def post(self):
data = self.parser.parse_args()
if Book.query.filter(Book.isbn == data.get('isbn')).first():
return dict(message='ISBN already exists'), 409
authors = data.pop('authors', [])
categories = data.pop('categories', [])
book = Book(**data)
append_authors_to_book(book, authors)
append_categories_to_book(book, categories)
book.save()
return book.json(), 201
def test_json_representation_of_book():
"""
GIVEN a Book model
WHEN a new Book is created
THEN check the json representation of the new Book
"""
book_data = dict(
isbn='978-1-449-34284-5',
title='The Art of War',
num_of_pages=60,
publisher='East India Publishing Company',
publication_date='2018-12-17',
about='Lorem ipsum dolor sit amet.',
)
book = Book(**book_data)
book_json = book.json()
assert_that(book_json).contains_value(60, 'The Art of War')
assert_that(book_json).contains_key('id', 'isbn', 'title', 'num_of_pages',
'publisher', 'publication_date',
'about')
