91 lines
1.9 KiB
JavaScript
91 lines
1.9 KiB
JavaScript
'use strict'
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var express = require('..');
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var request = require('supertest');
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var utils = require('./support/utils');
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describe('res.vary()', function(){
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describe('with no arguments', function(){
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it('should throw error', function (done) {
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var app = express();
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app.use(function (req, res) {
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res.vary();
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res.end();
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});
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request(app)
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.get('/')
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.expect(500, /field.*required/, done)
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})
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})
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describe('with an empty array', function(){
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it('should not set Vary', function (done) {
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var app = express();
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app.use(function (req, res) {
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res.vary([]);
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res.end();
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});
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request(app)
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.get('/')
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.expect(utils.shouldNotHaveHeader('Vary'))
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.expect(200, done);
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})
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})
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describe('with an array', function(){
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it('should set the values', function (done) {
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var app = express();
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app.use(function (req, res) {
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res.vary(['Accept', 'Accept-Language', 'Accept-Encoding']);
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res.end();
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});
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request(app)
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.get('/')
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.expect('Vary', 'Accept, Accept-Language, Accept-Encoding')
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.expect(200, done);
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})
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})
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describe('with a string', function(){
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it('should set the value', function (done) {
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var app = express();
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app.use(function (req, res) {
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res.vary('Accept');
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res.end();
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});
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request(app)
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.get('/')
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.expect('Vary', 'Accept')
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.expect(200, done);
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})
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})
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describe('when the value is present', function(){
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it('should not add it again', function (done) {
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var app = express();
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app.use(function (req, res) {
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res.vary('Accept');
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res.vary('Accept-Encoding');
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res.vary('Accept-Encoding');
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res.vary('Accept-Encoding');
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res.vary('Accept');
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res.end();
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});
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request(app)
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.get('/')
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.expect('Vary', 'Accept, Accept-Encoding')
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.expect(200, done);
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})
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})
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})
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