LibrarySpec_post.groovy

class LibrarySpec extends Specification {
  Library library = new Library();
  SimpleDateFormat formatter1 = new SimpleDateFormat("dd MMMMM yyyy");
  SimpleDateFormat formatter2 = new SimpleDateFormat("yyyy");
	      
  def 'Search books by publication year' () {
    given: "a book with the title 'One good book', written by 'Anonymous', published in 14 March 2013"
      addBook('One good book', 'Anonymous', '14 March 2013');

    and: "another book with the title 'Some other book', written by 'Tim Tomson', published in 23 August 2014"
      addBook('Some other book', 'Tim Tomson', '23 August 2014');

    and: "another book with the title 'How to cook a dino', written by 'Fred Flintstone', published in 01 January 2012"
      addBook('How to cook a dino', 'Fred Flintstone', '01 January 2012');

    when: "the customer searches for books published between 2013 and 2014"
      List<Book> result = library.findBooks(formatter2.parse("2013"), formatter2.parse("2014"));
	
    then: "2 books should have been found"
      result.size() == 2

    and: "Book 1 should have the title 'Some other book'"
      result.get(0).getTitle() == 'Some other book'

    and: "Book 2 should have the title 'One good book'"
      result.get(1).getTitle() == 'One good book'		
  }

  def addBook(String title, String author, String published) {
    Book book = new Book(title, author, formatter1.parse(published));
    library.addBook(book);
  }
}