escaper.js 2.27 KB
// Load modules

var Lab = require('lab');
var Hoek = require('../lib');


// Declare internals

var internals = {};


// Test shortcuts

var expect = Lab.expect;
var before = Lab.before;
var after = Lab.after;
var describe = Lab.experiment;
var it = Lab.test;


describe('Hoek', function () {

    describe('#escapeJavaScript', function () {

        it('encodes / characters', function (done) {

            var encoded = Hoek.escapeJavaScript('<script>alert(1)</script>');
            expect(encoded).to.equal('\\x3cscript\\x3ealert\\x281\\x29\\x3c\\x2fscript\\x3e');
            done();
        });

        it('encodes \' characters', function (done) {

            var encoded = Hoek.escapeJavaScript('something(\'param\')');
            expect(encoded).to.equal('something\\x28\\x27param\\x27\\x29');
            done();
        });

        it('encodes large unicode characters with the correct padding', function (done) {

            var encoded = Hoek.escapeJavaScript(String.fromCharCode(500) + String.fromCharCode(1000));
            expect(encoded).to.equal('\\u0500\\u1000');
            done();
        });

        it('doesn\'t throw an exception when passed null', function (done) {

            var encoded = Hoek.escapeJavaScript(null);
            expect(encoded).to.equal('');
            done();
        });
    });

    describe('#escapeHtml', function () {

        it('encodes / characters', function (done) {

            var encoded = Hoek.escapeHtml('<script>alert(1)</script>');
            expect(encoded).to.equal('&lt;script&gt;alert&#x28;1&#x29;&lt;&#x2f;script&gt;');
            done();
        });

        it('encodes < and > as named characters', function (done) {

            var encoded = Hoek.escapeHtml('<script><>');
            expect(encoded).to.equal('&lt;script&gt;&lt;&gt;');
            done();
        });

        it('encodes large unicode characters', function (done) {

            var encoded = Hoek.escapeHtml(String.fromCharCode(500) + String.fromCharCode(1000));
            expect(encoded).to.equal('&#500;&#1000;');
            done();
        });

        it('doesn\'t throw an exception when passed null', function (done) {

            var encoded = Hoek.escapeHtml(null);
            expect(encoded).to.equal('');
            done();
        });
    });
});