Sample test code for python using approvals with all combinations to cover the Gilded Rose functionality

test_gilded_rose.py

# -*- coding: utf-8 -*-
import unittest
from approvaltests import combination_approvals

from gilded_rose import Item, GildedRose


class GildedRoseTest(unittest.TestCase):
    def test_update_quality(self):
        combination_approvals.verify_all_combinations(
            do_update_quality,
            [
                ["foo", "Aged Brie", "Backstage passes to a TAFKAL80ETC concert", "Sulfuras, Hand of Ragnaros"],
                [-1, 0, 5, 6, 10, 11], # sell_in
                [0, 1, 2, 49, 50] # quality
            ]
        )


def do_update_quality(name, sell_in, quality):
    items = [Item(name, sell_in, quality)]
    gilded_rose = GildedRose(items)
    gilded_rose.update_quality()
    return item_printer(items[0])


def item_printer(item):
    return f"{item.name} sellIn: {item.sell_in} quality: {item.quality}"


if __name__ == '__main__':
    unittest.main()