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11e713ca6f21e85bdf0b09cf91a1c9131b911fff
crm.e5.pl/jssource/src_files/include/javascript/yui3/build/test/test.js
Michał Zieliński 11e713ca6f init
2024-04-27 09:23:34 +02:00

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/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 3.0.0
build: 1549
*/
YUI.add('test', function(Y) {
/**
* YUI JavaScript Testing Framework
*
* @module test
*/
Y.namespace("Test");
/**
* 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.
* @class Case
* @namespace Test
* @constructor
*/
Y.Test.Case = 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 (!Y.Lang.isString(this.name)){
/**
* Name for the test case.
*/
this.name = "testCase" + Y.guid();
}
};
Y.Test.Case.prototype = {
/**
* 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) {
Y.Test.Runner.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 args = arguments;
if (Y.Lang.isFunction(args[0])){
throw new Y.Test.Wait(args[0], args[1]);
} else {
throw new Y.Test.Wait(function(){
Y.Assert.fail("Timeout: wait() called but resume() never called.");
}, (Y.Lang.isNumber(args[0]) ? args[0] : 10000));
}
},
//-------------------------------------------------------------------------
// 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 () {
}
};
/**
* Represents a stoppage in test execution to wait for an amount of time before
* continuing.
* @param {Function} segment A function to run when the wait is over.
* @param {int} delay The number of milliseconds to wait before running the code.
* @class Wait
* @namespace Test
* @constructor
*
*/
Y.Test.Wait = function (segment, delay) {
/**
* The segment of code to run when the wait is over.
* @type Function
* @property segment
*/
this.segment = (Y.Lang.isFunction(segment) ? segment : null);
/**
* The delay before running the segment of code.
* @type int
* @property delay
*/
this.delay = (Y.Lang.isNumber(delay) ? delay : 0);
};
Y.namespace("Test");
/**
* 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
* @class Suite
* @constructor
*/
Y.Test.Suite = function (data /*:String||Object*/) {
/**
* The name of the test suite.
* @type String
* @property name
*/
this.name = "";
/**
* Array of test suites and
* @private
*/
this.items = [];
//initialize the properties
if (Y.Lang.isString(data)){
this.name = data;
} else if (Y.Lang.isObject(data)){
Y.mix(this, data, true);
}
//double-check name
if (this.name === ""){
this.name = "testSuite" + Y.guid();
}
};
Y.Test.Suite.prototype = {
/**
* Adds a test suite or test case to the test suite.
* @param {Y.Test.Suite||Y.Test.Case} testObject The test suite or test case to add.
* @return {Void}
* @method add
*/
add : function (testObject /*:Y.Test.Suite*/) {
if (testObject instanceof Y.Test.Suite || testObject instanceof Y.Test.Case) {
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 () {
}
};
/*
* Runs test suites and test cases, providing events to allowing for the
* interpretation of test results.
* @namespace Test
* @class Runner
* @static
*/
Y.Test.Runner = (function(){
/**
* 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.
* @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 = {
passed : 0,
failed : 0,
total : 0,
ignored : 0
};
//initialize results
if (testObject instanceof Y.Test.Suite){
this.results.type = "testsuite";
this.results.name = testObject.name;
} else if (testObject instanceof Y.Test.Case){
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}
*/
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
* @class Runner
* @static
*/
function TestRunner(){
//inherit from EventProvider
TestRunner.superclass.constructor.apply(this,arguments);
/**
* Suite on which to attach all TestSuites and TestCases to be run.
* @type Y.Test.Suite
* @property masterSuite
* @static
* @private
*/
this.masterSuite /*:Y.Test.Suite*/ = new Y.Test.Suite("YUI Test Results");
/**
* 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;
//create events
var events = [
this.TEST_CASE_BEGIN_EVENT,
this.TEST_CASE_COMPLETE_EVENT,
this.TEST_SUITE_BEGIN_EVENT,
this.TEST_SUITE_COMPLETE_EVENT,
this.TEST_PASS_EVENT,
this.TEST_FAIL_EVENT,
this.TEST_IGNORE_EVENT,
this.COMPLETE_EVENT,
this.BEGIN_EVENT
];
for (var i=0; i < events.length; i++){
this.subscribe(events[i], this._logEvent, this, true);
}
}
Y.extend(TestRunner, Y.Event.Target, {
//-------------------------------------------------------------------------
// Constants
//-------------------------------------------------------------------------
/**
* Fires when a test case is opened but before the first
* test is executed.
* @event testcasebegin
* @static
*/
TEST_CASE_BEGIN_EVENT : "testcasebegin",
/**
* Fires when all tests in a test case have been executed.
* @event testcasecomplete
* @static
*/
TEST_CASE_COMPLETE_EVENT : "testcasecomplete",
/**
* Fires when a test suite is opened but before the first
* test is executed.
* @event testsuitebegin
* @static
*/
TEST_SUITE_BEGIN_EVENT : "testsuitebegin",
/**
* Fires when all test cases in a test suite have been
* completed.
* @event testsuitecomplete
* @static
*/
TEST_SUITE_COMPLETE_EVENT : "testsuitecomplete",
/**
* Fires when a test has passed.
* @event pass
* @static
*/
TEST_PASS_EVENT : "pass",
/**
* Fires when a test has failed.
* @event fail
* @static
*/
TEST_FAIL_EVENT : "fail",
/**
* Fires when a test has been ignored.
* @event ignore
* @static
*/
TEST_IGNORE_EVENT : "ignore",
/**
* Fires when all test suites and test cases have been completed.
* @event complete
* @static
*/
COMPLETE_EVENT : "complete",
/**
* Fires when the run() method is called.
* @event begin
* @static
*/
BEGIN_EVENT : "begin",
//-------------------------------------------------------------------------
// Logging-Related Methods
//-------------------------------------------------------------------------
/**
* Disable logging via Y.log(). Test output will not be visible unless
* TestRunner events are subscribed to.
* @return {Void}
* @method disableLogging
* @static
*/
disableLogging: function(){
this._log = false;
},
/**
* Enable logging via Y.log(). Test output is published and can be read via
* logreader.
* @return {Void}
* @method enableLogging
* @static
*/
enableLogging: function(){
this._log = true;
},
/**
* Logs TestRunner events using Y.log().
* @param {Object} event The event object for the event.
