map_list_question.rb

require 'spec_helper'
require 'extreme_startup/question_factory'
require 'extreme_startup/player'

module ExtremeStartup
  describe MultiplyElementsInListQuestion do
    let(:question) { MultiplyElementsInListQuestion.new(Player.new) }

    it "converts to a string" do
      question.as_text.should =~ /multiply by \d+ those elements: \(\d+(, \d+)*\)/i
    end

    context "when the numbers are known" do
      let(:question) { MultiplyElementsInListQuestion.new(Player.new, 2, 1, 2, 3) }

      it "converts to the right string" do
        question.as_text.should =~ /multiply by 2 those elements: \(1, 2, 3\)/i
      end

      it "identifies a correct answer" do
        question.answered_correctly?("2, 4, 6").should be_true
      end

      it "identifies an incorrect answer" do
        question.answered_correctly?("1, 2, 3").should be_false
      end
    end
  end
end