Exercises

We covered a lot of new material throughout this chapter, so to aid your understanding, I recommend doing the following exercises:

1. Create a Ruby-based web service, book-library, to store books.

The acceptance criteria are delivered in the form of the following Cucumber feature:

Scenario: Store book in the library
  Given Book "The Lord of the Rings" by "J.R.R. Tolkien" with ISBN number "0395974682"
  When I store the book in library
  Then I am able to retrieve the book by the ISBN number

Proceed as follows:

1. Write step definitions for the Cucumber test.
2. Write the web service (the simplest way is to use the Sinatra framework (http://www.sinatrarb.com/), but you can also use Ruby on Rails).
3. The book should have the following attributes: name, author, and International Standard Book Number (ISBN).
4. The web service should have the following endpoints:
   • POST /books to add a book
   • GET...