dbServer/project/route.test.js

import router, { getHandler, postHandler, putHandler, deleteHandler } from './route'
import samples from './_sampleData'
import sinon from 'sinon'
import mongoose from 'mongoose'
jest.mock('./model')

function ResClass () {
  this._status = null
  this._data = null
  this.status = (status) => { this._status = status }
  this.send = (data) => { this._data = data }
  this.json = (data) => {
    this._data = data
    this._status = 200
  }
}

describe('Route handlers', () => {
  it('handles the GET request for lists.', () => {
    // if no _id is passed, return a list of objects.
    // apply the limits correctly
    const reqList = { params: [], query: {limit: 2.4, offset: 1.2} }
    const res = new ResClass()
    const returnValue = getHandler(reqList, res)
    expect(returnValue).toBeUndefined()
    expect(res._data).toBe(samples)
    expect(res._status).toBe(200)
    expect(ProjectFind.called).toBe(true)
    expect(ProjectFind.firstCall.args[0]).toEqual({})
    expect(ProjectFind.firstCall.args[1]).toEqual({limit: 2, skip: 1})
  })
  it('handles the GET request for single documents.', () => {
    const reqOne = { params: ['/58d3d6883d34293254afae42'], query: undefined }
    const res = new ResClass()
    const returnValue = getHandler(reqOne, res)
    expect(returnValue).toBeUndefined()
    expect(res._data).toBe(samples[0])
    expect(res._status).toBe(200)
    expect(ProjectFindOne.called).toBe(true)
    expect(ProjectFindOne.firstCall.args[0]).toEqual({_id: mongoose.Types.ObjectId('58d3d6883d34293254afae42')})
  })
  it('handles the POST request.', () => {
    const reqOne = { params: ['/58d3d6883d34293254afae42'], query: undefined }
    const res = new ResClass()
    const returnValue = postHandler(reqOne, res)
    expect(returnValue).toBeUndefined()
    expect(res._data).toBe(samples[0])
    expect(res._status).toBe(200)
    expect(ProjectFindOne.called).toBe(true)
    expect(ProjectFindOne.firstCall.args[0]).toEqual({_id: mongoose.Types.ObjectId('58d3d6883d34293254afae42')})
  })
})