Over-engineered fizzbuzz

fizzbuzz.rb

# over-engineered version

module FizzBuzzer
  def self.evenly_divisible_by?(number, by_number)
    (number % by_number) == 0
  end

  class Fizz
    def self.satisfied_by?(number)
      FizzBuzzer.evenly_divisible_by?(number, 3)
    end
    def self.to_s
      "fizz"
    end
  end

  class Buzz
    def self.satisfied_by?(number)
      FizzBuzzer.evenly_divisible_by?(number, 5)
    end
    def self.to_s
      "buzz"
    end
  end

  class FizzBuzz
    def self.satisfied_by?(number)
      FizzBuzzer.evenly_divisible_by?(number, 15)
    end
    def self.to_s
      "fizzbuzz"
    end
  end

  def self.translate(number)
    [FizzBuzz, Fizz, Buzz].each do |klass|
      return klass if klass.satisfied_by?(number)
    end

    return nil
  end

  def self.print(number)
    if (translation = translate(number))
      puts "#{number}: #{translation}"
    end
  end
end

TEST_RANGE = 1..100
TEST_RANGE.each { |i| FizzBuzzer.print(i) }

# what I'd really do:

def fizzbuzz(number)
  case 0
  when (number % 15)
    puts "fizzbuzz"
  when (number % 5)
    puts "buzz"
  when (number % 3)
    puts "fizz"
  end
end

TEST_RANGE.each { |i| fizzbuzz(i) }