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CommunityID/webdir/javascript/yui/yuitest/yuitest_core.js

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import v1.0.0-RC4 | 2009-05-20
2019-07-17 20:08:50 +00:00
/*
Copyright (c) 2008, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 2.6.0
*/
YAHOO.namespace("tool");
//-----------------------------------------------------------------------------
// TestCase object
//-----------------------------------------------------------------------------
(function(){
//used for autogenerating test case names
var tempId = 0;
/**
* 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 TestCase
* @namespace YAHOO.tool
* @constructor
*/
YAHOO.tool.TestCase = function (template /*:Object*/) {
/**
* 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 /*:Object*/ = {};
//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 (!YAHOO.lang.isString(this.name)){
/**
* Name for the test case.
*/
this.name /*:String*/ = "testCase" + (tempId++);
}
};
YAHOO.tool.TestCase.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 /*:Function*/) /*:Void*/ {
YAHOO.tool.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 /*:Function*/, delay /*:int*/) /*:Void*/{
var args = arguments;
if (YAHOO.lang.isFunction(args[0])){
throw new YAHOO.tool.TestCase.Wait(args[0], args[1]);
} else {
throw new YAHOO.tool.TestCase.Wait(function(){
YAHOO.util.Assert.fail("Timeout: wait() called but resume() never called.");
}, (YAHOO.lang.isNumber(args[0]) ? args[0] : 10000));
}
},
//-------------------------------------------------------------------------
// Stub Methods
//-------------------------------------------------------------------------
/**
* Function to run before each test is executed.
* @return {Void}
* @method setUp
*/
setUp : function () /*:Void*/ {
},
/**
* Function to run after each test is executed.
* @return {Void}
* @method tearDown
*/
tearDown: function () /*:Void*/ {
}
};
/**
* 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 YAHOO.tool.TestCase
* @constructor
*
*/
YAHOO.tool.TestCase.Wait = function (segment /*:Function*/, delay /*:int*/) {
/**
* The segment of code to run when the wait is over.
* @type Function
* @property segment
*/
this.segment /*:Function*/ = (YAHOO.lang.isFunction(segment) ? segment : null);
/**
* The delay before running the segment of code.
* @type int
* @property delay
*/
this.delay /*:int*/ = (YAHOO.lang.isNumber(delay) ? delay : 0);
};
})();
YAHOO.namespace("tool");
//-----------------------------------------------------------------------------
// TestSuite object
//-----------------------------------------------------------------------------
/**
* 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 YAHOO.tool
* @class TestSuite
* @constructor
*/
YAHOO.tool.TestSuite = function (data /*:String||Object*/) {
/**
* The name of the test suite.
* @type String
* @property name
*/
this.name /*:String*/ = "";
/**
* Array of test suites and
* @private
*/
this.items /*:Array*/ = [];
//initialize the properties
if (YAHOO.lang.isString(data)){
this.name = data;
} else if (YAHOO.lang.isObject(data)){
YAHOO.lang.augmentObject(this, data, true);
}
//double-check name
if (this.name === ""){
this.name = YAHOO.util.Dom.generateId(null, "testSuite");
}
};
YAHOO.tool.TestSuite.prototype = {
/**
* Adds a test suite or test case to the test suite.
* @param {YAHOO.tool.TestSuite||YAHOO.tool.TestCase} testObject The test suite or test case to add.
* @return {Void}
* @method add
*/
add : function (testObject /*:YAHOO.tool.TestSuite*/) /*:Void*/ {
if (testObject instanceof YAHOO.tool.TestSuite || testObject instanceof YAHOO.tool.TestCase) {
this.items.push(testObject);
}
},
//-------------------------------------------------------------------------
// Stub Methods
//-------------------------------------------------------------------------
/**
* Function to run before each test is executed.
* @return {Void}
* @method setUp
*/
setUp : function () /*:Void*/ {
},
/**
* Function to run after each test is executed.
