345 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			345 lines
		
	
	
		
			9.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict'
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| 
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| var express = require('../')
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|   , request = require('supertest')
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|   , assert = require('node:assert');
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| var utils = require('./support/utils');
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| 
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| describe('res', function(){
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|   describe('.jsonp(object)', function(){
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|     it('should respond with jsonp', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ count: 1 });
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|       });
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| 
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|       request(app)
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|       .get('/?callback=something')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect(200, /something\(\{"count":1\}\);/, done);
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|     })
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| 
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|     it('should use first callback parameter with jsonp', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ count: 1 });
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|       });
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| 
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|       request(app)
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|       .get('/?callback=something&callback=somethingelse')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect(200, /something\(\{"count":1\}\);/, done);
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|     })
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| 
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|     it('should ignore object callback parameter with jsonp', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ count: 1 });
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|       });
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| 
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|       request(app)
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|       .get('/?callback[a]=something')
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|       .expect('Content-Type', 'application/json; charset=utf-8')
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|       .expect(200, '{"count":1}', done)
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|     })
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| 
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|     it('should allow renaming callback', function(done){
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|       var app = express();
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| 
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|       app.set('jsonp callback name', 'clb');
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ count: 1 });
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|       });
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| 
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|       request(app)
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|       .get('/?clb=something')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect(200, /something\(\{"count":1\}\);/, done);
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|     })
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| 
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|     it('should allow []', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ count: 1 });
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|       });
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| 
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|       request(app)
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|       .get('/?callback=callbacks[123]')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect(200, /callbacks\[123\]\(\{"count":1\}\);/, done);
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|     })
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| 
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|     it('should disallow arbitrary js', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({});
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|       });
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| 
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|       request(app)
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|       .get('/?callback=foo;bar()')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect(200, /foobar\(\{\}\);/, done);
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|     })
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| 
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|     it('should escape utf whitespace', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ str: '\u2028 \u2029 woot' });
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|       });
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| 
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|       request(app)
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|       .get('/?callback=foo')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect(200, /foo\(\{"str":"\\u2028 \\u2029 woot"\}\);/, done);
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|     });
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| 
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|     it('should not escape utf whitespace for json fallback', function(done){
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ str: '\u2028 \u2029 woot' });
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|       });
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| 
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|       request(app)
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|       .get('/')
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|       .expect('Content-Type', 'application/json; charset=utf-8')
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|       .expect(200, '{"str":"\u2028 \u2029 woot"}', done);
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|     });
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| 
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|     it('should include security header and prologue', function (done) {
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|       var app = express();
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| 
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|       app.use(function(req, res){
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|         res.jsonp({ count: 1 });
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|       });
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| 
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|       request(app)
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|       .get('/?callback=something')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect('X-Content-Type-Options', 'nosniff')
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|       .expect(200, /^\/\*\*\//, done);
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|     })
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| 
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|     it('should not override previous Content-Types with no callback', function(done){
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|       var app = express();
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| 
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|       app.get('/', function(req, res){
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|         res.type('application/vnd.example+json');
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|         res.jsonp({ hello: 'world' });
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|       });
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| 
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|       request(app)
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|       .get('/')
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|       .expect('Content-Type', 'application/vnd.example+json; charset=utf-8')
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|       .expect(utils.shouldNotHaveHeader('X-Content-Type-Options'))
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|       .expect(200, '{"hello":"world"}', done);
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|     })
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| 
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|     it('should override previous Content-Types with callback', function(done){
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|       var app = express();
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| 
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|       app.get('/', function(req, res){
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|         res.type('application/vnd.example+json');
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|         res.jsonp({ hello: 'world' });
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|       });
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| 
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|       request(app)
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|       .get('/?callback=cb')
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|       .expect('Content-Type', 'text/javascript; charset=utf-8')
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|       .expect('X-Content-Type-Options', 'nosniff')
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|       .expect(200, /cb\(\{"hello":"world"\}\);$/, done);
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|     })
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| 
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|     describe('when given undefined', function () {
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|       it('should invoke callback with no arguments', function (done) {
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|         var app = express()
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| 
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|         app.use(function (req, res) {
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|           res.jsonp(undefined)
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\(\)/, done)
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|       })
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|     })
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| 
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|     describe('when given null', function () {
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|       it('should invoke callback with null', function (done) {
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|         var app = express()
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| 
