replace items by specific objects in tests

Java/README.md

@@ -23,12 +23,21 @@
 
 ## Technical Issues, with a balanced priority
 -[x] item names are hardcoded
--[ ] items are identified by the name in a hardcoded way
+-[x] items are identified by the name in a hardcoded way
 -[ ] nested logic
+-[x] long method
+-[ ] plain logic
+-[ ] complex operations
 -[ ] Item properties are public 
+-[x] multiple access by index
 
 ## Refactoring actions
 -[x] extract hardcoded variables
 -[x] create polymorphism for items
 -[x] move item names as item members
-
+-[x] extract methods
+-[x] extract boolean methods
+-[x] encapsulate methods
+-[ ] isolate specific logics
+-[ ] move specific logic to backstage
+-[x] replace items by specific objects in tests

Java/src/main/java/com/gildedrose/GildedRose.java

@@ -15,54 +15,54 @@ class GildedRose {
 
     public void updateQuality() {
         for (int i = 0; i < items.length; i++) {
-            if (!items[i].name.equals(Brie.BRIE)
-                    && !items[i].name.equals(Backstage.BACKSTAGE)) {
-                if (items[i].quality > 0) {
-                    if (!items[i].name.equals(Sulfuras.SULFURAS)) {
-                        items[i].quality = items[i].quality - 1;
-                    }
+
+            final Item item = items[i];
+
+            if (!item.name.equals(Brie.BRIE) && !item.name.equals(Backstage.BACKSTAGE)) {
+                if (item.quality > 0 && !item.name.equals(Sulfuras.SULFURAS)) {
+                    decreaseQualityByOne(item);
                 }
-            } else {
-                if (items[i].quality < 50) {
-                    items[i].quality = items[i].quality + 1;
-
-                    if (items[i].name.equals(Backstage.BACKSTAGE)) {
-                        if (items[i].sellIn < 11) {
-                            if (items[i].quality < 50) {
-                                items[i].quality = items[i].quality + 1;
-                            }
-                        }
-
-                        if (items[i].sellIn < 6) {
-                            if (items[i].quality < 50) {
-                                items[i].quality = items[i].quality + 1;
-                            }
-                        }
-                    }
+            }
+            else {
+                if (item.quality < 50) {
+                    increaseQuality(item);
                 }
             }
 
-            if (!items[i].name.equals(Sulfuras.SULFURAS)) {
-                items[i].sellIn = items[i].sellIn - 1;
-            }
+            updateSellIn(item);
 
-            if (items[i].sellIn < 0) {
-                if (!items[i].name.equals(Brie.BRIE)) {
-                    if (!items[i].name.equals(Backstage.BACKSTAGE)) {
-                        if (items[i].quality > 0) {
-                            if (!items[i].name.equals(Sulfuras.SULFURAS)) {
-                                items[i].quality = items[i].quality - 1;
-                            }
-                        }
-                    } else {
-                        items[i].quality = items[i].quality - items[i].quality;
+            if (item.sellIn < 0) {
+                if (item.name.equals(Brie.BRIE)) {
+                    if (item.quality < 50) {
+                        item.increaseQuality();
                     }
                 } else {
-                    if (items[i].quality < 50) {
-                        items[i].quality = items[i].quality + 1;
+                    if (!item.name.equals(Backstage.BACKSTAGE)) {
+                        if (!item.name.equals(Sulfuras.SULFURAS) && item.quality > 0) {
+                            decreaseQualityByOne(item);
+                        }
+                    } else {
+                        item.quality = 0;
                     }
                 }
             }
         }
     }
+
+    private void decreaseQualityByOne(Item item) {
+        item.decreaseQuality();
+    }
+
+    private void increaseQuality(Item item) {
+        item.increaseQuality();
+        if (item.name.equals(Backstage.BACKSTAGE)) {
+            item.increaseBackstageQuality();
+        }
+    }
+
+    private void updateSellIn(Item item) {
+        if (!item.name.equals(Sulfuras.SULFURAS)) {
+            item.sellIn = item.sellIn - 1;
+        }
+    }
 }

Java/src/main/java/com/gildedrose/item/Item.java

@@ -18,4 +18,22 @@ public class Item {
    public String toString() {
         return this.name + ", " + this.sellIn + ", " + this.quality;
     }
+
+    public void decreaseQuality() {
+        this.quality = this.quality - 1;
+    }
+
+    public void increaseQuality() {
+        this.quality = this.quality + 1;
+    }
+
+    public void increaseBackstageQuality() {
+        if (this.sellIn < 11 && this.quality < 50) {
+            this.increaseQuality();
+        }
+
+        if (this.sellIn < 6 && this.quality < 50) {
+            this.increaseQuality();
+        }
+    }
 }

Java/src/main/java/com/gildedrose/item/Sulfuras.java

@@ -7,4 +7,10 @@ public class Sulfuras extends Item {
     public Sulfuras(int sellIn, int quality) {
         super(SULFURAS, sellIn, quality);
     }
+
+    /*@Override
+    public void increaseQuality() {
+
+        super.increaseQuality();
+    }*/
 }

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

@@ -1,10 +1,22 @@
 package com.gildedrose;
 
+import com.gildedrose.item.Backstage;
+import com.gildedrose.item.Brie;
 import com.gildedrose.item.Item;
+import com.gildedrose.item.Sulfuras;
 
 public class TestHelper {
 
     static Item getItem(String name, Integer sellIn, Integer quality){
-        return new Item(name, sellIn, quality);
+        switch (name){
+            case "Backstage passes to a TAFKAL80ETC concert":
+                return new Backstage(sellIn, quality);
+            case "Aged Brie":
+                return new Brie(sellIn, quality);
+            case "Sulfuras, Hand of Ragnaros":
+                return new Sulfuras(sellIn, quality);
+            default:
+                return new Item(name, sellIn, quality);
+        }
     }
 }