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lib/Alien/GvaScript/lib/unittest.js  view on Meta::CPAN

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2008 Jon Tirsen (http://www.tirsen.com)
//           (c) 2005-2008 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);

lib/Alien/GvaScript/lib/unittest.js  view on Meta::CPAN

      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 });
};