From 3bd5d5ffdce58415e71923ad6cc60d6becd63dd1 Mon Sep 17 00:00:00 2001
From: Alvaro Gomez Traveso <agtraveso@gmail.com>
Date: Fri, 16 Dec 2022 11:42:22 +0100
Subject: [PATCH] Create class for sulfuras items

---
 .../com/gildedrose/items/SulfurasItem.java    | 21 ++++++++++++++++++
 .../gildedrose/items/SulfurasItemTest.java    | 22 +++++++++++++++++++
 2 files changed, 43 insertions(+)
 create mode 100644 Java/src/main/java/com/gildedrose/items/SulfurasItem.java
 create mode 100644 Java/src/test/java/com/gildedrose/items/SulfurasItemTest.java

diff --git a/Java/src/main/java/com/gildedrose/items/SulfurasItem.java b/Java/src/main/java/com/gildedrose/items/SulfurasItem.java
new file mode 100644
index 00000000..1791f2e4
--- /dev/null
+++ b/Java/src/main/java/com/gildedrose/items/SulfurasItem.java
@@ -0,0 +1,21 @@
+package com.gildedrose.items;
+
+import com.gildedrose.Quality;
+import com.gildedrose.SellIn;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+public class SulfurasItem extends GildedRoseItem {
+
+  static final Quality DEFAULT_QUALITY = Quality.create(80);
+
+  public SulfurasItem(SellIn sellIn) {
+    super("Sulfuras", sellIn, DEFAULT_QUALITY, Boolean.FALSE);
+  }
+
+  @Override
+  protected Quality nextQuality(Quality previous) {
+    // being a legendary item, never has to be sold or decreases in Quality
+    return previous.copy();
+  }
+}
diff --git a/Java/src/test/java/com/gildedrose/items/SulfurasItemTest.java b/Java/src/test/java/com/gildedrose/items/SulfurasItemTest.java
new file mode 100644
index 00000000..94e31053
--- /dev/null
+++ b/Java/src/test/java/com/gildedrose/items/SulfurasItemTest.java
@@ -0,0 +1,22 @@
+package com.gildedrose.items;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import com.gildedrose.Quality;
+import com.gildedrose.SellIn;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+
+class SulfurasItemTest {
+  private final SulfurasItem item = new SulfurasItem(SellIn.create(0));
+
+  @Nested
+  class nextQuality {
+    @Test
+    void should_never_update_quality() {
+      Quality nextQuality = item.nextQuality(SulfurasItem.DEFAULT_QUALITY);
+
+      assertThat(nextQuality).isEqualTo(SulfurasItem.DEFAULT_QUALITY);
+    }
+  }
+}