Testing Issues in Java Technology

runing Issues in coffee TechnologyINTRODUCTIONSoftw ar riseing is the regularity of examining packet product, to avow that it satisfy its necessities and to identify misapprehensions. Software riseing is an experimental examination which is conducted to unfold stakeholders with information to the highest degree the quality of the product or wait on below examen, with respect to the context in which it is intended to operate. bear witnessing terminate neer entirely establish the exactness of computer software. As an alternative, it provides an analysis or a relationship that compares with the state or look of the product against a specification. Over its survival, computer software has sustained to grow in go and dimension. interrogatory in the world of coffee berry technology proposes m some(prenominal) sortifiable and dissimilar ch all told in allenges. Todays coffee bean engineers are not only faced with multiple platforms, and to a fault the scalability is sues ilk limited memory, non measuring input, network avocation considerations which are encountered with an increasing array of coffee technology-establish computational devicesfrom coffee bean Rings, to teleph unrivalleds, to set-top boxes. Beca light upon employment of of traffic with many different platforms, and many different references of devices the leavens are write in the coffee program language. An self-activating software examination is a software answer for which is utilise to authenticate that a particular building block of etymon calculates is running as expected. Software examination can be written as social social unit of measurement of measurement mental shieldingsIntegration Tests or word sense Tests.The account in any oddball gives an over learn of the role of these technologies in coffee berry examen. (ece.cmu.edu)Integration interrogatoryIntegration mental evidenceings is use to demonstrate integration of several distinguishes as against to scrutiny classes in isolation. in the main in J2EE environments like network or EJB container gives a more authorized functionality, hence integration examine has to be conducted in a container. This would test interaction across different occupation tiers like access to informationbase, EJBs and too early(a) re artificial lakes. Integration test is occasionally done by Programmers notwithstanding not as oftentimes as unit test.Acceptance TestsAcceptance Test is explained as the group of tests which guarantee the contract between the finishing API and end user. These tests are done for the completed and deployed application. It is used to check for each one use- typesetters case in which the application is supported. It provides less test coverage and it is main in test integration of application tiers much(prenominal) as containers and sack servers. These tests are done by look Assurance testers and not by developers as test operates on external exe rtion Programming user interfaces.whole TestsChecking of the positive Project, Programmers write unit tests to roll their make code. unit of measurement examen interpolate from integration testing, which industrial plant well together, and credenza testing, works according to the customers requirements. Unit testing is the testing mechanism which is used to test a bingle unit of code. In the case of Java, a unit testing that frequently connects to a distinct class. A unit test is fully automatic, non interactive, and double ie, it moreover succeeds or be unfulfilled. By execute the code and confirmative the output is not a testing. Neither kind of of writing a small test driver that neither drives the code nor allows checking logs to affect if its working correctly. Unit testing is the code which is written, as a good intimacy since it leads to higher-quality code, higher productivity, and bring low sustainment with good exploitation costs. The following report entrust analyze sundry(a) Unit Testing technologies like JUnit, TestNG and JTiger. (devx.com)JUnitJUnit is a unit testing method which is simple and overt author form work for regression toward the mean testing released by IBM under common licence version 5.0 and to write and run repeatable tests on the Java programming language it was hosted on the source forge.Junit is a instance of Xunit architecture which was used for unit testing framework , XUnit was developed by Erich Gamma and Kent Beck. companionship and Experience gained with JUnit is in truth use full in growing test driven application study, and cod to this knowledge of JUnit is in use in test driven phylogeny. JUnit is in addition ported to other programming languages like PHP, C,python, Fortran, Perl,and C++. It is used as PHPUnit in PHP, Nunit in C, PyUnit in Python , fUnit in Fortran , TestClass and TestUnitin Perl and CPPUnit in C++ . completely this unit testing frameworks family is collectively reff ered as XUnit. Now recently due to the increase of invigorated client frameworks like AJAX, Junit has also been developed for use in java script as JSUnit.Junit improves the quality of code and increases the fixity of programming. (en.Wikipedia.org)Junit Features includeAPI for Easily creating Java test CasesAssertions for testing expected results verify expected versus actual resultTest fixtures to share test entropy commonlyTest runners to run testsFor forums and mailing lists.Aggregating tests ( suites)Junit MechanicsDefine a subclass of TestCase.Override the setUp() tearD give()methods.Define one or more public testXXX()methods