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// script.aculo.us unittest.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)

//           (c) 2005-2009 Jon Tirsen (http://www.tirsen.com)

//           (c) 2005-2009 Michael Schuerig (http://www.schuerig.de/michael/)

//

// script.aculo.us is freely distributable under the terms of an MIT-style license.

// For details, see the script.aculo.us web site: http://script.aculo.us/

// experimental, Firefox-only

Event.simulateMouse = function(element, eventName) {

  var options = Object.extend({

    pointerX: 0,

    pointerY: 0,

    buttons:  0,

    ctrlKey:  false,

    altKey:   false,

    shiftKey: false,

    metaKey:  false

  }, arguments[2] || {});

  var oEvent = document.createEvent("MouseEvents");

  oEvent.initMouseEvent(eventName, true, true, document.defaultView, 

    options.buttons, options.pointerX, options.pointerY, options.pointerX, options.pointerY, 

    options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, 0, $(element));

  if(this.mark) Element.remove(this.mark);

  this.mark = document.createElement('div');

  this.mark.appendChild(document.createTextNode(" "));

  document.body.appendChild(this.mark);

  this.mark.style.position = 'absolute';

  this.mark.style.top = options.pointerY + "px";

  this.mark.style.left = options.pointerX + "px";

  this.mark.style.width = "5px";

  this.mark.style.height = "5px;";

  this.mark.style.borderTop = "1px solid red;";

  this.mark.style.borderLeft = "1px solid red;";

  if(this.step)

    alert('['+new Date().getTime().toString()+'] '+eventName+'/'+Test.Unit.inspect(options));

  $(element).dispatchEvent(oEvent);

};

// Note: Due to a fix in Firefox 1.0.5/6 that probably fixed "too much", this doesn't work in 1.0.6 or DP2.

// You need to downgrade to 1.0.4 for now to get this working

// See https://bugzilla.mozilla.org/show_bug.cgi?id=289940 for the fix that fixed too much

Event.simulateKey = function(element, eventName) {

  var options = Object.extend({

    ctrlKey: false,

    altKey: false,

    shiftKey: false,

    metaKey: false,

    keyCode: 0,

    charCode: 0

  }, arguments[2] || {});

  var oEvent = document.createEvent("KeyEvents");

  oEvent.initKeyEvent(eventName, true, true, window, 

    options.ctrlKey, options.altKey, options.shiftKey, options.metaKey,

    options.keyCode, options.charCode );

  $(element).dispatchEvent(oEvent);

};

Event.simulateKeys = function(element, command) {

  for(var i=0; i<command.length; i++) {

    Event.simulateKey(element,'keypress',{charCode:command.charCodeAt(i)});

  }

};

var Test = {};

Test.Unit = {};

// security exception workaround

Test.Unit.inspect = Object.inspect;

Test.Unit.Logger = Class.create();

Test.Unit.Logger.prototype = {

  initialize: function(log) {

    this.log = $(log);

    if (this.log) {

      this._createLogTable();

    }

  },

  start: function(testName) {

    if (!this.log) return;

    this.testName = testName;

    this.lastLogLine = document.createElement('tr');

    this.statusCell = document.createElement('td');

    this.nameCell = document.createElement('td');

    this.nameCell.className = "nameCell";

    this.nameCell.appendChild(document.createTextNode(testName));

    this.messageCell = document.createElement('td');

    this.lastLogLine.appendChild(this.statusCell);

    this.lastLogLine.appendChild(this.nameCell);

    this.lastLogLine.appendChild(this.messageCell);

    this.loglines.appendChild(this.lastLogLine);

  },

  finish: function(status, summary) {

    if (!this.log) return;

    this.lastLogLine.className = status;

    this.statusCell.innerHTML = status;

    this.messageCell.innerHTML = this._toHTML(summary);

    this.addLinksToResults();

  },

  message: function(message) {

    if (!this.log) return;

    this.messageCell.innerHTML = this._toHTML(message);

  },

  summary: function(summary) {

    if (!this.log) return;

    this.logsummary.innerHTML = this._toHTML(summary);

