def test_conjured_degrades_twice_as_fast(self):
items = [Item("Conjured Mana Potion", 10, 0)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 0)
def test_conjured_after_due_date(self):
items = [Item("Conjured Mana Potion", 0, 20)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 16)
def test_concert_ticket_less_then_0_days(self):
items = [Item("Backstage passes to a TAFKAL80ETC concert", 0, 45)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 0)
def test_concert_ticket_at_90_quality_with_4_days(self):
items = [Item("Backstage passes to a TAFKAL80ETC concert", 4, 90)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 50)
def test_sulfuras_maintains_quality(self):
items = [Item("Sulfuras, Hand of Ragnaros", 10, 80)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 80)
def test_concert_ticket(self):
items = [Item("Backstage passes to a TAFKAL80ETC concert", 25, 30)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 31)
def test_mead_spoiled(self):
items = [Item("Mead", 0, 0)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 0)
def test_mead_degrading_after_date(self):
items = [Item("Mead", 0, 20)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 18)
def test_brie_at_25_quality(self):
items = [Item("Aged Brie", 5, 25)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
self.assertEqual(items[0].quality, 26)