* @return {Void}
* @method tearDown
*/
tearDown: function () /*:Void*/ {
}
};
YAHOO.namespace("tool");
/**
* The YUI test tool
* @module yuitest
* @namespace YAHOO.tool
* @requires yahoo,dom,event,logger
*/
//-----------------------------------------------------------------------------
// TestRunner object
//-----------------------------------------------------------------------------
YAHOO.tool.TestRunner = (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 /*:Variant*/){
/**
* 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 /*:TestNode*/ = 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 /*:Object*/ = {
passed : 0,
failed : 0,
total : 0,
ignored : 0
};
//initialize results
if (testObject instanceof YAHOO.tool.TestSuite){
this.results.type = "testsuite";
this.results.name = testObject.name;
} else if (testObject instanceof YAHOO.tool.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}
*/
appendChild : function (testObject /*:Variant*/) /*:Void*/{
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 YAHOO.tool
* @class TestRunner
* @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 YAHOO.tool.TestSuite
* @property masterSuite
* @private
* @static
*/
this.masterSuite /*:YAHOO.tool.TestSuite*/ = new YAHOO.tool.TestSuite("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;
//create events
var events /*:Array*/ = [
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.createEvent(events[i], { scope: this });
}
}
YAHOO.lang.extend(TestRunner, YAHOO.util.EventProvider, {
//-------------------------------------------------------------------------
// Constants
//-------------------------------------------------------------------------
/**
* Fires when a test case is opened but before the first
* test is executed.
* @event testcasebegin
*/
TEST_CASE_BEGIN_EVENT /*:String*/ : "testcasebegin",
/**
* Fires when all tests in a test case have been executed.
* @event testcasecomplete
*/
TEST_CASE_COMPLETE_EVENT /*:String*/ : "testcasecomplete",
/**
* Fires when a test suite is opened but before the first
* test is executed.
* @event testsuitebegin
*/
TEST_SUITE_BEGIN_EVENT /*:String*/ : "testsuitebegin",
/**
* Fires when all test cases in a test suite have been
* completed.
* @event testsuitecomplete
*/
TEST_SUITE_COMPLETE_EVENT /*:String*/ : "testsuitecomplete",
/**
* Fires when a test has passed.
* @event pass
*/
TEST_PASS_EVENT /*:String*/ : "pass",
/**
* Fires when a test has failed.
* @event fail
*/
TEST_FAIL_EVENT /*:String*/ : "fail",
/**
* Fires when a test has been ignored.
* @event ignore
*/
TEST_IGNORE_EVENT /*:String*/ : "ignore",
/**
* Fires when all test suites and test cases have been completed.
* @event complete
*/
COMPLETE_EVENT /*:String*/ : "complete",
/**
* Fires when the run() method is called.
* @event begin
*/
BEGIN_EVENT /*:String*/ : "begin",
//-------------------------------------------------------------------------
// 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 {YAHOO.tool.TestCase} testCase The test case to add.
* @return {Void}
* @static
* @private
* @method _addTestCaseToTestTree
*/
_addTestCaseToTestTree : function (parentNode /*:TestNode*/, testCase /*:YAHOO.tool.TestCase*/) /*:Void*/{
//add the test suite
var node = parentNode.appendChild(testCase);
//iterate over the items in the test case
for (var prop in testCase){
if (prop.indexOf("test") === 0 && YAHOO.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 {YAHOO.tool.TestSuite} testSuite The test suite to add.
