rake test
irb> require 'hypenizer'
irb> hyp = IsbnsTools::Hyphenizer.new
irb> hyp.Hyphenize("9783635266942")
=> 978-3-635-26694-2
irb> require 'faker'
irb> faker = IsbnsTools::Faker.new
irb> faker.fake_isbn()
=> 978-3-635-26694-2
irb> faker.fake_isbn(start: 9783, range: 635)
=> 978-3-635-26694-2
NOTE: Since this gem reads the official isbn XML definition, the internet connection is required in order to test and run it.