Add test to WebFinger controller

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

lib/service/web_finger/web_finger.ex

@@ -33,29 +33,32 @@ defmodule Mobilizon.Service.WebFinger do
     regex = ~r/(acct:)?(?<name>\w+)@#{host}/
 
     with %{"name" => name} <- Regex.named_captures(regex, resource) do
-      user = Actors.get_local_actor_by_name(name)
-      {:ok, represent_user(user, "JSON")}
+      actor = Actors.get_local_actor_by_name(name)
+      {:ok, represent_actor(actor, "JSON")}
     else
       _e ->
-        with user when not is_nil(user) <- Actors.get_actor_by_url!(resource) do
-          {:ok, represent_user(user, "JSON")}
+        with actor when not is_nil(actor) <- Actors.get_actor_by_url!(resource) do
+          {:ok, represent_actor(actor, "JSON")}
         else
           _e ->
-            {:error, "Couldn't find user"}
+            {:error, "Couldn't find actor"}
         end
     end
   end
 
-  def represent_user(user, "JSON") do
+  @spec represent_actor(Actor.t()) :: struct()
+  def represent_actor(actor), do: represent_actor(actor, "JSON")
+
+  def represent_actor(actor, "JSON") do
     %{
-      "subject" => "acct:#{user.preferred_username}@#{MobilizonWeb.Endpoint.host()}",
-      "aliases" => [user.url],
+      "subject" => "acct:#{actor.preferred_username}@#{MobilizonWeb.Endpoint.host()}",
+      "aliases" => [actor.url],
       "links" => [
-        %{"rel" => "self", "type" => "application/activity+json", "href" => user.url},
+        %{"rel" => "self", "type" => "application/activity+json", "href" => actor.url},
         %{
           "rel" => "https://webfinger.net/rel/profile-page/",
           "type" => "text/html",
-          "href" => user.url
+          "href" => actor.url
         }
       ]
     }

test/mobilizon_web/controllers/webfinger_controller_test.exs

@@ -0,0 +1,28 @@
+defmodule MobilizonWeb.WebFingerTest do
+  use MobilizonWeb.ConnCase
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Service.WebFinger
+  import Mobilizon.Factory
+
+  test "GET /.well-known/host-meta", %{conn: conn} do
+    conn = get(conn, "/.well-known/host-meta")
+
+    assert response(conn, 200) ==
+             "<?xml version=\"1.0\" encoding=\"UTF-8\"?><XRD xmlns=\"http://docs.oasis-open.org/ns/xri/xrd-1.0\"><Link rel=\"lrdd\" template=\"#{
+               MobilizonWeb.Endpoint.url()
+             }/.well-known/webfinger?resource={uri}\" type=\"application/xrd+xml\" /></XRD>"
+
+    assert {"content-type", "application/xrd+xml; charset=utf-8"} in conn.resp_headers
+  end
+
+  test "GET /.well-known/webfinger with local actor", %{conn: conn} do
+    %Actor{preferred_username: username} = actor = insert(:actor)
+    conn = get(conn, "/.well-known/webfinger?resource=acct:#{username}@localhost:4001")
+    assert json_response(conn, 200) == WebFinger.represent_actor(actor)
+  end
+
+  test "GET /.well-known/webfinger with no query", %{conn: conn} do
+    conn = get(conn, "/.well-known/webfinger")
+    assert response(conn, 400) == "No query provided"
+  end
+end