* @return {Void}
* @static
* @private
* @method _addTestSuiteToTestTree
*/
_addTestSuiteToTestTree : function (parentNode /*:TestNode*/, testSuite /*:YAHOO.tool.TestSuite*/) /*:Void*/ {
//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 YAHOO.tool.TestSuite) {
this._addTestSuiteToTestTree(node, testSuite.items[i]);
} else if (testSuite.items[i] instanceof YAHOO.tool.TestCase) {
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 () /*:Void*/ {
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 YAHOO.tool.TestSuite) {
this._addTestSuiteToTestTree(this._root, this.masterSuite.items[i]);
} else if (this.masterSuite.items[i] instanceof YAHOO.tool.TestCase) {
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
* @static
*/
_handleTestObjectComplete : function (node /*:TestNode*/) /*:Void*/ {
if (YAHOO.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 YAHOO.tool.TestSuite){
node.testObject.tearDown();
this.fireEvent(this.TEST_SUITE_COMPLETE_EVENT, { testSuite: node.testObject, results: node.results});
} else if (node.testObject instanceof YAHOO.tool.TestCase){
this.fireEvent(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 () /*:TestNode*/ {
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.fireEvent(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 {YAHOO.tool.TestCase|YAHOO.tool.TestSuite} 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 () /*:Void*/ {
//flag to indicate if the TestRunner should wait before continuing
var shouldWait /*:Boolean*/ = false;
//get the next test node
var node = this._next();
if (node !== null) {
var testObject = node.testObject;
//figure out what to do
if (YAHOO.lang.isObject(testObject)){
if (testObject instanceof YAHOO.tool.TestSuite){
this.fireEvent(this.TEST_SUITE_BEGIN_EVENT, { testSuite: testObject });
testObject.setUp();
} else if (testObject instanceof YAHOO.tool.TestCase){
this.fireEvent(this.TEST_CASE_BEGIN_EVENT, { testCase: testObject });
}
//some environments don't support setTimeout
if (typeof setTimeout != "undefined"){
setTimeout(function(){
YAHOO.tool.TestRunner._run();
}, 0);
} else {
this._run();
}
} else {
this._runTest(node);
}
}
},
_resumeTest : function (segment /*:Function*/) /*:Void*/ {
//get relevant information
var node /*:TestNode*/ = this._cur;
var testName /*:String*/ = node.testObject;
var testCase /*:YAHOO.tool.TestCase*/ = 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 /*:Object*/ = (testCase._should.fail || {})[testName];
var shouldError /*:Object*/ = (testCase._should.error || {})[testName];
//variable to hold whether or not the test failed
var failed /*:Boolean*/ = false;
var error /*: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 YAHOO.util.ShouldFail();
failed = true;
} else if (shouldError){
error = new YAHOO.util.ShouldError();
failed = true;
}
} catch (thrown /*:Error*/){
if (thrown instanceof YAHOO.util.AssertionError) {
if (!shouldFail){
error = thrown;
failed = true;
}
} else if (thrown instanceof YAHOO.tool.TestCase.Wait){
if (YAHOO.lang.isFunction(thrown.segment)){
if (YAHOO.lang.isNumber(thrown.delay)){
//some environments don't support setTimeout
if (typeof setTimeout != "undefined"){
testCase.__yui_wait = setTimeout(function(){
YAHOO.tool.TestRunner._resumeTest(thrown.segment);
}, thrown.delay);
} 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 YAHOO.util.UnexpectedError(thrown);
failed = true;
} else {
//check to see what type of data we have
if (YAHOO.lang.isString(shouldError)){
//if it's a string, check the error message
if (thrown.message != shouldError){
error = new YAHOO.util.UnexpectedError(thrown);
failed = true;
}
} else if (YAHOO.lang.isFunction(shouldError)){
//if it's a function, see if the error is an instance of it
if (!(thrown instanceof shouldError)){
error = new YAHOO.util.UnexpectedError(thrown);
failed = true;
}
} else if (YAHOO.lang.isObject(shouldError)){
//if it's an object, check the instance and message
if (!(thrown instanceof shouldError.constructor) ||
thrown.message != shouldError.message){
error = new YAHOO.util.UnexpectedError(thrown);
failed = true;
}
}
}
}
}
//fireEvent appropriate event
if (failed) {
this.fireEvent(this.TEST_FAIL_EVENT, { testCase: testCase, testName: testName, error: error });
} else {
this.fireEvent(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(){
YAHOO.tool.TestRunner._run();
}, 0);
} else {
this._run();
}
},
/**
* 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 /*:TestNode*/) /*:Void*/ {
//get relevant information
var testName /*:String*/ = node.testObject;
var testCase /*:YAHOO.tool.TestCase*/ = node.parent.testObject;
var test /*:Function*/ = testCase[testName];
//get the "should" test cases
var shouldIgnore /*:Object*/ = (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.fireEvent(this.TEST_IGNORE_EVENT, { testCase: testCase, testName: testName });
//some environments don't support setTimeout
if (typeof setTimeout != "undefined"){
setTimeout(function(){
YAHOO.tool.TestRunner._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 fireEvent()
* 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 fireEvent
* @static
* @protected
*/
fireEvent : function (type /*:String*/, data /*:Object*/) /*:Void*/ {
data = data || {};
data.type = type;
TestRunner.superclass.fireEvent.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 /*:Object*/) /*:Void*/ {
this.masterSuite.add(testObject);
},
/**
* Removes all test objects from the runner.
