serialize.rb

RSpec.configure do |config|
  # Use color in STDOUT
  config.color_enabled = true
 
  # Use color not only in STDOUT but also in pagers and files
  config.tty = true
 
  # Use the specified formatter
  config.formatter = :progress # :progress, :html, :textmate
end
 
#implement a song class and artist class to pass the specs below.
#serialize method should replace spaces in the song title with underscores
#and write to the current working directory
 
class Song
  attr_accessor :title, :artist

  def file_name
    self.title.gsub(" ", "_").downcase
  end


  def serialize
    File.open("#{file_name}.txt", "w+") do |file|
      file << "#{self.artist.name} - #{self.title}"
    end
  end

  def deserialize(file)
  end
  
end
 
class Artist
  attr_accessor :name

  def initialize(artist)
    self.name = artist
  end
  
end
 
describe Song do
  it "has a title" do
    song = Song.new
    song.title = "Night Moves"
    song.title.should eq("Night Moves")
  end
 
  it "has an artist" do
    song = Song.new
    song.title = "Night Moves"
    song.artist = Artist.new("Bob Seger")
    song.artist.name.should eq("Bob Seger")
  end
 
  it "can save a representation of itself to a file" do
    song = Song.new
    song.title = "Night Moves"
    song.artist = Artist.new("Bob Seger")
    song.serialize
    File.read("night_moves.txt").should match /Bob Seger - Night Moves/
  end
 
end