# -*- coding: utf-8 -*- import unittest from gilded_rose import Item, GildedRose class GildedRoseTest(unittest.TestCase): def test_normal_item_before_sell_date(self): items = [Item("Normal Item", 5, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(4, items[0].sell_in) self.assertEqual(9, items[0].quality) def test_normal_item_after_sell_date(self): items = [Item("Normal Item", 0, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(-1, items[0].sell_in) self.assertEqual(8, items[0].quality) def test_normal_item_quality_never_negative(self): items = [Item("Normal Item", 5, 0)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(4, items[0].sell_in) self.assertEqual(0, items[0].quality) # Aged Brie def test_aged_brie_before_sell_date(self): items = [Item("Aged Brie", 5, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(4, items[0].sell_in) self.assertEqual(11, items[0].quality) def test_aged_brie_after_sell_date(self): items = [Item("Aged Brie", 0, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(-1, items[0].sell_in) self.assertEqual(12, items[0].quality) def test_aged_brie_quality_never_exceeds_50(self): items = [Item("Aged Brie", 5, 50)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(4, items[0].sell_in) self.assertEqual(50, items[0].quality) # Sulfuras def test_sulfuras_never_changes(self): items = [Item("Sulfuras, Hand of Ragnaros", 5, 80)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(5, items[0].sell_in) self.assertEqual(80, items[0].quality) def test_sulfuras_after_sell_date(self): items = [Item("Sulfuras, Hand of Ragnaros", -1, 80)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(-1, items[0].sell_in) self.assertEqual(80, items[0].quality) # Backstage Passes def test_backstage_pass_more_than_10_days(self): items = [Item("Backstage passes to a TAFKAL80ETC concert", 15, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(14, items[0].sell_in) self.assertEqual(11, items[0].quality) def test_backstage_pass_10_days_or_less(self): items = [Item("Backstage passes to a TAFKAL80ETC concert", 10, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(9, items[0].sell_in) self.assertEqual(12, items[0].quality) def test_backstage_pass_5_days_or_less(self): items = [Item("Backstage passes to a TAFKAL80ETC concert", 5, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(4, items[0].sell_in) self.assertEqual(13, items[0].quality) def test_backstage_pass_after_concert(self): items = [Item("Backstage passes to a TAFKAL80ETC concert", 0, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(-1, items[0].sell_in) self.assertEqual(0, items[0].quality) # Edge Cases def test_unknown_item_type(self): items = [Item("Random Junk", 5, 10)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(4, items[0].sell_in) self.assertEqual(9, items[0].quality) def test_foo(self): items = [Item("foo", 0, 0)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual("foo", items[0].name) # Conjured Items def test_conjured_item_quality_decreases_twice_as_fast(self): items = [Item("Conjured Mana Cake", 10, 20)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(18, items[0].quality) def test_conjured_item_quality_decreases_twice_as_fast_after_sell_by(self): items = [Item("Conjured Mana Cake", 0, 20)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(16, items[0].quality) def test_conjured_item_quality_never_negative(self): items = [Item("Conjured Mana Cake", 5, 1)] gilded_rose = GildedRose(items) gilded_rose.update_quality() self.assertEqual(0, items[0].quality) # Add these test cases to enforce quality bounds def test_legendary_item_quality_enforced_on_creation(self): """Test that Sulfuras quality is automatically set to 80 if initialized with wrong value""" items = [Item("Sulfuras, Hand of Ragnaros", 5, 50)] # Incorrect quality gilded_rose = GildedRose(items) self.assertEqual(80, items[0].quality) # Should be corrected to 80 def test_normal_item_quality_clamped_on_creation(self): """Test that normal items' quality is clamped to 0-50 range during initialization""" items = [Item("Normal Item", 5, 60)] # Above max gilded_rose = GildedRose(items) self.assertEqual(50, items[0].quality) items = [Item("Normal Item", 5, -5)] # Below min gilded_rose = GildedRose(items) self.assertEqual(0, items[0].quality) def test_legendary_item_quality_unchanged_by_updates(self): """Test that Sulfuras quality remains 80 even after multiple updates""" items = [Item("Sulfuras, Hand of Ragnaros", 5, 80)] gilded_rose = GildedRose(items) for _ in range(5): # Multiple updates gilded_rose.update_quality() self.assertEqual(80, items[0].quality) self.assertEqual(5, items[0].sell_in) # Sell_in should not change def test_backstage_pass_quality_clamped_on_creation(self): """Test that backstage pass quality is clamped to 0-50 during initialization""" items = [Item("Backstage passes to a TAFKAL80ETC concert", 15, 60)] gilded_rose = GildedRose(items) self.assertEqual(50, items[0].quality) def test_conjured_item_quality_clamped_on_creation(self): """Test that conjured items' quality is clamped to 0-50 during initialization""" items = [Item("Conjured Mana Cake", 5, 60)] gilded_rose = GildedRose(items) self.assertEqual(50, items[0].quality) items = [Item("Conjured Mana Cake", 5, -10)] gilded_rose = GildedRose(items) self.assertEqual(0, items[0].quality) def test_aged_brie_quality_clamped_on_creation(self): """Test that Aged Brie quality is clamped to 0-50 during initialization""" items = [Item("Aged Brie", 5, 60)] gilded_rose = GildedRose(items) self.assertEqual(50, items[0].quality) if __name__ == '__main__': unittest.main()