do the object(s) under test.Asserts the expected results.Define a static suite() factory methodCreate a TestSuite containing all the tests.Optionally define main() to run the TestCase in batch mode.JUnit ExtensionsJUnitReport-Apache Ant extension task-Uses XML and XSLT to generate HTMLCactus-Simple unit testing framework for server side Java codingJ electronic networkUnit-Framework for creating word meaning testing for web base applicationsXMLUnit Provides an XMLTestCase class which enables assertions to be made about theContent and structure of XMLMockObject double agent used to test the behavior of other objects Dummy object which mimics the external behavior of a straight implementation observes how other objects interact with its methods and compares actual behavior with preset expectationsStrutsTestCase testing code based on the Struts framework (javapassion.com)TestNGTestNG is an annotation-driven Java unit testing framework inspired by JUnit and NUnit which aims to overcome many limitations of JUnit. TestNG isnt just truly powerful, innovative, extensible, and flexible it also represents an interesting application of Java Annotations, a peachy brand-new feature in JDK 5.0. TestNG is designed in such away(predicate) that it covers all categories in testing like unit, functional, end-to-end, integration, etc(testng .org)TestNG Features includeAnnotations no obligatory naming patterns for test methods or extending classesAlso delivers Java doc annotations for Java 1.4Powerful test-fixture set-up and tear-down optionsJDK 5 AnnotationsJDK 1.4 also supports JavaDoc annotations.Test configuration is flexible. data driven testing support using Data Provider.Parameters support.Distribution of tests in buckle down systems is allowed.Execution model is much Powerful no need of Test Suite.It is supported many plug-ins and variant of tools like bulk large, Maven, IDEA, etc.By Embedding with bonce Shell improves flexibility.JDK functions are acquirable by default for logging and runtime.Methods for testing of application server.TestNG MechanicsWrite the business logic of the test and pucker TestNG annotations in the code.Adds informations about the test in testng.xml file or in a build.xml (eg. class name etc). incline TestNG.JTigerJTiger is a framework for unit testing and has tools for Java 2 Pl atform. It gives useful abstraction for writing unit test cases and fixtures. Functionalities provided by JTiger is most desired in unit testing of softwares. Generally Test-Driven study is encouraged by JTiger development, though it is not mandatory, and any unit testing technique in software development is sufficient. many a(prenominal) features of Java Programming Language 1.5 is heavily used by JTiger like Generics, variable argument lists, annotations, etc,. JTiger also encourages users to do documentation of unit test cases and fixtures to give a robust and easy maintain regression mail and unit test. Published and documented API is provided by JTiger frame work if on that point is a need for extending the functionality. The ability to run the test cases written by using JUint framework is a good slip of extending JTiger framework. As a part of JTiger framework JUnit plugin implementation classes are included. (en.Wikipedia.org)JTiger Features includeJTiger makes every p erspiration to ensure a robust unit test harness by providing a rich set of tools, and a reliable, usable framework on which to develop unit test cases. JTiger is an implementation that is based on improvements in software development methodologies, such as eXtreme Programming (XP), which realize matured since their inception. JTiger has been implemented using the same techniques that it encourages, specifically, Test Driven outgrowth. JTiger includes its own unit test and regression harness with 100% method coverage. This acquired immune deficiency syndrome in new or modified requirements for JTiger that arise in the unexpected hereafter. The JTiger source code base has been designed to ensure the absolute utmost possible amount of decoupling of components and encapsulation such that future enhancements will not yield a negative impact on future versions on JTiger. (userdoc.com)JTiger dodge RequirementsJTiger requires that tests are bunkd using a Java Virtual railroad car version 1.5 or higher. This does not mean that the code under test must be written using Java 1.5 language features. The software under test whitethorn target any JVM version such as 1.2, 1.3 or 1.4. It is merely the test run that must execute under a JVM version 1.5. JTiger is capable of executing test cases that submit been written using the JUnit test framework.JTiger ExtensionsJTiger future development is being investigated. some(prenominal) of the features and topics that are under review include the development of a displace graphical user interface interface from which to execute unit test cases, the development of IDE ( corporate Development Environment) plugins for overtop, and Intellij IDEA, and the possibility of a mock objects package that mocks J2SE and J2EE core classes. (userdoc.com)Testing Of Java Language Recommended By Other CompaniesMicrosoft Java Virtual mackhine SupportTo be familiar with the need is to afford a smooth ontogenesis for present users of the Microsoft Java Virtual Machine (MSJVM), Sun Microsystems and Microsoft have agree to full(a)n Microsofts license to use Suns Java source code on with their compatibility test cases and the test suites. (microsoft.com) unmannerly Quality Program to