Block Test for VotD

block-test.rb

class Votd
  attr_reader :reference, :text, :version

  def initialize
    @reference = "John 3:16"
    @text      = "For God so loved the world..."
    @version   = "NIV"
  end

  def to_html
    @custom_html ||= "<p>#{@text}</p><p>#{@reference}</p><p>#{@version}</p>"
  end

  def custom_html
    @custom_html = yield(self)
    self
  end
end

votd = Votd.new

puts "Default HTML"
puts votd.to_html

votd.custom_html do |votd|
  "<div class='custom'>#{votd.reference}: #{votd.text}</div>"
end

puts "Custom HTML"
puts votd.to_html