test(export): add basic test for ExportController

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

test/web/controllers/export_controller_test.exs

@@ -0,0 +1,13 @@
+# Portions of this file are derived from Pleroma:
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social>
+# SPDX-License-Identifier: AGPL-3.0-only
+# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/test/web/web_finger/web_finger_test.exs
+
+defmodule Mobilizon.Web.ExportControllerTest do
+  use Mobilizon.Web.ConnCase
+
+  test "GET /.well-known/webfinger with no query", %{conn: conn} do
+    conn = get(conn, "/exports/not_existing/whatever")
+    assert response(conn, 404) == "Export to format not_existing is not enabled on this instance"
+  end
+end