Improve the Quality of Java SoftwareAgitar This Software has declared a new multi-vendor scheme committed to take very careful attention on the testing side to improve the efficiency and the quality of java software packages. base on the Open Quality Program, Agitar software has promulgated a wide range of unit level testing metrics in its own products, It has even including a formal weekly build results on its future unannounced new products and the new trends over time. The Agitar software has also published these software testing metrics for many popular forthright source software Java projects, which including JUnit, Hibernate, Cruise Control, Struts, spring, and even good deal of other mercantile products which is based on the open source such as the Oracles BerkeleyDB Java edition and JasperSofts JasperServer. (qthreads.com)Recent Testing News on upcoming Java productsJava vivid User Interface Testing Tool cognize as footslog is Supporting the New loom Ganymede version 3.4 phoebe bird weeks Two days ago(2008-07-08) Germany BasedHamburg( froglogic GmbH )has announced today , to give support for change the testing of new Java Rich Client Platform the RCP applications which is based on the new bulk large version 3.4 release code that is named as Ganymede. The spill graphical user interface for Java is a leading functional in writing(p) User Interface and also regression testing tool which is change the execution, creation and Modification of automated Graphical User Interface tests for Java programming on AWT/Swing and SWT/RCP applications. The Squish GUI, and all the other all tests created with this, are completely made as cross-platform software and work on almost all the top leading operating systems like the Windows operating(a) Systems, Linux Operating Systems, Unix Operating Systems, and Mac Operating Systems X and even also on the embedded Linux. The support for testing command Version 3.4 the current one, RCP Software applications has been completed and it is also available with the just newly released GUI Squish version 3.4. The availability of the third party tools, like the Graphical User Interface testing tools, is very important for the open source eclipse community to increase it demand. The resent glad news is to see froglogic has very quickly adopting the new Eclipse version releases with its Testing GUI Squish tool, said Mr. Mike Milinkovich, Who is the Executive Director of the Company Eclipse Foundation. The new Ganymede version release is said to be another very important and great release of the Company Eclipse community which has make it even more easy, attractive and flexible for the application developers who uses it. The Quickly incorporated supp ort for testing tools on Eclipse software version 3.4 applications with the new GUI Squish tool has been a new and great analytic step for the company, said Mr. Harri Porten, platform chief of froglogics company. Squish software offers a multipurpose testing based framework for Graphical User Interface (GUI) applications with a base choice of the popular test scripting languages like Perl , Python, Tcl, TSL and JavaScript, VBScript lengthy by the new test specific functions scripts, lot of new open interfaces, many add-ons, with integrations to the test management tools, a new powerful Integrated Development Environment (IDE) aiding the selecting, creation and finally debugging of the tests and a collection of play line testing tools and the test management integrations facilitating the fully automated test runs on the applications. Contact email emailprotected or visit the URL www.froglogic.com/ splash to get an evaluation pack or to purchase the GUI Squish for the java Applicati on or to know more about the product. Squish GUI tool also supports automated testing of java applications based on GUI technologies like as Trolltechs Qt, Swing-AWT, and Qtopia, also supports Web technologies DOM, HTML, AJAX, DHTML Mac OS X Carbon/Cocoa , JavaScript and other technologies also. (embedded-computing.com)JAVAS ENCOURAGEMENT IN TESTINGTodays software manufacturers face a variety of challenges when creating products to meet the increasing demand for software that takes advantage of Java technology. The festering complexity and diversity of softwareswith their varying operating systems, processors, and memory configurationsincreases the need for essential testing to ensure customers will be satisfied. At the same time, serve well providers and manufacturers face the challenge of managingand, if possible, loweringinternal costs caused by immoderate engineering overhead, disorganized development of test cases, or the impact of new data function on support operations. The Java software Test Suite simplifies quality assurance and reduces time-to-market for Java implementations by providing comprehensive tests and a robust test manager. These enable suite users to evaluate, validate, and verify the quality of implementations on particular software. The Java Test Suite that helps the software manufacturers ensures their reputation for quality, age building customer satisfaction and loyalty. It helps lower engineering costs by standardizing and simplifying testing, and by minimizing the need to write quality assurance tests manually. Java is leave office and open. So java Testing is an important part of software development because of Open Source Testing Tools which are available in Java for an Effective testing key factor which reduces the total cost of maintenance of any application over its