OpenSource/GildedRose-Refactoring-Kata
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Refactor to use List

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This commit is contained in:
Richard Xu 2022-12-22 12:00:07 -05:00
parent a32716843e
commit a1cbfa17e2
2 changed files with 84 additions and 78 deletions
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78
Java/src/main/java/com/gildedrose/GildedRose.java
View File

@ -1,65 +1,69 @@
package com.gildedrose;
import java.util.Arrays;
import java.util.List;
class GildedRose {
public static final String AGED_BRIE = "Aged Brie";
public static final String SULFURAS = "Sulfuras, Hand of Ragnaros";
public static final String BACKSTAGE_PASSES = "Backstage passes to a TAFKAL80ETC concert";
Item[] items;
final List<Item> items;
public GildedRose(Item[] items) {
this.items = items;
this.items = Arrays.asList(items);
}
public void updateQuality() {
for (int i = 0; i < items.length; i++) {
if (!items[i].name.equals(AGED_BRIE)
&& !items[i].name.equals(BACKSTAGE_PASSES)) {
if (items[i].quality > 0) {
if (!items[i].name.equals(SULFURAS)) {
items[i].quality = items[i].quality - 1;
}
items.forEach(GildedRose::handleDay);
}
private static void handleDay(Item item) {
if (!item.name.equals(AGED_BRIE)
&& !item.name.equals(BACKSTAGE_PASSES)) {
if (item.quality > 0) {
if (!item.name.equals(SULFURAS)) {
item.quality = item.quality - 1;
}
} else {
if (items[i].quality < 50) {
items[i].quality = items[i].quality + 1;
}
} else {
if (item.quality < 50) {
item.quality = item.quality + 1;
if (items[i].name.equals(BACKSTAGE_PASSES)) {
if (items[i].sellIn < 11) {
if (items[i].quality < 50) {
items[i].quality = items[i].quality + 1;
}
if (item.name.equals(BACKSTAGE_PASSES)) {
if (item.sellIn < 11) {
if (item.quality < 50) {
item.quality = item.quality + 1;
}
}
if (items[i].sellIn < 6) {
if (items[i].quality < 50) {
items[i].quality = items[i].quality + 1;
}
if (item.sellIn < 6) {
if (item.quality < 50) {
item.quality = item.quality + 1;
}
}
}
}
}
if (!items[i].name.equals(SULFURAS)) {
items[i].sellIn = items[i].sellIn - 1;
}
if (!item.name.equals(SULFURAS)) {
item.sellIn = item.sellIn - 1;
}
if (items[i].sellIn < 0) {
if (!items[i].name.equals(AGED_BRIE)) {
if (!items[i].name.equals(BACKSTAGE_PASSES)) {
if (items[i].quality > 0) {
if (!items[i].name.equals(SULFURAS)) {
items[i].quality = items[i].quality - 1;
}
if (item.sellIn < 0) {
if (!item.name.equals(AGED_BRIE)) {
if (!item.name.equals(BACKSTAGE_PASSES)) {
if (item.quality > 0) {
if (!item.name.equals(SULFURAS)) {
item.quality = item.quality - 1;
}
} else {
items[i].quality = items[i].quality - items[i].quality;
}
} else {
if (items[i].quality < 50) {
items[i].quality = items[i].quality + 1;
}
item.quality = item.quality - item.quality;
}
} else {
if (item.quality < 50) {
item.quality = item.quality + 1;
}
}
}

