defmodule AppWeb.ErrorHTMLTest do use AppWeb.ConnCase, async: true # Bring render_to_string/4 for testing custom views import Phoenix.Template test "renders 404.html" do assert render_to_string(AppWeb.ErrorHTML, "404", "html", []) == "Not Found" end test "renders 500.html" do assert render_to_string(AppWeb.ErrorHTML, "500", "html", []) == "Internal Server Error" end end