gecko-dev/netwerk/test/unit/test_simple.js

//
//  Simple HTTP test: fetches page
//

// Note: sets Cc and Ci variables

Cu.import("resource://testing-common/httpd.js");
Cu.import("resource://gre/modules/Services.jsm");

var httpserver = new HttpServer();
var testpath = "/simple";
var httpbody = "0123456789";
var buffer = "";

var dbg=0
if (dbg) { print("============== START =========="); }

function run_test() {
  setup_test();
  do_test_pending();
}

function setup_test() {
  if (dbg) { print("============== setup_test: in"); }
  httpserver.registerPathHandler(testpath, serverHandler);
  httpserver.start(-1);
  var channel = setupChannel(testpath);
  // ChannelListener defined in head_channels.js
  channel.asyncOpen(new ChannelListener(checkRequest, channel), null);
  if (dbg) { print("============== setup_test: out"); }
}

function setupChannel(path) {
  var ios = Cc["@mozilla.org/network/io-service;1"].
                       getService(Ci.nsIIOService);
  var chan = ios.newChannel2("http://localhost:" +
                             httpserver.identity.primaryPort + path,
                             "",
                             null,
                             null,      // aLoadingNode
                             Services.scriptSecurityManager.getSystemPrincipal(),
                             null,      // aTriggeringPrincipal
                             Ci.nsILoadInfo.SEC_NORMAL,
                             Ci.nsIContentPolicy.TYPE_OTHER);
  chan.QueryInterface(Ci.nsIHttpChannel);
  chan.requestMethod = "GET";
  return chan;
}

function serverHandler(metadata, response) {
  if (dbg) { print("============== serverHandler: in"); }
  response.setHeader("Content-Type", "text/plain", false);
  response.bodyOutputStream.write(httpbody, httpbody.length);
  if (dbg) { print("============== serverHandler: out"); }
}

function checkRequest(request, data, context) {
  if (dbg) { print("============== checkRequest: in"); }
  do_check_eq(data, httpbody);
  httpserver.stop(do_test_finished);
  if (dbg) { print("============== checkRequest: out"); }
}