gistfile1.txt

require 'fog_factor'
require 'test/unit'

class FogFactorTest < Test::Unit::TestCase

  EPSILON = 0.01
  
  def test_syllable_count
    words = {
      'tame' => 1,
      'Adam' => 2,
      'dysentery' => 4,
      'hot' => 1,
      'what' => 1,
      'the' => 1,
      'a' => 1,
      'I' => 1,
      'thousands' => 2,
      'antidisestablishmentarianism' => 11,
      'boat' => 1,
      'friend' => 1,
      'fried' => 1,
      'international' => 5,
      'yield' => 1,
      'yoyo' => 2,
      'millions' => 2,
      'horticulture' => 4,
      'Hawaii' => 3,
      'team' => 1,
      'measures' => 2,
    }

    words.each do |word, syllable_count|
      assert(syllable_count == FogFactor.syllable_count(word), "Expected #{syllable_count} syllables in #{word}")
    end
  end

  def test_fog_factor
    sentence1 = "The 'fog factor' is a writer's yardstick to measure the acceptability of written work. It measures tautology, padded syllables, sentence length, multi-syllable words and other factors as a guide to meaningful writing. Simply put, it measures how easy and pleasant it is to read your message."
    a1 = 46
    b1 = 3
    c1 = 5
    expected_fog1 = (a1.to_f/b1 + c1.to_f/a1) * 0.4
    fog1 = FogFactor.fog_factor(sentence1)
    assert((expected_fog1 - fog1).abs < EPSILON, "Expected fog #{expected_fog1}, got fog #{fog1}")
    
    sentence2 = "See Spot run.  Run, Spot, Run!"
    #words
    a2 = 6
    #sentences
    b2 = 2
    #trisyllabic or bigger words
    c2 = 0
    expected_fog2 = (a2.to_f/b2 + c2.to_f/a2) * 0.4
    fog2 = FogFactor.fog_factor(sentence2)
    assert((expected_fog2 - fog2).abs < EPSILON, "Expected fog #{expected_fog2}, got fog #{fog2}")
  end
  
end