Inform Roundtrip: Fixture -> Inform -> InformResponse

Setup

Mix.install([
  {:caretaker, path: "."}
])

alias Caretaker.CWMP.SOAP
require Logger

Load fixture Inform and decode

xml = File.read!("test/fixtures/tr069/inform.xml")

{:ok, %{header: %{id: id, cwmp_ns: ns}, body: %{rpc: "Inform", xml: body_xml}}} =
  SOAP.decode_envelope(xml)

{:ok, inform} = Caretaker.TR069.RPC.Inform.decode(body_xml)
Logger.info("Inform device_id=#{inspect(inform.device_id)} id=#{id} cwmp_ns=#{ns}")

Build InformResponse, mirror namespace, echo cwmp:ID

{:ok, resp_body} =
  Caretaker.TR069.RPC.InformResponse.encode(
    %Caretaker.TR069.RPC.InformResponse{max_envelopes: 1}
  )

{:ok, resp_env} = SOAP.encode_envelope(resp_body, %{id: id, cwmp_ns: ns})

tokens_ok = %{
  has_inform_response: String.contains?(resp_env, "1"),
  id_echo: String.contains?(resp_env, "#{id}"),
  ns_mirrored: String.contains?(resp_env, "xmlns:cwmp=\"#{ns}\"")
}

Logger.info("Response envelope tokens_ok=#{inspect(tokens_ok)}")
IO.iodata_to_binary(resp_env)