File: test-http-upgrade-agent.js

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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// Verify that the 'upgrade' header causes an 'upgrade' event to be emitted to
// the HTTP client. This test uses a raw TCP server to better control server
// behavior.

var common = require('../common');
var assert = require('assert');

var http = require('http');
var net = require('net');

// Create a TCP server
var srv = net.createServer(function(c) {
  var data = '';
  c.on('data', function(d) {
    data += d.toString('utf8');

    c.write('HTTP/1.1 101\r\n');
    c.write('hello: world\r\n');
    c.write('connection: upgrade\r\n');
    c.write('upgrade: websocket\r\n');
    c.write('\r\n');
    c.write('nurtzo');
  });

  c.on('end', function() {
    c.end();
  });
});

var gotUpgrade = false;

srv.listen(common.PORT, '127.0.0.1', function() {

  var options = {
    port: common.PORT,
    host: '127.0.0.1',
    headers: {
      'upgrade': 'websocket'
    }
  };
  var name = options.host + ':' + options.port;

  var req = http.request(options);
  req.end();

  req.on('upgrade', function(res, socket, upgradeHead) {
    // XXX: This test isn't fantastic, as it assumes that the entire response
    //      from the server will arrive in a single data callback
    assert.equal(upgradeHead, 'nurtzo');

    console.log(res.headers);
    var expectedHeaders = { 'hello': 'world',
                            'connection': 'upgrade',
                            'upgrade': 'websocket' };
    assert.deepEqual(expectedHeaders, res.headers);

    // Make sure this request got removed from the pool.
    assert(!http.globalAgent.sockets.hasOwnProperty(name));

    req.on('close', function() {
      socket.end();
      srv.close();

      gotUpgrade = true;
    });
  });

});

process.on('exit', function() {
  assert.ok(gotUpgrade);
});