* @return {Void}
* @method clear
* @static
*/
clear : function () /*:Void*/ {
this.masterSuite.items = [];
},
/**
* 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 /*:Function*/) /*:Void*/ {
this._resumeTest(segment || function(){});
},
/**
* Runs the test suite.
* @return {Void}
* @method run
* @static
*/
run : function (testObject /*:Object*/) /*:Void*/ {
//pointer to runner to avoid scope issues
var runner = YAHOO.tool.TestRunner;
//build the test tree
runner._buildTestTree();
//set when the test started
runner._root.results.duration = (new Date()).valueOf();
//fire the begin event
runner.fireEvent(runner.BEGIN_EVENT);
//begin the testing
runner._run();
}
});
return new TestRunner();
})();
YAHOO.namespace("util");
//-----------------------------------------------------------------------------
// Assert object
//-----------------------------------------------------------------------------
/**
* The Assert object provides functions to test JavaScript values against
* known and expected results. Whenever a comparison (assertion) fails,
* an error is thrown.
*
* @namespace YAHOO.util
* @class Assert
* @static
*/
YAHOO.util.Assert = {
//-------------------------------------------------------------------------
// 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 /*:String*/, defaultMessage /*:String*/) /*:String*/ {
var message = customMessage;
if (YAHOO.lang.isString(customMessage) && customMessage.length > 0){
return YAHOO.lang.substitute(customMessage, { message: defaultMessage });
} else {
return defaultMessage;
}
},
//-------------------------------------------------------------------------
// 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 /*:String*/) /*:Void*/ {
throw new YAHOO.util.AssertionError(this._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 /*:Object*/, actual /*:Object*/, message /*:String*/) /*:Void*/ {
if (expected != actual) {
throw new YAHOO.util.ComparisonFailure(this._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 /*:Object*/, actual /*:Object*/,
message /*:String*/) /*:Void*/ {
if (unexpected == actual) {
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, actual /*:Object*/, message /*:String*/) /*:Void*/ {
if (unexpected === actual) {
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, actual /*:Object*/, message /*:String*/) /*:Void*/ {
if (expected !== actual) {
throw new YAHOO.util.ComparisonFailure(this._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 /*:Boolean*/, message /*:String*/) {
if (false !== actual) {
throw new YAHOO.util.ComparisonFailure(this._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 /*:Boolean*/, message /*:String*/) /*:Void*/ {
if (true !== actual) {
throw new YAHOO.util.ComparisonFailure(this._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 /*:Object*/, message /*:String*/) /*:Void*/{
if (!isNaN(actual)){
throw new YAHOO.util.ComparisonFailure(this._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 /*:Object*/, message /*:String*/) /*:Void*/{
if (isNaN(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (YAHOO.lang.isNull(actual)) {
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (YAHOO.lang.isUndefined(actual)) {
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isNull(actual)) {
throw new YAHOO.util.ComparisonFailure(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isUndefined(actual)) {
throw new YAHOO.util.ComparisonFailure(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isArray(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isBoolean(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isFunction(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:Function*/, actual /*:Object*/, message /*:String*/) /*:Void*/ {
if (!(actual instanceof expected)){
throw new YAHOO.util.ComparisonFailure(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isNumber(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isObject(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.isString(actual)){
throw new YAHOO.util.UnexpectedValue(this._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 /*:String*/, actualValue /*:Object*/, message /*:String*/) /*:Void*/{
if (typeof actualValue != expectedType){
throw new YAHOO.util.ComparisonFailure(this._formatMessage(message, "Value should be of type " + expected + "."), expected, typeof actual);
}
}
};
//-----------------------------------------------------------------------------
// Assertion errors
//-----------------------------------------------------------------------------
/**
* AssertionError 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 YAHOO.util
* @class AssertionError
* @extends Error
* @constructor
*/
YAHOO.util.AssertionError = function (message /*:String*/){
//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 /*:String*/ = message;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name /*:String*/ = "AssertionError";
};
//inherit methods
YAHOO.lang.extend(YAHOO.util.AssertionError, 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 () /*:String*/ {
return this.message;
},
/**
* Returns a string representation of the error.