lifetime. Because of the reduced cost and time of development this can increase savings on quality assurance and of bloodline on sustaining. Without knowing when to invest in better design, in brook development quality assurance, in manual tests or in automatic testing forms a basic difference between successful and unsuccessful software projects in these tough and competitive days. (newsgroups.derkeiler.com)Suns Recommendation for testing JavaTesting Java in an Object-Oriented WayTo apply eXVantage (a tool suite for code coverage testing, debugging, performance profiling, etc.) to a large, complex Java application at the implementation and unit testing phases in Avaya.Two open source-based tools that can help to generate workloads for the enterprise application SLAMD Distributed Load generation Engine and Sun Java Studio Enterprise software.Container-Free Testing With MockrunnerFitnesse Testing for Fast-Paced Agile Web DevelopmentJUnit ReloadedUsing In-Process Testing rhythmic pattern to Estimate Software ReliabilityECLIPSE IN JAVA software system TESTINGEclipse is a very widely used Open Source Integrated Development Environment (IDE), particularly for Java- and Web-based applications. Its very widely extensible with the use of scores of plugins available to help in developing these applications, so here I would like to discuss some of the plugins available for software testing. Eclipse TPTP (an evolution of Eclipses prior Hyades project) is an Open Source cooperative project that seeks to provide a common platform upon which superfluousized, differentiated, and interoperable offerings for software test and performance tools are created. TPTP, which stands for Test and Performance Tools Platform, supplies extensible frameworks and run for test and performance tools that are used without the application lifecycle, from development finished and through production. It also delivers extensible exemplary tools that verify the utility of, illustrate the appropriate use of, and support the development and maintenance of the platform itself. (freshmeat.net)TPTP This provides a reference implementation of the r ecent UML2 Testing Profile based upon the Eclipse Modeling Framework (EMF). For logging and tracing, TPTP employs the Common-Base-Event (CBE) Format, which defines the structure of events in a unifying format. Data pools are a concept which appears to be innovative for testing in Eclipse. A datapool contains data usable during a test run. Data pools are stored in a comma- assortd file and can be displayed as an Excel-alike data sheet. Test cases can load datapools in the setUp() method and use the dedicated iterations to retrieve cell values for evaluation purposes. Separating test data from the tests themselves appears to be new functionality. Test Deployment requires the allocation of test artifacts to test locations. These locations can also be workbench locations. Through the concept of service abstraction, the Automatable services framework introduces a Service-Oriented Architecture (SOA) concept to TPTP. The framework introduces a mould architecture in which a client at a lo wer layer employs a model adapter to employ a service provided at a higher layer. Automation Client Adapters allow expression Java programs to consume Eclipse services. These adapters can launch a headless Eclipse from a specified Eclipse home, and are available through the tptp-automation-client jar. Various properties are made available through this API (e.g., the project billet specifying a specific project in the workspace of the Eclipse instance). (freshmeat.net)Solex Web Application Testing with EclipseSolex is a free open source Web application testing tool built as a plug-in for the Eclipse IDE. It provides functions to record a client session adjust it according to various parameters and replay it later on typically in set to ensure non regression of the applications behaviour (with stress testing capabilities being added at a later item). By recording, we mean that Solex acts as an HTTP proxy and records all HTTP requests and responses going through the wire between a Web client (eg. a Web browser) and a Web server. The task of replaying a scenario consists in sending the antecedently recorded and eventually customized HTTP requests to the server and asserting each response. Solex 0.5.0 works with Eclipse Release 2.1.2, Build id 200311030802 and Solex 0.5.3 works with Eclipse Release 3.1.1, Build id M20050929-0840. (Solex.com)Unit testingChecking of the Developed Project, Programmers write unit tests to verify their own code. Unit testing vary from integration testing, which works well together, and acceptance testing, works according to the customers requirements. Unit testing is the testing mechanism which is used to test a individual(a) unit of code. In the case of Java, a unit testing that frequently connects to a distinct class. A unit test is fully automatic, non interactive, and dual ie, it moreover succeeds or be unsuccessful. By executing the code and verifying the output is not a testing. Neither instead of writing a small test driv er that neither drives the code nor allows checking logs to see if its working correctly. Unit testing is the code which is written, as a good thing since it leads to higher-quality code, higher productivity, and lower maintenance with good evolution costs. (devx.com)Unit Testing in Eclipse Using JUnitUnit Testing in Eclipse 3.1 move towards through the JUnit mechanism which was constructed in the Workplace. Eclipse permits