netwerk/test/unit/test_bug561276.js

   1 //
   2 // Verify that we hit the net if we discover a cycle of redirects
   3 // coming from cache.
   4 //
   5
   6 "use strict";
   7
   8 const { HttpServer } = ChromeUtils.importESModule(
   9   "resource://testing-common/httpd.sys.mjs"
  10 );
  11
  12 var httpserver = new HttpServer();
  13 var iteration = 0;
  14
  15 function setupChannel(suffix) {
  16   var chan = NetUtil.newChannel({
  17     uri: "http://localhost:" + httpserver.identity.primaryPort + suffix,
  18     loadUsingSystemPrincipal: true,
  19   });
  20   var httpChan = chan.QueryInterface(Ci.nsIHttpChannel);
  21   httpChan.requestMethod = "GET";
  22   return httpChan;
  23 }
  24
  25 function checkValueAndTrigger(request, data, ctx) {
  26   Assert.equal("Ok", data);
  27   httpserver.stop(do_test_finished);
  28 }
  29
  30 function run_test() {
  31   httpserver.registerPathHandler("/redirect1", redirectHandler1);
  32   httpserver.registerPathHandler("/redirect2", redirectHandler2);
  33   httpserver.start(-1);
  34
  35   // clear cache
  36   evict_cache_entries();
  37
  38   // load first time
  39   var channel = setupChannel("/redirect1");
  40   channel.asyncOpen(new ChannelListener(checkValueAndTrigger, null));
  41
  42   do_test_pending();
  43 }
  44
  45 function redirectHandler1(metadata, response) {
  46   // first time we return a cacheable 302 pointing to next redirect
  47   if (iteration < 1) {
  48     response.setStatusLine(metadata.httpVersion, 302, "Found");
  49     response.setHeader("Cache-Control", "max-age=600", false);
  50     response.setHeader("Location", "/redirect2", false);
  51
  52     // next time called we return 200
  53   } else {
  54     response.setStatusLine(metadata.httpVersion, 200, "Ok");
  55     response.setHeader("Cache-Control", "max-age=600", false);
  56     response.setHeader("Content-Type", "text/plain");
  57     response.bodyOutputStream.write("Ok", "Ok".length);
  58   }
  59   iteration += 1;
  60 }
  61
  62 function redirectHandler2(metadata, response) {
  63   response.setStatusLine(metadata.httpVersion, 302, "Found");
  64   response.setHeader("Cache-Control", "max-age=600", false);
  65   response.setHeader("Location", "/redirect1", false);
  66 }