task-6-subclassing 子类修改测试

gildedRose/src/AgedBrie.js

-export class AgedBrie {
-    isAgedBrie() {
-        return 'Aged Brie';
-    }
+import { Item } from "./item";
 
-    isSulfuras() {
-        return 'Sulfuras, Hand of Ragnaros';
+export class AgedBrie extends Item{
+    constructor(sell_in, quality){
+        super(sell_in, quality);
+        this.name =  'Aged Brie';
+    };
 
-    }
-
-    isBackStage() {
-        return 'Backstage passes to a TAFKAL80ETC concert';
+    isAgedBrie() {
+        return 'Aged Brie';
     }
 }
\ No newline at end of file

gildedRose/src/AgedBrie.test.js

@@ -2,7 +2,7 @@ import { AgedBrie } from "./AgedBrie"
 
 describe('AgedBrieTest', () => {
     it('foo', () => {
-        const agedBrie = new AgedBrie();
+        const agedBrie = new AgedBrie(2, 0);
         const string = agedBrie.isAgedBrie();
         expect(string).toEqual('Aged Brie');
     })

gildedRose/src/BackstagePass.js

-export class BackstagePass {
-    isAgedBrie() {
-        return 'Aged Brie';
-    }
-    
-    isSulfuras() {
-        return 'Sulfuras, Hand of Ragnaros';
+import { Item } from "./item";
 
+export class BackstagePass extends Item{
+    constructor(sell_in, quality) {
+        super(sell_in, quality);
+        this.name = 'Backstage passes to a TAFKAL80ETC concert';
     }
     
     isBackStage() {

gildedRose/src/BackstagePass.test.js

@@ -2,7 +2,7 @@ import { BackstagePass } from "./BackstagePass";
 
 describe('backstagePassTest', () => {
     it('foo', () => {
-        const agedBrie = new BackstagePass();
+        const agedBrie = new BackstagePass(15, 20);
         const string = agedBrie.isBackStage();
         expect(string).toEqual('Backstage passes to a TAFKAL80ETC concert');
     })

gildedRose/src/Sulfuras.js

-export class Sulfuras {
-    isAgedBrie() {
-        return 'Aged Brie';
+import { Item } from "./item";
+
+export class Sulfuras extends Item{
+    constructor(sell_in, quality) {
+        super(sell_in, quality);
+        this.name = 'Sulfuras, Hand of Ragnaros';
     }
 
     isSulfuras() {
         return 'Sulfuras, Hand of Ragnaros';
 
     }
-
-    isBackStage() {
-        return 'Backstage passes to a TAFKAL80ETC concert';
-    }
 }
\ No newline at end of file

gildedRose/src/Sulfuras.test.js

@@ -2,7 +2,7 @@ import { Sulfuras } from "./Sulfuras";
 
 describe('SulfurasTest', () => {
     it('foo', () => {
-        const agedBrie = new Sulfuras();
+        const agedBrie = new Sulfuras(-1, 80);
         const string = agedBrie.isSulfuras();
         expect(string).toEqual('Sulfuras, Hand of Ragnaros');
     })

gildedRose/src/item.js

@@ -26,11 +26,11 @@ export class Item {
   }
 
   createBackStagePass(sell_in, quality) {
-    new Item('Backstage passes to a TAFKAL80ETC concert', sell_in, quality);
+    new BackStagePass('Backstage passes to a TAFKAL80ETC concert', sell_in, quality);
   }
 
   createSulfuras(sell_in, quality) {
-    new Item('Sulfuras, Hand of Ragnaros', sell_in, quality);
+    new Sulfuras(sell_in, quality);
   }
 
   createNormalItem(name, sell_in, quality) {
@@ -38,7 +38,7 @@ export class Item {
   }
 
   createAgedBrie(sell_in, quality) {
-    new Item('Aged Brie', sell_in, quality);
+    new AgedBrie(sell_in, quality);
   }
 
   _updateItem(item) {