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test.js
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test.js
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YUI.add('test', function(Y) {
/**
* YUI Test Framework
* @module test
* @main test
*/
/*
* The root namespace for YUI Test.
*/
var YUITest = {
version: "@VERSION@"
};
Y.namespace('Test');
//Using internal YUI methods here
YUITest.Object = Y.Object;
YUITest.Array = Y.Array;
YUITest.Util = {
mix: Y.mix,
JSON: Y.JSON
}
/**
* Simple custom event implementation.
* @namespace Test
* @module test
* @class EventTarget
* @constructor
*/
YUITest.EventTarget = function(){
/**
* Event handlers for the various events.
* @type Object
* @private
* @property _handlers
* @static
*/
this._handlers = {};
};
YUITest.EventTarget.prototype = {
//restore prototype
constructor: YUITest.EventTarget,
//-------------------------------------------------------------------------
// Event Handling
//-------------------------------------------------------------------------
/**
* Adds a listener for a given event type.
* @param {String} type The type of event to add a listener for.
* @param {Function} listener The function to call when the event occurs.
* @return {void}
* @method attach
*/
attach: function(type, listener){
if (typeof this._handlers[type] == "undefined"){
this._handlers[type] = [];
}
this._handlers[type].push(listener);
},
/**
* Adds a listener for a given event type.
* @param {String} type The type of event to add a listener for.
* @param {Function} listener The function to call when the event occurs.
* @return {void}
* @method subscribe
* @deprecated
*/
subscribe: function(type, listener){
this.attach.apply(this, arguments);
},
/**
* Fires an event based on the passed-in object.
* @param {Object|String} event An object with at least a 'type' attribute
* or a string indicating the event name.
* @return {void}
* @method fire
*/
fire: function(event){
if (typeof event == "string"){
event = { type: event };
}
if (!event.target){
event.target = this;
}
if (!event.type){
throw new Error("Event object missing 'type' property.");
}
if (this._handlers[event.type] instanceof Array){
var handlers = this._handlers[event.type];
for (var i=0, len=handlers.length; i < len; i++){
handlers[i].call(this, event);
}
}
},
/**
* Removes a listener for a given event type.
* @param {String} type The type of event to remove a listener from.
* @param {Function} listener The function to remove from the event.
* @return {void}
* @method detach
*/
detach: function(type, listener){
if (this._handlers[type] instanceof Array){
var handlers = this._handlers[type];
for (var i=0, len=handlers.length; i < len; i++){
if (handlers[i] === listener){
handlers.splice(i, 1);
break;
}
}
}
},
/**
* Removes a listener for a given event type.
* @param {String} type The type of event to remove a listener from.
* @param {Function} listener The function to remove from the event.
* @return {void}
* @method unsubscribe
* @deprecated
*/
unsubscribe: function(type, listener){
this.detach.apply(this, arguments);
}
};
/**
* A test suite that can contain a collection of TestCase and TestSuite objects.
* @param {String||Object} data The name of the test suite or an object containing
* a name property as well as setUp and tearDown methods.
* @namespace Test
* @module test
* @class TestSuite
* @constructor
*/
YUITest.TestSuite = function (data) {
/**
* The name of the test suite.
* @type String
* @property name
*/
this.name = "";
/**
* Array of test suites and test cases.
* @type Array
* @property items
* @private
*/
this.items = [];
//initialize the properties
if (typeof data == "string"){
this.name = data;
} else if (data instanceof Object){
for (var prop in data){
if (data.hasOwnProperty(prop)){
this[prop] = data[prop];
}
}
}
//double-check name
if (this.name === ""){
this.name = "testSuite" + (+new Date());
}
};
YUITest.TestSuite.prototype = {
//restore constructor
constructor: YUITest.TestSuite,
/**
* Adds a test suite or test case to the test suite.
* @param {Test.TestSuite||YUITest.TestCase} testObject The test suite or test case to add.
