def test_remove_quality_on_sell_by_date(self):
item = Item("Apple after the sell by date", -1 , 3)
decrease_quality(item)
self.assertEquals(1, item.quality)
def test_remove_quality_on_sell_by_date(self):
item = Item("Apple on the sell by date", 0 , 5)
decrease_quality(item)
self.assertEquals(3, item.quality)
def test_remove_quality_non_default_amount(self):
items = [Item("Almost rotten apple", 0, 10)]
decrease_quality(items[0], 5)
self.assertEquals(5, items[0].quality)
def test_remove_quality_non_default_amount(self):
items = [Item("Completely rotten apple", 0, 2)]
decrease_quality(items[0], 50)
self.assertEquals(0, items[0].quality)
def test_remove_quality_default(self):
items = [Item("Iron Shield", 10, 10)]
decrease_quality(items[0])
self.assertEquals(9, items[0].quality)