gecko-dev/testing/mochitest/browser-harness.xul

<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<window id="browserTestHarness"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        onload="TestStart();"
        title="Browser chrome tests"
        width="1024">
  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/MozillaLogger.js"/>
  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/LogController.js"/>
  <script type="application/javascript" src="chrome://mochikit/content/chrome-harness.js"/>
  <script type="application/javascript" src="chrome://mochikit/content/chunkifyTests.js"/>
  <style xmlns="http://www.w3.org/1999/xhtml"><![CDATA[
    #results {
      margin: 5px;
      background-color: window;
      -moz-user-select: text;
    }

    #summary {
      color: white;
      border: 2px solid black;
    }

    #summary.success {
      background-color: #0d0;
    }

    #summary.failure {
      background-color: red;
    }

    #summary.todo {
      background-color: orange;
    }

    .info {
      color: grey;
    }

    .failed {
      color: red;
      font-weight: bold;
    }

    .testHeader {
      margin-top: 1em;
    }

    p {
      margin: 0.1em;
    }

    a {
      color: blue;
      text-decoration: underline;
    }
  ]]></style>
  <script type="application/javascript;version=1.7"><![CDATA[
    if (Cc === undefined) {
      var Cc = Components.classes;
      var Ci = Components.interfaces;
    }
    
    var gConfig;

    var gDumper = {
      get fileLogger() {
        let logger = null;
        if (gConfig.logFile) {
          try {
            logger = new MozillaFileLogger(gConfig.logFile)
          } catch (ex) {
            dump("TEST-UNEXPECTED-FAIL | (browser-harness.xul) | " +
                 "Error trying to log to " + gConfig.logFile + ": " + ex + "\n");
          }
        }
        delete this.fileLogger;
        return this.fileLogger = logger;
      },

      dump: function (str) {
        dump(str);

        if (this.fileLogger)
          this.fileLogger._foStream.write(str, str.length);
      },

      done: function () {
        if (this.fileLogger)
          this.fileLogger.close();
      }
    }

    function TestStart() {
      gConfig = readConfig();

      // If MochiTest was started with the --test-path flag specifying a subset
      // of tests to run, put that path in the label of the "Run Tests" button
      // so the tester knows which tests will run when they press that button.
      if (gConfig.testPath)
        document.getElementById("runTestsButton").label =
          "Run " + gConfig.testPath + " tests";

      if (gConfig.autorun)
        setTimeout(runTests, 0);
    }

    var gErrorCount = 0;

    function browserTest(aTestFile) {
      this.path = aTestFile;
      this.dumper = gDumper;
      this.results = [];
      this.scope = null;
      this.duration = 0;
    }
    browserTest.prototype = {
      get passCount() {
        return this.results.filter(function (t) !t.info && !t.todo && t.pass).length;
      },
      get todoCount() {
        return this.results.filter(function (t) !t.info && t.todo && t.pass).length;
      },
      get failCount() {
        return this.results.filter(function (t) !t.info && !t.pass).length;
      },

      addResult: function addResult(result) {
        this.results.push(result);

        this.dumper.dump(result.result + " | " + this.path + " | " + result.msg + "\n");
      },

      setDuration: function setDuration(duration) {
        this.duration = duration;
      },

      get htmlLog() {
        let txtToHTML = Cc["@mozilla.org/txttohtmlconv;1"].
                        getService(Ci.mozITXTToHTMLConv);
        function _entityEncode(str) {
          return txtToHTML.scanTXT(str, Ci.mozITXTToHTMLConv.kEntities);
        }
        var path = _entityEncode(this.path);
        var html = this.results.map(function (t) {
          var classname = t.info ? "info" : "result " + (t.pass ? "passed" : "failed");
          var text = t.result + " | " + path + " | " + _entityEncode(t.msg);
          if (!t.info && !t.pass) {
            return '<p class="' + classname + '" id=\"ERROR' + (gErrorCount++) + '">' +
                   text + " <a href=\"javascript:scrollTo('ERROR" + gErrorCount + "')\">NEXT ERROR</a></p>";
          }
          return '<p class="' + classname + '">' + text + "</p>";
        }).join("\n");
        if (this.duration) {
          html += "<p class=\"info\">TEST-END | " + path + " | finished in " +
                  this.duration + " ms</p>";
        }
        return html;
      }
    };