* @return {Void}
* @method add
*/
add : function (testObject) {
if (testObject instanceof YUITest.TestSuite || testObject instanceof YUITest.TestCase) {
this.items.push(testObject);
}
return this;
},
//-------------------------------------------------------------------------
// Stub Methods
//-------------------------------------------------------------------------
/**
* Function to run before each test is executed.
* @return {Void}
* @method setUp
*/
setUp : function () {
},
/**
* Function to run after each test is executed.
* @return {Void}
* @method tearDown
*/
tearDown: function () {
}
};
/**
* Test case containing various tests to run.
* @param template An object containing any number of test methods, other methods,
* an optional name, and anything else the test case needs.
* @module test
* @class TestCase
* @namespace Test
* @constructor
*/
YUITest.TestCase = function (template) {
/*
* Special rules for the test case. Possible subobjects
* are fail, for tests that should fail, and error, for
* tests that should throw an error.
*/
this._should = {};
//copy over all properties from the template to this object
for (var prop in template) {
this[prop] = template[prop];
}
//check for a valid name
if (typeof this.name != "string"){
this.name = "testCase" + (+new Date());
}
};
YUITest.TestCase.prototype = {
//restore constructor
constructor: YUITest.TestCase,
/**
* Method to call from an async init method to
* restart the test case. When called, returns a function
* that should be called when tests are ready to continue.
* @method callback
* @return {Function} The function to call as a callback.
*/
callback: function(){
return YUITest.TestRunner.callback.apply(YUITest.TestRunner,arguments);
},
/**
* Resumes a paused test and runs the given function.
* @param {Function} segment (Optional) The function to run.
* If omitted, the test automatically passes.
* @return {Void}
* @method resume
*/
resume : function (segment) {
YUITest.TestRunner.resume(segment);
},
/**
* Causes the test case to wait a specified amount of time and then
* continue executing the given code.
* @param {Function} segment (Optional) The function to run after the delay.
* If omitted, the TestRunner will wait until resume() is called.
* @param {int} delay (Optional) The number of milliseconds to wait before running
* the function. If omitted, defaults to zero.
* @return {Void}
* @method wait
*/
wait : function (segment, delay){
var actualDelay = (typeof segment == "number" ? segment : delay);
actualDelay = (typeof actualDelay == "number" ? actualDelay : 10000);
if (typeof segment == "function"){
throw new YUITest.Wait(segment, actualDelay);
} else {
throw new YUITest.Wait(function(){
YUITest.Assert.fail("Timeout: wait() called but resume() never called.");
}, actualDelay);
}
},
//-------------------------------------------------------------------------
// Assertion Methods
//-------------------------------------------------------------------------
/**
* Asserts that a given condition is true. If not, then a YUITest.AssertionError object is thrown
* and the test fails.
* @method assert
* @param {Boolean} condition The condition to test.
* @param {String} message The message to display if the assertion fails.
*/
assert : function (condition, message){
YUITest.Assert._increment();
if (!condition){
throw new YUITest.AssertionError(YUITest.Assert._formatMessage(message, "Assertion failed."));
}
},
/**
* Forces an assertion error to occur. Shortcut for YUITest.Assert.fail().
* @method fail
* @param {String} message (Optional) The message to display with the failure.
*/
fail: function (message) {
YUITest.Assert.fail(message);
},
//-------------------------------------------------------------------------
// Stub Methods
//-------------------------------------------------------------------------
/**
* Function to run once before tests start to run.
* This executes before the first call to setUp().
* @method init
*/
init: function(){
//noop
},
/**
* Function to run once after tests finish running.
* This executes after the last call to tearDown().
* @method destroy
*/
destroy: function(){
//noop
},
/**
* Function to run before each test is executed.
* @return {Void}
* @method setUp
*/
setUp : function () {
//noop
},
/**
* Function to run after each test is executed.
* @return {Void}
* @method tearDown
*/
tearDown: function () {
//noop
}
};
/**
* An object object containing test result formatting methods.
* @namespace Test
* @module test
* @class TestFormat
* @static
*/
YUITest.TestFormat = function(){
/* (intentionally not documented)
* Basic XML escaping method. Replaces quotes, less-than, greater-than,
* apostrophe, and ampersand characters with their corresponding entities.
