API 測試，使用 NPM Modules: supertest, should

API Test

/**
 * Created by AlanJui on 15/10/1.
 */
var should = require('should');
var request = require('supertest');
var mongodb = require('mongodb');
var MongoClient = mongodb.MongoClient;
var ObjectID = mongodb.ObjectID;
var tools = require('../libs/tools');

var model = require('../modules/user/model')();

describe('User API Test', function () {
  var url = 'http://localhost:3000';
  var id;

  describe('POST /api/users', function () {

    it('should return error typing password not consistent', function (done) {

      var user = {
        name: 'TigerWang',
        password: '1234',
        passwordConfirm: '5678',
        email: 'tiger.wang@gmail.com'
      };

      request(url)
        .post('/api/users')
        .send(user)
        .end(function (err, res) {
          should.not.exist(err);

          res.status.should.equal(422);
          res.error.text.should.equal('兩次輸入的密碼不一致');
          done();
        });
    });

    it('should create an user on DB', function (done) {

      var user = {
        name: 'TigerWang',
        password: '1234',
        passwordConfirm: '1234',
        email: 'tiger.wang@gmail.com'
      };

      request(url)
        .post('/api/users')
        .send(user)
        .end(function (err, res) {
          should.not.exist(err);

          res.status.should.equal(200);

          res.body.name.should.equal(user.name);
          res.body.password.should.equal(tools.getCryptoPassword(user.password));
          res.body.email.should.equal(user.email);

          id = res.body._id;
          done();
        });
    });

    it('should return error trying to save duplicate username', function (done) {
      var user = {
        name: 'TigerWang',
        password: '1234',
        passwordConfirm: '1234',
        email: 'tiger.wang@gmail.com'
      };

      request(url)
        .post('/api/users')
        .send(user)
        .end(function (err, res) {
          should.not.exist(err);

          res.status.should.equal(422);
          res.error.text.should.equal('該帳號已有人使用');
          done();
        });
    });
  });

  describe('GET /api/users/:id', function () {
    it('should read an user from DB', function (done) {
      var user = {
        name: 'TigerWang',
        password: '1234',
        passwordConfirm: '1234',
        email: 'tiger.wang@gmail.com'
      };

      request(url)
        .get('/api/users/' + id)
        .end(function (err, res) {
          should.not.exist(err);

          res.status.should.equal(200);
          res.body.name.should.equal(user.name);
          res.body.password.should.equal(tools.getCryptoPassword(user.password));
          res.body.email.should.equal(user.email);

          done();
        });
    });
  });

  describe('PUT /api/users/:id', function () {
    it('should update email for an user', function (done) {
      var user = {
        name: 'TigerWang',
        password: '1234',
        passwordConfirm: '1234',
        email: 'TigerWang@gmail.com'
      };

      request(url)
        .put('/api/users/' + id)
        .send({email: user.email})
        .end(function (err, res) {
          should.not.exist(err);

          res.status.should.equal(200);
          res.body.name.should.equal(user.name);
          res.body.password.should.equal(tools.getCryptoPassword(user.password));
          res.body.email.should.equal(user.email);

          done();
        });
    });
  });

  describe('DELETE /api/users/:id', function () {
    it('should delete an user from DB', function (done) {
      request(url)
        .delete('/api/users/' + id)
        .end(function (err, res) {
          should.not.exist(err);

          res.status.should.equal(200);

          done();
        });
    });
  });
});