* @return {Void}
* @method _logEvent
* @private
* @static
*/
_logEvent: function(event){
//data variables
var message = "";
var messageType = "";
switch(event.type){
case this.BEGIN_EVENT:
message = "Testing began at " + (new Date()).toString() + ".";
messageType = "info";
break;
case this.COMPLETE_EVENT:
message = "Testing completed at " + (new Date()).toString() + ".\nPassed:" +
event.results.passed + " Failed:" + event.results.failed + " Total:" + event.results.total;
messageType = "info";
break;
case this.TEST_FAIL_EVENT:
message = event.testName + ": failed.\n" + event.error.getMessage();
messageType = "fail";
break;
case this.TEST_IGNORE_EVENT:
message = event.testName + ": ignored.";
messageType = "ignore";
break;
case this.TEST_PASS_EVENT:
message = event.testName + ": passed.";
messageType = "pass";
break;
case this.TEST_SUITE_BEGIN_EVENT:
message = "Test suite \"" + event.testSuite.name + "\" started.";
messageType = "info";
break;
case this.TEST_SUITE_COMPLETE_EVENT:
message = "Test suite \"" + event.testSuite.name + "\" completed.\nPassed:" +
event.results.passed + " Failed:" + event.results.failed + " Total:" + event.results.total;
messageType = "info";
break;
case this.TEST_CASE_BEGIN_EVENT:
message = "Test case \"" + event.testCase.name + "\" started.";
messageType = "info";
break;
case this.TEST_CASE_COMPLETE_EVENT:
message = "Test case \"" + event.testCase.name + "\" completed.\nPassed:" +
event.results.passed + " Failed:" + event.results.failed + " Total:" + event.results.total;
messageType = "info";
break;
default:
message = "Unexpected event " + event.type;
message = "info";
}
//only log if required
if (this._log){
Y.log(message, messageType, "TestRunner");
}
},
//-------------------------------------------------------------------------
// Test Tree-Related Methods
//-------------------------------------------------------------------------
/**
* Adds a test case to the test tree as a child of the specified node.
* @param {TestNode} parentNode The node to add the test case to as a child.
* @param {Y.Test.Case} testCase The test case to add.
* @return {Void}
* @static
* @private
* @method _addTestCaseToTestTree
*/
_addTestCaseToTestTree : function (parentNode, testCase /*:Y.Test.Case*/){
//add the test suite
var node = parentNode.appendChild(testCase),
prop,
testName;
//iterate over the items in the test case
for (prop in testCase){
if ((prop.indexOf("test") === 0 || (prop.toLowerCase().indexOf("should") > -1 && prop.indexOf(" ") > -1 ))&& Y.Lang.isFunction(testCase[prop])){
node.appendChild(prop);
}
}
},
/**
* Adds a test suite to the test tree as a child of the specified node.
* @param {TestNode} parentNode The node to add the test suite to as a child.
* @param {Y.Test.Suite} testSuite The test suite to add.
* @return {Void}
* @static
* @private
* @method _addTestSuiteToTestTree
*/
_addTestSuiteToTestTree : function (parentNode, testSuite /*:Y.Test.Suite*/) {
//add the test suite
var node = parentNode.appendChild(testSuite);
//iterate over the items in the master suite
for (var i=0; i < testSuite.items.length; i++){
if (testSuite.items[i] instanceof Y.Test.Suite) {
this._addTestSuiteToTestTree(node, testSuite.items[i]);
} else if (testSuite.items[i] instanceof Y.Test.Case) {
this._addTestCaseToTestTree(node, testSuite.items[i]);
}
}
},
/**
* Builds the test tree based on items in the master suite. The tree is a hierarchical
* representation of the test suites, test cases, and test functions. The resulting tree
* is stored in _root and the pointer _cur is set to the root initially.
* @return {Void}
* @static
* @private
* @method _buildTestTree
*/
_buildTestTree : function () {
this._root = new TestNode(this.masterSuite);
this._cur = this._root;
//iterate over the items in the master suite
for (var i=0; i < this.masterSuite.items.length; i++){
if (this.masterSuite.items[i] instanceof Y.Test.Suite) {
this._addTestSuiteToTestTree(this._root, this.masterSuite.items[i]);
} else if (this.masterSuite.items[i] instanceof Y.Test.Case) {
this._addTestCaseToTestTree(this._root, this.masterSuite.items[i]);
}
}
},
//-------------------------------------------------------------------------
// Private Methods
//-------------------------------------------------------------------------
/**
* Handles the completion of a test object's tests. Tallies test results
* from one level up to the next.
* @param {TestNode} node The TestNode representing the test object.
* @return {Void}
* @method _handleTestObjectComplete
* @private
*/
_handleTestObjectComplete : function (node) {
if (Y.Lang.isObject(node.testObject)){
node.parent.results.passed += node.results.passed;
node.parent.results.failed += node.results.failed;
node.parent.results.total += node.results.total;
node.parent.results.ignored += node.results.ignored;
node.parent.results[node.testObject.name] = node.results;
if (node.testObject instanceof Y.Test.Suite){
node.testObject.tearDown();
this.fire(this.TEST_SUITE_COMPLETE_EVENT, { testSuite: node.testObject, results: node.results});
} else if (node.testObject instanceof Y.Test.Case){
this.fire(this.TEST_CASE_COMPLETE_EVENT, { testCase: node.testObject, results: node.results});
}
}
},
//-------------------------------------------------------------------------
// Navigation Methods
//-------------------------------------------------------------------------
/**
* Retrieves the next node in the test tree.
* @return {TestNode} The next node in the test tree or null if the end is reached.
* @private
* @static
* @method _next
*/
_next : function () {
if (this._cur.firstChild) {
this._cur = this._cur.firstChild;
} else if (this._cur.next) {
this._cur = this._cur.next;
} else {
while (this._cur && !this._cur.next && this._cur !== this._root){
this._handleTestObjectComplete(this._cur);
this._cur = this._cur.parent;
}
if (this._cur == this._root){
this._cur.results.type = "report";
this._cur.results.timestamp = (new Date()).toLocaleString();
this._cur.results.duration = (new Date()) - this._cur.results.duration;
this.fire(this.COMPLETE_EVENT, { results: this._cur.results});
this._cur = null;
} else {
this._handleTestObjectComplete(this._cur);
this._cur = this._cur.next;
}
}
return this._cur;
},
/**
* Runs a test case or test suite, returning the results.
* @param {Y.Test.Case|Y.Test.Suite} testObject The test case or test suite to run.
* @return {Object} Results of the execution with properties passed, failed, and total.
* @private
* @method _run
* @static
*/
_run : function () {
//flag to indicate if the TestRunner should wait before continuing
var shouldWait = false;
//get the next test node
var node = this._next();
if (node !== null) {
var testObject = node.testObject;
//figure out what to do
if (Y.Lang.isObject(testObject)){
if (testObject instanceof Y.Test.Suite){
this.fire(this.TEST_SUITE_BEGIN_EVENT, { testSuite: testObject });
testObject.setUp();
} else if (testObject instanceof Y.Test.Case){
this.fire(this.TEST_CASE_BEGIN_EVENT, { testCase: testObject });
}
//some environments don't support setTimeout
if (typeof setTimeout != "undefined"){
setTimeout(function(){
Y.Test.Runner._run();
}, 0);
} else {
this._run();
}
} else {
this._runTest(node);
}
}
},
_resumeTest : function (segment) {
//get relevant information
var node = this._cur;
//we know there's no more waiting now
this._waiting = false;
//if there's no node, it probably means a wait() was called after resume()
if (!node){
//TODO: Handle in some way?
