gecko/parser/htmlparser/tests/mochitest/parser_web_testrunner.js

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 * for the specific language governing rights and limitations under the
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 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
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 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Robert Sayre <sayrer@gmail.com>
 *
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/**
 * Runs html5lib-formatted test cases in the browser. Requires SimpleTest.
 *
 * Define an array named parserDatFiles before loading this script,
 * and it will load each of those dat files into an array, then run
 * the test parser on each and run the tests by assigning the input
 * data to an iframe's url.
 *
 * Your test document should have an element with id "display" and
 * an iframe with id "testframe".
 */

function writeErrorSummary(input, expected, got, isTodo) {
  if (!isTodo) {
    appendChildNodes($("display"), H2("Unexpected Failure:"));
  }
  appendChildNodes(
    $("display"), BR(),
    SPAN("Matched: "), "" + (expected == got),
    P("Input: " + input),
    PRE("Expected:\n|" + expected +"|", "\n-\n",
        "Output:\n|" + got + "|\n\n"),
    HR()
  );
}

/**
 * Control will bounce back and forth between nextTest() and the
 * event handler returned by makeTestChecker() until the 'testcases'
 * iterator is spent.
 */
function makeTestChecker(input, expected, errors) {
  return function (e) {
    var domAsString = docToTestOutput(e.target.contentDocument);
    // It's possible we need to reorder attributes to get these to match
    if (expected == domAsString) {
      is(domAsString, expected, "HTML5 expected success. " + new Date());
    } else {
      var reorderedDOM = reorderToMatchExpected(domAsString, expected);
      if (html5Exceptions[input]) {
        todo(reorderedDOM == expected, "HTML5 expected failure. " + new Date());
        writeErrorSummary(input, expected, reorderedDOM, true);
      } else {
        if (reorderedDOM != expected) {
          is(reorderedDOM, expected, "HTML5 unexpected failure. " + input + " " + new Date());
          writeErrorSummary(input, expected, reorderedDOM, false);
        } else {
          is(reorderedDOM, expected, "HTML5 expected success. " + new Date());
        }
      }
    }
    nextTest(e.target);
  } 
}

var testcases;
function nextTest(testframe) {
  var test = 0;
  try {
    var [input, output, errors] = testcases.next();
    dataURL = "data:text/html;base64," + btoa(input);
    testframe.onload = makeTestChecker(input, output, errors);
    testframe.src = dataURL;
  } catch (err if err instanceof StopIteration) {
    netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
    prefService.setBoolPref("html5.enable", origPref);
    SimpleTest.finish();
  }
}

var framesLoaded = [];
function frameLoaded(e) {
  framesLoaded.push(e.target);
  if (framesLoaded.length == parserDatFiles.length) {
    var tests = [scrapeText(ifr.contentDocument)
                 for each (ifr in framesLoaded)];
    testcases = test_parser(tests);    
    nextTest($("testframe"));

    //SimpleTest.finish();
  }
}

/**
 * Create an iframe for each dat file
 */
function makeIFrames() {
  for each (var filename in parserDatFiles) {
    var datFrame = document.createElement("iframe");
    datFrame.onload = frameLoaded;
    datFrame.src = filename;
    $("display").appendChild(datFrame);
  }
  appendChildNodes($("display"), BR(), "Results: ", HR());
}

netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var prefService = Components.classes["@mozilla.org/preferences-service;1"]
                  .getService(Components.interfaces.nsIPrefBranch)
                  .QueryInterface(Components.interfaces.nsIPrefService);
var origPref = prefService.getBoolPref("html5.enable");
prefService.setBoolPref("html5.enable", true);
addLoadEvent(makeIFrames);
SimpleTest.waitForExplicitFinish();