Feature/add e2e test

app.js

@@ -1,7 +1,7 @@
 const express = require('express');
 const app = express();
 const bodyParser = require('body-parser');
-const routes = require('./routes/routes');
+const routes = require('./src/routes/routes');
 
 app.use(bodyParser.json());
 app.use(bodyParser.urlencoded({ extended: true }));
@@ -12,6 +12,4 @@ app.get('/', (req, res) => {
     res.send('Backend running successfully');
 })
 
-app.listen(5000, () => console.log('Server running on port 5000'));
-
 module.exports = app;

jest-integration.config.js

@@ -0,0 +1,3 @@
+const config = require('./jest.config')
+config.testMatch = ['**/*.test.js']
+module.exports = config

jest.config.js

@@ -0,0 +1,8 @@
+module.exports = {
+    roots: ['<rootDir>/src'],
+    collectCoverageFrom: [
+        '<rootDir>/src/**/*.js',
+    ],
+    coverageDirectory: 'coverage',
+    testEnvironment: 'node',
+}

package.json

@@ -4,18 +4,19 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "mocha ./tests --recursive --timeout 15000 --no-deprecation",
-    "start": "node app.js"
+    "test": "jest --passWithNoTests --noStackTrace --runInBand",
+    "test:integration": "npm test -- --watch -c jest-integration.config.js",
+    "start": "node server.js"
   },
   "keywords": [],
   "author": "",
   "license": "ISC",
   "dependencies": {
     "body-parser": "^1.19.0",
-    "chai": "^4.2.0",
-    "chai-http": "^4.3.0",
-    "express": "^4.17.1",
-    "mocha": "^8.1.3",
-    "should": "^13.2.3"
+    "express": "^4.17.1"
+  },
+  "devDependencies": {
+    "jest": "^26.4.2",
+    "supertest": "^4.0.2"
   }
 }

server.js

@@ -0,0 +1,5 @@
+const app = require('./app')
+
+app.listen(5000, () => console.log('Server running on port 5000'));
+
+module.exports = app;

routes/routes.js → src/routes/routes.js

@@ -100,7 +100,7 @@ router.post('/dudeney', (req, res) => {
     //Dudeney Number
     try {
         let number = req.body.number
-        let sumOfDigits
+        let sumOfDigits = 0
         const root = Math.cbrt(number)
 
         while (number) {

src/routes/routes.test.js

@@ -0,0 +1,24 @@
+const request = require('supertest')
+const app  = require('../../app')
+
+describe('Test dudeney route', ()=>{
+  test('Should return number is not Dudeney number', async ()=>{
+    await request(app)
+      .post('/dudeney')
+      .send({ number: 10 })
+      .expect(200)
+      .then((res) => {
+        expect(res.body.message).toBe('The Number is Not Dudeney Number')
+      })
+  })
+
+  test('Should return number is Dudeney number', async ()=>{
+    await request(app)
+      .post('/dudeney')
+      .send({ number: 512 })
+      .expect(200)
+      .then((res) => {
+        expect(res.body.message).toBe('The Number is Dudeney Number')
+      })
+  })
+})