Finished Part 1 - Add Tests

src/test/java/com/zipcodewilmington/gildedrose/InventoryTest.java

@@ -4,9 +4,143 @@ import org.junit.Assert;
 import org.junit.Test;
 
 public class InventoryTest {
+
+    Item genericItem = new Item("Generic Item",7,25);
+    Item agedBrie = new Item("Aged Brie",7,10);
+    Item sulfuras = new Item("Sulfuras, Hand of Ragnaros", 7, 10);
+    Item backstagePasses = new Item("Backstage passes to a TAFKAL80ETC concert", 14, 10);
+    Item[] items = {genericItem, agedBrie, sulfuras, backstagePasses};
+
+    @Test
+    public void updateQuality0() {
+        Inventory inventory = new Inventory(items);
+
+        // test that quality goes down each day
+        int before = items[0].getQuality();
+        inventory.updateQuality();
+        int after = items[0].getQuality();
+
+        System.out.println(before);
+        System.out.println(after);
+
+        Assert.assertTrue(before > after);
+    }
+
     @Test
-    public void updateQuantityTest(){
-        Assert.assertEquals(1, 1);
+    public void updateQuality1() {
+        Inventory inventory = new Inventory(items);
+
+        // test that quality is never < 0
+        // make 100 "days" pass
+        for (int i = 0; i < 100; i++) {
+            inventory.updateQuality();
+        }
+        int after = items[0].getQuality();
+
+        System.out.println(after);
+
+        Assert.assertTrue(after >= 0);
     }
+
+    @Test
+    public void updateQuality2() {
+        Inventory inventory = new Inventory(items);
+
+        // aged brie test
+        int before = items[1].getQuality();
+        inventory.updateQuality();
+        int after = items[1].getQuality();
+
+        System.out.println(before);
+        System.out.println(after);
+
+        Assert.assertTrue(before < after);
+    }
+
+    @Test
+    public void updateQuality3() {
+        Inventory inventory = new Inventory(items);
+
+        // test that quality degrades 2x fast after sellIn expires
+        for (int i = 0; i < 8; i++) {
+            inventory.updateQuality();
+        }
+
+        int expectedValue = 25 - 7 - 2;
+        int actualValue = items[0].getQuality();
+
+        Assert.assertTrue(expectedValue == actualValue);
+    }
+
+    @Test
+    public void updateQuality4() {
+        Inventory inventory = new Inventory(items);
+
+        // test that quality never higher than 50 (w/ aged brie)
+        for (int i = 0; i < 100; i++) {
+            inventory.updateQuality();
+        }
+
+        //get aged brie quality
+        int after = items[1].getQuality();
+
+        Assert.assertTrue(after <= 50);
+    }
+
+    @Test
+    public void updateQuality5() {
+        Inventory inventory = new Inventory(items);
+
+        int before = items[2].getQuality();
+
+        // test that Sulfuras quality never degrades
+        for (int i = 0; i < 100; i++) {
+            inventory.updateQuality();
+        }
+
+        // call for Sulfuras quality
+        int after = items[2].getQuality();
+
+        Assert.assertTrue(before == after);
+    }
+
+    @Test
+    public void updateQuality6() {
+        Inventory inventory = new Inventory(items);
+
+        // backstage passes test 1
+        for (int i = 0; i < 5; i++) {
+            inventory.updateQuality();
+        }
+
+        int expectedValue = 10 + 1*4 + 2;
+        int actualValue = items[3].getQuality();
+
+        Assert.assertTrue(actualValue == expectedValue);
+    }
+
+    @Test
+    public void updateQuality7() {
+        Inventory inventory = new Inventory(items);
+
+        // backstage passes test 2
+        for (int i = 0; i < 10; i++) {
+            inventory.updateQuality();
+        }
+
+        int expectedValue = 10 + 1*4 + 2*5 + 3;
+        int actualValue = items[3].getQuality();
+
+        Assert.assertTrue(actualValue == expectedValue);
+    }
+
+    @Test
+    public void setNameTest() {
+        Item testItem = new Item("Generic Item",7,25);
+        testItem.setName("Health Potion");
+
+        Assert.assertTrue(testItem.getName().equals("Health Potion"));
+    }
+
 }
 

src/test/java/com/zipcodewilmington/gildedrose/ItemTest.java

@@ -0,0 +1,9 @@
+package com.zipcodewilmington.gildedrose;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class ItemTest {
+// never mind
+}