  },

  _createLogTable: function() {

    this.log.innerHTML =

    '<div id="logsummary"></div>' +

    '<table id="logtable">' +

    '<thead><tr><th>Status</th><th>Test</th><th>Message</th></tr></thead>' +

    '<tbody id="loglines"></tbody>' +

    '</table>';

    this.logsummary = $('logsummary');

    this.loglines = $('loglines');

  },

  _toHTML: function(txt) {

    return txt.escapeHTML().replace(/\n/g,"<br/>");

  },

  addLinksToResults: function(){ 

    $$("tr.failed .nameCell").each( function(td){ // todo: limit to children of this.log

      td.title = "Run only this test";

      Event.observe(td, 'click', function(){ window.location.search = "?tests=" + td.innerHTML;});

    });

    $$("tr.passed .nameCell").each( function(td){ // todo: limit to children of this.log

      td.title = "Run all tests";

      Event.observe(td, 'click', function(){ window.location.search = "";});

    });

  }

};

Test.Unit.Runner = Class.create();

Test.Unit.Runner.prototype = {

  initialize: function(testcases) {

    this.options = Object.extend({

      testLog: 'testlog'

    }, arguments[1] || {});

    this.options.resultsURL = this.parseResultsURLQueryParameter();

    this.options.tests      = this.parseTestsQueryParameter();

    if (this.options.testLog) {

      this.options.testLog = $(this.options.testLog) || null;

    }

    if(this.options.tests) {

      this.tests = [];

      for(var i = 0; i < this.options.tests.length; i++) {

        if(/^test/.test(this.options.tests[i])) {

          this.tests.push(new Test.Unit.Testcase(this.options.tests[i], testcases[this.options.tests[i]], testcases["setup"], testcases["teardown"]));

        }

      }

    } else {

      if (this.options.test) {

        this.tests = [new Test.Unit.Testcase(this.options.test, testcases[this.options.test], testcases["setup"], testcases["teardown"])];

      } else {

        this.tests = [];

        for(var testcase in testcases) {

          if(/^test/.test(testcase)) {

            this.tests.push(

               new Test.Unit.Testcase(

                 this.options.context ? ' -> ' + this.options.titles[testcase] : testcase, 

                 testcases[testcase], testcases["setup"], testcases["teardown"]

               ));

          }

        }

      }

    }

    this.currentTest = 0;

    this.logger = new Test.Unit.Logger(this.options.testLog);

    setTimeout(this.runTests.bind(this), 1000);

  },

  parseResultsURLQueryParameter: function() {

    return window.location.search.parseQuery()["resultsURL"];

  },

  parseTestsQueryParameter: function(){

    if (window.location.search.parseQuery()["tests"]){

        return window.location.search.parseQuery()["tests"].split(',');

    };

  },

  // Returns:

  //  "ERROR" if there was an error,

  //  "FAILURE" if there was a failure, or

  //  "SUCCESS" if there was neither

  getResult: function() {

    var hasFailure = false;

    for(var i=0;i<this.tests.length;i++) {

      if (this.tests[i].errors > 0) {

        return "ERROR";

      }

      if (this.tests[i].failures > 0) {

        hasFailure = true;

      }

    }

    if (hasFailure) {

      return "FAILURE";

    } else {

      return "SUCCESS";

    }

  },

  postResults: function() {

    if (this.options.resultsURL) {

      new Ajax.Request(this.options.resultsURL, 

        { method: 'get', parameters: 'result=' + this.getResult(), asynchronous: false });

    }

  },

  runTests: function() {

    var test = this.tests[this.currentTest];

    if (!test) {

      // finished!

      this.postResults();

      this.logger.summary(this.summary());

      return;

    }

    if(!test.isWaiting) {

      this.logger.start(test.name);

    }

    test.run();

    if(test.isWaiting) {

      this.logger.message("Waiting for " + test.timeToWait + "ms");

      setTimeout(this.runTests.bind(this), test.timeToWait || 1000);

    } else {

      this.logger.finish(test.status(), test.summary());

      this.currentTest++;

      // tail recursive, hopefully the browser will skip the stackframe

      this.runTests();

