node/test/simple/test-http-client-agent.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// 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,
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// 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,
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// USE OR OTHER DEALINGS IN THE SOFTWARE.

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

var name = 'localhost:' + common.PORT;
var max = 3;
var count = 0;

var server = http.Server(function(req, res) {
  if (req.url === '/0') {
    setTimeout(function() {
      res.writeHead(200);
      res.end('Hello, World!');
    }, 100);
  } else {
    res.writeHead(200);
    res.end('Hello, World!');
  }
});
server.listen(common.PORT, function() {
  for (var i = 0; i < max; ++i) {
    request(i);
  }
});

function request(i) {
  var req = http.get({
    port: common.PORT,
    path: '/' + i
  }, function(res) {
    var socket = req.socket;
    socket.on('close', function() {
      ++count;
      assert.equal(http.globalAgent.sockets[name].length, max - count);
      assert.equal(http.globalAgent.sockets[name].indexOf(socket), -1);
      if (count === max) {
        server.close();
      }
    });
  });
}

process.on('exit', function() {
  assert.equal(count, max);
});