express/test/res.send.js
Douglas Christopher Wilson 9f4dbae083 deps: etag@~1.8.0
2017-02-20 21:25:26 -05:00

551 lines
13 KiB
JavaScript

var assert = require('assert');
var express = require('..');
var methods = require('methods');
var request = require('supertest');
var utils = require('./support/utils');
describe('res', function(){
describe('.send()', function(){
it('should set body to ""', function(done){
var app = express();
app.use(function(req, res){
res.send();
});
request(app)
.get('/')
.expect(200, '', done);
})
})
describe('.send(null)', function(){
it('should set body to ""', function(done){
var app = express();
app.use(function(req, res){
res.send(null);
});
request(app)
.get('/')
.expect('Content-Length', '0')
.expect(200, '', done);
})
})
describe('.send(undefined)', function(){
it('should set body to ""', function(done){
var app = express();
app.use(function(req, res){
res.send(undefined);
});
request(app)
.get('/')
.expect(200, '', done);
})
})
describe('.send(code)', function(){
it('should set .statusCode', function(done){
var app = express();
app.use(function(req, res){
res.send(201).should.equal(res);
});
request(app)
.get('/')
.expect('Created')
.expect(201, done);
})
})
describe('.send(code, body)', function(){
it('should set .statusCode and body', function(done){
var app = express();
app.use(function(req, res){
res.send(201, 'Created :)');
});
request(app)
.get('/')
.expect('Created :)')
.expect(201, done);
})
})
describe('.send(body, code)', function(){
it('should be supported for backwards compat', function(done){
var app = express();
app.use(function(req, res){
res.send('Bad!', 400);
});
request(app)
.get('/')
.expect('Bad!')
.expect(400, done);
})
})
describe('.send(code, number)', function(){
it('should send number as json', function(done){
var app = express();
app.use(function(req, res){
res.send(200, 0.123);
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '0.123', done);
})
})
describe('.send(String)', function(){
it('should send as html', function(done){
var app = express();
app.use(function(req, res){
res.send('<p>hey</p>');
});
request(app)
.get('/')
.expect('Content-Type', 'text/html; charset=utf-8')
.expect(200, '<p>hey</p>', done);
})
it('should set ETag', function (done) {
var app = express();
app.use(function (req, res) {
var str = Array(1000).join('-');
res.send(str);
});
request(app)
.get('/')
.expect('ETag', 'W/"3e7-qPnkJ3CVdVhFJQvUBfF10TmVA7g"')
.expect(200, done);
})
it('should not override Content-Type', function(done){
var app = express();
app.use(function(req, res){
res.set('Content-Type', 'text/plain').send('hey');
});
request(app)
.get('/')
.expect('Content-Type', 'text/plain; charset=utf-8')
.expect(200, 'hey', done);
})
it('should override charset in Content-Type', function(done){
var app = express();
app.use(function(req, res){
res.set('Content-Type', 'text/plain; charset=iso-8859-1').send('hey');
});
request(app)
.get('/')
.expect('Content-Type', 'text/plain; charset=utf-8')
.expect(200, 'hey', done);
})
it('should keep charset in Content-Type for Buffers', function(done){
var app = express();
app.use(function(req, res){
res.set('Content-Type', 'text/plain; charset=iso-8859-1').send(new Buffer('hi'));
});
request(app)
.get('/')
.expect('Content-Type', 'text/plain; charset=iso-8859-1')
.expect(200, 'hi', done);
})
})
describe('.send(Buffer)', function(){
it('should send as octet-stream', function(done){
var app = express();
app.use(function(req, res){
res.send(new Buffer('hello'));
});
request(app)
.get('/')
.expect('Content-Type', 'application/octet-stream')
.expect(200, 'hello', done);
})
it('should set ETag', function (done) {
var app = express();
app.use(function (req, res) {
var str = Array(1000).join('-');
res.send(new Buffer(str));
});
request(app)
.get('/')
.expect('ETag', 'W/"3e7-qPnkJ3CVdVhFJQvUBfF10TmVA7g"')
.expect(200, done);
})
it('should not override Content-Type', function(done){
var app = express();
app.use(function(req, res){
res.set('Content-Type', 'text/plain').send(new Buffer('hey'));
});
request(app)
.get('/')
.expect('Content-Type', 'text/plain; charset=utf-8')
.expect(200, 'hey', done);
})
})
describe('.send(Object)', function(){
it('should send as application/json', function(done){
var app = express();
app.use(function(req, res){
res.send({ name: 'tobi' });
});
request(app)
.get('/')
.expect('Content-Type', 'application/json; charset=utf-8')
.expect(200, '{"name":"tobi"}', done)
})
})
describe('when the request method is HEAD', function(){
it('should ignore the body', function(done){
var app = express();
app.use(function(req, res){
res.send('yay');
});
request(app)
.head('/')
.expect('', done);
})
})
describe('when .statusCode is 204', function(){
it('should strip Content-* fields, Transfer-Encoding field, and body', function(done){
var app = express();
app.use(function(req, res){
res.status(204).set('Transfer-Encoding', 'chunked').send('foo');
});
request(app)
.get('/')
.expect(utils.shouldNotHaveHeader('Content-Type'))
.expect(utils.shouldNotHaveHeader('Content-Length'))
.expect(utils.shouldNotHaveHeader('Transfer-Encoding'))
.expect(204, '', done);
