index.js

const Hapi = require('@hapi/hapi')
const index = require('./endpoints/index')
const teste = require('./endpoints/teste')

let server = Hapi.server({
    port: 3000,
    host: 'localhost'
})

let port = 3000;

console.log(`server started at port ${port}`)


server.route(index)
server.route(teste)

server.start()

module.exports = server

mocha-test-example-hapi.js

const server = require('../index')
const assert = require('assert')

describe('API tests', function() {
    describe('index', function() {
        it('should get', async function() {
            var response = await server.inject({
                method: 'GET',
                url: '/'
            })
            assert.equal(200, response.statusCode)
            assert.equal('get', response.payload)
        })

        it('should post', async function() {
            var response = await server.inject({
                method: 'POST',
                url: '/'
            })
            assert.equal(200, response.statusCode)
            assert.deepEqual({value:'post'}, JSON.parse(response.payload))
        })
    })

    describe('teste', function() {
        it('should get', async function(){
            var response = await server.inject({
                method: 'GET',
                url: '/teste'
            })

            assert.equal(200, response.statusCode)
            assert.notEqual('', response.payload)
        })
    })
})

after(function() {
    server.stop()
})