* @param {String} text The text to encode.
* @return {String} The XML-escaped text.
*/
function xmlEscape(text){
return text.replace(/[<>"'&]/g, function(value){
switch(value){
case "<": return "<";
case ">": return ">";
case "\"": return """;
case "'": return "'";
case "&": return "&";
}
});
}
return {
/**
* Returns test results formatted as a JSON string. Requires JSON utility.
* @param {Object} result The results object created by TestRunner.
* @return {String} A JSON-formatted string of results.
* @method JSON
* @static
*/
JSON: function(results) {
return YUITest.Util.JSON.stringify(results);
},
/**
* Returns test results formatted as an XML string.
* @param {Object} result The results object created by TestRunner.
* @return {String} An XML-formatted string of results.
* @method XML
* @static
*/
XML: function(results) {
function serializeToXML(results){
var xml = "<" + results.type + " name=\"" + xmlEscape(results.name) + "\"";
if (typeof(results.duration)=="number"){
xml += " duration=\"" + results.duration + "\"";
}
if (results.type == "test"){
xml += " result=\"" + results.result + "\" message=\"" + xmlEscape(results.message) + "\">";
} else {
xml += " passed=\"" + results.passed + "\" failed=\"" + results.failed + "\" ignored=\"" + results.ignored + "\" total=\"" + results.total + "\">";
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
xml += serializeToXML(results[prop]);
}
}
}
}
xml += "</" + results.type + ">";
return xml;
}
return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + serializeToXML(results);
},
/**
* Returns test results formatted in JUnit XML format.
* @param {Object} result The results object created by TestRunner.
* @return {String} An XML-formatted string of results.
* @method JUnitXML
* @static
*/
JUnitXML: function(results) {
function serializeToJUnitXML(results){
var xml = "";
switch (results.type){
//equivalent to testcase in JUnit
case "test":
if (results.result != "ignore"){
xml = "<testcase name=\"" + xmlEscape(results.name) + "\" time=\"" + (results.duration/1000) + "\">";
if (results.result == "fail"){
xml += "<failure message=\"" + xmlEscape(results.message) + "\"><![CDATA[" + results.message + "]]></failure>";
}
xml+= "</testcase>";
}
break;
//equivalent to testsuite in JUnit
case "testcase":
xml = "<testsuite name=\"" + xmlEscape(results.name) + "\" tests=\"" + results.total + "\" failures=\"" + results.failed + "\" time=\"" + (results.duration/1000) + "\">";
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
xml += serializeToJUnitXML(results[prop]);
}
}
}
xml += "</testsuite>";
break;
//no JUnit equivalent, don't output anything
case "testsuite":
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
xml += serializeToJUnitXML(results[prop]);
}
}
}
break;
//top-level, equivalent to testsuites in JUnit
case "report":
xml = "<testsuites>";
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
xml += serializeToJUnitXML(results[prop]);
}
}
}
xml += "</testsuites>";
//no default
}
return xml;
}
return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" + serializeToJUnitXML(results);
},
/**
* Returns test results formatted in TAP format.
* For more information, see <a href="http://testanything.org/">Test Anything Protocol</a>.
* @param {Object} result The results object created by TestRunner.
* @return {String} A TAP-formatted string of results.
* @method TAP
* @static
*/
TAP: function(results) {
var currentTestNum = 1;
function serializeToTAP(results){
var text = "";
switch (results.type){
case "test":
if (results.result != "ignore"){
text = "ok " + (currentTestNum++) + " - " + results.name;
if (results.result == "fail"){
text = "not " + text + " - " + results.message;
}
text += "\n";
} else {
text = "#Ignored test " + results.name + "\n";
}
break;
case "testcase":
text = "#Begin testcase " + results.name + "(" + results.failed + " failed of " + results.total + ")\n";
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
text += serializeToTAP(results[prop]);
}
}
}
text += "#End testcase " + results.name + "\n";
break;
case "testsuite":
text = "#Begin testsuite " + results.name + "(" + results.failed + " failed of " + results.total + ")\n";
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
text += serializeToTAP(results[prop]);
}
}
}
text += "#End testsuite " + results.name + "\n";
break;
case "report":
for (var prop in results){
if (results.hasOwnProperty(prop)){
if (results[prop] && typeof results[prop] == "object" && !(results[prop] instanceof Array)){
text += serializeToTAP(results[prop]);
}
}
}
//no default
}
return text;
}
return "1.." + results.total + "\n" + serializeToTAP(results);
}
};
}();
/**
* An object capable of sending test results to a server.