* @method toString
* @return {String} A string representation of the error.
*/
toString : function () /*:String*/ {
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 () /*:String*/ {
return this.toString();
}
});
/**
* ComparisonFailure is subclass of AssertionError 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 YAHOO.util
* @extends YAHOO.util.AssertionError
* @class ComparisonFailure
* @constructor
*/
YAHOO.util.ComparisonFailure = function (message /*:String*/, expected /*:Object*/, actual /*:Object*/){
//call superclass
arguments.callee.superclass.constructor.call(this, message);
/**
* The expected value.
* @type Object
* @property expected
*/
this.expected /*:Object*/ = expected;
/**
* The actual value.
* @type Object
* @property actual
*/
this.actual /*:Object*/ = actual;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name /*:String*/ = "ComparisonFailure";
};
//inherit methods
YAHOO.lang.extend(YAHOO.util.ComparisonFailure, YAHOO.util.AssertionError, {
/**
* 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 () /*:String*/ {
return this.message + "\nExpected: " + this.expected + " (" + (typeof this.expected) + ")" +
"\nActual:" + this.actual + " (" + (typeof this.actual) + ")";
}
});
/**
* UnexpectedValue is subclass of AssertionError 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 YAHOO.util
* @extends YAHOO.util.AssertionError
* @class UnexpectedValue
* @constructor
*/
YAHOO.util.UnexpectedValue = function (message /*:String*/, unexpected /*:Object*/){
//call superclass
arguments.callee.superclass.constructor.call(this, message);
/**
* The unexpected value.
* @type Object
* @property unexpected
*/
this.unexpected /*:Object*/ = unexpected;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name /*:String*/ = "UnexpectedValue";
};
//inherit methods
YAHOO.lang.extend(YAHOO.util.UnexpectedValue, YAHOO.util.AssertionError, {
/**
* 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 () /*:String*/ {
return this.message + "\nUnexpected: " + this.unexpected + " (" + (typeof this.unexpected) + ") ";
}
});
/**
* ShouldFail is subclass of AssertionError 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 YAHOO.util
* @extends YAHOO.util.AssertionError
* @class ShouldFail
* @constructor
*/
YAHOO.util.ShouldFail = function (message /*:String*/){
//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 /*:String*/ = "ShouldFail";
};
//inherit methods
YAHOO.lang.extend(YAHOO.util.ShouldFail, YAHOO.util.AssertionError);
/**
* ShouldError is subclass of AssertionError 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 YAHOO.util
* @extends YAHOO.util.AssertionError
* @class ShouldError
* @constructor
*/
YAHOO.util.ShouldError = function (message /*:String*/){
//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 /*:String*/ = "ShouldError";
};
//inherit methods
YAHOO.lang.extend(YAHOO.util.ShouldError, YAHOO.util.AssertionError);
/**
* UnexpectedError is subclass of AssertionError 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 YAHOO.util
* @extends YAHOO.util.AssertionError
* @class UnexpectedError
* @constructor
*/
YAHOO.util.UnexpectedError = function (cause /*:Object*/){
//call superclass
arguments.callee.superclass.constructor.call(this, "Unexpected error: " + cause.message);
/**
* The unexpected error that occurred.
* @type Error
* @property cause
*/
this.cause /*:Error*/ = cause;
/**
* The name of the error that occurred.
* @type String
* @property name
*/
this.name /*:String*/ = "UnexpectedError";
/**
* Stack information for the error (if provided).
* @type String
* @property stack
*/
this.stack /*:String*/ = cause.stack;
};
//inherit methods
YAHOO.lang.extend(YAHOO.util.UnexpectedError, YAHOO.util.AssertionError);
//-----------------------------------------------------------------------------
// ArrayAssert object
//-----------------------------------------------------------------------------
/**
* The ArrayAssert object provides functions to test JavaScript array objects
* for a variety of cases.
