The Tor Browser: toolkit/components/telemetry/tests/unit/test_ThirdPartyCookieProbe.js@b8a032363ba2 (annotated)

toolkit/components/telemetry/tests/unit/test_ThirdPartyCookieProbe.js@b8a032363ba2 (annotated)

toolkit/components/telemetry/tests/unit/test_ThirdPartyCookieProbe.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* Any copyright is dedicated to the Public Domain.
    http://creativecommons.org/publicdomain/zero/1.0/ */
 let Cu = Components.utils;
 let Cc = Components.classes;
 let Ci = Components.interfaces;
 Cu.import("resource://gre/modules/Services.jsm", this);
 Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
 Cu.import("resource://gre/modules/ThirdPartyCookieProbe.jsm", this);
 Cu.import("resource://gre/modules/Promise.jsm", this);
 Cu.import("resource://gre/modules/TelemetryPing.jsm", this);
 let TOPIC_ACCEPTED = "third-party-cookie-accepted";
 let TOPIC_REJECTED = "third-party-cookie-rejected";
 let FLUSH_MILLISECONDS = 1000 * 60 * 60 * 24 / 2; /*Half a day, for testing purposes*/
 const NUMBER_OF_REJECTS = 30;
 const NUMBER_OF_ACCEPTS = 17;
 const NUMBER_OF_REPEATS = 5;
 let gCookieService;
 let gThirdPartyCookieProbe;
 let gHistograms = {
   clear: function() {
     this.sitesAccepted.clear();
     this.requestsAccepted.clear();
     this.sitesRejected.clear();
     this.requestsRejected.clear();
   }
 };
 function run_test() {
   do_print("Initializing environment");
   do_get_profile();
   createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
   gCookieService = Cc["@mozilla.org/cookieService;1"].getService(Ci.nsICookieService);
   do_print("Initializing ThirdPartyCookieProbe.jsm");
   gThirdPartyCookieProbe = new ThirdPartyCookieProbe();
   gThirdPartyCookieProbe.init();
   do_print("Acquiring histograms");
   gHistograms.sitesAccepted =
     Services.telemetry.getHistogramById("COOKIES_3RDPARTY_NUM_SITES_ACCEPTED");
   gHistograms.sitesRejected =
     Services.telemetry.getHistogramById("COOKIES_3RDPARTY_NUM_SITES_BLOCKED"),
   gHistograms.requestsAccepted =
     Services.telemetry.getHistogramById("COOKIES_3RDPARTY_NUM_ATTEMPTS_ACCEPTED");
   gHistograms.requestsRejected =
     Services.telemetry.getHistogramById("COOKIES_3RDPARTY_NUM_ATTEMPTS_BLOCKED"),
   run_next_test();
 }
 /**
  * Utility function: try to set a cookie with the given document uri and referrer uri.
  *
  * @param obj An object with the following fields
  * - {string} request The uri of the request setting the cookie.
  * - {string} referrer The uri of the referrer for this request.
  */
 function tryToSetCookie(obj) {
   let requestURI = Services.io.newURI(obj.request, null, null);
   let referrerURI = Services.io.newURI(obj.referrer, null, null);
   let requestChannel = Services.io.newChannelFromURI(requestURI);
   gCookieService.setCookieString(referrerURI, null, "Is there a cookie in my jar?", requestChannel);
 }
 function wait(ms) {
   let deferred = Promise.defer();
   do_timeout(ms, () => deferred.resolve());
   return deferred.promise;
 }
 function oneTest(tld, flushUptime, check) {
   gHistograms.clear();
   do_print("Testing with tld " + tld);
   do_print("Adding rejected entries");
   Services.prefs.setIntPref("network.cookie.cookieBehavior",
 /*reject third-party cookies*/);
   for (let i = 0; i < NUMBER_OF_REJECTS; ++i) {
     for (let j = 0; j < NUMBER_OF_REPEATS; ++j) {
       for (let prefix of ["http://", "https://"]) {
         // Histogram sitesRejected should only count
         // NUMBER_OF_REJECTS entries.
         // Histogram requestsRejected should count
         // NUMBER_OF_REJECTS * NUMBER_OF_REPEATS * 2
         tryToSetCookie({
           request: prefix + "echelon" + tld,
           referrer: prefix + "domain" + i + tld
         });
       }
     }
   }
   do_print("Adding accepted entries");
   Services.prefs.setIntPref("network.cookie.cookieBehavior",
 /*accept third-party cookies*/);
   for (let i = 0; i < NUMBER_OF_ACCEPTS; ++i) {
     for (let j = 0; j < NUMBER_OF_REPEATS; ++j) {
       for (let prefix of ["http://", "https://"]) {
         // Histogram sitesAccepted should only count
         // NUMBER_OF_ACCEPTS entries.
         // Histogram requestsAccepted should count
         // NUMBER_OF_ACCEPTS * NUMBER_OF_REPEATS * 2
         tryToSetCookie({
             request: prefix + "prism" + tld,
             referrer: prefix + "domain" + i + tld
           });
       }
     }
   }
   do_print("Checking that the histograms have not changed before ping()");
   do_check_eq(gHistograms.sitesAccepted.snapshot().sum, 0);
   do_check_eq(gHistograms.sitesRejected.snapshot().sum, 0);
   do_check_eq(gHistograms.requestsAccepted.snapshot().sum, 0);
   do_check_eq(gHistograms.requestsRejected.snapshot().sum, 0);
   do_print("Checking that the resulting histograms are correct");
   if (flushUptime != null) {
     let now = Date.now();
     let before = now - flushUptime;
     gThirdPartyCookieProbe._latestFlush = before;
     gThirdPartyCookieProbe.flush(now);
   } else {
     gThirdPartyCookieProbe.flush();
   }
   check();
 }
 add_task(function() {
   // To ensure that we work correctly with eTLD, test with several suffixes
   for (let tld of [".com", ".com.ar", ".co.uk", ".gouv.fr"]) {
     oneTest(tld, FLUSH_MILLISECONDS, function() {
       do_check_eq(gHistograms.sitesAccepted.snapshot().sum, NUMBER_OF_ACCEPTS * 2);
       do_check_eq(gHistograms.sitesRejected.snapshot().sum, NUMBER_OF_REJECTS * 2);
       do_check_eq(gHistograms.requestsAccepted.snapshot().sum, NUMBER_OF_ACCEPTS * NUMBER_OF_REPEATS * 2 * 2);
       do_check_eq(gHistograms.requestsRejected.snapshot().sum, NUMBER_OF_REJECTS * NUMBER_OF_REPEATS * 2 * 2);
     });
   }
   // Check that things still work with default uptime management
   for (let tld of [".com", ".com.ar", ".co.uk", ".gouv.fr"]) {
     yield wait(1000); // Ensure that uptime is at least one second
     oneTest(tld, null, function() {
       do_check_true(gHistograms.sitesAccepted.snapshot().sum > 0);
       do_check_true(gHistograms.sitesRejected.snapshot().sum > 0);
       do_check_true(gHistograms.requestsAccepted.snapshot().sum > 0);
       do_check_true(gHistograms.requestsRejected.snapshot().sum > 0);
     });
   }
 });
 add_task(function() {
   gThirdPartyCookieProbe.dispose();
 });