Trying to understand how Roar parses hypermedia....

Results

rcobb@rcobb-x250: ~/try_tb$ ruby  roar_examples.rb
SENT: {"title":"with links","_links":{"self":{"href":"http://junk.example.com/and/nothing/else"}}}
PARSED: #<Song title="with links">
SELF LINK: 
rcobb@rcobb-x250: ~/try_tb$ 

roar_examples.rb

require 'ostruct'
Song = Class.new(OpenStruct)

require 'roar/decorator'
require 'roar/json/hal'

class SlinkRepresenter < Roar::Decorator
  include Roar::JSON::HAL

  link :self do |opts|
    "http://junk.example.com/and/nothing/else"
  end

  property :title
end


with_self = Song.new(title: 'with links')
represented = SlinkRepresenter.new(with_self)
represented_json = represented.to_json

slink_rep = SlinkRepresenter.new(parsed_song = Song.new())

puts "SENT: #{represented_json}"
puts "PARSED: #{slink_rep.from_json(represented_json)}"

puts "SELF LINK: #{slink_rep.links[:self]}"