var response = require('../context').response; describe('res.lastModified', function(){ it('should set the header as a UTCString', function(){ var res = response(); var date = new Date(); res.lastModified = date; res.header['last-modified'].should.equal(date.toUTCString()); }) it('should work with date strings', function(){ var res = response(); var date = new Date(); res.lastModified = date.toString(); res.header['last-modified'].should.equal(date.toUTCString()); }) it('should get the header as a Date', function(){ // Note: Date() removes milliseconds, but it's practically important. var res = response(); var date = new Date(); res.lastModified = date; (res.lastModified.getTime() / 1000) .should.equal(Math.floor(date.getTime() / 1000)); }) describe('when lastModified not set', function (){ it('should get undefined', function(){ var res = response(); (res.lastModified === undefined).should.be.ok; }) }) })