word_count.rb

# Count number of words in a locale file.

def word_count(hash)
  hash.values.sum do |value|
    if value.is_a?(Hash)
      word_count(value)
    else
      value.split.size
    end
  end
end

# require "yaml"
# hash = YAML.load(File.read("config/locales/en.yml"))
# puts word_count(hash)

require 'minitest/autorun'

class Tests < MiniTest::Unit::TestCase
  def test_1
    hash = {
      a: "one two"
    }

    assert_equal 2, word_count(hash)
  end

  def test_2
    hash = {
      a: "one two",
      b: {
        c: "three four",
        d: "five"
      }
    }

    assert_equal 5, word_count(hash)
  end
end