Discussion on: Daily Challenge #22 - Simple Pig Latin

require "minitest/autorun"

class PigLatinTranslator
  LATINATOR = -> (word) { word =~ /\w/ ? "#{word[1..-1]}#{word[0]}ay" : word }

  def self.translate sentence
    sentence.split(' ').map(&LATINATOR).join(' ')
  end
end

class PigLatinTranslatorTest < MiniTest::Test
  def test_sentence_without_punctuation
    translated_sentence = PigLatinTranslator.translate("Pig latin is cool")

    assert_equal "igPay atinlay siay oolcay", translated_sentence
  end

  def test_sentence_with_punctuation
    translated_sentence = PigLatinTranslator.translate("Hello world !")

    assert_equal "elloHay orldway !", translated_sentence
  end
end