*
* @namespace YAHOO.util
* @class ArrayAssert
* @static
*/
YAHOO.util.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 /*:Object*/, haystack /*:Array*/,
message /*:String*/) /*:Void*/ {
var found /*:Boolean*/ = false;
var Assert = YAHOO.util.Assert;
//begin checking values
for (var i=0; i < haystack.length && !found; i++){
if (haystack[i] === needle) {
found = true;
}
}
if (!found){
Assert.fail(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 /*:Object[]*/, haystack /*:Array*/,
message /*:String*/) /*:Void*/ {
//begin checking values
for (var i=0; i < needles.length; i++){
this.contains(needles[i], haystack, message);
}
},
/**
* 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 /*:Function*/, haystack /*:Array*/,
message /*:String*/) /*:Void*/ {
//check for valid matcher
if (typeof matcher != "function"){
throw new TypeError("ArrayAssert.containsMatch(): First argument must be a function.");
}
var found /*:Boolean*/ = false;
var Assert = YAHOO.util.Assert;
//begin checking values
for (var i=0; i < haystack.length && !found; i++){
if (matcher(haystack[i])) {
found = true;
}
}
if (!found){
Assert.fail(Assert._formatMessage(message, "No match found in array [" + haystack + "]."));
}
},
/**
* 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 /*:Object*/, haystack /*:Array*/,
message /*:String*/) /*:Void*/ {
var found /*:Boolean*/ = false;
var Assert = YAHOO.util.Assert;
//begin checking values
for (var i=0; i < haystack.length && !found; i++){
if (haystack[i] === needle) {
found = true;
}
}
if (found){
Assert.fail(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 /*:Object[]*/, haystack /*:Array*/,
message /*:String*/) /*:Void*/ {
for (var i=0; i < needles.length; i++){
this.doesNotContain(needles[i], haystack, message);
}
},
/**
* 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 /*:Function*/, haystack /*:Array*/,
message /*:String*/) /*:Void*/ {
//check for valid matcher
if (typeof matcher != "function"){
throw new TypeError("ArrayAssert.doesNotContainMatch(): First argument must be a function.");
}
var found /*:Boolean*/ = false;
var Assert = YAHOO.util.Assert;
//begin checking values
for (var i=0; i < haystack.length && !found; i++){
if (matcher(haystack[i])) {
found = true;
}
}
if (found){
Assert.fail(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 /*:Object*/, haystack /*:Array*/, index /*:int*/, message /*:String*/) /*:Void*/ {
//try to find the value in the array
for (var i=0; i < haystack.length; i++){
if (haystack[i] === needle){
YAHOO.util.Assert.areEqual(index, i, message || "Value exists at index " + i + " but should be at index " + index + ".");
return;
}
}
var Assert = YAHOO.util.Assert;
//if it makes it here, it wasn't found at all
Assert.fail(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 /*:Array*/, actual /*:Array*/,
message /*:String*/) /*:Void*/ {
//one may be longer than the other, so get the maximum length
var len /*:int*/ = Math.max(expected.length, actual.length);
var Assert = YAHOO.util.Assert;
//begin checking values
for (var i=0; i < len; i++){
Assert.areEqual(expected[i], actual[i],
Assert._formatMessage(message, "Values in position " + i + " are not equal."));
}
},
/**
* 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 /*:Array*/, actual /*:Array*/,
comparator /*:Function*/, message /*:String*/) /*:Void*/ {
//make sure the comparator is valid
if (typeof comparator != "function"){
throw new TypeError("ArrayAssert.itemsAreEquivalent(): Third argument must be a function.");
}
//one may be longer than the other, so get the maximum length
var len /*:int*/ = Math.max(expected.length, actual.length);
//begin checking values
for (var i=0; i < len; i++){
if (!comparator(expected[i], actual[i])){
throw new YAHOO.util.ComparisonFailure(YAHOO.util.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 /*:Array*/, message /*:String*/) /*:Void*/ {
if (actual.length > 0){
var Assert = YAHOO.util.Assert;
Assert.fail(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 /*:Array*/, message /*:String*/) /*:Void*/ {
if (actual.length === 0){
var Assert = YAHOO.util.Assert;
Assert.fail(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 /*:Array*/, actual /*:Array*/,
message /*:String*/) /*:Void*/ {
//one may be longer than the other, so get the maximum length
var len /*:int*/ = Math.max(expected.length, actual.length);
var Assert = YAHOO.util.Assert;
//begin checking values
for (var i=0; i < len; i++){
Assert.areSame(expected[i], actual[i],
Assert._formatMessage(message, "Values in position " + i + " are not the same."));
}
},
/**
* 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 /*:Object*/, haystack /*:Array*/, index /*:int*/, message /*:String*/) /*:Void*/ {
var Assert = YAHOO.util.Assert;
//try to find the value in the array
for (var i=haystack.length; i >= 0; i--){
if (haystack[i] === needle){
Assert.areEqual(index, i, 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
Assert.fail(Assert._formatMessage(message, "Value doesn't exist in array."));
}
};
YAHOO.namespace("util");
//-----------------------------------------------------------------------------
// ObjectAssert object
//-----------------------------------------------------------------------------
/**
* The ObjectAssert object provides functions to test JavaScript objects
* for a variety of cases.