    // Returns an array of browserTest objects for all the selected tests
    function listTests() {
      var links = getTestList();
      if (!links)
        return [];

      // load server.js in so we can share template functions
      var scriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
                           getService(Ci.mozIJSSubScriptLoader);
      var srvScope = {};
      scriptLoader.loadSubScript('chrome://mochikit/content/server.js',
                                 srvScope);

      var fileNames = [];
      var fileNameRegexp = /browser_.+\.js$/;
      srvScope.arrayOfTestFiles(links, fileNames, fileNameRegexp);

      if (gConfig.totalChunks && gConfig.thisChunk) {
        fileNames = chunkifyTests(fileNames, gConfig.totalChunks,
                                  gConfig.thisChunk, gConfig.chunkByDir);
      }

      return fileNames.map(function (f) new browserTest(f));
    }

    function setStatus(aStatusString) {
      document.getElementById("status").value = aStatusString;
    }

    function runTests() {
      var windowMediator = Cc['@mozilla.org/appshell/window-mediator;1'].
                             getService(Ci.nsIWindowMediator);
      var winType = gConfig.testRoot == "browser" ? "navigator:browser" :
                    gConfig.testRoot == "metro" ? "navigator:browser" :
                    gConfig.testRoot == "webapprtChrome" ? "webapprt:webapp" :
                    null;
      if (!winType) {
        throw new Error("Unrecognized gConfig.testRoot: " + gConfig.testRoot);
      }
      var testWin = windowMediator.getMostRecentWindow(winType);

      setStatus("Running...");
      testWin.focus();
      var Tester = new testWin.Tester(listTests(), gDumper, testsFinished);
      Tester.start();
    }

    function sum(a, b) {
      return a + b;
    }

    function getHTMLLogFromTests(aTests) {
      if (!aTests.length)
        return "<div id=\"summary\" class=\"failure\">No tests to run." +
                 " Did you pass an invalid --test-path?</div>";

      var log = "";

      var passCount = aTests.map(function (f) f.passCount).reduce(sum);
      var failCount = aTests.map(function (f) f.failCount).reduce(sum);
      var todoCount = aTests.map(function (f) f.todoCount).reduce(sum);
      log += "<div id=\"summary\" class=\"";
      log += failCount != 0 ? "failure" :
               passCount == 0 ? "todo" : "success";
      log += "\">\n<p>Passed: " + passCount + "</p>\n" +
             "<p>Failed: " + failCount;
      if (failCount > 0)
        log += " <a href=\"javascript:scrollTo('ERROR0')\">NEXT ERROR</a>";
      log += "</p>\n" +
             "<p>Todo: " + todoCount + "</p>\n</div>\n<div id=\"log\">\n";

      return log + aTests.map(function (f) {
                                return "<p class=\"testHeader\">Running " + f.path + "...</p>\n" + f.htmlLog;
                              }).join("\n") + "</div>";
    }

    function testsFinished(aTests) {
      // Focus our window, to display the results
      window.focus();

      if (gConfig.closeWhenDone) {
        let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci.nsIAppStartup);
        appStartup.quit(Ci.nsIAppStartup.eForceQuit);
        return;
      }

      // UI
      document.getElementById("results").innerHTML = getHTMLLogFromTests(aTests);
      setStatus("Done.");
    }

    function scrollTo(id) {
      var line = document.getElementById(id);
      if (!line)
        return;

      var boxObject = document.getElementById("results").parentNode.boxObject;
      boxObject.QueryInterface(Components.interfaces.nsIScrollBoxObject);
      boxObject.scrollToElement(line);
    }
  ]]></script>
  <button id="runTestsButton" oncommand="runTests();" label="Run All Tests"/>
  <label id="status"/>
  <scrollbox flex="1" style="overflow: auto" align="stretch">
    <div id="results" xmlns="http://www.w3.org/1999/xhtml" flex="1"/>
  </scrollbox>
</window>