* @param {String} url The URL to submit the results to.
* @param {Function} format (Optiona) A function that outputs the results in a specific format.
* Default is YUITest.TestFormat.XML.
* @constructor
* @namespace Test
* @module test
* @class Reporter
*/
YUITest.Reporter = function(url, format) {
/**
* The URL to submit the data to.
* @type String
* @property url
*/
this.url = url;
/**
* The formatting function to call when submitting the data.
* @type Function
* @property format
*/
this.format = format || YUITest.TestFormat.XML;
/**
* Extra fields to submit with the request.
* @type Object
* @property _fields
* @private
*/
this._fields = new Object();
/**
* The form element used to submit the results.
* @type HTMLFormElement
* @property _form
* @private
*/
this._form = null;
/**
* Iframe used as a target for form submission.
* @type HTMLIFrameElement
* @property _iframe
* @private
*/
this._iframe = null;
};
YUITest.Reporter.prototype = {
//restore missing constructor
constructor: YUITest.Reporter,
/**
* Adds a field to the form that submits the results.
* @param {String} name The name of the field.
* @param {Variant} value The value of the field.
* @return {Void}
* @method addField
*/
addField : function (name, value){
this._fields[name] = value;
},
/**
* Removes all previous defined fields.
* @return {Void}
* @method clearFields
*/
clearFields : function(){
this._fields = new Object();
},
/**
* Cleans up the memory associated with the TestReporter, removing DOM elements
* that were created.
* @return {Void}
* @method destroy
*/
destroy : function() {
if (this._form){
this._form.parentNode.removeChild(this._form);
this._form = null;
}
if (this._iframe){
this._iframe.parentNode.removeChild(this._iframe);
this._iframe = null;
}
this._fields = null;
},
/**
* Sends the report to the server.
* @param {Object} results The results object created by TestRunner.
* @return {Void}
* @method report
*/
report : function(results){
//if the form hasn't been created yet, create it
if (!this._form){
this._form = document.createElement("form");
this._form.method = "post";
this._form.style.visibility = "hidden";
this._form.style.position = "absolute";
this._form.style.top = 0;
document.body.appendChild(this._form);
//IE won't let you assign a name using the DOM, must do it the hacky way
try {
this._iframe = document.createElement("<iframe name=\"yuiTestTarget\" />");
} catch (ex){
this._iframe = document.createElement("iframe");
this._iframe.name = "yuiTestTarget";
}
this._iframe.src = "javascript:false";
this._iframe.style.visibility = "hidden";
this._iframe.style.position = "absolute";
this._iframe.style.top = 0;
document.body.appendChild(this._iframe);
this._form.target = "yuiTestTarget";
}
//set the form's action
this._form.action = this.url;
//remove any existing fields
while(this._form.hasChildNodes()){
this._form.removeChild(this._form.lastChild);
}
//create default fields
this._fields.results = this.format(results);
this._fields.useragent = navigator.userAgent;
this._fields.timestamp = (new Date()).toLocaleString();
//add fields to the form
for (var prop in this._fields){
var value = this._fields[prop];
if (this._fields.hasOwnProperty(prop) && (typeof value != "function")){
var input = document.createElement("input");
input.type = "hidden";
input.name = prop;
input.value = value;
this._form.appendChild(input);
}
}
//remove default fields
delete this._fields.results;
delete this._fields.useragent;
delete this._fields.timestamp;
if (arguments[1] !== false){
this._form.submit();
}
}
};
/**
* Runs test suites and test cases, providing events to allowing for the
* interpretation of test results.
