defmodule ToweropsWeb.RemoteIpTest do
  use ToweropsWeb.ConnCase, async: true

  alias ToweropsWeb.RemoteIp

  test "extracts the first forwarded IP from conn headers", %{conn: conn} do
    conn =
      conn
      |> put_req_header("x-forwarded-for", "203.0.113.10, 10.0.0.1")
      |> put_req_header("x-real-ip", "198.51.100.1")

    assert RemoteIp.from_conn(conn) == "203.0.113.10"
  end

  test "formats IPv6 addresses in uppercase hex" do
    assert RemoteIp.format({8193, 3512, 0, 0, 0, 0, 0, 1}) == "2001:DB8:0:0:0:0:0:1"
  end
end