- Increase project information in README.md

- First test refactor

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

@@ -2,16 +2,28 @@ package com.gildedrose;
 
 import org.junit.jupiter.api.Test;
 
+import java.util.stream.IntStream;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
 class GildedRoseTest {
 
     @Test
-    void foo() {
+    void dexterityVestShouldDecreaseSellInAndQualityEachUpdate() {
-        Item[] items = new Item[] { new Item("foo", 0, 0) };
+        String name = "+5 Dexterity Vest";
+        int sellIn = 10;
+        int quality = 20;
+        int days = 2;
+
+        Item[] items = new Item[]{new Item(name, sellIn, quality)};
         GildedRose app = new GildedRose(items);
-        app.updateQuality();
+        IntStream.rangeClosed(1, days).forEach(index -> {
-        assertEquals("fixme", app.items[0].name);
+            app.updateQuality();
+            assertEquals(name, app.items[0].name);
+            assertEquals(sellIn - index, app.items[0].sellIn);
+            assertEquals(quality - index, app.items[0].quality);
+        });
     }
 
+
 }