}")
       {:ok, activity}
     else
+      {:error, _} = error ->
+        Logger.error("error: #{inspect(error)}")
+        error
+
       e ->
         Logger.error("error: #{inspect(e)}")
         {:error, e}
     end
   end
 
+  @spec unfollow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
   def unfollow(target_instance) do
     with %User{} = local_user <- get_actor(),
          {:ok, %User{} = target_user} <- User.get_or_fetch_by_ap_id(target_instance),
@@ -34,20 +40,27 @@ def unfollow(target_instance) do
       Logger.info("relay: unfollowed instance: #{target_instance}: id=#{activity.data["id"]}")
       {:ok, activity}
     else
+      {:error, _} = error ->
+        Logger.error("error: #{inspect(error)}")
+        error
+
       e ->
         Logger.error("error: #{inspect(e)}")
         {:error, e}
     end
   end
 
+  @spec publish(any()) :: {:ok, Activity.t(), Object.t()} | {:error, any()}
   def publish(%Activity{data: %{"type" => "Create"}} = activity) do
     with %User{} = user <- get_actor(),
          %Object{} = object <- Object.normalize(activity) do
       ActivityPub.announce(user, object, nil, true, false)
     else
-      e -> Logger.error("error: #{inspect(e)}")
+      e ->
+        Logger.error("error: #{inspect(e)}")
+        {:error, inspect(e)}
     end
   end
 
-  def publish(_), do: nil
+  def publish(_), do: {:error, "Not implemented"}
 end
diff --git a/test/web/activity_pub/relay_test.exs b/test/web/activity_pub/relay_test.exs
index 21a63c493..e10b808f7 100644
--- a/test/web/activity_pub/relay_test.exs
+++ b/test/web/activity_pub/relay_test.exs
@@ -5,11 +5,71 @@
 defmodule Pleroma.Web.ActivityPub.RelayTest do
   use Pleroma.DataCase
 
+  alias Pleroma.Activity
+  alias Pleroma.Object
+  alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Relay
 
+  import Pleroma.Factory
+
   test "gets an actor for the relay" do
     user = Relay.get_actor()
+    assert user.ap_id == "#{Pleroma.Web.Endpoint.url()}/relay"
+  end
 
-    assert user.ap_id =~ "/relay"
+  describe "follow/1" do
+    test "returns errors when user not found" do
+      assert Relay.follow("test-ap-id") == {:error, "Could not fetch by AP id"}
+    end
+
+    test "returns activity" do
+      user = insert(:user)
+      service_actor = Relay.get_actor()
+      assert {:ok, %Activity{} = activity} = Relay.follow(user.ap_id)
+      assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
+      assert user.ap_id in activity.recipients
+      assert activity.data["type"] == "Follow"
+      assert activity.data["actor"] == service_actor.ap_id
+      assert activity.data["object"] == user.ap_id
+    end
+  end
+
+  describe "unfollow/1" do
+    test "returns errors when user not found" do
+      assert Relay.unfollow("test-ap-id") == {:error, "Could not fetch by AP id"}
+    end
+
+    test "returns activity" do
+      user = insert(:user)
+      service_actor = Relay.get_actor()
+      ActivityPub.follow(service_actor, user)
+      assert {:ok, %Activity{} = activity} = Relay.unfollow(user.ap_id)
+      assert activity.actor == "#{Pleroma.Web.Endpoint.url()}/relay"
+      assert user.ap_id in activity.recipients
+      assert activity.data["type"] == "Undo"
+      assert activity.data["actor"] == service_actor.ap_id
+      assert activity.data["to"] == [user.ap_id]
+    end
+  end
+
+  describe "publish/1" do
+    test "returns error when activity not `Create` type" do
+      activity = insert(:like_activity)
+      assert Relay.publish(activity) == {:error, "Not implemented"}
+    end
+
+    test "returns error when activity not public" do
+      activity = insert(:direct_note_activity)
+      assert Relay.publish(activity) == {:error, false}
+    end
+
+    test "returns announce activity" do
+      service_actor = Relay.get_actor()
+      note = insert(:note_activity)
+      assert {:ok, %Activity{} = activity, %Object{} = obj} = Relay.publish(note)
+      assert activity.data["type"] == "Announce"
+      assert activity.data["actor"] == service_actor.ap_id
+      assert activity.data["object"] == obj.data["id"]
+    end
   end
 end