extensions/cookie/test/unit/test_domain_eviction.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/extensions/cookie/test/unit/test_domain_eviction.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,153 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 +   http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +// Test that domain eviction occurs when the cookies per base domain limit is
     1.8 +// reached, and that expired cookies are evicted before live cookies.
     1.9 +
    1.10 +let test_generator = do_run_test();
    1.11 +
    1.12 +function run_test()
    1.13 +{
    1.14 +  do_test_pending();
    1.15 +  do_run_generator(test_generator);
    1.16 +}
    1.17 +
    1.18 +function continue_test()
    1.19 +{
    1.20 +  do_run_generator(test_generator);
    1.21 +}
    1.22 +
    1.23 +function do_run_test()
    1.24 +{
    1.25 +  // Set the base domain limit to 50 so we have a known value.
    1.26 +  Services.prefs.setIntPref("network.cookie.maxPerHost", 50);
    1.27 +
    1.28 +  let futureExpiry = Math.floor(Date.now() / 1000 + 1000);
    1.29 +
    1.30 +  // test eviction under the 50 cookies per base domain limit. this means
    1.31 +  // that cookies for foo.com and bar.foo.com should count toward this limit,
    1.32 +  // while cookies for baz.com should not. there are several tests we perform
    1.33 +  // to make sure the base domain logic is working correctly.
    1.34 +
    1.35 +  // 1) simplest case: set 100 cookies for "foo.bar" and make sure 50 survive.
    1.36 +  setCookies("foo.bar", 100, futureExpiry);
    1.37 +  do_check_eq(countCookies("foo.bar", "foo.bar"), 50);
    1.38 +
    1.39 +  // 2) set cookies for different subdomains of "foo.baz", and an unrelated
    1.40 +  // domain, and make sure all 50 within the "foo.baz" base domain are counted.
    1.41 +  setCookies("foo.baz", 10, futureExpiry);
    1.42 +  setCookies(".foo.baz", 10, futureExpiry);
    1.43 +  setCookies("bar.foo.baz", 10, futureExpiry);
    1.44 +  setCookies("baz.bar.foo.baz", 10, futureExpiry);
    1.45 +  setCookies("unrelated.domain", 50, futureExpiry);
    1.46 +  do_check_eq(countCookies("foo.baz", "baz.bar.foo.baz"), 40);
    1.47 +  setCookies("foo.baz", 20, futureExpiry);
    1.48 +  do_check_eq(countCookies("foo.baz", "baz.bar.foo.baz"), 50);
    1.49 +
    1.50 +  // 3) ensure cookies are evicted by order of lastAccessed time, if the
    1.51 +  // limit on cookies per base domain is reached.
    1.52 +  setCookies("horse.radish", 10, futureExpiry);
    1.53 +
    1.54 +  // Wait a while, to make sure the first batch of cookies is older than
    1.55 +  // the second (timer resolution varies on different platforms).
    1.56 +  do_timeout(100, continue_test);
    1.57 +  yield;
    1.58 +
    1.59 +  setCookies("tasty.horse.radish", 50, futureExpiry);
    1.60 +  do_check_eq(countCookies("horse.radish", "horse.radish"), 50);
    1.61 +
    1.62 +  let enumerator = Services.cookiemgr.enumerator;
    1.63 +  while (enumerator.hasMoreElements()) {
    1.64 +    let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
    1.65 +
    1.66 +    if (cookie.host == "horse.radish")
    1.67 +      do_throw("cookies not evicted by lastAccessed order");
    1.68 +  }
    1.69 +
    1.70 +  // Test that expired cookies for a domain are evicted before live ones.
