setup-node/node_modules/tunnel/test/http-over-http.js
2019-08-03 21:49:54 -04:00

108 lines
3.1 KiB
JavaScript

var http = require('http');
var net = require('net');
var should = require('should');
var tunnel = require('../index');
describe('HTTP over HTTP', function() {
it('should finish without error', function(done) {
var serverPort = 3000;
var proxyPort = 3001;
var poolSize = 3;
var N = 10;
var serverConnect = 0;
var proxyConnect = 0;
var clientConnect = 0;
var server;
var proxy;
var agent;
server = http.createServer(function(req, res) {
tunnel.debug('SERVER: got request');
++serverConnect;
res.writeHead(200);
res.end('Hello' + req.url);
tunnel.debug('SERVER: sending response');
});
server.listen(serverPort, setupProxy);
function setupProxy() {
proxy = http.createServer(function(req, res) {
should.fail();
});
proxy.on('upgrade', onConnect); // for v0.6
proxy.on('connect', onConnect); // for v0.7 or later
function onConnect(req, clientSocket, head) {
tunnel.debug('PROXY: got CONNECT request');
req.method.should.equal('CONNECT');
req.url.should.equal('localhost:' + serverPort);
req.headers.should.not.have.property('transfer-encoding');
req.headers.should.have.property('proxy-authorization',
'Basic ' + new Buffer('user:password').toString('base64'));
++proxyConnect;
tunnel.debug('PROXY: creating a tunnel');
var serverSocket = net.connect(serverPort, function() {
tunnel.debug('PROXY: replying to client CONNECT request');
clientSocket.write('HTTP/1.1 200 Connection established\r\n\r\n');
clientSocket.pipe(serverSocket);
serverSocket.write(head);
serverSocket.pipe(clientSocket);
// workaround, see joyent/node#2524
serverSocket.on('end', function() {
clientSocket.end();
});
});
}
proxy.listen(proxyPort, setupClient);
}
function setupClient() {
agent = tunnel.httpOverHttp({
maxSockets: poolSize,
proxy: {
port: proxyPort,
proxyAuth: 'user:password'
}
});
for (var i = 0; i < N; ++i) {
doClientRequest(i);
}
function doClientRequest(i) {
tunnel.debug('CLIENT: Making HTTP request (%d)', i);
var req = http.get({
port: serverPort,
path: '/' + i,
agent: agent
}, function(res) {
tunnel.debug('CLIENT: got HTTP response (%d)', i);
res.setEncoding('utf8');
res.on('data', function(data) {
data.should.equal('Hello/' + i);
});
res.on('end', function() {
++clientConnect;
if (clientConnect === N) {
proxy.close();
server.close();
}
});
});
}
}
server.on('close', function() {
serverConnect.should.equal(N);
proxyConnect.should.equal(poolSize);
clientConnect.should.equal(N);
agent.sockets.should.be.empty;
agent.requests.should.be.empty;
done();
});
});
});