def test_items_quality_is_never_more_than_50():
items = [Item("Aged Brie", 0, 50),
Item("Aged Brie", 0, 49)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 50
assert items[1].quality == 50
def test_aged_brie_and_backstage_quality_increases_when_sell_in_decreases(): # line 15-16
items = [Item("Aged Brie", 10, 10),
Item("Backstage passes to a TAFKAL80ETC concert", 20, 20),
Item("Backstage passes to a TAFKAL80ETC concert", 8, 20),
Item("Backstage passes to a TAFKAL80ETC concert", 2, 20)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 11
assert items[0].sell_in == 9
assert items[1].quality == 21
assert items[1].sell_in == 19
assert items[2].quality == 22
assert items[2].sell_in == 7
assert items[3].quality == 23
assert items[3].sell_in == 1
def test_backstage_quality_zeroed_when_sell_in_below_zero():
items = [Item("Backstage passes to a TAFKAL80ETC concert", 0, 40)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 0
def test_item_quality_drops_twice_faster_when_sell_in_below_zero():
items = [Item("foo", 0, 40)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 38
def test_conjured_quality_decreases_twice_faster():
items = [Item("Conjured", 10, 10)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 8
assert items[0].sell_in == 9
def test_item(): # line 46
items = [Item("foo", 0, 0)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert ("foo" == items[0].name)
def test_sulfuras_never_sold_or_decreases_in_quality():
items = [Item("Sulfuras, Hand of Ragnaros", 10, 10)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 10
assert items[0].sell_in == 10
def test_aged_brie_quality_increases_when_sell_in_decreases():
items = [Item("Aged Brie", 10, 10)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 11
assert items[0].sell_in == 9
def test_aged_brie_value_increases_twice_faster_when_sell_in_below_zero(): # line 35-36
items = [Item("Aged Brie", 0, 8)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 10
def test_items_value_does_not_drop_below_zero(): # line 12-13
items = [Item("foo", 0, 0)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 0
def test_items_value_decreases_by_one_everyday(): # line 12-13
items = [Item("foo", 1, 0)]
gilded_rose = GildedRose(items)
gilded_rose.update_quality()
assert items[0].quality == 0