require 'ostruct'
require 'test/unit'
require File.join(File.dirname(__FILE__),"..","lib","refcode.rb")

class RefcodeTest < Test::Unit::TestCase

  SECRET = "686cb0461769ebed556f56bc88c956bfdf786646ab1920f58201723c557ccbaeb57112fd53302c06475e6e19a176ba617ee284b091d375858cb259e8578c620f"
  SALT = "dcc74de5efdab0d80b5d763f8a63bef3d37c7453ee45446fbbccd26648af8ca6a112576dafbf5475f3cd7b968703cc9e0682ee45b8b622045cec287908f536e8"

  def test_encoder_against_hash
    test_hash = { :channel => 'email', :record_id => 49203, :action => 'forward' }
    assert_equal test_hash, encode_and_decode(test_hash)
  end

  def test_encoder_against_string
    test_string = "secret referral data"
    assert_equal test_string, encode_and_decode(test_string)
  end

  def test_encoder_against_int
    assert_equal 4857, encode_and_decode(4857)
  end

  def test_encoder_against_open_struct
    test_struct = OpenStruct.new({:test => 42})
    assert_equal test_struct, encode_and_decode(test_struct)
  end

  private

  def encoder
    @encoder ||= Refcode::Encoder.new do |e|
      e.secret = SECRET
      e.salt = SALT
    end
  end

  def encode_and_decode val
    encoder.decode(encoder.encode(val))
  end

end