Iqbal Refactoring

python/gilded_rose.py

@@ -13,10 +13,10 @@ class BaseItemUpdater:
         self.item.sell_in -= 1
 
     def update_quality(self):
-        if self.item.quality > 0:
-            self.item.quality -= 1
-        if self.item.sell_in < 0 and self.item.quality > 0:
-            self.item.quality -= 1
+        degrade = 1
+        if self.item.sell_in < 0:
+            degrade = 2
+        self.item.quality = max(self.item.quality - degrade, 0)
 
 
 
@@ -44,7 +44,19 @@ class BackstagePassUpdater(BaseItemUpdater):
 
 class SulfurasUpdater(BaseItemUpdater):
     def update(self):
-        pass  
+        print("Sulfuras has no change")
+    def update_quality(self):
+        print("Sulfuras has no change")
+        # pass  
+    def update_sell_in(self):
+        print("Sulfuras has no change")
+
+class ConjuredItemUpdater(BaseItemUpdater):
+    def update_quality(self):
+        degrade = 2
+        if self.item.sell_in < 0:
+            degrade *= 2
+        self.item.quality = max(self.item.quality - degrade, 0)
 
 
 class ItemUpdaterFactory:
@@ -52,10 +64,12 @@ class ItemUpdaterFactory:
     def get_updater(item):
         if item.name == "Aged Brie":
             return AgedBrieUpdater(item)
-        elif item.name == "Backstage passes":
+        elif item.name == "Backstage passes to a TAFKAL80ETC concert":
             return BackstagePassUpdater(item)
-        elif item.name == "Sulfuras":
+        elif item.name == "Sulfuras, Hand of Ragnaros":
             return SulfurasUpdater(item)
+        elif item.name == "Conjured Mana Cake": 
+            return ConjuredItemUpdater(item)
         else:
             return BaseItemUpdater(item)
 

python/test_gilded_rose.py

@@ -1,16 +1,51 @@
 # -*- coding: utf-8 -*-
-import unittest
+# import unittest
 
-from gilded_rose import Item, GildedRose
+# from gilded_rose import Item, GildedRose
 
 
-class GildedRoseTest(unittest.TestCase):
-    def test_foo(self):
-        items = [Item("foo", 0, 0)]
-        gilded_rose = GildedRose(items)
-        gilded_rose.update_quality()
-        self.assertEqual("foo", items[0].name)
+# class GildedRoseTest(unittest.TestCase):
+#     def test_foo(self):
+#         items = [Item("foo", 0, 0)]
+#         gilded_rose = GildedRose(items)
+#         gilded_rose.update_quality()
+#         self.assertEqual("foo", items[0].name)
 
         
-if __name__ == '__main__':
-    unittest.main()
+# if __name__ == '__main__':
+#     unittest.main()
+
+import pytest
+from gilded_rose import GildedRose
+from items import Item
+
+
+def test_regular_item_degrades():
+    items = [Item("foo", 10, 20)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 19
+    assert items[0].sell_in == 9
+
+
+def test_aged_brie_increases():
+    items = [Item("Aged Brie", 2, 0)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 1
+    assert items[0].sell_in == 1
+
+
+def test_backstage_passes_increase():
+    items = [Item("Backstage passes", 11, 10)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 11
+
+
+def test_sulfuras_no_change():
+    items = [Item("Sulfuras", 0, 80)]
+    gilded_rose = GildedRose(items)
+    gilded_rose.update_quality()
+    assert items[0].quality == 80
+    assert items[0].sell_in == 0

python/texttest_fixture.py

@@ -17,7 +17,7 @@ if __name__ == "__main__":
              Item(name="Conjured Mana Cake", sell_in=3, quality=6),  # <-- :O
             ]
 
-    days = 2
+    days = 4
     import sys
     if len(sys.argv) > 1:
         days = int(sys.argv[1]) + 1