WIP. Implement oembed route and handle both json/xml for "Note" type activity

test/web/oembed/oembed_test.exs

@@ -0,0 +1,23 @@
+defmodule Pleroma.Web.OEmbedTest do
+  use Pleroma.DataCase
+  alias Pleroma.Web.OEmbed
+  alias Pleroma.Web.XML
+  alias Pleroma.{Object, Repo, User, Activity}
+  import Pleroma.Factory
+  import ExUnit.CaptureLog
+
+  setup_all do
+    :ok
+  end
+
+  test 'recognizes notices in given url' do
+    url = "https://pleroma.site/notice/5"
+    assert { :activity, _ } = OEmbed.recognize_path(url)
+  end
+
+  test 'recognizes user card in given url' do
+    url = "https://pleroma.site/users/raeno"
+    assert { :user, _ } = OEmbed.recognize_path(url)
+  end
+
+end