text: 'use strict';
  
  const assert = require('assert');
  
  const request = require('../helpers/context').request;
  
  describe('req.hostname', function () {
    it('should return hostname void of port', function () {
      const req = request();
      req.header.host = 'foo.com:3000';
      req.hostname.should.equal('foo.com');
    });
  
    describe('with no host present', function () {
      it('should return ""', function () {
        const req = request();
        assert.equal(req.hostname, '');
      });
    });
  
    describe('when X-Forwarded-Host is present', function () {
      describe('and proxy is not trusted', function () {
        it('should be ignored', function () {
          const req = request();
          req.header['x-forwarded-host'] = 'bar.com';
          req.header.host = 'foo.com';
          req.hostname.should.equal('foo.com');
        });
      });
  
      describe('and proxy is trusted', function () {
        it('should be used', function () {
          const req = request();
          req.app.proxy = true;
          req.header['x-forwarded-host'] = 'bar.com, baz.com';
          req.header.host = 'foo.com';
          req.hostname.should.equal('bar.com');
        });
      });
    });
  });
  