* @namespace Test
* @module test
* @class TestRunner
* @static
*/
YUITest.TestRunner = function(){
/*(intentionally not documented)
* Determines if any of the array of test groups appears
* in the given TestRunner filter.
* @param {Array} testGroups The array of test groups to
* search for.
* @param {String} filter The TestRunner groups filter.
*/
function inGroups(testGroups, filter){
if (!filter.length){
return true;
} else {
if (testGroups){
for (var i=0, len=testGroups.length; i < len; i++){
if (filter.indexOf("," + testGroups[i] + ",") > -1){
return true;
}
}
}
return false;
}
}
/**
* A node in the test tree structure. May represent a TestSuite, TestCase, or
* test function.
* @param {Variant} testObject A TestSuite, TestCase, or the name of a test function.
* @module test
* @class TestNode
* @constructor
* @private
*/
function TestNode(testObject){
/**
* The TestSuite, TestCase, or test function represented by this node.
* @type Variant
* @property testObject
*/
this.testObject = testObject;
/**
* Pointer to this node's first child.
* @type TestNode
* @property firstChild
*/
this.firstChild = null;
/**
* Pointer to this node's last child.
* @type TestNode
* @property lastChild
*/
this.lastChild = null;
/**
* Pointer to this node's parent.
* @type TestNode
* @property parent
*/
this.parent = null;
/**
* Pointer to this node's next sibling.
* @type TestNode
* @property next
*/
this.next = null;
/**
* Test results for this test object.
* @type object
* @property results
*/
this.results = new YUITest.Results();
//initialize results
if (testObject instanceof YUITest.TestSuite){
this.results.type = "testsuite";
this.results.name = testObject.name;
} else if (testObject instanceof YUITest.TestCase){
this.results.type = "testcase";
this.results.name = testObject.name;
}
}
TestNode.prototype = {
/**
* Appends a new test object (TestSuite, TestCase, or test function name) as a child
* of this node.
* @param {Variant} testObject A TestSuite, TestCase, or the name of a test function.
* @return {Void}
* @method appendChild
*/
appendChild : function (testObject){
var node = new TestNode(testObject);
if (this.firstChild === null){
this.firstChild = this.lastChild = node;
} else {
this.lastChild.next = node;
this.lastChild = node;
}
node.parent = this;
return node;
}
};
/**
* Runs test suites and test cases, providing events to allowing for the
* interpretation of test results.
* @namespace Test
* @module test
* @class Runner
* @static
*/
function TestRunner(){
//inherit from EventTarget
YUITest.EventTarget.call(this);
/**
* Suite on which to attach all TestSuites and TestCases to be run.
* @type YUITest.TestSuite
* @property masterSuite
* @static
* @private
*/
this.masterSuite = new YUITest.TestSuite("yuitests" + (new Date()).getTime());
/**
* Pointer to the current node in the test tree.
* @type TestNode
* @private
* @property _cur
* @static
*/
this._cur = null;
/**
* Pointer to the root node in the test tree.
* @type TestNode
* @private
* @property _root
* @static
*/
this._root = null;
/**
* Indicates if the TestRunner will log events or not.
* @type Boolean
* @property _log
* @private
* @static
*/
this._log = true;
/**
* Indicates if the TestRunner is waiting as a result of
* wait() being called.
* @type Boolean
* @property _waiting
* @private
* @static
*/
this._waiting = false;
/**
* Indicates if the TestRunner is currently running tests.
* @type Boolean
* @private
* @property _running
* @static
*/
this._running = false;
/**
* Holds copy of the results object generated when all tests are
* complete.
* @type Object
* @private
* @property _lastResults
* @static
*/
this._lastResults = null;
/**
* Data object that is passed around from method to method.
* @type Object
* @private
* @property _data
* @static
*/
this._context = null;
/**
* The list of test groups to run. The list is represented
* by a comma delimited string with commas at the start and
* end.
* @type String
* @private
* @property _groups
* @static
*/