require File.expand_path(File.dirname(__FILE__) + '/neo') # Implement a DiceSet Class here: # # class DiceSet # code ... # end class AboutDiceProject < Neo::Koan def test_can_create_a_dice_set dice = DiceSet.new assert_not_nil dice end def test_rolling_the_dice_returns_a_set_of_integers_between_1_and_6 dice = DiceSet.new dice.roll(5) assert dice.values.is_a?(Array), "should be an array" assert_equal 5, dice.values.size dice.values.each do |value| assert value >= 1 && value <= 6, "value #{value} must be between 1 and 6" end end def test_dice_values_do_not_change_unless_explicitly_rolled dice = DiceSet.new dice.roll(5) first_time = dice.values second_time = dice.values assert_equal first_time, second_time end def test_dice_values_should_change_between_rolls dice = DiceSet.new dice.roll(5) first_time = dice.values dice.roll(5) second_time = dice.values assert_not_equal first_time, second_time, "Two rolls should not be equal" # THINK ABOUT IT: # # If the rolls are random, then it is possible (although not # likely) that two consecutive rolls are equal. What would be a # better way to test this? end def test_you_can_roll_different_numbers_of_dice dice = DiceSet.new dice.roll(3) assert_equal 3, dice.values.size dice.roll(1) assert_equal 1, dice.values.size end end