test.js

'use strict'

/* global describe:false, beforeEach: fakse, it:false */

var chai = require('chai')
var expect = chai.expect
chai.use(require('chai-as-promised'))

var Promise = require('bluebird')
var Hapi = require('hapi')

describe('inject-then', function () {
  var server
  beforeEach(function () {
    server = new Hapi.Server()
    server.connection()
    server.route({
      path: '/test',
      method: 'GET',
      handler: function (request, reply) {
        reply('hello')
      }
    })
  })

  function register (options) {
    server.register({
      register: require('./'),
      options: options
    }, function (err) {
      if (err) throw err
    })
  }

  it('defaults to Bluebird', function () {
    register()
    expect(server.injectThen().catch(function () {})).to.be.an.instanceOf(Promise)
  })

  it('can use a promise constructor', function () {
    var PromiseCtor = function () {}
    PromiseCtor.prototype.then = function () {
      return this
    }
    register({
      Promise: PromiseCtor
    })
    expect(server.injectThen()).to.be.an.instanceOf(PromiseCtor)
  })

  it('registers a server.injectThen method', function () {
    register()
    expect(server).to.itself.respondTo('injectThen')
  })

  it('resolves with the injection response', function () {
    register()
    return server.injectThen('/test').then(function (response) {
      expect(response.result).to.equal('hello')
    })
  })

  it('propogates rejections properly (#2)', function () {
    register()
    var err = new Error()
    return expect(server.injectThen('/test').then(function () {
      throw err
    }))
      .to.be.rejectedWith(err)
  })

  it('can be registered multiple times', function () {
    register()
    register()
    return server.injectThen('/test').then(function (response) {
      expect(response.result).to.equal('hello')
    })
  })

  it('throws when options.replace is used', function () {
    expect(register.bind(null, {
      replace: true
    }))
      .to.throw('options.replace was removed')
  })
})