def test_prepare_new_book(self): empty_book = models.Book() result = command.prepare_book(empty_book, 'now') assert isinstance(result, models.Book) assert result.created_at == 'now'
def test_prepare_old_book(self): dated_book = models.Book(created_at='last week') result = command.prepare_book(dated_book, 'now') assert isinstance(result, models.Book) assert result.created_at == 'last week'