test_guilded_rose.py

# -*- coding: utf-8 -*-
import unittest

from gilded_rose import Item, GildedRose

examples = (("item_name", "initial_quality", "initial_sellin", "updated_quality",\
 "updated_sellin", "comment"),
            (("foo", 0, 0, 0, -1, "typical item"),
            ("foo", 10, 0, 8, -1, "typical item"),
			("Sulfuras, Hand of Ragnaros", 0, 0, 0, 0, "exceptional item"),
            ("Sulfuras, Hand of Ragnaros", 10, 0, 10, 0, "exceptional item"),
            ("Sulfuras, Hand of Ragnaros", 10, -1, 10, -1, "exceptional item"),
            ("Aged Brie", 0, 0, 2, -1, "brie item"),
            ("Backstage passes to a TAFKAL80ETC concert", 0, 0, 0, -1, "backstage pass\
item"),
            ))
@pytest.mark.parametrize(*examples)
def test_update_quality(item_name, initial_quality, initial_sellin, updated_quality,
updated_sellin, comment):
    item = Item(item_name, initial_sellin, initial_quality)
    gilded_rose = GildedRose([item])
    gilded_rose.update_quality()
    assert item.quality == updated_quality
    assert item.sell_in == updated_sellin