Fix the jest exit issue

jest.config.ts

@@ -1,4 +1,5 @@
 export default {
   preset: 'ts-jest',
-  testEnvironment: 'node'
+  testEnvironment: 'node',
+  modulePathIgnorePatterns: ['<rootDir>/dist/']
 }

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "start": "nodemon --watch 'src/**/*.ts' --exec ts-node-dev --respawn src/server.ts",
     "build": "tsc",
-    "test": "jest",
+    "test": "jest --forceExit",
     "lint": "eslint . --ext .ts",
     "lint:fix": "eslint . --ext .ts --fix",
     "format": "prettier --write \"src/**/*.ts\""

src/app.ts

@@ -27,7 +27,6 @@ export const startServer = async (): Promise<Express> => {
   try {
     await dataSource.initialize()
     console.log('DB connection is successful')
-
     app.listen(port, () => {
       console.log(`Server is running on http://localhost:${port}`)
     })

src/routes/profile/profile.route.test.ts

@@ -1,12 +1,13 @@
-import { startServer } from '../../app'
+import  { startServer } from '../../app'
 import type { Express } from "express"
 import supertest from 'supertest'
+import { dataSource } from '../../configs/dbConfig';
 
 describe('profile', () => {
   let server: Express;
   describe('Get profile route', () => {
     let accessToken: string
-    const randomString = Math.random().toString(36).substr(2, 5);
+    const randomString = Math.random().toString(36);
 
     beforeAll(async () => {
       server = await startServer();
@@ -30,7 +31,6 @@ describe('profile', () => {
     }, 5000)
 
     it('should return a 401 without a valid access token', async () => {
-
       await supertest(server).get('/api/me/profile').expect(401)
     })
 
@@ -51,5 +51,9 @@ describe('profile', () => {
       expect(response.body).toHaveProperty('type')
       expect(response.body).toHaveProperty('uuid')
     })
+
+    afterAll(async() => {
+      await dataSource.destroy()
+    })
   })
 })

src/server.ts

@@ -1,4 +1,12 @@
 import startServer from "./app";
 
-startServer().then(()=> {console.log("Server started!")
-}).catch((err) => { console.log("Something went wrong!", err) })
+async function start() : Promise<void>{
+  try {
+    await startServer();
+    console.log("Server started!");
+  } catch (err) {
+    console.error("Something went wrong!", err);
+  }
+}
+
+start().catch((err) => {console.error(err)});