express/test/res.set.js
2017-05-14 23:58:25 -04:00

124 lines
2.9 KiB
JavaScript

var express = require('..');
var request = require('supertest');
describe('res', function(){
describe('.set(field, value)', function(){
it('should set the response header field', function(done){
var app = express();
app.use(function(req, res){
res.set('Content-Type', 'text/x-foo; charset=utf-8').end();
});
request(app)
.get('/')
.expect('Content-Type', 'text/x-foo; charset=utf-8')
.end(done);
})
it('should coerce to a string', function (done) {
var app = express();
app.use(function (req, res) {
res.set('X-Number', 123);
res.end(typeof res.get('X-Number'));
});
request(app)
.get('/')
.expect('X-Number', '123')
.expect(200, 'string', done);
})
})
describe('.set(field, values)', function(){
it('should set multiple response header fields', function(done){
var app = express();
app.use(function(req, res){
res.set('Set-Cookie', ["type=ninja", "language=javascript"]);
res.send(res.get('Set-Cookie'));
});
request(app)
.get('/')
.expect('["type=ninja","language=javascript"]', done);
})
it('should coerce to an array of strings', function (done) {
var app = express();
app.use(function (req, res) {
res.set('X-Numbers', [123, 456]);
res.end(JSON.stringify(res.get('X-Numbers')));
});
request(app)
.get('/')
.expect('X-Numbers', '123, 456')
.expect(200, '["123","456"]', done);
})
it('should not set a charset of one is already set', function (done) {
var app = express();
app.use(function (req, res) {
res.set('Content-Type', 'text/html; charset=lol');
res.end();
});
request(app)
.get('/')
.expect('Content-Type', 'text/html; charset=lol')
.expect(200, done);
})
it('should throw when Content-Type is an array', function (done) {
var app = express()
app.use(function (req, res) {
res.set('Content-Type', ['text/html'])
res.end()
});
request(app)
.get('/')
.expect(500, /TypeError: Content-Type cannot be set to an Array/, done)
})
})
describe('.set(object)', function(){
it('should set multiple fields', function(done){
var app = express();
app.use(function(req, res){
res.set({
'X-Foo': 'bar',
'X-Bar': 'baz'
}).end();
});
request(app)
.get('/')
.expect('X-Foo', 'bar')
.expect('X-Bar', 'baz')
.end(done);
})
it('should coerce to a string', function (done) {
var app = express();
app.use(function (req, res) {
res.set({ 'X-Number': 123 });
res.end(typeof res.get('X-Number'));
});
request(app)
.get('/')
.expect('X-Number', '123')
.expect(200, 'string', done);
})
})
})