move util in a util folder with the sanitizer

js/tests/unit/util/sanitizer.js

@@ -0,0 +1,51 @@
+$(function () {
+  'use strict'
+
+  QUnit.module('sanitizer', {
+    afterEach: function () {
+      $('#qunit-fixture').html('')
+    }
+  })
+
+  QUnit.test('should export a default white list', function (assert) {
+    assert.expect(1)
+
+    assert.ok(Sanitizer.DefaultWhitelist)
+  })
+
+  QUnit.test('should sanitize template by removing tags with XSS', function (assert) {
+    assert.expect(1)
+
+    var template = [
+      '<div>',
+      '  <a href="javascript:alert(7)">Click me</a>',
+      '  <span>Some content</span>',
+      '</div>'
+    ].join('')
+
+    var result = Sanitizer.sanitizeHtml(template, Sanitizer.DefaultWhitelist, null)
+
+    assert.strictEqual(result.indexOf('script'), -1)
+  })
+
+  QUnit.test('should not use native api to sanitize if a custom function passed', function (assert) {
+    assert.expect(2)
+
+    var template = [
+      '<div>',
+      '  <span>Some content</span>',
+      '</div>'
+    ].join('')
+
+    function mySanitize(htmlUnsafe) {
+      return htmlUnsafe
+    }
+
+    var spy = sinon.spy(DOMParser.prototype, 'parseFromString')
+    var result = Sanitizer.sanitizeHtml(template, Sanitizer.DefaultWhitelist, mySanitize)
+
+    assert.strictEqual(result, template)
+    assert.strictEqual(spy.called, false)
+    spy.restore()
+  })
+})