gistfile1.ru

class ScreenerTest < ActiveSupport::TestCase
  context "a screener" do
    context "yes/no questions" do
      setup {@screener = Factory.build(:screener, :answers => [Factory(:answer)])}
      should "not allow blank answers for yes/no questions" do
        assert_equal false, @screener.valid?
      end
      should "define the error message for invalidly answered yes/no questions" do
        @screener.save
        assert_equal "All yes/no answers must be answered yes or no", 
          @screener.errors.full_messages.to_sentence
      end
      should "not give any trouble to good answers to yes/no questions" do
        assert_equal true, Factory.build(:screener, :answers => [Factory(:answer, :value => 1)]).valid?
      end
    end
  end
end

class Screener < ActiveRecord::Base
  def validate
    return unless new_record?
    if answers and answers.find_all do |answer| 
        answer.question.response_type == "yes/no" and answer.value.blank?
      end.size > 0 
      errors.add_to_base("All yes/no answers must be answered yes or no")
    end
  end
end