Introduce relay

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

test/tasks/relay_test.exs

@@ -0,0 +1,47 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Mix.Tasks.Mobilizon.RelayTest do
+  alias Mobilizon.Actors.{Actor, Follower}
+  alias Mobilizon.Actors
+  alias Mobilizon.Service.ActivityPub.Relay
+  use Mobilizon.DataCase
+  use ExVCR.Mock, adapter: ExVCR.Adapter.Hackney
+
+  describe "running follow" do
+    test "relay is followed" do
+      use_cassette "relay/fetch_relay_follow" do
+        target_instance = "http://localhost:8080/actor"
+
+        Mix.Tasks.Mobilizon.Relay.run(["follow", target_instance])
+
+        local_actor = Relay.get_actor()
+        assert local_actor.url =~ "/relay"
+
+        {:ok, target_actor} = Actors.get_actor_by_url(target_instance)
+        refute is_nil(target_actor.domain)
+
+        assert Actor.following?(local_actor, target_actor)
+      end
+    end
+  end
+
+  describe "running unfollow" do
+    test "relay is unfollowed" do
+      use_cassette "relay/fetch_relay_unfollow" do
+        target_instance = "http://localhost:8080/actor"
+
+        Mix.Tasks.Mobilizon.Relay.run(["follow", target_instance])
+
+        %Actor{} = local_actor = Relay.get_actor()
+        {:ok, %Actor{} = target_actor} = Actors.get_actor_by_url(target_instance)
+        assert %Follower{} = Actor.following?(local_actor, target_actor)
+
+        Mix.Tasks.Mobilizon.Relay.run(["unfollow", target_instance])
+
+        refute Actor.following?(local_actor, target_actor)
+      end
+    end
+  end
+end