var response = require('../context').response; var assert = require('assert'); var fs = require('fs'); describe('res.body=', function(){ describe('when Content-Type is set', function(){ it('should not override', function(){ var res = response(); res.type = 'png'; res.body = new Buffer('something'); assert('image/png' == res.header['content-type']); }) describe('when body is an object', function(){ it('should override as json', function(){ var res = response(); res.body = 'hey'; assert('text/html; charset=utf-8' == res.header['content-type']); res.body = { foo: 'bar' }; assert('application/json; charset=utf-8' == res.header['content-type']); }) }) it('should override length', function(){ var res = response(); res.type = 'html'; res.body = 'something'; res.length.should.equal(9); }) }) describe('when a string is given', function(){ it('should default to text', function(){ var res = response(); res.body = 'Tobi'; assert('text/plain; charset=utf-8' == res.header['content-type']); }) it('should set length', function(){ var res = response(); res.body = 'Tobi'; assert('4' == res.header['content-length']); }) describe('and contains a non-leading <', function(){ it('should default to text', function(){ var res = response(); res.body = 'aklsdjf < klajsdlfjasd'; assert('text/plain; charset=utf-8' == res.header['content-type']); }) }) }) describe('when an html string is given', function(){ it('should default to html', function(){ var res = response(); res.body = '

Tobi

'; assert('text/html; charset=utf-8' == res.header['content-type']); }) it('should set length', function(){ var string = '

Tobi

'; var res = response(); res.body = string; assert.equal(res.length, Buffer.byteLength(string)); }) it('should set length when body is overridden', function(){ var string = '

Tobi

'; var res = response(); res.body = string; res.body = string + string; assert.equal(res.length, 2 * Buffer.byteLength(string)); }) describe('when it contains leading whitespace', function(){ it('should default to html', function(){ var res = response(); res.body = '

Tobi

'; assert('text/html; charset=utf-8' == res.header['content-type']); }) }) }) describe('when an xml string is given', function(){ it('should default to html', function(){ /** * This test is to show that we're not going * to be stricter with the html sniff * or that we will sniff other string types. * You should `.type=` if this simple test fails. */ var res = response(); res.body = '\n<俄语>данные'; assert('text/html; charset=utf-8' == res.header['content-type']); }) }) describe('when a stream is given', function(){ it('should default to an octet stream', function(){ var res = response(); res.body = fs.createReadStream('LICENSE'); assert('application/octet-stream' == res.header['content-type']); }) }) describe('when a buffer is given', function(){ it('should default to an octet stream', function(){ var res = response(); res.body = new Buffer('hey'); assert('application/octet-stream' == res.header['content-type']); }) it('should set length', function(){ var res = response(); res.body = new Buffer('Tobi'); assert('4' == res.header['content-length']); }) }) describe('when an object is given', function(){ it('should default to json', function(){ var res = response(); res.body = { foo: 'bar' }; assert('application/json; charset=utf-8' == res.header['content-type']); }) }) })