test_utils_makeGUID.js

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const base64url =

  "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_";

function run_test() {

  _("Make sure makeGUID makes guids of the right length/characters");

  _("Create a bunch of guids to make sure they don't conflict");

  let guids = [];

  for (let i = 0; i < 1000; i++) {

    let newGuid = Utils.makeGUID();

    _("Generated " + newGuid);

    // Verify that the GUID's length is correct, even when it's URL encoded.

    Assert.equal(newGuid.length, 12);

    Assert.equal(encodeURIComponent(newGuid).length, 12);

    // Verify that the GUID only contains base64url characters

    Assert.ok(

      Array.prototype.every.call(newGuid, function (chr) {

        return base64url.includes(chr);

})

);

    // Verify that Utils.checkGUID() correctly identifies them as valid.

    Assert.ok(Utils.checkGUID(newGuid));

    // Verify uniqueness within our sample of 1000. This could cause random

    // failures, but they should be extremely rare. Otherwise we'd have a

    // problem with GUID collisions.

    Assert.ok(

      guids.every(function (g) {

        return g != newGuid;

})

);

    guids.push(newGuid);

  _("Make sure checkGUID fails for invalid GUIDs");

  Assert.ok(!Utils.checkGUID(undefined));

  Assert.ok(!Utils.checkGUID(null));

  Assert.ok(!Utils.checkGUID(""));

  Assert.ok(!Utils.checkGUID("blergh"));

  Assert.ok(!Utils.checkGUID("ThisGUIDisWayTooLong"));

  Assert.ok(!Utils.checkGUID("Invalid!!!!!"));