//console.log("wait() called after resume()");
//this.fire("error", { testCase: "(unknown)", test: "(unknown)", error: new Error("wait() called after resume()")} );
return;
}
var testName = node.testObject;
var testCase /*:Y.Test.Case*/ = node.parent.testObject;
//cancel other waits if available
if (testCase.__yui_wait){
clearTimeout(testCase.__yui_wait);
delete testCase.__yui_wait;
}
//get the "should" test cases
var shouldFail = (testCase._should.fail || {})[testName];
var shouldError = (testCase._should.error || {})[testName];
//variable to hold whether or not the test failed
var failed = false;
var error = null;
//try the test
try {
//run the test
segment.apply(testCase);
//if it should fail, and it got here, then it's a fail because it didn't
if (shouldFail){
error = new Y.Assert.ShouldFail();
failed = true;
} else if (shouldError){
error = new Y.Assert.ShouldError();
failed = true;
}
} catch (thrown){
//cancel any pending waits, the test already failed
if (testCase.__yui_wait){
clearTimeout(testCase.__yui_wait);
delete testCase.__yui_wait;
}
//figure out what type of error it was
if (thrown instanceof Y.Assert.Error) {
if (!shouldFail){
error = thrown;
failed = true;
}
} else if (thrown instanceof Y.Test.Wait){
if (Y.Lang.isFunction(thrown.segment)){
if (Y.Lang.isNumber(thrown.delay)){
//some environments don't support setTimeout
if (typeof setTimeout != "undefined"){
testCase.__yui_wait = setTimeout(function(){
Y.Test.Runner._resumeTest(thrown.segment);
}, thrown.delay);
this._waiting = true;
} else {
throw new Error("Asynchronous tests not supported in this environment.");
}
}
}
return;
} else {
//first check to see if it should error
if (!shouldError) {
error = new Y.Assert.UnexpectedError(thrown);
failed = true;
} else {
//check to see what type of data we have
if (Y.Lang.isString(shouldError)){
//if it's a string, check the error message
if (thrown.message != shouldError){
error = new Y.Assert.UnexpectedError(thrown);
failed = true;
}
} else if (Y.Lang.isFunction(shouldError)){
//if it's a function, see if the error is an instance of it
if (!(thrown instanceof shouldError)){
error = new Y.Assert.UnexpectedError(thrown);
failed = true;
}
} else if (Y.Lang.isObject(shouldError)){
//if it's an object, check the instance and message
if (!(thrown instanceof shouldError.constructor) ||
thrown.message != shouldError.message){
error = new Y.Assert.UnexpectedError(thrown);
failed = true;
}
}
}
}
}
//fire appropriate event
if (failed) {
this.fire(this.TEST_FAIL_EVENT, { testCase: testCase, testName: testName, error: error });
} else {
this.fire(this.TEST_PASS_EVENT, { testCase: testCase, testName: testName });
}
//run the tear down
testCase.tearDown();
//update results
node.parent.results[testName] = {
result: failed ? "fail" : "pass",
message: error ? error.getMessage() : "Test passed",
type: "test",
name: testName
};
if (failed){
node.parent.results.failed++;
} else {
node.parent.results.passed++;
}
node.parent.results.total++;
//set timeout not supported in all environments
if (typeof setTimeout != "undefined"){
setTimeout(function(){
Y.Test.Runner._run();
}, 0);
} else {
this._run();
}
},
/**
* Handles an error as if it occurred within the currently executing
* test. This is for mock methods that may be called asynchronously
* and therefore out of the scope of the TestRunner. Previously, this
* error would bubble up to the browser. Now, this method is used
* to tell TestRunner about the error. This should never be called
* by anyplace other than the Mock object.
* @param {Error} error The error object.
* @return {Void}
* @method _handleError
* @private
* @static
*/
_handleError: function(error){
if (this._waiting){
this._resumeTest(function(){
throw error;
});
} else {
throw error;
}
},
/**
* Runs a single test based on the data provided in the node.
* @param {TestNode} node The TestNode representing the test to run.
* @return {Void}
* @static
* @private
* @name _runTest
*/
_runTest : function (node) {
//get relevant information
var testName = node.testObject;
var testCase /*:Y.Test.Case*/ = node.parent.testObject;
var test = testCase[testName];
//get the "should" test cases
var shouldIgnore = (testCase._should.ignore || {})[testName];
//figure out if the test should be ignored or not
if (shouldIgnore){
//update results
node.parent.results[testName] = {
result: "ignore",
message: "Test ignored",
type: "test",
name: testName
};
node.parent.results.ignored++;
node.parent.results.total++;
this.fire(this.TEST_IGNORE_EVENT, { testCase: testCase, testName: testName });
//some environments don't support setTimeout
if (typeof setTimeout != "undefined"){
setTimeout(function(){
Y.Test.Runner._run();
}, 0);
} else {
this._run();
}
} else {
//run the setup
testCase.setUp();
//now call the body of the test
this._resumeTest(test);
}
},
//-------------------------------------------------------------------------
// Protected Methods
//-------------------------------------------------------------------------
/*
* Fires events for the TestRunner. This overrides the default fire()
* method from EventProvider to add the type property to the data that is
* passed through on each event call.
* @param {String} type The type of event to fire.
* @param {Object} data (Optional) Data for the event.
* @method fire
* @static
* @protected
*/
fire : function (type, data) {
data = data || {};
data.type = type;
TestRunner.superclass.fire.call(this, type, data);
},
//-------------------------------------------------------------------------
// Public Methods
//-------------------------------------------------------------------------
/**
* Adds a test suite or test case to the list of test objects to run.
* @param testObject Either a TestCase or a TestSuite that should be run.
* @return {Void}
* @method add
* @static
*/
add : function (testObject) {
this.masterSuite.add(testObject);
return this;
},
/**
* Removes all test objects from the runner.
* @return {Void}
* @method clear
* @static
*/
clear : function () {
this.masterSuite.items = [];
},
/**
* Indicates if the TestRunner is waiting for a test to resume
* @return {Boolean} True if the TestRunner is waiting, false if not.
* @method isWaiting
* @static
*/
isWaiting: function() {
return this._waiting;
},
/**
* Resumes the TestRunner after wait() was called.
* @param {Function} segment The function to run as the rest
* of the haulted test.
* @return {Void}
* @method resume
* @static
*/
resume : function (segment) {
this._resumeTest(segment || function(){});
},
/**
* Runs the test suite.
