Tests and code under test in the same file

gistfile1.md

Tests and code under test in the same file

The test will only run when run interactively (i.e. ruby ).

class Word
  def length
    10
  end
end

if __FILE__ == $0
  require 'minitest/spec'
  require 'minitest/autorun'

  describe Word do
    it "should be a certain size" do
      word = Word.new
      word.length.must_equal 10
    end
  end
end