express/test/res.jsonp.js
2016-05-11 08:50:38 +02:00

346 lines
9.0 KiB
JavaScript

var express = require('../')
, request = require('supertest')
, assert = require('assert');
var utils = require('./support/utils');
describe('res', function(){
describe('.jsonp(object)', function(){
it('should respond with jsonp', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ count: 1 });
});
request(app)
.get('/?callback=something')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect(200, /something\(\{"count":1\}\);/, done);
})
it('should use first callback parameter with jsonp', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ count: 1 });
});
request(app)
.get('/?callback=something&callback=somethingelse')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect(200, /something\(\{"count":1\}\);/, done);
})
it('should ignore object callback parameter with jsonp', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ count: 1 });
});
request(app)
.get('/?callback[a]=something')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '{"count":1}', done)
})
it('should allow renaming callback', function(done){
var app = express();
app.set('jsonp callback name', 'clb');
app.use(function(req, res){
res.jsonp({ count: 1 });
});
request(app)
.get('/?clb=something')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect(200, /something\(\{"count":1\}\);/, done);
})
it('should allow []', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ count: 1 });
});
request(app)
.get('/?callback=callbacks[123]')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect(200, /callbacks\[123\]\(\{"count":1\}\);/, done);
})
it('should disallow arbitrary js', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({});
});
request(app)
.get('/?callback=foo;bar()')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect(200, /foobar\(\{\}\);/, done);
})
it('should escape utf whitespace', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ str: '\u2028 \u2029 woot' });
});
request(app)
.get('/?callback=foo')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect(200, /foo\(\{"str":"\\u2028 \\u2029 woot"\}\);/, done);
});
it('should not escape utf whitespace for json fallback', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ str: '\u2028 \u2029 woot' });
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '{"str":"\u2028 \u2029 woot"}', done);
});
it('should include security header and prologue', function (done) {
var app = express();
app.use(function(req, res){
res.jsonp({ count: 1 });
});
request(app)
.get('/?callback=something')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect('X-Content-Type-Options', 'nosniff')
.expect(200, /^\/\*\*\//, done);
})
it('should not override previous Content-Types with no callback', function(done){
var app = express();
app.get('/', function(req, res){
res.type('application/vnd.example+json');
res.jsonp({ hello: 'world' });
});
request(app)
.get('/')
.expect('Content-Type', 'application/vnd.example+json; charset=utf-8')
.expect(utils.shouldNotHaveHeader('X-Content-Type-Options'))
.expect(200, '{"hello":"world"}', done);
})
it('should override previous Content-Types with callback', function(done){
var app = express();
app.get('/', function(req, res){
res.type('application/vnd.example+json');
res.jsonp({ hello: 'world' });
});
request(app)
.get('/?callback=cb')
.expect('Content-Type', 'text/javascript; charset=utf-8')
.expect('X-Content-Type-Options', 'nosniff')
.expect(200, /cb\(\{"hello":"world"\}\);$/, done);
})
describe('when given primitives', function(){
it('should respond with json', function(done){
var app = express();
app.use(function(req, res){
res.jsonp(null);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, 'null', done)
})
})
describe('when given an array', function(){
it('should respond with json', function(done){
var app = express();
app.use(function(req, res){
res.jsonp(['foo', 'bar', 'baz']);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '["foo","bar","baz"]', done)
})
})
describe('when given an object', function(){
it('should respond with json', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ name: 'tobi' });
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '{"name":"tobi"}', done)
})
})
describe('when given primitives', function(){
it('should respond with json for null', function(done){
var app = express();
app.use(function(req, res){
res.jsonp(null);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, 'null', done)
})
it('should respond with json for Number', function(done){
var app = express();
app.use(function(req, res){
res.jsonp(300);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '300', done)
})
it('should respond with json for String', function(done){
var app = express();
app.use(function(req, res){
res.jsonp('str');
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '"str"', done)
})
})
describe('"json replacer" setting', function(){
it('should be passed to JSON.stringify()', function(done){
var app = express();
app.set('json replacer', function(key, val){
return '_' == key[0]
? undefined
: val;
});
app.use(function(req, res){
res.jsonp({ name: 'tobi', _id: 12345 });
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '{"name":"tobi"}', done)
})
})
describe('"json spaces" setting', function(){
it('should be undefined by default', function(){
var app = express();
assert(undefined === app.get('json spaces'));
})
it('should be passed to JSON.stringify()', function(done){
var app = express();
app.set('json spaces', 2);
app.use(function(req, res){
res.jsonp({ name: 'tobi', age: 2 });
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '{\n "name": "tobi",\n "age": 2\n}', done)
})
})
})
describe('.jsonp(status, object)', function(){
it('should respond with json and set the .statusCode', function(done){
var app = express();
app.use(function(req, res){
res.jsonp(201, { id: 1 });
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(201, '{"id":1}', done)
})
})
describe('.jsonp(object, status)', function(){
it('should respond with json and set the .statusCode for backwards compat', function(done){
var app = express();
app.use(function(req, res){
res.jsonp({ id: 1 }, 201);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(201, '{"id":1}', done)
})
it('should use status as second number for backwards compat', function(done){
var app = express();
app.use(function(req, res){
res.jsonp(200, 201);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(201, '200', done)
})
})
it('should not override previous Content-Types', function(done){
var app = express();
app.get('/', function(req, res){
res.type('application/vnd.example+json');
res.jsonp({ hello: 'world' });
});
request(app)
.get('/')
.expect('content-type', 'application/vnd.example+json; charset=utf-8')
.expect(200, '{"hello":"world"}', done)
})
})