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|         app.use(function (req, res) {
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|           res.jsonp(null)
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\(null\)/, done)
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|       })
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|     })
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| 
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|     describe('when given a string', function () {
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|       it('should invoke callback with a string', function (done) {
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|         var app = express()
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| 
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|         app.use(function (req, res) {
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|           res.jsonp('tobi')
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\("tobi"\)/, done)
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|       })
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|     })
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| 
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|     describe('when given a number', function () {
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|       it('should invoke callback with a number', function (done) {
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|         var app = express()
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| 
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|         app.use(function (req, res) {
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|           res.jsonp(42)
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\(42\)/, done)
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|       })
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|     })
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| 
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|     describe('when given an array', function () {
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|       it('should invoke callback with an array', function (done) {
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|         var app = express()
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| 
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|         app.use(function (req, res) {
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|           res.jsonp(['foo', 'bar', 'baz'])
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\(\["foo","bar","baz"\]\)/, done)
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|       })
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|     })
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| 
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|     describe('when given an object', function () {
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|       it('should invoke callback with an object', function (done) {
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|         var app = express()
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| 
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|         app.use(function (req, res) {
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|           res.jsonp({ name: 'tobi' })
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\(\{"name":"tobi"\}\)/, done)
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|       })
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|     })
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| 
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|     describe('"json escape" setting', function () {
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|       it('should be undefined by default', function () {
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|         var app = express()
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|         assert.strictEqual(app.get('json escape'), undefined)
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|       })
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| 
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|       it('should unicode escape HTML-sniffing characters', function (done) {
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|         var app = express()
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| 
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|         app.enable('json escape')
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| 
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|         app.use(function (req, res) {
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|           res.jsonp({ '&': '\u2028<script>\u2029' })
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|         })
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| 
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|         request(app)
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|         .get('/?callback=foo')
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|         .expect('Content-Type', 'text/javascript; charset=utf-8')
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|         .expect(200, /foo\({"\\u0026":"\\u2028\\u003cscript\\u003e\\u2029"}\)/, done)
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|       })
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| 
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|       it('should not break undefined escape', function (done) {
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|         var app = express()
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| 
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|         app.enable('json escape')
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| 
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|         app.use(function (req, res) {
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|           res.jsonp(undefined)
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|         })
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| 
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|         request(app)
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|           .get('/?callback=cb')
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|           .expect('Content-Type', 'text/javascript; charset=utf-8')
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|           .expect(200, /cb\(\)/, done)
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|       })
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|     })
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| 
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|     describe('"json replacer" setting', function(){
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|       it('should be passed to JSON.stringify()', function(done){
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|         var app = express();
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| 
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|         app.set('json replacer', function(key, val){
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|           return key[0] === '_'
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|             ? undefined
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|             : val;
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|         });
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| 
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|         app.use(function(req, res){
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|           res.jsonp({ name: 'tobi', _id: 12345 });
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|         });
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| 
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|         request(app)
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|         .get('/')
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|         .expect('Content-Type', 'application/json; charset=utf-8')
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|         .expect(200, '{"name":"tobi"}', done)
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|       })
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|     })
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| 
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|     describe('"json spaces" setting', function(){
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|       it('should be undefined by default', function(){
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|         var app = express();
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|         assert(undefined === app.get('json spaces'));
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|       })
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| 
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|       it('should be passed to JSON.stringify()', function(done){
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|         var app = express();
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| 
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|         app.set('json spaces', 2);
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| 
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|         app.use(function(req, res){
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|           res.jsonp({ name: 'tobi', age: 2 });
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|         });
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| 
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|         request(app)
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|         .get('/')
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|         .expect('Content-Type', 'application/json; charset=utf-8')
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|         .expect(200, '{\n  "name": "tobi",\n  "age": 2\n}', done)
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|       })
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|     })
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|   })
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| 
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|   it('should not override previous Content-Types', function(done){
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|     var app = express();
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| 
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|     app.get('/', function(req, res){
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|       res.type('application/vnd.example+json');
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|       res.jsonp({ hello: 'world' });
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|     });
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| 
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|     request(app)
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|     .get('/')
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|     .expect('content-type', 'application/vnd.example+json; charset=utf-8')
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|     .expect(200, '{"hello":"world"}', done)
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|   })
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| })
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