* @return {Void}
* @method run
* @static
*/
run : function (testObject) {
//pointer to runner to avoid scope issues
var runner = Y.Test.Runner;
//build the test tree
runner._buildTestTree();
//set when the test started
runner._root.results.duration = (new Date()).valueOf();
//fire the begin event
runner.fire(runner.BEGIN_EVENT);
//begin the testing
runner._run();
}
});
return new TestRunner();
})();
/**
* The Assert object provides functions to test JavaScript values against
* known and expected results. Whenever a comparison (assertion) fails,
* an error is thrown.
*
* @class Assert
* @static
*/
Y.Assert = {
/**
* The number of assertions performed.
* @property _asserts
* @type int
* @private
*/
_asserts: 0,
//-------------------------------------------------------------------------
// Helper Methods
//-------------------------------------------------------------------------
/**
* Formats a message so that it can contain the original assertion message
* in addition to the custom message.
* @param {String} customMessage The message passed in by the developer.
* @param {String} defaultMessage The message created by the error by default.
* @return {String} The final error message, containing either or both.
* @protected
* @static
* @method _formatMessage
*/
_formatMessage : function (customMessage, defaultMessage) {
var message = customMessage;
if (Y.Lang.isString(customMessage) && customMessage.length > 0){
return Y.Lang.substitute(customMessage, { message: defaultMessage });
} else {
return defaultMessage;
}
},
/**
* Returns the number of assertions that have been performed.
* @method _getCount
* @protected
* @static
*/
_getCount: function(){
return this._asserts;
},
/**
* Increments the number of assertions that have been performed.
* @method _increment
* @protected
* @static
*/
_increment: function(){
this._asserts++;
},
/**
* Resets the number of assertions that have been performed to 0.
* @method _reset
* @protected
* @static
*/
_reset: function(){
this._asserts = 0;
},
//-------------------------------------------------------------------------
// Generic Assertion Methods
//-------------------------------------------------------------------------
/**
* Forces an assertion error to occur.
* @param {String} message (Optional) The message to display with the failure.
* @method fail
* @static
*/
fail : function (message) {
throw new Y.Assert.Error(Y.Assert._formatMessage(message, "Test force-failed."));
},
//-------------------------------------------------------------------------
// Equality Assertion Methods
//-------------------------------------------------------------------------
/**
* Asserts that a value is equal to another. This uses the double equals sign
* so type cohersion may occur.
* @param {Object} expected The expected value.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method areEqual
* @static
*/
areEqual : function (expected, actual, message) {
Y.Assert._increment();
if (expected != actual) {
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Values should be equal."), expected, actual);
}
},
/**
* Asserts that a value is not equal to another. This uses the double equals sign
* so type cohersion may occur.
* @param {Object} unexpected The unexpected value.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method areNotEqual
* @static
*/
areNotEqual : function (unexpected, actual,
message) {
Y.Assert._increment();
if (unexpected == actual) {
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Values should not be equal."), unexpected);
}
},
/**
* Asserts that a value is not the same as another. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} unexpected The unexpected value.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method areNotSame
* @static
*/
areNotSame : function (unexpected, actual, message) {
Y.Assert._increment();
if (unexpected === actual) {
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Values should not be the same."), unexpected);
}
},
/**
* Asserts that a value is the same as another. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} expected The expected value.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method areSame
* @static
*/
areSame : function (expected, actual, message) {
Y.Assert._increment();
if (expected !== actual) {
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Values should be the same."), expected, actual);
}
},
//-------------------------------------------------------------------------
// Boolean Assertion Methods
//-------------------------------------------------------------------------
/**
* Asserts that a value is false. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isFalse
* @static
*/
isFalse : function (actual, message) {
Y.Assert._increment();
if (false !== actual) {
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value should be false."), false, actual);
}
},
/**
* Asserts that a value is true. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isTrue
* @static
*/
isTrue : function (actual, message) {
Y.Assert._increment();
if (true !== actual) {
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value should be true."), true, actual);
}
},
//-------------------------------------------------------------------------
// Special Value Assertion Methods
//-------------------------------------------------------------------------
/**
* Asserts that a value is not a number.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNaN
* @static
*/
isNaN : function (actual, message){
Y.Assert._increment();
if (!isNaN(actual)){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value should be NaN."), NaN, actual);
}
},
/**
* Asserts that a value is not the special NaN value.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNotNaN
* @static
*/
isNotNaN : function (actual, message){
Y.Assert._increment();
if (isNaN(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Values should not be NaN."), NaN);
}
},
/**
* Asserts that a value is not null. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNotNull
* @static
*/
isNotNull : function (actual, message) {
Y.Assert._increment();
if (Y.Lang.isNull(actual)) {
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Values should not be null."), null);
}
},
/**
* Asserts that a value is not undefined. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNotUndefined
* @static
*/
isNotUndefined : function (actual, message) {
Y.Assert._increment();
if (Y.Lang.isUndefined(actual)) {
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should not be undefined."), undefined);
}
},
/**
* Asserts that a value is null. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNull
* @static
*/
isNull : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isNull(actual)) {
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value should be null."), null, actual);
}
},
/**
* Asserts that a value is undefined. This uses the triple equals sign
* so no type cohersion may occur.
* @param {Object} actual The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isUndefined
* @static
*/
isUndefined : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isUndefined(actual)) {
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value should be undefined."), undefined, actual);
}
},
//--------------------------------------------------------------------------
// Instance Assertion Methods
//--------------------------------------------------------------------------
/**
* Asserts that a value is an array.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isArray
* @static
*/
isArray : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isArray(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should be an array."), actual);
}
},
/**
* Asserts that a value is a Boolean.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isBoolean
* @static
*/
isBoolean : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isBoolean(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should be a Boolean."), actual);
}
},
/**
* Asserts that a value is a function.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isFunction
* @static
*/
isFunction : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isFunction(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should be a function."), actual);
}
},
/**
* Asserts that a value is an instance of a particular object. This may return
* incorrect results when comparing objects from one frame to constructors in
* another frame. For best results, don't use in a cross-frame manner.
* @param {Function} expected The function that the object should be an instance of.
* @param {Object} actual The object to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isInstanceOf
* @static
*/
isInstanceOf : function (expected, actual, message) {
Y.Assert._increment();
if (!(actual instanceof expected)){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value isn't an instance of expected type."), expected, actual);
}
},
/**
* Asserts that a value is a number.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNumber
* @static
*/
isNumber : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isNumber(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should be a number."), actual);
}
},
/**
* Asserts that a value is an object.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isObject
* @static
*/
isObject : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isObject(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should be an object."), actual);
}
},
/**
* Asserts that a value is a string.
* @param {Object} actual The value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isString
* @static
*/
isString : function (actual, message) {
Y.Assert._increment();
if (!Y.Lang.isString(actual)){
throw new Y.Assert.UnexpectedValue(Y.Assert._formatMessage(message, "Value should be a string."), actual);
}
},
/**
* Asserts that a value is of a particular type.
* @param {String} expectedType The expected type of the variable.
