#!/usr/bin/env ruby
require 'minitest/autorun'
require_relative 'etl'

# Common test data version: 1.0.0 ca9ed58
class EtlTest < Minitest::Test
  def test_a_single_letter
    # skip
    old = {
      1 => ["A"]
    }
    expected = {
      'a' => 1
    }
    assert_equal expected, ETL.transform(old)
  end

  def test_single_score_with_multiple_letters
    skip
    old = {
      1 => ["A", "E", "I", "O", "U"]
    }
    expected = {
      'a' => 1,
      'e' => 1,
      'i' => 1,
      'o' => 1,
      'u' => 1
    }
    assert_equal expected, ETL.transform(old)
  end

  def test_multiple_scores_with_multiple_letters
    skip
    old = {
      1 => ["A", "E"],
      2 => ["D", "G"]
    }
    expected = {
      'a' => 1,
      'd' => 2,
      'e' => 1,
      'g' => 2
    }
    assert_equal expected, ETL.transform(old)
  end

  def test_multiple_scores_with_differing_numbers_of_letters
    skip
    old = {
      1 => ["A", "E", "I", "O", "U", "L", "N", "R", "S", "T"],
      2 => ["D", "G"],
      3 => ["B", "C", "M", "P"],
      4 => ["F", "H", "V", "W", "Y"],
      5 => ["K"],
      8 => ["J", "X"],
      10 => ["Q", "Z"]
    }
    expected = {
      'a' => 1,
      'b' => 3,
      'c' => 3,
      'd' => 2,
      'e' => 1,
      'f' => 4,
      'g' => 2,
      'h' => 4,
      'i' => 1,
      'j' => 8,
      'k' => 5,
      'l' => 1,
      'm' => 3,
      'n' => 1,
      'o' => 1,
      'p' => 3,
      'q' => 10,
      'r' => 1,
      's' => 1,
      't' => 1,
      'u' => 1,
      'v' => 4,
      'w' => 4,
      'x' => 8,
      'y' => 4,
      'z' => 10
    }
    assert_equal expected, ETL.transform(old)
  end

  # Problems in exercism evolve over time, as we find better ways to ask
  # questions.
  # The version number refers to the version of the problem you solved,
  # not your solution.
  #
  # Define a constant named VERSION inside of the top level BookKeeping
  # module, which may be placed near the end of your file.
  #
  # In your file, it will look like this:
  #
  # module BookKeeping
  #   VERSION = 1 # Where the version number matches the one in the test.
  # end
  #
  # If you are curious, read more about constants on RubyDoc:
  # http://ruby-doc.org/docs/ruby-doc-bundle/UsersGuide/rg/constants.html

  def test_bookkeeping
    skip
    assert_equal 1, BookKeeping::VERSION
  end
end