GildedRose-Refactoring-Kata/python/tests/test_gilded_rose.py

67 lines
2.4 KiB
Python

# -*- coding: utf-8 -*-
import unittest
from gilded_rose import Item, GildedRose
class GildedRoseTest(unittest.TestCase):
def test_normal_item_degrades(self):
items = [Item("foo", 10, 10)]
GildedRose(items).update_quality()
self.assertEqual(9, items[0].sell_in)
self.assertEqual(9, items[0].quality)
def test_quality_never_negative(self):
items = [Item("foo", 0, 0)]
GildedRose(items).update_quality()
self.assertEqual(0, items[0].quality)
def test_aged_brie_increases_up_to_50(self):
items = [Item("Aged Brie", 2, 49)]
GildedRose(items).update_quality()
self.assertEqual(1, items[0].sell_in)
self.assertEqual(50, items[0].quality)
def test_sulfuras_invariant(self):
items = [Item("Sulfuras, Hand of Ragnaros", 0, 80)]
GildedRose(items).update_quality()
self.assertEqual(0, items[0].sell_in)
self.assertEqual(80, items[0].quality)
def test_backstage_passes_increase_and_drop(self):
items = [Item("Backstage passes to a TAFKAL80ETC concert", 11, 10)]
GildedRose(items).update_quality() # 11->10, +1
self.assertEqual(10, items[0].sell_in)
self.assertEqual(11, items[0].quality)
items = [Item("Backstage passes to a TAFKAL80ETC concert", 10, 10)]
GildedRose(items).update_quality() # +2
self.assertEqual(9, items[0].sell_in)
self.assertEqual(12, items[0].quality)
items = [Item("Backstage passes to a TAFKAL80ETC concert", 5, 10)]
GildedRose(items).update_quality() # +3
self.assertEqual(4, items[0].sell_in)
self.assertEqual(13, items[0].quality)
items = [Item("Backstage passes to a TAFKAL80ETC concert", 0, 10)]
GildedRose(items).update_quality() # -> 0
self.assertEqual(-1, items[0].sell_in)
self.assertEqual(0, items[0].quality)
def test_conjured_items_degrade_twice_as_fast(self):
items = [Item("Conjured Mana Cake", 3, 6)]
GildedRose(items).update_quality()
self.assertEqual(2, items[0].sell_in)
self.assertEqual(4, items[0].quality)
def test_conjured_items_degrade_four_after_sell_date(self):
items = [Item("Conjured Something", 0, 6)]
GildedRose(items).update_quality()
self.assertEqual(-1, items[0].sell_in)
self.assertEqual(2, items[0].quality)
if __name__ == '__main__':
unittest.main()