defmodule SnmpKit.SnmpLib.MIB.ParserTest do
  use ExUnit.Case, async: true

  alias SnmpKit.SnmpLib.MIB.Parser

  @tag :yecc_required
  test "parser has known bug with index 10 (newline character)" do
    mib_path = Path.join(:code.priv_dir(:towerops), "mibs/ubnt/UBNT-MIB")
    {:ok, content} = File.read(mib_path)
    {:ok, parsed} = Parser.parse(content)

    definitions = Map.get(parsed, :definitions, [])

    # ubntAFLTU is defined as { ubntMIB 10 } in the MIB file
    # But the parser returns sub_index: nil because 10 is the newline character
    ubnt_afltu = Enum.find(definitions, &(Map.get(&1, :name) == "ubntAFLTU"))
    assert ubnt_afltu
    assert Map.get(ubnt_afltu, :parent) == "ubntMIB"
    assert Map.get(ubnt_afltu, :sub_index) == nil, "Known parser bug: index 10 not extracted"
  end
end