*
* @namespace YAHOO.util
* @class ObjectAssert
* @static
*/
YAHOO.util.ObjectAssert = {
/**
* Asserts that all properties in the object exist in another object.
* @param {Object} expected An object with the expected properties.
* @param {Object} actual An object with the actual properties.
* @param {String} message (Optional) The message to display if the assertion fails.
* @method propertiesAreEqual
* @static
*/
propertiesAreEqual : function (expected /*:Object*/, actual /*:Object*/,
message /*:String*/) /*:Void*/ {
var Assert = YAHOO.util.Assert;
//get all properties in the object
var properties /*:Array*/ = [];
for (var property in expected){
properties.push(property);
}
//see if the properties are in the expected object
for (var i=0; i < properties.length; i++){
Assert.isNotUndefined(actual[properties[i]],
Assert._formatMessage(message, "Property '" + properties[i] + "' expected."));
}
},
/**
* 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 hasProperty
* @static
*/
hasProperty : function (propertyName /*:String*/, object /*:Object*/, message /*:String*/) /*:Void*/ {
if (!(propertyName in object)){
var Assert = YAHOO.util.Assert;
Assert.fail(Assert._formatMessage(message, "Property '" + propertyName + "' 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 hasProperty
* @static
*/
hasOwnProperty : function (propertyName /*:String*/, object /*:Object*/, message /*:String*/) /*:Void*/ {
if (!YAHOO.lang.hasOwnProperty(object, propertyName)){
var Assert = YAHOO.util.Assert;
Assert.fail(Assert._formatMessage(message, "Property '" + propertyName + "' not found on object instance."));
}
}
};
//-----------------------------------------------------------------------------
// DateAssert object
//-----------------------------------------------------------------------------
/**
* The DateAssert object provides functions to test JavaScript Date objects
* for a variety of cases.
*
* @namespace YAHOO.util
* @class DateAssert
* @static
*/
YAHOO.util.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 /*:Date*/, actual /*:Date*/, message /*:String*/){
if (expected instanceof Date && actual instanceof Date){
var Assert = YAHOO.util.Assert;
Assert.areEqual(expected.getFullYear(), actual.getFullYear(), Assert._formatMessage(message, "Years should be equal."));
Assert.areEqual(expected.getMonth(), actual.getMonth(), Assert._formatMessage(message, "Months should be equal."));
Assert.areEqual(expected.getDate(), actual.getDate(), Assert._formatMessage(message, "Day of month should be equal."));
} else {
throw new TypeError("DateAssert.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 /*:Date*/, actual /*:Date*/, message /*:String*/){
if (expected instanceof Date && actual instanceof Date){
var Assert = YAHOO.util.Assert;
Assert.areEqual(expected.getHours(), actual.getHours(), Assert._formatMessage(message, "Hours should be equal."));
Assert.areEqual(expected.getMinutes(), actual.getMinutes(), Assert._formatMessage(message, "Minutes should be equal."));
Assert.areEqual(expected.getSeconds(), actual.getSeconds(), Assert._formatMessage(message, "Seconds should be equal."));
} else {
throw new TypeError("DateAssert.timesAreEqual(): Expected and actual values must be Date objects.");
}
}
};
YAHOO.register("yuitest_core", YAHOO.tool.TestRunner, {version: "2.6.0", build: "1321"});
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