OpenSource/GildedRose-Refactoring-Kata
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調整GildedRose.updateQuality()和test case

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This commit is contained in:
liaolizhen 2020-08-17 10:09:07 +08:00
parent 56c16eaa70
commit 64149da564
2 changed files with 21 additions and 85 deletions
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67
Java/src/main/java/com/gildedrose/GildedRose.java
View File

@ -9,70 +9,7 @@ class GildedRose {
public void updateQuality() {
for (Item item : items) {
updateItem(item);
item.update();
}
}
private void updateItem(Item item) {
if (item.name.equals("Sulfuras, Hand of Ragnaros")) {
return;
}
if (item.name.equals("Aged Brie")) {
updateAgedBrie(item);
} else if (item.name.equals("Backstage passes to a TAFKAL80ETC concert")) {
updateBackstagePasses(item);
} else {
updateNormal(item);
}
}
private void updateBackstagePasses(Item item) {
item.sellIn = item.sellIn - 1;
increaseQuality(item);
if (item.sellIn < 10) {
increaseQuality(item);
}
if (item.sellIn < 5) {
increaseQuality(item);
}
if (item.sellIn < 0) {
item.quality = item.quality - item.quality;
}
}
private void updateNormal(Item item) {
item.sellIn = item.sellIn - 1;
decreaseQuality(item);
if (item.sellIn < 0) {
decreaseQuality(item);
}
}
private void updateAgedBrie(Item item) {
item.sellIn = item.sellIn - 1;
increaseQuality(item);
if (item.sellIn < 0) {
increaseQuality(item);
}
}
public void decreaseQuality(Item item) {
if (item.quality > 0) {
item.quality = item.quality - 1;
}
}
public void increaseQuality(Item item) {
if (item.quality < 50) {
item.quality = item.quality + 1;
}
}
}
}

39
Java/src/test/java/com/gildedrose/GildedRoseTest.java
View File

@ -1,23 +1,22 @@
package com.gildedrose;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
class GildedRoseTest {
@Test
void foo() {
Item[] items = new Item[] { new Item("foo", 0, 0) };
Item[] items = new Item[] { new NormalItem("foo", 0, 0) };
GildedRose app = new GildedRose(items);
app.updateQuality();
assertEquals("foo", app.items[0].name);
}
// copy-paste from https://gist.github.com/adelatorrefoss/ebc658b3e0054913dced80c8fe384de0
@Test
public void quality_never_is_negative() {
Item[] items = new Item[]{new Item("foo", 0, 0)};
Item[] items = new Item[]{new NormalItem("foo", 0, 0)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -27,7 +26,7 @@ class GildedRoseTest {
@Test
public void sulfuras_could_not_be_sold() {
Item[] items = new Item[]{new Item("Sulfuras, Hand of Ragnaros", 10, 0)};
Item[] items = new Item[]{new SulfurasItem("Sulfuras, Hand of Ragnaros", 10, 0)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -37,7 +36,7 @@ class GildedRoseTest {
@Test
public void sulfuras_could_not_decrease_quality() {
Item[] items = new Item[]{new Item("Sulfuras, Hand of Ragnaros", 10, 10)};
Item[] items = new Item[]{new SulfurasItem("Sulfuras, Hand of Ragnaros", 10, 10)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -47,7 +46,7 @@ class GildedRoseTest {
@Test
public void quality_could_not_be_more_than_fifty() {
Item[] items = new Item[]{new Item("Aged Brie", 10, 50)};
Item[] items = new Item[]{new AgedBrieItem("Aged Brie", 10, 50)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -57,7 +56,7 @@ class GildedRoseTest {
@Test
public void item_with_date_passed_quality_decrease_by_twice() {
Item[] items = new Item[]{new Item("foo", -1, 40)};
Item[] items = new Item[]{new NormalItem("foo", -1, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -67,7 +66,7 @@ class GildedRoseTest {
@Test
public void aged_brie_increase_quality_when_it_gets_older() {
Item[] items = new Item[]{new Item("Aged Brie", 1, 40)};
Item[] items = new Item[]{new AgedBrieItem("Aged Brie", 1, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -77,7 +76,7 @@ class GildedRoseTest {
@Test
public void aged_brie_increase_by_two_quality_when_date_passed() {
Item[] items = new Item[]{new Item("Aged Brie", -1, 40)};
Item[] items = new Item[]{new AgedBrieItem("Aged Brie", -1, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -87,7 +86,7 @@ class GildedRoseTest {
@Test
public void aged_brie_increase_by_two_quality_when_date_passed_and_not_more_than_fifty() {
Item[] items = new Item[]{new Item("Aged Brie", -1, 50)};
Item[] items = new Item[]{new AgedBrieItem("Aged Brie", -1, 50)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -97,7 +96,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_increase_quality_by_two_when_sellin_less_than_ten() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 10, 40)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 10, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -107,7 +106,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_increase_quality_by_two_when_sellin_less_than_six() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 6, 40)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 6, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -117,7 +116,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_increase_quality_by_three_when_sellin_less_than_five() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 5, 40)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 5, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -127,7 +126,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_increase_quality_by_two_when_sellin_less_than_six_and_not_more_than_fifty() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 6, 49)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 6, 49)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -137,7 +136,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_increase_quality_by_three_when_sellin_less_than_five_and_not_more_than_fifty() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 5, 48)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 5, 48)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -147,7 +146,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_quality_drops_to_zero_after_concert() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 0, 40)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 0, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -157,7 +156,7 @@ class GildedRoseTest {
@Test
public void backstage_passes_quality_increase_quality_by_one_when_date_is_more_than_10() {
Item[] items = new Item[]{new Item("Backstage passes to a TAFKAL80ETC concert", 11, 40)};
Item[] items = new Item[]{new BackstagePassesItem("Backstage passes to a TAFKAL80ETC concert", 11, 40)};
GildedRose app = new GildedRose(items);
app.updateQuality();
@ -165,4 +164,4 @@ class GildedRoseTest {
assertEquals(41, app.items[0].quality);
}
}
}