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https://github.com/emilybache/GildedRose-Refactoring-Kata.git
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101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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import unittest
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from gilded_rose import Item, GildedRose
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class GildedRoseTest(unittest.TestCase):
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# Once the sell by date has passed, Quality degrades twice as fast
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def test_quality_degrades_after_sell_by_date(self):
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items = [Item("foo", 1, 10)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(0, items[0].sell_in)
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self.assertEqual(9, items[0].quality) # Quality degraded by -1
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gilded_rose.update_quality()
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self.assertEqual(-1, items[0].sell_in)
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self.assertEqual(7, items[0].quality) # Quality degraded by -2
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# The Quality of an item is never negative
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def test_quality_never_negative(self):
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items = [Item("foo", 2, 0)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(0, items[0].quality)
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# "Aged Brie" actually increases in Quality the older it gets
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def test_aged_brie_quality_increase_with_age(self):
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items = [Item("Aged Brie", 2, 1)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(2, items[0].quality)
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# The Quality of an item is never more than 50
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def test_quality_upper_limit(self):
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items = [Item("Aged Brie", 2, 49)] # Using Aged Brie as quality increases
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(1, items[0].sell_in)
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self.assertEqual(50, items[0].quality)
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gilded_rose.update_quality()
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self.assertEqual(0, items[0].sell_in)
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self.assertEqual(50, items[0].quality)
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# "Sulfuras", being a legendary item, never has to be sold or decreases in Quality
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def test_legendary_item(self):
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items = [Item("Sulfuras, Hand of Ragnaros", 2, 80)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(2, items[0].sell_in)
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self.assertEqual(80, items[0].quality)
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def test_backstage_passes(self):
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"""
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"Backstage passes", like aged brie, increases in Quality as its SellIn value approaches;
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Quality increases by 2 when there are 10 days or less and by 3 when there are 5 days or less but
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Quality drops to 0 after the concert
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"""
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# Ten days or less - quality increases by 2
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items = [Item("Backstage passes to a TAFKAL80ETC concert", 9, 10)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(12, items[0].quality)
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# Five days or less - quality increases by 3
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items = [Item("Backstage passes to a TAFKAL80ETC concert", 3, 13)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(16, items[0].quality)
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# After the concert - quality drops to zero
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items = [Item("Backstage passes to a TAFKAL80ETC concert", 0, 10)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(0, items[0].quality)
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# "Conjured" items degrade in Quality twice as fast as normal items
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def test_conjured_degrade_twice_as_fast(self):
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items = [Item("Conjured Mana Cake", 1, 5)]
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gilded_rose = GildedRose(items)
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gilded_rose.update_quality()
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self.assertEqual(3, items[0].quality)
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gilded_rose.update_quality()
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self.assertEqual(-1, items[0].quality) # Sell in below zero, degrade -4 quality
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if __name__ == '__main__':
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unittest.main()
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