set-headers/test/index.js

Express/Connect middleware to set response headers based on globs

var headers = require('../');
var connect = require('connect');
var request = require('supertest');

var defaultHeaders = {
  '/test1': {
    'Content-Type': 'mime/type'
  },
  '/test3': {
    'Access-Control-Allow-Origin': 'https://www.example.net'
  },
  '/api/**': {
    'Access-Control-Allow-Origin': '*'
  }
};

describe('cors middleware', function() {
  
  it('serves custom content types', function (done) {
    
    var app = connect()
      .use(headers(defaultHeaders))
      .use(okay);

    request(app)
      .get('/test1')
      .expect(200)
      .expect('Content-Type', 'mime/type')
      .end(done);
  });
  
  it('serves custom access control headers', function (done) {
    
    var app = connect()
      .use(headers(defaultHeaders))
      .use(okay);

    request(app)
      .get('/test3')
      .expect(200)
      .expect('Access-Control-Allow-Origin', 'https://www.example.net')
      .end(done);
  });
  
  it('uses routing rules', function (done) {
    
    var app = connect()
      .use(headers(defaultHeaders))
      .use(okay);
    
    request(app)
      .get('/api/whatever/you/wish')
      .expect(200)
      .expect('Access-Control-Allow-Origin', '*')
      .end(done);
  });
  
  it('uses glob negation to set headers' , function (done) {
    
    var app = connect()
      .use(headers({
        '!/anything/**': {
          'custom-header': 'for testing'
        }
      }))
      .use(okay);
    
    request(app)
      .get('/something')
      .expect(200)
      .expect('custom-header', 'for testing')
      .end(done);
  });
  
  function okay (req, res, next) {
    
    res.writeHead(200);
    res.end();
  }
});