* @param {Object} actualValue The actual value to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isTypeOf
* @static
*/
isTypeOf : function (expectedType, actualValue, message){
Y.Assert._increment();
if (typeof actualValue != expectedType){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Value should be of type " + expectedType + "."), expected, typeof actualValue);
}
}
};
/**
* Asserts that a given condition is true. If not, then a Y.Assert.Error object is thrown
* and the test fails.
* @method Y.assert
* @param {Boolean} condition The condition to test.
* @param {String} message The message to display if the assertion fails.
* @static
*/
Y.assert = function(condition, message){
Y.Assert._increment();
if (!condition){
throw new Y.Assert.Error(Y.Assert._formatMessage(message, "Assertion failed."));
}
};
/**
* Forces an assertion error to occur. Shortcut for Y.Assert.fail().
* @method Y.fail
* @param {String} message (Optional) The message to display with the failure.
* @static
*/
Y.fail = Y.Assert.fail;
//-----------------------------------------------------------------------------
// Assertion errors
//-----------------------------------------------------------------------------
/**
* Error is thrown whenever an assertion fails. It provides methods
* to more easily get at error information and also provides a base class
* from which more specific assertion errors can be derived.
*
* @param {String} message The message to display when the error occurs.
* @namespace Assert
* @class Error
* @constructor
*/
Y.Assert.Error = function (message){
//call superclass
arguments.callee.superclass.constructor.call(this, message);
/*
* Error message. Must be duplicated to ensure browser receives it.
* @type String
* @property message
*/
this.message = message;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name = "Assert Error";
};
//inherit methods
Y.extend(Y.Assert.Error, Error, {
/**
* Returns a fully formatted error for an assertion failure. This should
* be overridden by all subclasses to provide specific information.
* @method getMessage
* @return {String} A string describing the error.
*/
getMessage : function () {
return this.message;
},
/**
* Returns a string representation of the error.
* @method toString
* @return {String} A string representation of the error.
*/
toString : function () {
return this.name + ": " + this.getMessage();
},
/**
* Returns a primitive value version of the error. Same as toString().
* @method valueOf
* @return {String} A primitive value version of the error.
*/
valueOf : function () {
return this.toString();
}
});
/**
* ComparisonFailure is subclass of Error that is thrown whenever
* a comparison between two values fails. It provides mechanisms to retrieve
* both the expected and actual value.
*
* @param {String} message The message to display when the error occurs.
* @param {Object} expected The expected value.
* @param {Object} actual The actual value that caused the assertion to fail.
* @namespace Assert
* @extends Assert.Error
* @class ComparisonFailure
* @constructor
*/
Y.Assert.ComparisonFailure = function (message, expected, actual){
//call superclass
arguments.callee.superclass.constructor.call(this, message);
/**
* The expected value.
* @type Object
* @property expected
*/
this.expected = expected;
/**
* The actual value.
* @type Object
* @property actual
*/
this.actual = actual;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name = "ComparisonFailure";
};
//inherit methods
Y.extend(Y.Assert.ComparisonFailure, Y.Assert.Error, {
/**
* Returns a fully formatted error for an assertion failure. This message
* provides information about the expected and actual values.
* @method toString
* @return {String} A string describing the error.
*/
getMessage : function () {
return this.message + "\nExpected: " + this.expected + " (" + (typeof this.expected) + ")" +
"\nActual: " + this.actual + " (" + (typeof this.actual) + ")";
}
});
/**
* UnexpectedValue is subclass of Error that is thrown whenever
* a value was unexpected in its scope. This typically means that a test
* was performed to determine that a value was *not* equal to a certain
* value.
*
* @param {String} message The message to display when the error occurs.
* @param {Object} unexpected The unexpected value.
* @namespace Assert
* @extends Assert.Error
* @class UnexpectedValue
* @constructor
*/
Y.Assert.UnexpectedValue = function (message, unexpected){
//call superclass
arguments.callee.superclass.constructor.call(this, message);
/**
* The unexpected value.
* @type Object
* @property unexpected
*/
this.unexpected = unexpected;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name = "UnexpectedValue";
};
//inherit methods
Y.extend(Y.Assert.UnexpectedValue, Y.Assert.Error, {
/**
* Returns a fully formatted error for an assertion failure. The message
* contains information about the unexpected value that was encountered.
* @method getMessage
* @return {String} A string describing the error.
*/
getMessage : function () {
return this.message + "\nUnexpected: " + this.unexpected + " (" + (typeof this.unexpected) + ") ";
}
});
/**
* ShouldFail is subclass of Error that is thrown whenever
* a test was expected to fail but did not.
*
* @param {String} message The message to display when the error occurs.
* @namespace Assert
* @extends Assert.Error
* @class ShouldFail
* @constructor
*/
Y.Assert.ShouldFail = function (message){
//call superclass
arguments.callee.superclass.constructor.call(this, message || "This test should fail but didn't.");
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name = "ShouldFail";
};
//inherit methods
Y.extend(Y.Assert.ShouldFail, Y.Assert.Error);
/**
* ShouldError is subclass of Error that is thrown whenever
* a test is expected to throw an error but doesn't.
*
* @param {String} message The message to display when the error occurs.
* @namespace Assert
* @extends Assert.Error
* @class ShouldError
* @constructor
*/
Y.Assert.ShouldError = function (message){
//call superclass
arguments.callee.superclass.constructor.call(this, message || "This test should have thrown an error but didn't.");
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name = "ShouldError";
};
//inherit methods
Y.extend(Y.Assert.ShouldError, Y.Assert.Error);
/**
* UnexpectedError is subclass of Error that is thrown whenever
* an error occurs within the course of a test and the test was not expected
* to throw an error.
*
* @param {Error} cause The unexpected error that caused this error to be
* thrown.
* @namespace Assert
* @extends Assert.Error
* @class UnexpectedError
* @constructor
*/
Y.Assert.UnexpectedError = function (cause){
//call superclass
arguments.callee.superclass.constructor.call(this, "Unexpected error: " + cause.message);
/**
* The unexpected error that occurred.
* @type Error
* @property cause
*/
this.cause = cause;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name = "UnexpectedError";
/**
* Stack information for the error (if provided).
* @type String
* @property stack
*/
this.stack = cause.stack;
};
//inherit methods
Y.extend(Y.Assert.UnexpectedError, Y.Assert.Error);
/**
* The ArrayAssert object provides functions to test JavaScript array objects
* for a variety of cases.
*
* @class ArrayAssert
* @static
*/
Y.ArrayAssert = {
/**
* Asserts that a value is present in an array. This uses the triple equals
* sign so no type cohersion may occur.
* @param {Object} needle The value that is expected in the array.
* @param {Array} haystack An array of values.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method contains
* @static
*/
contains : function (needle, haystack,
message) {
Y.Assert._increment();
if (Y.Array.indexOf(haystack, needle) == -1){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value " + needle + " (" + (typeof needle) + ") not found in array [" + haystack + "]."));
}
},
/**
* Asserts that a set of values are present in an array. This uses the triple equals
* sign so no type cohersion may occur. For this assertion to pass, all values must
* be found.
