robin_hood.rb

class RobinHood

  # Ask for skills: RobinHood.can_shoot_bow?
  SKILLS=[:fight_with_sword, :shoot_bow, :ride_on_horseback,
          :sneak, :survive_in_forest, :get_the_word_out,
          :speak_english]

  # Ask for personality: RobinHood.seeks_problems?
  PERSONALITY = [:seeks_problems, :gets_things_done, :has_fun,
          :loves_adrenaline, :has_style, :outlaw]

  # Ask for activities: RobinHood.does_recruit_followers?
  ACTIVITIES = [:give_to_poor, :help_others, :fight_for_freedom,
    :leak_essential_state_secrets, :recruit_followers,
    :teach_newcomers]

  class << self

    def method_missing(name)
      if name.to_s =~ /^can_/
        bname = name.to_s.sub(/^can_/,"")
        bname = bname.sub(/\?$/, "")
        return SKILLS.include?(bname.to_sym)
      elsif name.to_s =~ /^does_/
        bname = name.to_s.sub(/^does_/,"")
        bname = bname.sub(/\?$/, "")
        return ACTIVITIES.include?(bname.to_sym)
      elsif name.to_s =~ /\?$/
        bname = name.to_s.sub(/\?$/, "")
        return PERSONALITY.include?(bname.to_sym)
      end
      return false
    end

    def has_skills?
      !SKILLS.empty?
    end

    def skills
      SKILLS
    end
  end
end

require 'test/unit'
class HackerTest < Test::Unit::TestCase
  def test_hacker_attitude
    assert(RobinHood.seeks_problems?, "Hacker must love problems")
    assert(RobinHood.gets_things_done?, "No problem shoudl ever ahve to be solved twice")
    assert(RobinHood.has_fun?, "Hacker needs to have fun")
    assert(RobinHood.loves_adrenaline?, "Hacker fun must not be trivial")
    assert(RobinHood.does_fight_for_freedom?, "Hacker should be ati-authoritarian")
    assert(RobinHood.has_skills?, "Attitude is no substitude for competence")
  end

  def test_hacking_skills
    assert(RobinHood.has_skills?, "Hacker should have skills in his field")
    assert(RobinHood.skills.size > 1, "Hacker should have more than one skill")
    assert(RobinHood.can_survive_in_forest?, "Hacker should know how to use and survive w/o commercial support")
    assert(RobinHood.can_get_the_word_out?, "Hacker should influence non-hackers lives")
    assert(RobinHood.can_speak_english?, "Hacker must have functional English")
  end

  def test_status_in_hacker_culture
    assert(RobinHood.does_give_to_poor?, "Hacker should open source his work")
    assert(RobinHood.does_help_others?, "Hacker should help others in their problems")
    assert(RobinHood.does_leak_essential_state_secrets?, "Hacker should publish useful information")
    assert(RobinHood.does_recruit_followers?, "Hacker should keep the infrastructure working")
    assert(RobinHood.does_teach_newcomers?, "Hacker should serve the culture itself")
  end

  def test_hacker_nerd_connection
    assert(RobinHood.outlaw?, "Being nerd/outcast helps in being a hacker")
  end

  def test_hacker_style
    assert(RobinHood.can_fight_with_sword? || RobinHood.does_read? ||
        RobinHood.does_listen_to_music?, "Hacker should have activities for non-hacking time")

  end
end