add tests

ruby/gilded_rose_spec.rb

@@ -5,9 +5,110 @@ describe GildedRose do
   describe "#update_quality" do
     it "does not change the name" do
       items = [Item.new("foo", 0, 0)]
-      GildedRose.new(items).update_quality()
-      expect(items[0].name).to eq "fixme"
+      GildedRose.new(items).update_quality
+      expect(items[0].name).to eq "foo"
     end
   end
 
+  describe "#classic_item_update" do
+    it "changed sell in" do
+      items = [Item.new("foo", 1, 0)]
+      GildedRose.new(items).update_quality
+      expect(items[0].sell_in).to eq(0)
+    end
+
+    it "changed quality if sell in negative" do
+      items = [Item.new("foo", -1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(8)
+    end
+
+    it "changed quality if sell in positive" do
+      items = [Item.new("foo", 1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(9)
+    end
+  end
+
+  describe "#aged_brie_update" do
+    it "changed sell in" do
+      items = [Item.new("Aged Brie", 1, 0)]
+      GildedRose.new(items).update_quality
+      expect(items[0].sell_in).to eq(0)
+    end
+
+    it "changed quality if sell in negative" do
+      items = [Item.new("Aged Brie", -1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(12)
+    end
+
+    it "changed quality if sell in positive" do
+      items = [Item.new("Aged Brie", 1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(11)
+    end
+  end
+
+  describe "#sulfuras_hand_of_ragnaros_update" do
+    it "changed sell in" do
+      items = [Item.new("Sulfuras, Hand of Ragnaros", 1, 80)]
+      GildedRose.new(items).update_quality
+      expect(items[0].sell_in).to eq(1)
+    end
+
+    it "changed quality if sell in negative" do
+      items = [Item.new("Sulfuras, Hand of Ragnaros", -1, 80)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(80)
+    end
+
+    it "changed quality if sell in positive" do
+      items = [Item.new("Sulfuras, Hand of Ragnaros", 1, 80)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(80)
+    end
+  end
+
+  describe "#backstage_passes_to_a_tafkal80etc_concert_update" do
+    it "changed sell in" do
+      items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].sell_in).to eq(0)
+    end
+
+    it "changed quality if sell in < 6" do
+      items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 5, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(13)
+    end
+
+    it "changed quality if sell in < 11" do
+      items = [Item.new("Backstage passes to a TAFKAL80ETC concert", 10, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(12)
+    end
+  end
+
+  describe "#conjured_mana_cake_update" do
+    it "changed sell in" do
+      items = [Item.new("Conjured Mana Cake", 1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].sell_in).to eq(0)
+    end
+
+    it "changed quality if sell in negative" do
+      items = [Item.new("Conjured Mana Cake", -1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(6)
+    end
+
+    it "changed quality if sell in positive" do
+      items = [Item.new("Conjured Mana Cake", 1, 10)]
+      GildedRose.new(items).update_quality
+      expect(items[0].quality).to eq(8)
+    end
+  end
+
+
 end