* @param {Object[]} needles An array of values that are expected in the array.
* @param {Array} haystack An array of values to check.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method containsItems
* @static
*/
containsItems : function (needles, haystack,
message) {
Y.Assert._increment();
//begin checking values
for (var i=0; i < needles.length; i++){
if (Y.Array.indexOf(haystack, needles[i]) == -1){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value " + needles[i] + " (" + (typeof needles[i]) + ") not found in array [" + haystack + "]."));
}
}
},
/**
* Asserts that a value matching some condition is present in an array. This uses
* a function to determine a match.
* @param {Function} matcher A function that returns true if the items matches or false if not.
* @param {Array} haystack An array of values.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method containsMatch
* @static
*/
containsMatch : function (matcher, haystack,
message) {
Y.Assert._increment();
//check for valid matcher
if (typeof matcher != "function"){
throw new TypeError("ArrayAssert.containsMatch(): First argument must be a function.");
}
if (!Y.Array.some(haystack, matcher)){
Y.Assert.fail(Y.Assert._formatMessage(message, "No match found in array [" + haystack + "]."));
}
},
/**
* Asserts that a value is not present in an array. This uses the triple equals
* Asserts that a value is not present in an array. This uses the triple equals
* sign so no type cohersion may occur.
* @param {Object} needle The value that is expected in the array.
* @param {Array} haystack An array of values.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method doesNotContain
* @static
*/
doesNotContain : function (needle, haystack,
message) {
Y.Assert._increment();
if (Y.Array.indexOf(haystack, needle) > -1){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value found in array [" + haystack + "]."));
}
},
/**
* Asserts that a set of values are not present in an array. This uses the triple equals
* sign so no type cohersion may occur. For this assertion to pass, all values must
* not be found.
* @param {Object[]} needles An array of values that are not expected in the array.
* @param {Array} haystack An array of values to check.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method doesNotContainItems
* @static
*/
doesNotContainItems : function (needles, haystack,
message) {
Y.Assert._increment();
for (var i=0; i < needles.length; i++){
if (Y.Array.indexOf(haystack, needles[i]) > -1){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value found in array [" + haystack + "]."));
}
}
},
/**
* Asserts that no values matching a condition are present in an array. This uses
* a function to determine a match.
* @param {Function} matcher A function that returns true if the items matches or false if not.
* @param {Array} haystack An array of values.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method doesNotContainMatch
* @static
*/
doesNotContainMatch : function (matcher, haystack,
message) {
Y.Assert._increment();
//check for valid matcher
if (typeof matcher != "function"){
throw new TypeError("ArrayAssert.doesNotContainMatch(): First argument must be a function.");
}
if (Y.Array.some(haystack, matcher)){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value found in array [" + haystack + "]."));
}
},
/**
* Asserts that the given value is contained in an array at the specified index.
* This uses the triple equals sign so no type cohersion will occur.
* @param {Object} needle The value to look for.
* @param {Array} haystack The array to search in.
* @param {int} index The index at which the value should exist.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method indexOf
* @static
*/
indexOf : function (needle, haystack, index, message) {
Y.Assert._increment();
//try to find the value in the array
for (var i=0; i < haystack.length; i++){
if (haystack[i] === needle){
if (index != i){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value exists at index " + i + " but should be at index " + index + "."));
}
return;
}
}
//if it makes it here, it wasn't found at all
Y.Assert.fail(Y.Assert._formatMessage(message, "Value doesn't exist in array [" + haystack + "]."));
},
/**
* Asserts that the values in an array are equal, and in the same position,
* as values in another array. This uses the double equals sign
* so type cohersion may occur. Note that the array objects themselves
* need not be the same for this test to pass.
* @param {Array} expected An array of the expected values.
* @param {Array} actual Any array of the actual values.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method itemsAreEqual
* @static
*/
itemsAreEqual : function (expected, actual,
message) {
Y.Assert._increment();
//first check array length
if (expected.length != actual.length){
Y.Assert.fail(Y.Assert._formatMessage(message, "Array should have a length of " + expected.length + " but has a length of " + actual.length));
}
//begin checking values
for (var i=0; i < expected.length; i++){
if (expected[i] != actual[i]){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Values in position " + i + " are not equal."), expected[i], actual[i]);
}
}
},
/**
* Asserts that the values in an array are equivalent, and in the same position,
* as values in another array. This uses a function to determine if the values
* are equivalent. Note that the array objects themselves
* need not be the same for this test to pass.
* @param {Array} expected An array of the expected values.
* @param {Array} actual Any array of the actual values.
* @param {Function} comparator A function that returns true if the values are equivalent
* or false if not.
* @param {String} message (Optional) The message to display if the assertion fails.
* @return {Void}
* @method itemsAreEquivalent
* @static
*/
itemsAreEquivalent : function (expected, actual,
comparator, message) {
Y.Assert._increment();
//make sure the comparator is valid
if (typeof comparator != "function"){
throw new TypeError("ArrayAssert.itemsAreEquivalent(): Third argument must be a function.");
}
//first check array length
if (expected.length != actual.length){
Y.Assert.fail(Y.Assert._formatMessage(message, "Array should have a length of " + expected.length + " but has a length of " + actual.length));
}
//begin checking values
for (var i=0; i < expected.length; i++){
if (!comparator(expected[i], actual[i])){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Values in position " + i + " are not equivalent."), expected[i], actual[i]);
}
}
},
/**
* Asserts that an array is empty.
* @param {Array} actual The array to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isEmpty
* @static
*/
isEmpty : function (actual, message) {
Y.Assert._increment();
if (actual.length > 0){
Y.Assert.fail(Y.Assert._formatMessage(message, "Array should be empty."));
}
},
/**
* Asserts that an array is not empty.
* @param {Array} actual The array to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method isNotEmpty
* @static
*/
isNotEmpty : function (actual, message) {
Y.Assert._increment();
if (actual.length === 0){
Y.Assert.fail(Y.Assert._formatMessage(message, "Array should not be empty."));
}
},
/**
* Asserts that the values in an array are the same, and in the same position,
* as values in another array. This uses the triple equals sign
* so no type cohersion will occur. Note that the array objects themselves
* need not be the same for this test to pass.
* @param {Array} expected An array of the expected values.
* @param {Array} actual Any array of the actual values.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method itemsAreSame
* @static
*/
itemsAreSame : function (expected, actual,
message) {
Y.Assert._increment();
//first check array length
if (expected.length != actual.length){
Y.Assert.fail(Y.Assert._formatMessage(message, "Array should have a length of " + expected.length + " but has a length of " + actual.length));
}
//begin checking values
for (var i=0; i < expected.length; i++){
if (expected[i] !== actual[i]){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Values in position " + i + " are not the same."), expected[i], actual[i]);
}
}
},
/**
* Asserts that the given value is contained in an array at the specified index,
* starting from the back of the array.