})
})
describe('when .statusCode is 304', function(){
it('should strip Content-* fields, Transfer-Encoding field, and body', function(done){
var app = express();
app.use(function(req, res){
res.status(304).set('Transfer-Encoding', 'chunked').send('foo');
});
request(app)
.get('/')
.expect(utils.shouldNotHaveHeader('Content-Type'))
.expect(utils.shouldNotHaveHeader('Content-Length'))
.expect(utils.shouldNotHaveHeader('Transfer-Encoding'))
.expect(304, '', done);
})
})
it('should always check regardless of length', function(done){
var app = express();
var etag = '"asdf"';
app.use(function(req, res, next){
res.set('ETag', etag);
res.send('hey');
});
request(app)
.get('/')
.set('If-None-Match', etag)
.expect(304, done);
})
it('should respond with 304 Not Modified when fresh', function(done){
var app = express();
var etag = '"asdf"';
app.use(function(req, res){
var str = Array(1000).join('-');
res.set('ETag', etag);
res.send(str);
});
request(app)
.get('/')
.set('If-None-Match', etag)
.expect(304, done);
})
it('should not perform freshness check unless 2xx or 304', function(done){
var app = express();
var etag = '"asdf"';
app.use(function(req, res, next){
res.status(500);
res.set('ETag', etag);
res.send('hey');
});
request(app)
.get('/')
.set('If-None-Match', etag)
.expect('hey')
.expect(500, done);
})
it('should not support jsonp callbacks', function(done){
var app = express();
app.use(function(req, res){
res.send({ foo: 'bar' });
});
request(app)
.get('/?callback=foo')
.expect('{"foo":"bar"}', done);
})
describe('"etag" setting', function () {
describe('when enabled', function () {
it('should send ETag', function (done) {
var app = express();
app.use(function (req, res) {
res.send('kajdslfkasdf');
});
app.enable('etag');
request(app)
.get('/')
.expect('ETag', 'W/"c-IgR/L5SF7CJQff4wxKGF/vfPuZ0"')
.expect(200, done);
});
methods.forEach(function (method) {
if (method === 'connect') return;
it('should send ETag in response to ' + method.toUpperCase() + ' request', function (done) {
var app = express();
app[method]('/', function (req, res) {
res.send('kajdslfkasdf');
});
request(app)
[method]('/')
.expect('ETag', 'W/"c-IgR/L5SF7CJQff4wxKGF/vfPuZ0"')
.expect(200, done);
})
});
it('should send ETag for empty string response', function (done) {
var app = express();
app.use(function (req, res) {
res.send('');
});
app.enable('etag');
request(app)
.get('/')
.expect('ETag', 'W/"0-2jmj7l5rSw0yVb/vlWAYkK/YBwk"')
.expect(200, done);
})
it('should send ETag for long response', function (done) {
var app = express();
app.use(function (req, res) {
var str = Array(1000).join('-');
res.send(str);
});
app.enable('etag');
request(app)
.get('/')
.expect('ETag', 'W/"3e7-qPnkJ3CVdVhFJQvUBfF10TmVA7g"')
.expect(200, done);
});
it('should not override ETag when manually set', function (done) {
var app = express();
app.use(function (req, res) {
res.set('etag', '"asdf"');
res.send(200);
});
app.enable('etag');
request(app)
.get('/')
.expect('ETag', '"asdf"')
.expect(200, done);
});
it('should not send ETag for res.send()', function (done) {
var app = express();
app.use(function (req, res) {
res.send();
});
app.enable('etag');
request(app)
.get('/')
.expect(utils.shouldNotHaveHeader('ETag'))
.expect(200, done);
})
});
describe('when disabled', function () {
it('should send no ETag', function (done) {
var app = express();
app.use(function (req, res) {
var str = Array(1000).join('-');
res.send(str);
});
app.disable('etag');
request(app)
.get('/')
.expect(utils.shouldNotHaveHeader('ETag'))
.expect(200, done);
});
it('should send ETag when manually set', function (done) {
var app = express();
app.disable('etag');
app.use(function (req, res) {
res.set('etag', '"asdf"');
res.send(200);
});
request(app)
.get('/')
.expect('ETag', '"asdf"')
.expect(200, done);
});
});
describe('when "strong"', function () {
it('should send strong ETag', function (done) {
var app = express();
app.set('etag', 'strong');
app.use(function (req, res) {
res.send('hello, world!');
});
request(app)
.get('/')
.expect('ETag', '"d-HwnTDHB9U/PRbFMN1z1wps51lqk"')
.expect(200, done);
})
})
describe('when "weak"', function () {
it('should send weak ETag', function (done) {
var app = express();
app.set('etag', 'weak');
app.use(function (req, res) {
res.send('hello, world!');
});
request(app)
.get('/')
.expect('ETag', 'W/"d-HwnTDHB9U/PRbFMN1z1wps51lqk"')
.expect(200, done)
})
})
describe('when a function', function () {
it('should send custom ETag', function (done) {
var app = express();
app.set('etag', function (body, encoding) {
var chunk = !Buffer.isBuffer(body)
? new Buffer(body, encoding)
: body;
chunk.toString().should.equal('hello, world!');
return '"custom"';
});
app.use(function (req, res) {
res.send('hello, world!');
});
request(app)
.get('/')
.expect('ETag', '"custom"')
.expect(200, done);
})
it('should not send falsy ETag', function (done) {
var app = express();
app.set('etag', function (body, encoding) {
return undefined;
});
app.use(function (req, res) {
res.send('hello, world!');
});
request(app)
.get('/')
.expect(utils.shouldNotHaveHeader('ETag'))
.expect(200, done);
})
})
})
})