def test_backstage_passes_and_brie_go_to_quality_zero_after_sell_by(self):
self.items.append(GildedRose.create_item("Aged Brie", 0, 20))
self.items.append(GildedRose.create_item("Backstage passes to a TAFKAL80ETC concert", 0, 20))
gilded_rose.update_quality(self.items)
expected = [
{'sell_in': -1, 'quality': 0},
{'sell_in': -1, 'quality': 0},
]
for index, expectation in enumerate(expected):
item = self.items[index]
self.assertEqual(item.quality, expectation['quality'])
self.assertEqual(item.sell_in, expectation['sell_in'])
def test_quality_and_sellin_decrease_twice_as_fast_after_sell_by(self):
self.items.append(GildedRose.create_item("+5 Dexterity Vest", 0, 20))
self.items.append(GildedRose.create_item("Conjured Mana Cake", 0, 6))
gilded_rose.update_quality(self.items)
expected = [
{'sell_in': -1, 'quality': 18},
{'sell_in': -1, 'quality': 4},
]
for index, expectation in enumerate(expected):
item = self.items[index]
self.assertEqual(item.quality, expectation['quality'])
self.assertEqual(item.sell_in, expectation['sell_in'])
def test_quality_goes_up_by_three_for_improving_products_with_5_days_or_less_left(self):
self.items.append(GildedRose.create_item("Aged Brie", 4, 11))
self.items.append(GildedRose.create_item("Backstage passes to a TAFKAL80ETC concert", 5, 15))
gilded_rose.update_quality(self.items)
expected = [
{'sell_in': 3, 'quality': 14},
{'sell_in': 4, 'quality': 18},
]
for index, expectation in enumerate(expected):
item = self.items[index]
self.assertEqual(item.quality, expectation['quality'])
self.assertEqual(item.sell_in, expectation['sell_in'])
def test_quality_goes_up_for_improving_products(self):
self.items.append(GildedRose.create_item("Aged Brie", 20, 30))
self.items.append(GildedRose.create_item("Backstage passes to a TAFKAL80ETC concert", 20, 30))
gilded_rose.update_quality(self.items)
expected = [
{'sell_in': 19, 'quality': 31},
{'sell_in': 19, 'quality': 31},
]
for index, expectation in enumerate(expected):
item = self.items[index]
self.assertEqual(item.quality, expectation['quality'])
self.assertEqual(item.sell_in, expectation['sell_in'])
def test_quality_does_not_increase_past_50(self):
self.items.append(GildedRose.create_item("Aged Brie", 4, 49))
gilded_rose.update_quality(self.items)
expected = {'sell_in': 3, 'quality': 50}
item = self.items[0]
self.assertEqual(item.quality, expected['quality'])
self.assertEqual(item.sell_in, expected['sell_in'])
def test_sulfuras_the_immutable(self):
self.items.append(GildedRose.create_item("Sulfuras, Hand of Ragnaros", 0, 80))
gilded_rose.update_quality(self.items)
expected = {'sell_in': 0, 'quality': 80}
item = self.items[0]
self.assertEqual(item.quality, expected['quality'])
self.assertEqual(item.sell_in, expected['sell_in'])
def test_regular_items_decrease_by_one(self):
self.items.append(GildedRose.create_item("+5 Dexterity Vest", 10, 20))
gilded_rose.update_quality(self.items)
expected = {'sell_in': 9, 'quality': 19}
item = self.items[0]
self.assertEqual(item.quality, expected['quality'])
self.assertEqual(item.sell_in, expected['sell_in'])
def test_conjured_items_decrease_in_quality_twice_as_fast(self):
self.items.append(GildedRose.create_item("Conjured Mana Cake", 3, 6))
gilded_rose.update_quality(self.items)
expected = {'sell_in': 2, 'quality': 2}
item = self.items[0]
self.assertEqual(item.quality, expected['quality'])
self.assertEqual(item.sell_in, expected['sell_in'])
