def test_get_all_books(self, patched_book_query, patched_book_json):
mock_book_objects = [
Book(**book_data) for book_data in self.mock_books
]
patched_book_query.all.return_value = mock_book_objects
patched_book_json.return_value = {}
result = Book.get_all_books()
patched_book_query.all.assert_called_once()
self.assertEqual(len(patched_book_json.mock_calls),
len(self.mock_books))
self.assertEqual(len(self.mock_books), len(result))
def get_books():
return jsonify({'books': Book.get_all_books()})
