adds golden master test

TypeScript/package.json

@@ -6,7 +6,9 @@
     "precompile": "rimraf app/**/*.js test/**/*.js",
     "compile": "tsc",
     "pretest": "rimraf app/**/*.js test/**/*.js",
-    "test": "nyc mocha"
+    "test": "nyc mocha",
+    "test:gm": "nyc mocha -g 'gilded rose golden master'",
+    "create-master": "ts-node ./test/generateGoldenMaster.ts"
   },
   "license": "MIT",
   "private": true,
@@ -19,7 +21,7 @@
     "nyc": "~15.1.0",
     "rimraf": "~3.0.2",
     "source-map-support": "0.5.19",
-    "ts-node": "~9.1.1",
+    "ts-node": "^10.2.1",
     "typescript": "~4.1.3"
   },
   "nyc": {

TypeScript/test/checkGoldenMaster.spec.ts

@@ -0,0 +1,26 @@
+import * as fs from "fs";
+import {generateReport, getItems, goldenMasterFilename} from "./generateReport";
+import {GildedRose} from "../app/gilded-rose";
+import { expect } from "chai";
+
+function getGoldenMaster() {
+    try {
+        return fs.readFileSync(goldenMasterFilename).toString().split('\n')
+    }catch {
+        throw new Error('No golden master file generated; run `yarn create-master` or `npm run create-master`')
+    }
+}
+
+describe('gilded rose golden master', () => {
+    it('should match golden master', () => {
+        const goldenMaster = getGoldenMaster();
+
+        const newReport = generateReport(new GildedRose(getItems()))
+
+        expect(newReport.length).to.equal(goldenMaster.length)
+
+        goldenMaster.forEach((line, index) => {
+            expect(newReport[index]).to.equal(line)
+        })
+    })
+})

TypeScript/test/generateGoldenMaster.ts

@@ -0,0 +1,7 @@
+import * as fs from "fs";
+import {generateReport, getItems, goldenMasterFilename} from "./generateReport";
+import {GildedRose} from "../app/gilded-rose";
+
+
+const report = generateReport(new GildedRose(getItems()))
+fs.writeFileSync(goldenMasterFilename, report.join('\n'))

TypeScript/test/generateReport.ts

@@ -0,0 +1,34 @@
+import {GildedRose, Item} from "../app/gilded-rose";
+
+export const goldenMasterFilename = './build/goldenMaster.txt';
+
+export const getItems = () => ([
+    new Item("+5 Dexterity Vest", 10, 20), //
+    new Item("Aged Brie", 2, 0), //
+    new Item("Elixir of the Mongoose", 5, 7), //
+    new Item("Sulfuras, Hand of Ragnaros", 0, 80), //
+    new Item("Sulfuras, Hand of Ragnaros", -1, 80),
+    new Item("Backstage passes to a TAFKAL80ETC concert", 15, 20),
+    new Item("Backstage passes to a TAFKAL80ETC concert", 10, 49),
+    new Item("Backstage passes to a TAFKAL80ETC concert", 5, 49),
+    // this conjured item does not work properly yet
+    new Item("Conjured Mana Cake", 3, 6)
+]);
+
+export function generateReport(gildedRose: GildedRose) {
+    const outputLines: string[] = []
+
+    const days: number = 2;
+
+    for (let i = 0; i < days; i++) {
+        outputLines.push("-------- day " + i + " --------");
+        outputLines.push("name, sellIn, quality");
+        gildedRose.items.forEach(element => {
+            outputLines.push(element.name + ' ' + element.sellIn + ' ' + element.quality);
+        });
+        outputLines.push();
+        gildedRose.updateQuality();
+    }
+
+    return outputLines
+}

TypeScript/test/gilded-rose.spec.ts

@@ -3,10 +3,10 @@ import { Item, GildedRose } from '../app/gilded-rose';
 
 describe('Gilded Rose', function () {
 
-    it('should foo', function() {
-        const gildedRose = new GildedRose([ new Item('foo', 0, 0) ]);
-        const items = gildedRose.updateQuality();
-        expect(items[0].name).to.equal('fixme');
-    });
+    // it('should foo', function() {
+    //     const gildedRose = new GildedRose([ new Item('foo', 0, 0) ]);
+    //     const items = gildedRose.updateQuality();
+    //     expect(items[0].name).to.equal('fixme');
+    // });
 
 });

TypeScript/test/golden-master-text-test.ts

@@ -1,27 +1,5 @@
-import { Item, GildedRose } from '../app/gilded-rose';
+import {generateReport, getItems} from "./generateReport";
+import {GildedRose} from "../app/gilded-rose";
 
-const items = [
-    new Item("+5 Dexterity Vest", 10, 20), //
-    new Item("Aged Brie", 2, 0), //
-    new Item("Elixir of the Mongoose", 5, 7), //
-    new Item("Sulfuras, Hand of Ragnaros", 0, 80), //
-    new Item("Sulfuras, Hand of Ragnaros", -1, 80),
-    new Item("Backstage passes to a TAFKAL80ETC concert", 15, 20),
-    new Item("Backstage passes to a TAFKAL80ETC concert", 10, 49),
-    new Item("Backstage passes to a TAFKAL80ETC concert", 5, 49),
-    // this conjured item does not work properly yet
-    new Item("Conjured Mana Cake", 3, 6)];
-
-
-const gildedRose = new GildedRose(items);
-var days: number = 2;
-for (let i = 0; i < days; i++) {
-    console.log("-------- day " + i + " --------");
-    console.log("name, sellIn, quality");
-    items.forEach(element => {
-        console.log(element.name + ' ' + element.sellIn + ' ' + element.quality);
-
-    });
-    console.log();
-    gildedRose.updateQuality();
-}
+const outputLines = generateReport(new GildedRose(getItems()));
+console.log(outputLines.join('\n'))