Andreas Hocevar
123 lines
4.1 KiB
JavaScript
123 lines
4.1 KiB
JavaScript
// Copyright 2013 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview Unit tests for goog.html.util.
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*/
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goog.provide('goog.html.UtilsTest');
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goog.require('goog.array');
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goog.require('goog.dom.TagName');
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goog.require('goog.html.utils');
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goog.require('goog.object');
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goog.require('goog.testing.jsunit');
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goog.setTestOnly('goog.html.UtilsTest');
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var FAILURE_MESSAGE = 'Failed to strip all HTML.';
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var STRIP = 'Hello world!';
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var result;
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function tearDown() {
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result = null;
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}
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function testStripAllHtmlTagsSingle() {
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goog.object.forEach(goog.dom.TagName, function(tag) {
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result = goog.html.utils.stripHtmlTags(makeHtml_(tag, STRIP));
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assertEquals(FAILURE_MESSAGE, STRIP, result);
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});
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}
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function testStripAllHtmlTagsAttribute() {
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goog.object.forEach(goog.dom.TagName, function(tag) {
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result = goog.html.utils.stripHtmlTags(makeHtml_(tag, STRIP, 1, 0, 'a'));
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assertEquals(FAILURE_MESSAGE, STRIP, result);
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});
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}
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function testStripAllHtmlTagsDouble() {
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var tag1 = goog.dom.TagName.B;
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var tag2 = goog.dom.TagName.DIV;
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result = goog.html.utils.stripHtmlTags(makeHtml_(tag1, STRIP, 2));
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assertEquals(FAILURE_MESSAGE, STRIP + STRIP, result);
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result = goog.html.utils.stripHtmlTags(makeHtml_(tag2, STRIP, 2));
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assertEquals(FAILURE_MESSAGE, STRIP + ' ' + STRIP, result);
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}
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function testComplex() {
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var html = '<h1 id=\"life\">Life at Google</h1>' +
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'<p>Read and interact with the information below to learn about ' +
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'life at <u>Google</u>.</p>' +
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'<h2 id=\"food\">Food at Google</h2>' +
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'<p>Google has <em>the best food in the world</em>.</p>' +
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'<h2 id=\"transportation\">Transportation at Google</h2>' +
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'<p>Google provides <i>free transportation</i>.</p>' +
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// Some text with symbols to make sure that it does not get stripped
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'<3i><x>\n-10<x<10 3cat < 3dog &<>"';
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result = goog.html.utils.stripHtmlTags(html);
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var expected = 'Life at Google ' +
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'Read and interact with the information below to learn about ' +
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'life at Google. ' +
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'Food at Google ' +
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'Google has the best food in the world. ' +
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'Transportation at Google ' +
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'Google provides free transportation. ' +
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'-10<x<10 3cat < 3dog &<>\"';
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assertEquals(FAILURE_MESSAGE, expected, result);
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}
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function testInteresting() {
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result = goog.html.utils.stripHtmlTags(
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'<img/src="bogus"onerror=alert(13) style="display:none">');
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assertEquals(FAILURE_MESSAGE, '', result);
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result = goog.html.utils.stripHtmlTags(
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'<img o\'reilly blob src=bogus onerror=alert(1337)>');
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assertEquals(FAILURE_MESSAGE, '', result);
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}
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/**
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* Constructs the HTML of an element from the given tag and content.
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* @param {goog.dom.TagName} tag The HTML tagName for the element.
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* @param {string} content The content.
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* @param {number=} opt_copies Optional number of copies to make.
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* @param {number=} opt_tabIndex Optional tabIndex to give the element.
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* @param {string=} opt_id Optional id to give the element.
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* @return {string} The HTML of an element from the given tag and content.
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*/
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function makeHtml_(tag, content, opt_copies, opt_tabIndex, opt_id) {
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var html = ['<' + tag, '>' + content + '</' + tag + '>'];
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if (goog.isNumber(opt_tabIndex)) {
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goog.array.insertAt(html, ' tabIndex=\"' + opt_tabIndex + '\"', 1);
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}
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if (goog.isString(opt_id)) {
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goog.array.insertAt(html, ' id=\"' + opt_id + '\"', 1);
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}
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html = html.join('');
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var array = [];
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for (var i = 0, length = opt_copies || 1; i < length; i++) {
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array[i] = html;
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}
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return array.join('');
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}
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