a quick creation of test case class and also to provide a testing suite class to write the testing codes in. By means of Eclipse, we use a Test Driven Development (TDD) which suit for a very simple mechanism to systematize and implement. The class which we wanted to test is created at 1st and so that the Eclipse finds a class that is underneath test and construct the test case class. The test cases are constructed with the desired trade in and expansion for JUnit to Execute. The test case classes are constructed with the real test case and then it is coded in thr ough the programmer. The formation of test suite in Eclipse is still simpler. By designing a test suite, Eclipse will specify a name for specifying all of the test cases in the scope of the project. The code is to Execute test suites and to add test cases in the created software is added to the test suites. (open.ncsu.edu)JUnit naming ConventionTesting Cases and Classes Named with classnamesFirst.java, hear classname is being tested for the classnames.Testing Cases with Test Methods Name test methodnames, where methodnames are the method name to test.Applying Test Suites Eclipse which has a default name as First.javaIt is a well know thought-out for a good performance in testing, and to split the test case code from the application code. It is also a good idea which is to separate the JUnit and FIT tests as well. (open.ncsu.edu)EMPIRICAL i.e. STATISTICS AND NON-EMPIRIC TESTINGEmpirical testing resembling to theoretical tests, there is one more test called empirical test which is be ing done by computers. As per the computer point of view empirical means experiments with certain PRNG. The generator itself is treated as mordant box only the sequence of PRNs is generated and is interpreted for evaluating the test statistic. In order to find the empirical test, one has to implement the PRNG and the test statistic. The limitations of empirical testing are commonly proposed by the amount of time and memory ask due to the complexity of the computations. (random.mat.sbg.ac.at)Non-empirical testingNon-empirical testing deals with non-parametric statistical models and non-parametric inference, including non-parametric statistical tests. nonparametric methods which are often referred as distribution free methods, since they do not rely on assumptions in which the data are drawn from a given probability distribution. Non-parametric statistic can be explained as a statistic (a function on a sample) whose interpretation does not depend on the tribe fitting any parameteri zed distributions. The example for one such statistic is order statistics which plays a vital role in many non-parametric approaches. (en.wikipedia.org)Applications and purposeFor studying populations that has been taken on a ranked order (such as movie reviews receiving one to four stars) is called Non-parametric methods. The uses of non-parametric methods may be necessary, when the data has a ranking but no clear numerical interpretation, such as when assessing the preferences. Usually non-parametric methods make fewer assumptions other than the parametric methods, depends upon their applicability. In particular, they may be employ in situations where less is known about the application in question. Non-parametric methods are more robust due to the reliance on fewer assumptions and simplicity. Non-parametric methods may be easier to use in certain cases, when the use of parametric methods is justified. As per some statisticians, non-parametric methods are not useful because of th eir simplicity and greater hardihood leading to leave less room for improper use and misunderstanding. (en.wikipedia.org)Recommendations lawsuit of a JAVA Based ApplicationThe Table below represents an example security standard for a Java application and mentions the type of software testing used in each controls. These Kind of security standard in applications will define how exactly the application security functionalities will behave.TYPEQuestionsUnitIntegrationAcceptanceInputValidationWhether all the user inputs are proper in length and data type?XXXAuthorization of ApplicationWhether the application decent controls the accessing privileges?XXStorageWhether authentication privileges are stored securely?XManipulationWhether application enforces its access controls?XXSpecialCharactersWhether special characters are handled securely?XXXErrorMessagesWhether error message generic?XXLegacy dataWhether data are removed?XIt is clear that the Above Types can be tested more on using func tional than, integration testing techniques. Lesser security functionality is tested by Unit tests, as lot of security functionality are provided in other modules like, web server and web container.The following sections will provide more details on performing security based tests in unit test, integration test and acceptance testTesting in Unit TestsTesting of classes and methods individually provides a best approach to functionality testing of codes. A unit test has to be performed on classes and methods individually without a any dependency on the other methods and classes. This issue gives limitation to the types of security tests which has to be performed, Hence this is going to test is going to be executed in very early stage of the development process.Testing IndependentlyUnit tests should only depends on the single independent class and it should not depend on Composition class or any base classesTesting VulnerabilityThe number of security Types that are been verified by us