What's the best way to unit test protected & private methods in Ruby?

Question

What\'s the best way to unit test protected and private methods in Ruby, using the standard Ruby Test::Unit framework?

I\'m sure somebody will pipe up a

Answer 1

One way I've done it in the past is:

class foo
  def public_method
    private_method
  end

private unless 'test' == Rails.env

  def private_method
    'private'
  end
end