    }

  },

  summary: function() {

    var assertions = 0;

    var failures = 0;

    var errors = 0;

    var messages = [];

    for(var i=0;i<this.tests.length;i++) {

      assertions +=   this.tests[i].assertions;

      failures   +=   this.tests[i].failures;

      errors     +=   this.tests[i].errors;

    }

    return (

      (this.options.context ? this.options.context + ': ': '') + 

      this.tests.length + " tests, " + 

      assertions + " assertions, " + 

      failures   + " failures, " +

      errors     + " errors");

  }

};

Test.Unit.Assertions = Class.create();

Test.Unit.Assertions.prototype = {

  initialize: function() {

    this.assertions = 0;

    this.failures   = 0;

    this.errors     = 0;

    this.messages   = [];

  },

  summary: function() {

    return (

      this.assertions + " assertions, " + 

      this.failures   + " failures, " +

      this.errors     + " errors" + "\n" +

      this.messages.join("\n"));

  },

  pass: function() {

    this.assertions++;

  },

  fail: function(message) {

    this.failures++;

    this.messages.push("Failure: " + message);

  },

  info: function(message) {

    this.messages.push("Info: " + message);

  },

  error: function(error) {

    this.errors++;

    this.messages.push(error.name + ": "+ error.message + "(" + Test.Unit.inspect(error) +")");

  },

  status: function() {

    if (this.failures > 0) return 'failed';

    if (this.errors > 0) return 'error';

    return 'passed';

  },

  assert: function(expression) {

    var message = arguments[1] || 'assert: got "' + Test.Unit.inspect(expression) + '"';

    try { expression ? this.pass() : 

      this.fail(message); }

    catch(e) { this.error(e); }

  },

  assertEqual: function(expected, actual) {

    var message = arguments[2] || "assertEqual";

    try { (expected == actual) ? this.pass() :

      this.fail(message + ': expected "' + Test.Unit.inspect(expected) + 

        '", actual "' + Test.Unit.inspect(actual) + '"'); }

    catch(e) { this.error(e); }

  },

  assertInspect: function(expected, actual) {

    var message = arguments[2] || "assertInspect";

    try { (expected == actual.inspect()) ? this.pass() :

      this.fail(message + ': expected "' + Test.Unit.inspect(expected) + 

        '", actual "' + Test.Unit.inspect(actual) + '"'); }

    catch(e) { this.error(e); }

  },

  assertEnumEqual: function(expected, actual) {

    var message = arguments[2] || "assertEnumEqual";

    try { $A(expected).length == $A(actual).length && 

      expected.zip(actual).all(function(pair) { return pair[0] == pair[1] }) ?

        this.pass() : this.fail(message + ': expected ' + Test.Unit.inspect(expected) + 

          ', actual ' + Test.Unit.inspect(actual)); }

    catch(e) { this.error(e); }

  },

  assertNotEqual: function(expected, actual) {

    var message = arguments[2] || "assertNotEqual";

    try { (expected != actual) ? this.pass() : 

      this.fail(message + ': got "' + Test.Unit.inspect(actual) + '"'); }

    catch(e) { this.error(e); }

  },

  assertIdentical: function(expected, actual) { 

    var message = arguments[2] || "assertIdentical"; 

    try { (expected === actual) ? this.pass() : 

      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  

        '", actual "' + Test.Unit.inspect(actual) + '"'); } 

    catch(e) { this.error(e); } 

  },

  assertNotIdentical: function(expected, actual) { 

    var message = arguments[2] || "assertNotIdentical"; 

    try { !(expected === actual) ? this.pass() : 

      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  

        '", actual "' + Test.Unit.inspect(actual) + '"'); } 

    catch(e) { this.error(e); } 

  },

  assertNull: function(obj) {

    var message = arguments[1] || 'assertNull';

    try { (obj==null) ? this.pass() : 

      this.fail(message + ': got "' + Test.Unit.inspect(obj) + '"'); }

    catch(e) { this.error(e); }

  },

  assertMatch: function(expected, actual) {

    var message = arguments[2] || 'assertMatch';

    var regex = new RegExp(expected);

    try { (regex.exec(actual)) ? this.pass() :

      this.fail(message + ' : regex: "' +  Test.Unit.inspect(expected) + ' did not match: ' + Test.Unit.inspect(actual) + '"'); }

    catch(e) { this.error(e); }

  },

  assertHidden: function(element) {

    var message = arguments[1] || 'assertHidden';

    this.assertEqual("none", element.style.display, message);

