| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Common testing utilities. |
| |
| /** |
| * Shortcut for document.getElementById. |
| * @param {string} id of the element. |
| * @return {HTMLElement} with the id. |
| */ |
| function $(id) { |
| return document.getElementById(id); |
| } |
| |
| /** |
| * @constructor |
| */ |
| var TestUtils = function() {}; |
| |
| /** |
| * Extracts some inlined html encoded as a comment inside a function, |
| * so you can use it like this: |
| * |
| * this.appendDoc(function() {/*! |
| * <p>Html goes here</p> |
| * * /}); |
| * |
| * @param {Function} commentEncodedHtml The html , embedded as a |
| * comment inside an anonymous function - see example, above. |
| * @param {!Array=} opt_args Optional arguments to be substituted in the form |
| * $0, ... within the code block. |
| * @return {string} The html text. |
| */ |
| TestUtils.extractHtmlFromCommentEncodedString = function( |
| commentEncodedHtml, opt_args) { |
| var stringified = commentEncodedHtml.toString(); |
| if (opt_args) { |
| for (var i = 0; i < opt_args.length; i++) |
| stringified = stringified.replace('$' + i, opt_args[i]); |
| } |
| return stringified.replace(/^[^\/]+\/\*!?/, '').replace(/\*\/[^\/]+$/, ''); |
| }; |
| |
| |
| /** |
| * Creates a data url for a document. |
| * @param {function() : void} doc Snippet wrapped inside of a function. |
| * @return {string} |
| */ |
| TestUtils.createUrlForDoc = function(doc) { |
| var docString = TestUtils.extractHtmlFromCommentEncodedString(doc); |
| return 'data:text/html,<!doctype html>' + |
| encodeURIComponent(TestUtils.collapseWhitespace( |
| docString.replace(/[\n\r]/g, '').trim())); |
| }; |
| |
| /** |
| * Collapses inner whitespace. |
| * @param {string} str |
| * @return {string} |
| */ |
| TestUtils.collapseWhitespace = function(str) { |
| return str.replace(/\s+/g, ' ').replace(/^\s+|\s+$/g, ''); |
| }; |
| |
| /** |
| * Similar to |TEST_F|. Generates a test for the given |testFixture|, |
| * |testName|, and |testFunction|. |
| * Used this variant when an |isAsync| fixture wants to temporarily mix in an |
| * sync test. |
| * @param {string} testFixture Fixture name. |
| * @param {string} testName Test name. |
| * @param {function} testFunction The test impl. |
| */ |
| function SYNC_TEST_F(testFixture, testName, testFunction) { |
| TEST_F(testFixture, testName, function() { |
| this.newCallback(testFunction)(); |
| }); |
| } |
