koa-lite/test/response/vary.js
2015-10-13 09:23:57 +02:00

34 lines
912 B
JavaScript

'use strict';
const context = require('../helpers/context');
describe('ctx.vary(field)', function(){
describe('when Vary is not set', function(){
it('should set it', function(){
const ctx = context();
ctx.vary('Accept');
ctx.response.header.vary.should.equal('Accept');
});
});
describe('when Vary is set', function(){
it('should append', function(){
const ctx = context();
ctx.vary('Accept');
ctx.vary('Accept-Encoding');
ctx.response.header.vary.should.equal('Accept, Accept-Encoding');
});
});
describe('when Vary already contains the value', function(){
it('should not append', function(){
const ctx = context();
ctx.vary('Accept');
ctx.vary('Accept-Encoding');
ctx.vary('Accept');
ctx.vary('Accept-Encoding');
ctx.response.header.vary.should.equal('Accept, Accept-Encoding');
});
});
});