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103 lines
2.5 KiB
103 lines
2.5 KiB
// Load modules
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var Code = require('code');
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var Cryptiles = require('..');
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var Lab = require('lab');
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// Declare internals
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var internals = {};
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// Test shortcuts
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var lab = exports.lab = Lab.script();
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var describe = lab.describe;
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var it = lab.it;
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var expect = Code.expect;
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describe('randomString()', function () {
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it('should generate the right length string', function (done) {
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for (var i = 1; i <= 1000; ++i) {
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expect(Cryptiles.randomString(i).length).to.equal(i);
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}
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done();
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});
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it('returns an error on invalid bits size', function (done) {
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expect(Cryptiles.randomString(99999999999999999999).message).to.match(/Failed generating random bits/);
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done();
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});
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});
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describe('randomBits()', function () {
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it('returns an error on invalid input', function (done) {
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expect(Cryptiles.randomBits(0).message).to.equal('Invalid random bits count');
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done();
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});
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});
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describe('fixedTimeComparison()', function () {
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var a = Cryptiles.randomString(50000);
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var b = Cryptiles.randomString(150000);
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it('should take the same amount of time comparing different string sizes', function (done) {
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var now = Date.now();
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Cryptiles.fixedTimeComparison(b, a);
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var t1 = Date.now() - now;
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now = Date.now();
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Cryptiles.fixedTimeComparison(b, b);
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var t2 = Date.now() - now;
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expect(t2 - t1).to.be.within(-20, 20);
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done();
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});
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it('should return true for equal strings', function (done) {
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expect(Cryptiles.fixedTimeComparison(a, a)).to.equal(true);
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done();
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});
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it('should return false for different strings (size, a < b)', function (done) {
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expect(Cryptiles.fixedTimeComparison(a, a + 'x')).to.equal(false);
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done();
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});
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it('should return false for different strings (size, a > b)', function (done) {
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expect(Cryptiles.fixedTimeComparison(a + 'x', a)).to.equal(false);
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done();
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});
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it('should return false for different strings (size, a = b)', function (done) {
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expect(Cryptiles.fixedTimeComparison(a + 'x', a + 'y')).to.equal(false);
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done();
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});
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it('should return false when not a string', function (done) {
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expect(Cryptiles.fixedTimeComparison('x', null)).to.equal(false);
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done();
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});
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it('should return false when not a string (left)', function (done) {
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expect(Cryptiles.fixedTimeComparison(null, 'x')).to.equal(false);
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done();
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});
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});
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