serialize.rb

serialize.rb

class Song
  attr_accessor :title, :artist
  
  def serialize
    file_name = self.title.gsub(" ", "_").downcase
    File.open("#{file_name}.txt", "w+") do |f|
      f << "#{self.artist.name} - #{self.title}"
    end
  end
  
  def deserialize(filename)
    File.open(filename, "r") do |text|
      line = IO.readlines(text).first
      artist, song_title = line.split(" - ")
      Song.new(song_title).tap {|s| s.artist = Artist.new(artist)}
    end
  end
end
 
class Artist
  attr_accessor :name
  def initialize(artist_name)
    @name = artist_name
  end
end

describe Song do
  it "has a title" do
    song = Song.new
    song.title = "Night Moves"
    song.title.should eq("Night Moves")
  end