* This uses the triple equals sign so no type cohersion will occur.
* @param {Object} needle The value to look for.
* @param {Array} haystack The array to search in.
* @param {int} index The index at which the value should exist.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method lastIndexOf
* @static
*/
lastIndexOf : function (needle, haystack, index, message) {
//try to find the value in the array
for (var i=haystack.length; i >= 0; i--){
if (haystack[i] === needle){
if (index != i){
Y.Assert.fail(Y.Assert._formatMessage(message, "Value exists at index " + i + " but should be at index " + index + "."));
}
return;
}
}
//if it makes it here, it wasn't found at all
Y.Assert.fail(Y.Assert._formatMessage(message, "Value doesn't exist in array."));
}
};
/**
* The ObjectAssert object provides functions to test JavaScript objects
* for a variety of cases.
*
* @class ObjectAssert
* @static
*/
Y.ObjectAssert = {
areEqual: function(expected, actual, message) {
Y.Assert._increment();
Y.Object.each(expected, function(value, name){
if (expected[name] != actual[name]){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, "Values should be equal for property " + name), expected[name], actual[name]);
}
});
},
/**
* Asserts that an object has a property with the given name.
* @param {String} propertyName The name of the property to test.
* @param {Object} object The object to search.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method hasKey
* @static
*/
hasKey: function (propertyName, object, message) {
Y.Assert._increment();
if (!Y.Object.hasKey(object, propertyName)){
Y.fail(Y.Assert._formatMessage(message, "Property '" + propertyName + "' not found on object."));
}
},
/**
* Asserts that an object has all properties of a reference object.
* @param {Array} properties An array of property names that should be on the object.
* @param {Object} object The object to search.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method hasKeys
* @static
*/
hasKeys: function (properties, object, message) {
Y.Assert._increment();
for (var i=0; i < properties.length; i++){
if (!Y.Object.hasKey(object, properties[i])){
Y.fail(Y.Assert._formatMessage(message, "Property '" + properties[i] + "' not found on object."));
}
}
},
/**
* Asserts that a property with the given name exists on an object instance (not on its prototype).
* @param {String} propertyName The name of the property to test.
* @param {Object} object The object to search.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method ownsKey
* @static
*/
ownsKey: function (propertyName, object, message) {
Y.Assert._increment();
if (!object.hasOwnProperty(propertyName)){
Y.fail(Y.Assert._formatMessage(message, "Property '" + propertyName + "' not found on object instance."));
}
},
/**
* Asserts that all properties exist on an object instance (not on its prototype).
* @param {Array} properties An array of property names that should be on the object.
* @param {Object} object The object to search.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method ownsKeys
* @static
*/
ownsKeys: function (properties, object, message) {
Y.Assert._increment();
for (var i=0; i < properties.length; i++){
if (!object.hasOwnProperty(properties[i])){
Y.fail(Y.Assert._formatMessage(message, "Property '" + properties[i] + "' not found on object instance."));
}
}
},
/**
* Asserts that an object owns no properties.
* @param {Object} object The object to check.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method ownsNoKeys
* @static
*/
ownsNoKeys : function (object, message) {
Y.Assert._increment();
var keys = Y.Object.keys(object);
if (keys.length > 0){
Y.fail(Y.Assert._formatMessage(message, "Object owns " + keys.length + " properties but should own none."));
}
}
};
/**
* The DateAssert object provides functions to test JavaScript Date objects
* for a variety of cases.
*
* @class DateAssert
* @static
*/
Y.DateAssert = {
/**
* Asserts that a date's month, day, and year are equal to another date's.
* @param {Date} expected The expected date.
* @param {Date} actual The actual date to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method datesAreEqual
* @static
*/
datesAreEqual : function (expected, actual, message){
Y.Assert._increment();
if (expected instanceof Date && actual instanceof Date){
var msg = "";
//check years first
if (expected.getFullYear() != actual.getFullYear()){
msg = "Years should be equal.";
}
//now check months
if (expected.getMonth() != actual.getMonth()){
msg = "Months should be equal.";
}
//last, check the day of the month
if (expected.getDate() != actual.getDate()){
msg = "Days of month should be equal.";
}
if (msg.length){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, msg), expected, actual);
}
} else {
throw new TypeError("Y.Assert.datesAreEqual(): Expected and actual values must be Date objects.");
}
},
/**
* Asserts that a date's hour, minutes, and seconds are equal to another date's.
* @param {Date} expected The expected date.
* @param {Date} actual The actual date to test.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method timesAreEqual
* @static
*/
timesAreEqual : function (expected, actual, message){
Y.Assert._increment();
if (expected instanceof Date && actual instanceof Date){
var msg = "";
//check hours first
if (expected.getHours() != actual.getHours()){
msg = "Hours should be equal.";
}
//now check minutes
if (expected.getMinutes() != actual.getMinutes()){
msg = "Minutes should be equal.";
}
//last, check the seconds
if (expected.getSeconds() != actual.getSeconds()){
msg = "Seconds should be equal.";
}
if (msg.length){
throw new Y.Assert.ComparisonFailure(Y.Assert._formatMessage(message, msg), expected, actual);
}
} else {
throw new TypeError("DateY.AsserttimesAreEqual(): Expected and actual values must be Date objects.");
}
}
};
Y.namespace("Test.Format");
/* (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 "&lt;";
case ">": return "&gt;";
case "\"": return "&quot;";
case "'": return "&apos;";
case "&": return "&amp;";
}
});
}
/**
* 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.
* @namespace Test.Format
* @method JSON
* @static
*/
Y.Test.Format.JSON = function(results) {
return Y.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.
* @namespace Test.Format
* @method XML
* @static
*/
Y.Test.Format.XML = function(results) {
var l = Y.Lang;
var xml = "<" + results.type + " name=\"" + xmlEscape(results.name) + "\"";
if (results.type == "test"){
xml += " result=\"" + xmlEscape(results.result) + "\" message=\"" + xmlEscape(results.message) + "\">";
} else {
xml += " passed=\"" + results.passed + "\" failed=\"" + results.failed + "\" ignored=\"" + results.ignored + "\" total=\"" + results.total + "\">";
Y.Object.each(results, function(value, prop){
if (l.isObject(value) && !l.isArray(value)){
xml += arguments.callee(value);
}
});
}
xml += "</" + results.type + ">";
return xml;
};
/**
* 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.
* @namespace Test.Format
* @method XML
* @static
*/
Y.Test.Format.XML = function(results) {
function serializeToXML(results){
var l = Y.Lang,
xml = "<" + results.type + " name=\"" + xmlEscape(results.name) + "\"";
if (l.isNumber(results.duration)){
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 + "\">";
Y.Object.each(results, function(value, prop){
if (l.isObject(value) && !l.isArray(value)){
xml += serializeToXML(value);
}
});
}
xml += "</" + results.type + ">";
return xml;
}
return "<?xml version=\"1.0\" charset=\"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.