  },

  assertNotNull: function(object) {

    var message = arguments[1] || 'assertNotNull';

    this.assert(object != null, message);

  },

  assertType: function(expected, actual) {

    var message = arguments[2] || 'assertType';

    try { 

      (actual.constructor == expected) ? this.pass() : 

      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  

        '", actual "' + (actual.constructor) + '"'); }

    catch(e) { this.error(e); }

  },

  assertNotOfType: function(expected, actual) {

    var message = arguments[2] || 'assertNotOfType';

    try { 

      (actual.constructor != expected) ? this.pass() : 

      this.fail(message + ': expected "' + Test.Unit.inspect(expected) +  

        '", actual "' + (actual.constructor) + '"'); }

    catch(e) { this.error(e); }

  },

  assertInstanceOf: function(expected, actual) {

    var message = arguments[2] || 'assertInstanceOf';

    try { 

      (actual instanceof expected) ? this.pass() : 

      this.fail(message + ": object was not an instance of the expected type"); }

    catch(e) { this.error(e); } 

  },

  assertNotInstanceOf: function(expected, actual) {

    var message = arguments[2] || 'assertNotInstanceOf';

    try { 

      !(actual instanceof expected) ? this.pass() : 

      this.fail(message + ": object was an instance of the not expected type"); }

    catch(e) { this.error(e); } 

  },

  assertRespondsTo: function(method, obj) {

    var message = arguments[2] || 'assertRespondsTo';

    try {

      (obj[method] && typeof obj[method] == 'function') ? this.pass() : 

      this.fail(message + ": object doesn't respond to [" + method + "]"); }

    catch(e) { this.error(e); }

  },

  assertReturnsTrue: function(method, obj) {

    var message = arguments[2] || 'assertReturnsTrue';

    try {

      var m = obj[method];

      if(!m) m = obj['is'+method.charAt(0).toUpperCase()+method.slice(1)];

      m() ? this.pass() : 

      this.fail(message + ": method returned false"); }

    catch(e) { this.error(e); }

  },

  assertReturnsFalse: function(method, obj) {

    var message = arguments[2] || 'assertReturnsFalse';

    try {

      var m = obj[method];

      if(!m) m = obj['is'+method.charAt(0).toUpperCase()+method.slice(1)];

      !m() ? this.pass() : 

      this.fail(message + ": method returned true"); }

    catch(e) { this.error(e); }

  },

  assertRaise: function(exceptionName, method) {

    var message = arguments[2] || 'assertRaise';

    try { 

      method();

      this.fail(message + ": exception expected but none was raised"); }

    catch(e) {

      ((exceptionName == null) || (e.name==exceptionName)) ? this.pass() : this.error(e); 

    }

  },

  assertElementsMatch: function() {

    var expressions = $A(arguments), elements = $A(expressions.shift());

    if (elements.length != expressions.length) {

      this.fail('assertElementsMatch: size mismatch: ' + elements.length + ' elements, ' + expressions.length + ' expressions');

      return false;

    }

    elements.zip(expressions).all(function(pair, index) {

      var element = $(pair.first()), expression = pair.last();

      if (element.match(expression)) return true;

      this.fail('assertElementsMatch: (in index ' + index + ') expected ' + expression.inspect() + ' but got ' + element.inspect());

    }.bind(this)) && this.pass();

  },

  assertElementMatches: function(element, expression) {

    this.assertElementsMatch([element], expression);

  },

  benchmark: function(operation, iterations) {

    var startAt = new Date();

    (iterations || 1).times(operation);

    var timeTaken = ((new Date())-startAt);

    this.info((arguments[2] || 'Operation') + ' finished ' + 

       iterations + ' iterations in ' + (timeTaken/1000)+'s' );

    return timeTaken;

  },

  _isVisible: function(element) {

    element = $(element);

    if(!element.parentNode) return true;

    this.assertNotNull(element);

    if(element.style && Element.getStyle(element, 'display') == 'none')

      return false;

    return this._isVisible(element.parentNode);

