Jest and supertest setup

jest-package.json

{
  "scripts": {
    "test": "jest --watch --verbose",
    "test-coverage": "jest --coverage"
  },
  
  "devDependencies": {
    "@faker-js/faker": "...",
    "factory-girl": "...",
    "faker": "...",
    "jest": "...",
    "mongodb-memory-server": "...",
    "supertest": "..."
  }
}

jest.config.ts

import { compilerOptions } from './tsconfig.json'
import { pathsToModuleNameMapper } from 'ts-jest'

export default {
  bail: true,
  clearMocks: true,
  collectCoverage: true,
  coverageDirectory: 'coverage',
  coverageProvider: 'v8',
  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>' }),
  preset: 'ts-jest'
}