fastify/test/promises.test.js

Fast and low overhead web framework, for Node.js

'use strict'

const t = require('tap')
const test = t.test
const request = require('request')
const Bluebird = require('bluebird')
const fastify = require('..')()

const opts = {
  schema: {
    response: {
      '2xx': {
        type: 'object',
        properties: {
          hello: {
            type: 'string'
          }
        }
      }
    }
  }
}

fastify.get('/', opts, function (req, reply) {
  const promise = new Promise((resolve, reject) => {
    resolve({ hello: 'world' })
  })
  reply.type('application/json').code(200).send(promise)
})

fastify.get('/return', opts, function (req, reply) {
  const promise = new Promise((resolve, reject) => {
    resolve({ hello: 'world' })
  })
  return promise
})

fastify.get('/return-error', opts, function (req, reply) {
  const promise = new Promise((resolve, reject) => {
    reject(new Error('some error'))
  })
  return promise
})

fastify.get('/error', opts, function (req, reply) {
  const promise = new Promise((resolve, reject) => {
    reject(new Error('some error'))
  })
  reply.send(promise)
})

fastify.get('/bluebird', opts, function (req, reply) {
  const promise = new Bluebird((resolve, reject) => {
    resolve({ hello: 'world' })
  })
  reply.header('content-type', 'application/json').code(200).send(promise)
})

fastify.get('/bluebird-error', opts, function (req, reply) {
  const promise = new Bluebird((resolve, reject) => {
    reject(new Error('some error'))
  })
  reply.send(promise)
})

fastify.get('/kaboom', function (req, reply) {
  setTimeout(function () {
    // this should not throw
    reply.send(Promise.resolve({ hello: 'world' }))
  }, 20)
  return Promise.resolve({ hello: '42' })
})

fastify.listen(0, err => {
  t.error(err)
  fastify.server.unref()

  test('shorthand - request promise es6 get', t => {
    t.plan(4)
    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 200)
      t.strictEqual(response.headers['content-length'], '' + body.length)
      t.deepEqual(JSON.parse(body), { hello: 'world' })
    })
  })

  test('shorthand - request return promise es6 get', t => {
    t.plan(4)
    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port + '/return'
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 200)
      t.strictEqual(response.headers['content-length'], '' + body.length)
      t.deepEqual(JSON.parse(body), { hello: 'world' })
    })
  })

  test('shorthand - request promise es6 get error', t => {
    t.plan(2)
    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port + '/error'
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 500)
    })
  })

  test('shorthand - request promise es6 get return error', t => {
    t.plan(2)
    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port + '/return-error'
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 500)
    })
  })

  test('shorthand - request promise bluebird get', t => {
    t.plan(4)
    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port + '/bluebird'
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 200)
      t.strictEqual(response.headers['content-length'], '' + body.length)
      t.deepEqual(JSON.parse(body), { hello: 'world' })
    })
  })

  test('shorthand - request promise bluebird get error', t => {
    t.plan(2)
    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port + '/bluebird-error'
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 500)
    })
  })

  test('request promise double send', t => {
    t.plan(3)

    request({
      method: 'GET',
      uri: 'http://localhost:' + fastify.server.address().port + '/kaboom'
    }, (err, response, body) => {
      t.error(err)
      t.strictEqual(response.statusCode, 200)
      t.deepEqual(JSON.parse(body), { hello: '42' })
    })
  })
})