  },

  assertNotVisible: function(element) {

    this.assert(!this._isVisible(element), Test.Unit.inspect(element) + " was not hidden and didn't have a hidden parent either. " + ("" || arguments[1]));

  },

  assertVisible: function(element) {

    this.assert(this._isVisible(element), Test.Unit.inspect(element) + " was not visible. " + ("" || arguments[1]));

  },

  benchmark: function(operation, iterations) {

    var startAt = new Date();

    (iterations || 1).times(operation);

    var timeTaken = ((new Date())-startAt);

    this.info((arguments[2] || 'Operation') + ' finished ' + 

       iterations + ' iterations in ' + (timeTaken/1000)+'s' );

    return timeTaken;

  }

};

Test.Unit.Testcase = Class.create();

Object.extend(Object.extend(Test.Unit.Testcase.prototype, Test.Unit.Assertions.prototype), {

  initialize: function(name, test, setup, teardown) {

    Test.Unit.Assertions.prototype.initialize.bind(this)();

    this.name           = name;

    if(typeof test == 'string') {

      test = test.gsub(/(\.should[^\(]+\()/,'#{0}this,');

      test = test.gsub(/(\.should[^\(]+)\(this,\)/,'#{1}(this)');

      this.test = function() {

        eval('with(this){'+test+'}');

      }

    } else {

      this.test = test || function() {};

    }

    this.setup          = setup || function() {};

    this.teardown       = teardown || function() {};

    this.isWaiting      = false;

    this.timeToWait     = 1000;

  },

  wait: function(time, nextPart) {

    this.isWaiting = true;

    this.test = nextPart;

    this.timeToWait = time;

  },

  run: function() {

    try {

      try {

        if (!this.isWaiting) this.setup.bind(this)();

        this.isWaiting = false;

        this.test.bind(this)();

      } finally {

        if(!this.isWaiting) {

          this.teardown.bind(this)();

        }

      }

    }

    catch(e) { this.error(e); }

  }

});

// *EXPERIMENTAL* BDD-style testing to please non-technical folk

// This draws many ideas from RSpec http://rspec.rubyforge.org/

Test.setupBDDExtensionMethods = function(){

  var METHODMAP = {

    shouldEqual:     'assertEqual',

    shouldNotEqual:  'assertNotEqual',

    shouldEqualEnum: 'assertEnumEqual',

    shouldBeA:       'assertType',

    shouldNotBeA:    'assertNotOfType',

    shouldBeAn:      'assertType',

    shouldNotBeAn:   'assertNotOfType',

    shouldBeNull:    'assertNull',

    shouldNotBeNull: 'assertNotNull',

    shouldBe:        'assertReturnsTrue',

    shouldNotBe:     'assertReturnsFalse',

    shouldRespondTo: 'assertRespondsTo'

  };

  var makeAssertion = function(assertion, args, object) { 

           this[assertion].apply(this,(args || []).concat([object]));

  };

  Test.BDDMethods = {};   

  $H(METHODMAP).each(function(pair) { 

    Test.BDDMethods[pair.key] = function() { 

       var args = $A(arguments); 

       var scope = args.shift(); 

       makeAssertion.apply(scope, [pair.value, args, this]); }; 

  });

  [Array.prototype, String.prototype, Number.prototype, Boolean.prototype].each(

    function(p){ Object.extend(p, Test.BDDMethods) }

  );

};

Test.context = function(name, spec, log){

  Test.setupBDDExtensionMethods();

  var compiledSpec = {};

  var titles = {};

  for(specName in spec) {

    switch(specName){

      case "setup":

      case "teardown":

        compiledSpec[specName] = spec[specName];

        break;

      default:

        var testName = 'test'+specName.gsub(/\s+/,'-').camelize();

        var body = spec[specName].toString().split('\n').slice(1);

        if(/^\{/.test(body[0])) body = body.slice(1);

        body.pop();

        body = body.map(function(statement){ 

          return statement.strip()

        });

        compiledSpec[testName] = body.join('\n');

        titles[testName] = specName;

    }

  }

  new Test.Unit.Runner(compiledSpec, { titles: titles, testLog: log || 'testlog', context: name });

};