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Renamed LegacyBehavior to DefaultBehavior and refactored it's logic

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This commit is contained in:
Arno Chauveau 2025-07-24 15:52:53 +02:00
parent 09e9ec6e17
commit 3fcea88b62
5 changed files with 24 additions and 29 deletions
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4
TypeScript/app/update-behaviors/behavior-resolver.spec.ts
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@ -1,7 +1,7 @@
import { Item } from "@app/item";
import { getUpdateBehaviorFor } from "./behavior-resolver";
import { AgedBrieBehavior } from "./implementations/aged-brie/aged-brie-behavior";
import { LegacyBehavior } from "./implementations/legacy-behavior";
import { DefaultBehavior } from "./implementations/default/default-behavior";
import { BackstagePassBehavior } from "./implementations/backstage-pass/backstage-pass-behavior";
import { LegendaryItemBehavior } from "./implementations/legendary-item/legendary-item-behavior";
@ -29,6 +29,6 @@ describe("Behavior resolver", () => {
it("should correctly resolve the rest to Legacy behavior", () => {
expect(
getUpdateBehaviorFor(new Item("some other item", 0, 0))
).toBeInstanceOf(LegacyBehavior);
).toBeInstanceOf(DefaultBehavior);
});
});

4
TypeScript/app/update-behaviors/behavior-resolver.ts
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@ -1,6 +1,6 @@
import { Item } from "@app/item";
import { IUpdateBehavior } from "./update-behavior.interface";
import { LegacyBehavior } from "./implementations/legacy-behavior";
import { DefaultBehavior } from "./implementations/default/default-behavior";
import { AgedBrieBehavior } from "./implementations/aged-brie/aged-brie-behavior";
import { BackstagePassBehavior } from "./implementations/backstage-pass/backstage-pass-behavior";
import { LegendaryItemBehavior } from "./implementations/legendary-item/legendary-item-behavior";
@ -14,6 +14,6 @@ export function getUpdateBehaviorFor(item: Item): IUpdateBehavior {
case "Sulfuras, Hand of Ragnaros":
return new LegendaryItemBehavior(item);
default:
return new LegacyBehavior(item);
return new DefaultBehavior(item);
}
}

10
TypeScript/app/update-behaviors/implementations/legacy-behavior.spec.ts → TypeScript/app/update-behaviors/implementations/default/default-behavior.spec.ts
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@ -1,9 +1,9 @@
import { Item } from "@app/item";
import { LegacyBehavior } from "./legacy-behavior";
import { DefaultBehavior } from "./default-behavior";
describe("Legacy Behavior", () => {
describe("Default Behavior", () => {
it("should degrade sell inn and quality each day", () => {
const behavior = new LegacyBehavior(new Item("standard item", 1, 1));
const behavior = new DefaultBehavior(new Item("standard item", 1, 1));
const result = behavior.update();
@ -15,7 +15,7 @@ describe("Legacy Behavior", () => {
});
it("should degrade quality twice as fast after sell in date", () => {
const behavior = new LegacyBehavior(new Item("standard item", 0, 2));
const behavior = new DefaultBehavior(new Item("standard item", 0, 2));
const result = behavior.update();
@ -27,7 +27,7 @@ describe("Legacy Behavior", () => {
});
it("should not degrade quality below 0", () => {
const behavior = new LegacyBehavior(new Item("standard item", 1, 0));
const behavior = new DefaultBehavior(new Item("standard item", 1, 0));
const result = behavior.update();

15
TypeScript/app/update-behaviors/implementations/default/default-behavior.ts Normal file
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@ -0,0 +1,15 @@
import { Item } from "@app/item";
import { IUpdateBehavior } from "../../update-behavior.interface";
export class DefaultBehavior implements IUpdateBehavior {
constructor(private item: Item) {}
update(): Item {
const amountToSubtract = this.item.sellIn <= 0 ? 2 : 1;
this.item.quality = Math.max(this.item.quality - amountToSubtract, 0);
this.item.sellIn -= 1;
return this.item;
}
}

20
TypeScript/app/update-behaviors/implementations/legacy-behavior.ts
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@ -1,20 +0,0 @@
import { Item } from "@app/item";
import { IUpdateBehavior } from "../update-behavior.interface";
export class LegacyBehavior implements IUpdateBehavior {
constructor(private item: Item) {}
update(): Item {
if (this.item.quality > 0) {
this.item.quality = this.item.quality - 1;
}
this.item.sellIn = this.item.sellIn - 1;
if (this.item.sellIn < 0) {
if (this.item.quality > 0) {
this.item.quality = this.item.quality - 1;
}
}
return this.item;
}
}