84
Java/src/test/java/com/gildedrose/GildedRoseTest.java
View File

@ -11,9 +11,9 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.AGED_BRIE, 2, 0) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 1);
assertEquals(app.items.get(0).quality, 1);
app.updateQuality();
assertEquals(app.items[0].quality, 2);
assertEquals(app.items.get(0).quality, 2);
}
@Test
@ -22,9 +22,9 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.SULFURAS, sellIn, SULFURAS_QUALITY) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].sellIn, sellIn);
assertEquals(app.items.get(0).sellIn, sellIn);
app.updateQuality();
assertEquals(app.items[0].sellIn, sellIn);
assertEquals(app.items.get(0).sellIn, sellIn);
}
@Test
@ -32,9 +32,9 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.SULFURAS, 10, SULFURAS_QUALITY) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, SULFURAS_QUALITY);
assertEquals(app.items.get(0).quality, SULFURAS_QUALITY);
app.updateQuality();
assertEquals(app.items[0].quality, SULFURAS_QUALITY);
assertEquals(app.items.get(0).quality, SULFURAS_QUALITY);
}
@Test
@ -42,7 +42,7 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.SULFURAS, 10, SULFURAS_QUALITY) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, SULFURAS_QUALITY);
assertEquals(app.items.get(0).quality, SULFURAS_QUALITY);
}
@Test
@ -51,9 +51,9 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.BACKSTAGE_PASSES, 10, quality) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 2);
assertEquals(app.items.get(0).quality, 2);
app.updateQuality();
assertEquals(app.items[0].quality, 4);
assertEquals(app.items.get(0).quality, 4);
}
@Test
@ -62,11 +62,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.BACKSTAGE_PASSES, 5, quality) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 3);
assertEquals(app.items.get(0).quality, 3);
app.updateQuality();
assertEquals(app.items[0].quality, 6);
assertEquals(app.items.get(0).quality, 6);
app.updateQuality();
assertEquals(app.items[0].quality, 9);
assertEquals(app.items.get(0).quality, 9);
}
@Test
@ -75,9 +75,9 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.BACKSTAGE_PASSES, 1, quality) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 13);
assertEquals(app.items.get(0).quality, 13);
app.updateQuality();
assertEquals(app.items[0].quality, 0);
assertEquals(app.items.get(0).quality, 0);
}
@Test
@ -87,11 +87,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item("generic item", 5, quality) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 0);
assertEquals(app.items.get(0).quality, 0);
app.updateQuality();
assertEquals(app.items[0].quality, 0);
assertEquals(app.items.get(0).quality, 0);
app.updateQuality();
assertEquals(app.items[0].quality, 0);
assertEquals(app.items.get(0).quality, 0);
}
@Test
@ -99,11 +99,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.AGED_BRIE, 5, 50) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 50);
assertEquals(app.items.get(0).quality, 50);
app.updateQuality();
assertEquals(app.items[0].quality, 50);
assertEquals(app.items.get(0).quality, 50);
app.updateQuality();
assertEquals(app.items[0].quality, 50);
assertEquals(app.items.get(0).quality, 50);
}
@Test
@ -111,11 +111,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.BACKSTAGE_PASSES, 5, 50) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 50);
assertEquals(app.items.get(0).quality, 50);
app.updateQuality();
assertEquals(app.items[0].quality, 50);
assertEquals(app.items.get(0).quality, 50);
app.updateQuality();
assertEquals(app.items[0].quality, 50);
assertEquals(app.items.get(0).quality, 50);
}
@Test
@ -123,11 +123,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item("generic item", 5, 5) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 4);
assertEquals(app.items.get(0).quality, 4);
app.updateQuality();
assertEquals(app.items[0].quality, 3);
assertEquals(app.items.get(0).quality, 3);
app.updateQuality();
assertEquals(app.items[0].quality, 2);
assertEquals(app.items.get(0).quality, 2);
}
@Test
@ -135,11 +135,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item("generic item", 1, 6) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].quality, 5);
assertEquals(app.items.get(0).quality, 5);
app.updateQuality();
assertEquals(app.items[0].quality, 3);
assertEquals(app.items.get(0).quality, 3);
app.updateQuality();
assertEquals(app.items[0].quality, 1);
assertEquals(app.items.get(0).quality, 1);
}
@Test
@ -147,11 +147,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.AGED_BRIE, 5, 1) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].sellIn, 4);
assertEquals(app.items.get(0).sellIn, 4);
app.updateQuality();
assertEquals(app.items[0].sellIn, 3);
assertEquals(app.items.get(0).sellIn, 3);
app.updateQuality();
assertEquals(app.items[0].sellIn, 2);
assertEquals(app.items.get(0).sellIn, 2);
}
@Test
@ -159,11 +159,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item(GildedRose.BACKSTAGE_PASSES, 5, 1) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].sellIn, 4);
assertEquals(app.items.get(0).sellIn, 4);
app.updateQuality();
assertEquals(app.items[0].sellIn, 3);
assertEquals(app.items.get(0).sellIn, 3);
app.updateQuality();
assertEquals(app.items[0].sellIn, 2);
assertEquals(app.items.get(0).sellIn, 2);
}
@Test
@ -171,11 +171,11 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item("generic item", 5, 1) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].sellIn, 4);
assertEquals(app.items.get(0).sellIn, 4);
app.updateQuality();
assertEquals(app.items[0].sellIn, 3);
assertEquals(app.items.get(0).sellIn, 3);
app.updateQuality();
assertEquals(app.items[0].sellIn, 2);
assertEquals(app.items.get(0).sellIn, 2);
}
@Test
@ -183,10 +183,12 @@ class GildedRoseTest {
Item[] items = new Item[] { new Item("generic item", 1, 1) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals(app.items[0].sellIn, 0);
assertEquals(app.items.get(0).sellIn, 0);
app.updateQuality();
assertEquals(app.items[0].sellIn, -1);
assertEquals(app.items.get(0).sellIn, -1);
app.updateQuality();
assertEquals(app.items[0].sellIn, -2);
assertEquals(app.items.get(0).sellIn, -2);
}
// todo: add test that multiple items update at once (so can pass in multiple items)
}