michael@0: /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0:  
michael@0: /**
michael@0:  * Runs html5lib-formatted test cases in the browser. Requires SimpleTest.
michael@0:  *
michael@0:  * Define an array named parserDatFiles before loading this script,
michael@0:  * and it will load each of those dat files into an array, then run
michael@0:  * the test parser on each and run the tests by assigning the input
michael@0:  * data to an iframe's url.
michael@0:  *
michael@0:  * Your test document should have an element with id "display" and
michael@0:  * an iframe with id "testframe".
michael@0:  */
michael@0: 
michael@0: var functionsToRunAsync = [];
michael@0: 
michael@0: window.addEventListener("message", function(event) {
michael@0:   if (event.source == window && event.data == "async-run") {
michael@0:     event.stopPropagation();
michael@0:     var fn = functionsToRunAsync.shift();
michael@0:     fn();
michael@0:   }
michael@0: }, true);
michael@0: 
michael@0: function asyncRun(fn) {
michael@0:   functionsToRunAsync.push(fn);
michael@0:   window.postMessage("async-run", "*");
michael@0: }
michael@0: 
michael@0: function writeErrorSummary(input, expected, got, isTodo) {
michael@0:   if (isTodo) {
michael@0:     $("display").appendChild(createEl('h2', null, "Unexpected Success:"));
michael@0:   } else {
michael@0:     $("display").appendChild(createEl('h2', null, "Unexpected Failure:"));
michael@0:   }
michael@0:   $("display").appendChild(createEl('br'));
michael@0:   $("display").appendChild(createEl('span', null, "Matched: "));
michael@0:   $("display").appendChild(document.createTextNode("" + (expected == got)));
michael@0:   var pre = createEl('pre');
michael@0:   pre.appendChild(document.createTextNode("Input: \n" + input, "\n-\n"));
michael@0:   pre.appendChild(document.createTextNode("Expected:\n" + expected, "\n-\n"));
michael@0:   pre.appendChild(document.createTextNode("Output:\n" + got + "\n-\n"));
michael@0:   $("display").appendChild(pre);
michael@0:   $("display").appendChild(createEl('hr'));
michael@0: }
michael@0: 
michael@0: /**
michael@0:  * Control will bounce back and forth between nextTest() and the
michael@0:  * event handler returned by makeTestChecker() or the callback returned by
michael@0:  * makeFragmentTestChecker() until the 'testcases' iterator is spent.
michael@0:  */
michael@0: function makeTestChecker(input, expected, errors) {
michael@0:   return function (e) {
michael@0:     var domAsString = docToTestOutput(e.target.contentDocument);
michael@0:     if (html5Exceptions[input]) {
michael@0:       todo_is(domAsString, expected, "HTML5 expected success.");
michael@0:       if (domAsString == expected) {
michael@0:         writeErrorSummary(input, expected, domAsString, true);
michael@0:       }
michael@0:     } else {
michael@0:       is(domAsString, expected, "HTML5 expected success.");
michael@0:       if (domAsString != expected) {
michael@0:         writeErrorSummary(input, expected, domAsString, false);
michael@0:       }
michael@0:     }
michael@0:     nextTest(e.target);
michael@0:   } 
michael@0: }
michael@0: 
michael@0: function makeFragmentTestChecker(input, 
michael@0:                                  expected, 
michael@0:                                  errors, 
michael@0:                                  fragment, 
michael@0:                                  testframe) {
michael@0:   return function () {
michael@0:     var context = document.createElementNS("http://www.w3.org/1999/xhtml",
michael@0:                                            fragment);
michael@0:     context.innerHTML = input;
michael@0:     var domAsString = fragmentToTestOutput(context);
michael@0:     is(domAsString, expected, "HTML5 expected success. " + new Date());
michael@0:     if (domAsString != expected) {
michael@0:       writeErrorSummary(input, expected, domAsString, false);
michael@0:     }
michael@0:     nextTest(testframe);
michael@0:   } 
michael@0: }
michael@0: 
michael@0: var testcases;
michael@0: function nextTest(testframe) {
michael@0:   var test = 0;
michael@0:   try {
michael@0:     var [input, output, errors, fragment] = testcases.next();
michael@0:     if (fragment) {
michael@0:       asyncRun(makeFragmentTestChecker(input, 
michael@0:                                        output, 
michael@0:                                        errors, 
michael@0:                                        fragment, 
michael@0:                                        testframe));
michael@0:     } else {
michael@0:       dataURL = "data:text/html;charset=utf-8," + encodeURIComponent(input);
michael@0:       testframe.onload = makeTestChecker(input, output, errors);
michael@0:       testframe.src = dataURL;
michael@0:     }
michael@0:   } catch (err if err instanceof StopIteration) {
michael@0:     SimpleTest.finish();
michael@0:   }
michael@0: }
michael@0: 
michael@0: var testFileContents = [];
michael@0: function loadNextTestFile() {
michael@0:   var datFile = parserDatFiles.shift();
michael@0:   if (datFile) {
michael@0:     var xhr = new XMLHttpRequest();
michael@0:     xhr.onreadystatechange = function () {
michael@0:       if (this.readyState == 4) {
michael@0:         testFileContents.push(this.responseText);
michael@0:         loadNextTestFile();
michael@0:       }
michael@0:     };
michael@0:     xhr.open("GET", "html5lib_tree_construction/" + datFile);
michael@0:     xhr.send();
michael@0:   } else {
michael@0:     testcases = test_parser(testFileContents);
michael@0:     nextTest($("testframe"));
michael@0:   }
michael@0: }
michael@0: 
michael@0: addLoadEvent(loadNextTestFile);
michael@0: SimpleTest.waitForExplicitFinish();