* @namespace Test.Format
* @method JUnitXML
* @static
*/
Y.Test.Format.JUnitXML = function(results) {
function serializeToJUnitXML(results){
var l = Y.Lang,
xml = "",
prop;
switch (results.type){
//equivalent to testcase in JUnit
case "test":
if (results.result != "ignore"){
xml = "<testcase name=\"" + xmlEscape(results.name) + "\">";
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 + "\">";
Y.Object.each(results, function(value, prop){
if (l.isObject(value) && !l.isArray(value)){
xml += serializeToJUnitXML(value);
}
});
xml += "</testsuite>";
break;
case "testsuite":
Y.Object.each(results, function(value, prop){
if (l.isObject(value) && !l.isArray(value)){
xml += serializeToJUnitXML(value);
}
});
//skip output - no JUnit equivalent
break;
case "report":
xml = "<testsuites>";
Y.Object.each(results, function(value, prop){
if (l.isObject(value) && !l.isArray(value)){
xml += serializeToJUnitXML(value);
}
});
xml += "</testsuites>";
//no default
}
return xml;
}
return "<?xml version=\"1.0\" charset=\"UTF-8\"?>" + serializeToJUnitXML(results);
};
Y.namespace("Test");
/**
* 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 Y.Test.Format.XML.
* @constructor
* @namespace Test
* @class Reporter
*/
Y.Test.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 || Y.Test.Format.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;
};
Y.Test.Reporter.prototype = {
//restore missing constructor
constructor: Y.Test.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 addField
*/
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
if (Y.UA.ie){
this._iframe = document.createElement("<iframe name=\"yuiTestTarget\" />");
} else {
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
Y.Object.each(this._fields, function(value, prop){
if (typeof value != "function"){
var input = document.createElement("input");
input.type = "hidden";
input.name = prop;
input.value = value;
this._form.appendChild(input);
}
}, this);
//remove default fields
delete this._fields.results;
delete this._fields.useragent;
delete this._fields.timestamp;
if (arguments[1] !== false){
this._form.submit();
}
}
};
/**
* Creates a new mock object.
* @class Mock
* @constructor
* @param {Object} template (Optional) An object whose methods
* should be stubbed out on the mock object.
*/
Y.Mock = function(template){
//use blank object is nothing is passed in
template = template || {};
var mock = null;
//try to create mock that keeps prototype chain intact
try {
mock = Y.Object(template);
} catch (ex) {
mock = {};
Y.log("Couldn't create mock with prototype.", "warn", "Mock");
}
//create new versions of the methods so that they don't actually do anything
Y.Object.each(template, function(name){
if (Y.Lang.isFunction(template[name])){
mock[name] = function(){
Y.Assert.fail("Method " + name + "() was called but was not expected to be.");
};
}
});
//return it
return mock;
};
/**
* Assigns an expectation to a mock object. This is used to create
* methods and properties on the mock object that are monitored for
* calls and changes, respectively.
* @param {Object} mock The object to add the expectation to.
* @param {Object} expectation An object defining the expectation. For
* a method, the keys "method" and "args" are required with
* an optional "returns" key available. For properties, the keys
* "property" and "value" are required.
* @return {void}
* @method expect
* @static
*/
Y.Mock.expect = function(mock /*:Object*/, expectation /*:Object*/){
//make sure there's a place to store the expectations
if (!mock.__expectations) {
mock.__expectations = {};
}
//method expectation
if (expectation.method){
var name = expectation.method,
args = expectation.args || expectation.arguments || [],
result = expectation.returns,
callCount = Y.Lang.isNumber(expectation.callCount) ? expectation.callCount : 1,
error = expectation.error,
run = expectation.run || function(){};
//save expectations
mock.__expectations[name] = expectation;
expectation.callCount = callCount;
expectation.actualCallCount = 0;
//process arguments
Y.Array.each(args, function(arg, i, array){
if (!(array[i] instanceof Y.Mock.Value)){
array[i] = Y.Mock.Value(Y.Assert.areSame, [arg], "Argument " + i + " of " + name + "() is incorrect.");
}
});
//if the method is expected to be called
if (callCount > 0){
mock[name] = function(){
try {
expectation.actualCallCount++;
Y.Assert.areEqual(args.length, arguments.length, "Method " + name + "() passed incorrect number of arguments.");
for (var i=0, len=args.length; i < len; i++){
//if (args[i]){
args[i].verify(arguments[i]);
//} else {
// Y.Assert.fail("Argument " + i + " (" + arguments[i] + ") was not expected to be used.");
//}
}
run.apply(this, arguments);
if (error){
throw error;
}
} catch (ex){
//route through TestRunner for proper handling
Y.Test.Runner._handleError(ex);
}
return result;
};
} else {
//method should fail if called when not expected
mock[name] = function(){
try {
Y.Assert.fail("Method " + name + "() should not have been called.");
} catch (ex){
//route through TestRunner for proper handling
Y.Test.Runner._handleError(ex);
}
};
}
} else if (expectation.property){
//save expectations
mock.__expectations[name] = expectation;
}
};
/**
* Verifies that all expectations of a mock object have been met and
* throws an assertion error if not.
* @param {Object} mock The object to verify..
* @return {void}
* @method verify
* @static
*/
Y.Mock.verify = function(mock /*:Object*/){
try {
Y.Object.each(mock.__expectations, function(expectation){
if (expectation.method) {
Y.Assert.areEqual(expectation.callCount, expectation.actualCallCount, "Method " + expectation.method + "() wasn't called the expected number of times.");
} else if (expectation.property){
Y.Assert.areEqual(expectation.value, mock[expectation.property], "Property " + expectation.property + " wasn't set to the correct value.");
}
});
} catch (ex){
//route through TestRunner for proper handling
Y.Test.Runner._handleError(ex);
}
};
Y.Mock.Value = function(method, originalArgs, message){
if (this instanceof Y.Mock.Value){
this.verify = function(value){
var args = [].concat(originalArgs || []);
args.push(value);
args.push(message);
method.apply(null, args);
};
} else {
return new Y.Mock.Value(method, originalArgs, message);
}
};
Y.Mock.Value.Any = Y.Mock.Value(function(){});
Y.Mock.Value.Boolean = Y.Mock.Value(Y.Assert.isBoolean);
Y.Mock.Value.Number = Y.Mock.Value(Y.Assert.isNumber);
Y.Mock.Value.String = Y.Mock.Value(Y.Assert.isString);
Y.Mock.Value.Object = Y.Mock.Value(Y.Assert.isObject);
Y.Mock.Value.Function = Y.Mock.Value(Y.Assert.isFunction);
}, '3.0.0' ,{requires:['substitute','event-base']});
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