def test_success(self):
cmd = SaveBookCommand(price='25.88', title='App Engine')
books = Book.query().fetch()
self.assertEqual(0, len(books))
cmd()
books = Book.query().fetch()
self.assertEqual(1, len(books))
b = books[0]
self.assertEqual(Decimal('25.88'), b.price)
self.assertEqual('App Engine', b.title)
def __init__(self):
super(ListBookCommand, self).__init__(Book.query_by_creation())
