Add webfinger and basic feed support.

test/web/ostatus/feed_representer_test.exs

@@ -0,0 +1,39 @@
+defmodule Pleroma.Web.OStatus.FeedRepresenterTest do
+  use Pleroma.DataCase
+  import Pleroma.Factory
+  alias Pleroma.User
+  alias Pleroma.Web.OStatus.{FeedRepresenter, UserRepresenter}
+  alias Pleroma.Web.OStatus
+
+  test "returns a feed of the last 20 items of the user" do
+    note_activity = insert(:note_activity)
+    user = User.get_cached_by_ap_id(note_activity.data["actor"])
+
+    tuple = FeedRepresenter.to_simple_form(user, [note_activity], [user])
+
+    most_recent_update = note_activity.updated_at
+    |> NaiveDateTime.to_iso8601
+
+    res = :xmerl.export_simple_content(tuple, :xmerl_xml) |> IO.iodata_to_binary
+    user_xml = UserRepresenter.to_simple_form(user)
+    |> :xmerl.export_simple_content(:xmerl_xml)
+
+    expected = """
+    <feed xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+      <id>#{OStatus.feed_path(user)}</id>
+      <title>#{user.nickname}'s timeline</title>
+      <updated>#{most_recent_update}</updated>
+      <entries />
+      <link rel="hub" href="#{OStatus.pubsub_path}" />
+      <author>
+        #{user_xml}
+      </author>
+    </feed>
+    """
+    assert clean(res) == clean(expected)
+  end
+
+  defp clean(string) do
+    String.replace(string, ~r/\s/, "")
+  end
+end