gecko/services/sync/tests/unit/test_utils_passphrase.js

Cu.import("resource://services-sync/util.js");

function run_test() {
  _("Generated passphrase has length 26.");
  let pp = Utils.generatePassphrase();
  do_check_eq(pp.length, 26);

  const key = "abcdefghijkmnpqrstuvwxyz23456789";
  _("Passphrase only contains [" + key + "].");
  do_check_true(pp.split('').every(function(chr) key.indexOf(chr) != -1));

  _("Hyphenated passphrase has 5 hyphens.");
  let hyphenated = Utils.hyphenatePassphrase(pp);
  _("H: " + hyphenated);
  do_check_eq(hyphenated.length, 31);
  do_check_eq(hyphenated[1], '-');
  do_check_eq(hyphenated[7], '-');
  do_check_eq(hyphenated[13], '-');
  do_check_eq(hyphenated[19], '-');
  do_check_eq(hyphenated[25], '-');
  do_check_eq(pp,
      hyphenated.slice(0, 1) + hyphenated.slice(2, 7)
      + hyphenated.slice(8, 13) + hyphenated.slice(14, 19)
      + hyphenated.slice(20, 25) + hyphenated.slice(26, 31));

  _("Arbitrary hyphenation.");
  // We don't allow invalid characters for our base32 character set.
  do_check_eq(Utils.hyphenatePassphrase("1234567"), "2-34567");  // Not partial, so no trailing dash.
  do_check_eq(Utils.hyphenatePassphrase("1234567890"), "2-34567-89");
  do_check_eq(Utils.hyphenatePassphrase("abcdeabcdeabcdeabcdeabcde"), "a-bcdea-bcdea-bcdea-bcdea-bcde");
  do_check_eq(Utils.hyphenatePartialPassphrase("1234567"), "2-34567-");
  do_check_eq(Utils.hyphenatePartialPassphrase("1234567890"), "2-34567-89");
  do_check_eq(Utils.hyphenatePartialPassphrase("abcdeabcdeabcdeabcdeabcde"), "a-bcdea-bcdea-bcdea-bcdea-bcde");
  
  do_check_eq(Utils.hyphenatePartialPassphrase("a"), "a-");
  do_check_eq(Utils.hyphenatePartialPassphrase("1234567"), "2-34567-");
  do_check_eq(Utils.hyphenatePartialPassphrase("a-bcdef-g"),
              "a-bcdef-g");
  do_check_eq(Utils.hyphenatePartialPassphrase("abcdefghijklmnop"),
              "a-bcdef-ghijk-mnp");
  do_check_eq(Utils.hyphenatePartialPassphrase("abcdefghijklmnopabcde"),
              "a-bcdef-ghijk-mnpab-cde");
  do_check_eq(Utils.hyphenatePartialPassphrase("a-bcdef-ghijk-LMNOP-ABCDE-Fg"),
              "a-bcdef-ghijk-mnpab-cdefg-");
  // Cuts off.
  do_check_eq(Utils.hyphenatePartialPassphrase("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").length, 31);
        
  

  _("Normalize passphrase recognizes hyphens.");
  do_check_eq(Utils.normalizePassphrase(hyphenated), pp);

  _("Passphrase strength calculated according to the NIST algorithm.");
  do_check_eq(Utils.passphraseStrength(""), 0);
  do_check_eq(Utils.passphraseStrength("a"), 4);
  do_check_eq(Utils.passphraseStrength("ab"), 6);
  do_check_eq(Utils.passphraseStrength("abc"), 8);
  do_check_eq(Utils.passphraseStrength("abcdefgh"), 18);
  do_check_eq(Utils.passphraseStrength("abcdefghi"), 19.5);
  do_check_eq(Utils.passphraseStrength("abcdefghij"), 21);
  do_check_eq(Utils.passphraseStrength("abcdefghijklmnopqrst"), 36);
  do_check_eq(Utils.passphraseStrength("abcdefghijklmnopqrstu"), 37);
  do_check_eq(Utils.passphraseStrength("abcdefghijklmnopqrstuvwxyz"), 42);
  do_check_eq(Utils.passphraseStrength("abcdefghijklmnopqrstuvwxyz!"), 49);
  do_check_eq(Utils.passphraseStrength("1"), 10);
  do_check_eq(Utils.passphraseStrength("12"), 12);
  do_check_eq(Utils.passphraseStrength("a1"), 12);
}