    1.71 +  let shortExpiry = Math.floor(Date.now() / 1000 + 2);
    1.72 +  setCookies("captchart.com", 49, futureExpiry);
    1.73 +  Services.cookiemgr.add("captchart.com", "", "test100", "eviction",
    1.74 +    false, false, false, shortExpiry);
    1.75 +  do_timeout(2100, continue_test);
    1.76 +  yield;
    1.77 +
    1.78 +  do_check_eq(countCookies("captchart.com", "captchart.com"), 50);
    1.79 +  Services.cookiemgr.add("captchart.com", "", "test200", "eviction",
    1.80 +    false, false, false, futureExpiry);
    1.81 +  do_check_eq(countCookies("captchart.com", "captchart.com"), 50);
    1.82 +
    1.83 +  let enumerator = Services.cookiemgr.getCookiesFromHost("captchart.com");
    1.84 +  while (enumerator.hasMoreElements()) {
    1.85 +    let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
    1.86 +    do_check_true(cookie.expiry == futureExpiry);
    1.87 +  }
    1.88 +
    1.89 +  do_finish_generator_test(test_generator);
    1.90 +}
    1.91 +
    1.92 +// set 'aNumber' cookies with host 'aHost', with distinct names.
    1.93 +function
    1.94 +setCookies(aHost, aNumber, aExpiry)
    1.95 +{
    1.96 +  for (let i = 0; i < aNumber; ++i)
    1.97 +    Services.cookiemgr.add(aHost, "", "test" + i, "eviction",
    1.98 +      false, false, false, aExpiry);
    1.99 +}
   1.100 +
   1.101 +// count how many cookies are within domain 'aBaseDomain', using three
   1.102 +// independent interface methods on nsICookieManager2:
   1.103 +// 1) 'enumerator', an enumerator of all cookies;
   1.104 +// 2) 'countCookiesFromHost', which returns the number of cookies within the
   1.105 +//    base domain of 'aHost',
   1.106 +// 3) 'getCookiesFromHost', which returns an enumerator of 2).
   1.107 +function
   1.108 +countCookies(aBaseDomain, aHost)
   1.109 +{
   1.110 +  let enumerator = Services.cookiemgr.enumerator;
   1.111 +
   1.112 +  // count how many cookies are within domain 'aBaseDomain' using the cookie
   1.113 +  // enumerator.
   1.114 +  let cookies = [];
   1.115 +  while (enumerator.hasMoreElements()) {
   1.116 +    let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
   1.117 +
   1.118 +    if (cookie.host.length >= aBaseDomain.length &&
   1.119 +        cookie.host.slice(cookie.host.length - aBaseDomain.length) == aBaseDomain)
   1.120 +      cookies.push(cookie);
   1.121 +  }
   1.122 +
   1.123 +  // confirm the count using countCookiesFromHost and getCookiesFromHost.
   1.124 +  let result = cookies.length;
   1.125 +  do_check_eq(Services.cookiemgr.countCookiesFromHost(aBaseDomain),
   1.126 +    cookies.length);
   1.127 +  do_check_eq(Services.cookiemgr.countCookiesFromHost(aHost), cookies.length);
   1.128 +
   1.129 +  enumerator = Services.cookiemgr.getCookiesFromHost(aHost);
   1.130 +  while (enumerator.hasMoreElements()) {
   1.131 +    let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
   1.132 +
   1.133 +    if (cookie.host.length >= aBaseDomain.length &&
   1.134 +        cookie.host.slice(cookie.host.length - aBaseDomain.length) == aBaseDomain) {
   1.135 +      let found = false;
   1.136 +      for (let i = 0; i < cookies.length; ++i) {
   1.137 +        if (cookies[i].host == cookie.host && cookies[i].name == cookie.name) {
   1.138 +          found = true;
   1.139 +          cookies.splice(i, 1);
   1.140 +          break;
   1.141 +        }
   1.142 +      }
   1.143 +
   1.144 +      if (!found)
   1.145 +        do_throw("cookie " + cookie.name + " not found in master enumerator");
   1.146 +
   1.147 +    } else {
   1.148 +      do_throw("cookie host " + cookie.host + " not within domain " + aBaseDomain);
   1.149 +    }
   1.150 +  }
   1.151 +
   1.152 +  do_check_eq(cookies.length, 0);
   1.153 +
   1.154 +  return result;
   1.155 +}
   1.156 +

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