Add initial test case template for GildedRose class

Java/src/test/java/com/gildedrose/GildedRoseTest.java

@@ -1,17 +1,121 @@
 package com.gildedrose;
 
-import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.*;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class GildedRoseTest {
 
-    @Test
-    void foo() {
-        Item[] items = new Item[] { new Item("foo", 0, 0) };
-        GildedRose app = new GildedRose(items);
-        app.updateQuality();
-        assertEquals("fixme", app.items[0].name);
+    private Item[] items;
+    private GildedRose app;
+
+    @BeforeEach
+    public void init() {
+        items = new Item[]{
+            new Item("+5 Dexterity Vest", 10, 20),
+            new Item("Aged Brie", 2, 0),
+            new Item("Elixir of the Mongoose", 5, 7),
+            new Item("Sulfuras, Hand of Ragnaros", 0, 80),
+            new Item("Sulfuras, Hand of Ragnaros", -1, 80),
+            new Item("Backstage passes to a TAFKAL80ETC concert", 15, 20),
+            new Item("Backstage passes to a TAFKAL80ETC concert", 10, 49),
+            new Item("Backstage passes to a TAFKAL80ETC concert", 5, 49),
+            new Item("Conjured Mana Cake", 3, 6)
+        };
+        app = new GildedRose(items);
+    }
+
+    @Nested
+    class NormalTests{
+        // At the end of each day our system lowers both values (Quality and SellIn) for every item
+        @Test
+        public void testNormalItemQualityAndSellInDecrease() {
+        }
+
+        // The Quality of an item is never negative
+        @Test
+        @Disabled
+        public void testNormalItemQualityCannotGoNegative() {
+        }
+
+        // Once the sell by date has passed, Quality degrades twice as fast
+        @Test
+        @Disabled
+        public void testQualityDegradesTwiceAfterSellPassed() {
+        }
+    }
+
+
+    @Nested
+    class AgedBrieTests {
+        // The Quality of an item is never more than 50, "Aged Brie" actually increases in Quality the older it gets
+        @Test
+        @Disabled
+        public void testAgedBrieItemQualityNeverMoreThan50() {
+        }
+
+        // "Aged Brie" actually increases in Quality the older it gets
+        @Test
+        @Disabled
+        public void testAgedBrieItemQualityIncreases() {
+        }
+    }
+
+    @Nested
+    class SulfurasTests {
+        // "Sulfuras" never has to be sold or decreases in Quality
+        @Test
+        @Disabled
+        public void testSulfurasItemQualityUnchanged() {
+        }
+    }
+
+    @Nested
+    class BackstagePassesTests {
+        // The Quality of an item is never more than 50, "Backstage passes" increases in Quality
+        @Test
+        @Disabled
+        public void testBackstagePassesItemQualityNeverMoreThan50() {
+        }
+
+        // "Backstage passes" increases in Quality as its SellIn value approaches
+        @Test
+        @Disabled
+        public void testBackstagePassesItemQualityIncreases() {
+        }
+
+        // "Backstage passes" Quality increases by 2 when there are 10 days or less
+        @Test
+        @Disabled
+        public void testBackstagePassesItemQualityIncreasesWhenSellInLessThan11() {
+        }
+
+        // "Backstage passes" Quality increases by 3 when there are 5 days or less
+        @Test
+        @Disabled
+        public void testBackstagePassesItemQualityIncreasesWhenSellInLessThan6() {
+        }
+
+        // "Backstage passes" Quality drops to 0 after the concert
+        @Test
+        @Disabled
+        public void testBackstagePassesItemQualityDropsToZeroAfterConcert() {
+        }
+    }
+
+    @Nested
+    class ConjuredTests{
+        // The Quality of an item is never negative, "Conjured" items degrade in Quality
+        @Test
+        @Disabled
+        public void testConjuredItemQualityCannotGoNegative() {
+        }
+
+        // "Conjured" items degrade in Quality twice as fast as normal items
+        @Test
+        @Disabled
+        public void testConjuredItemQualityDecreasesTwiceAsFast() {
+        }
     }
 
 }