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Advantages and Guidelines of Automated Testing
"Automated Testing" is automating the manual testing process currently in use. This requires that a formalized "manual testing process", currently exists in the company or organization. Automation is the use of strategies, tools and artifacts that augment or reduce the need of manual or human involvement or interaction in unskilled, repetitive or redundant tasks. Minimally, such a process includes: Detailed test cases, including predictable "expected results", which have been developed from Business Functional Specifications and Design documentation A standalone Test Environment, including a Test Database that is restorable to a known constant, such that the test cases are able to be repeated each time there are modifications made to the application. The following types of testing can be automated Functional - testing that operations perform as expected. Regression - testing that the behavior of the system has not changed. Exception or Negative - forcing error conditions in the system. Stress - determining the absolute capacities of the application and operational infrastructure. Performance - providing assurance that the performance of the system will be adequate for both batch runs and online transactions in relation to business projections and requirements. Load - determining the points at which the capacity and performance of the system become degraded to the situation that hardware or software upgrades would be required. Benefits of Automated Testing Reliable: Tests perform precisely the same operations each time they are run, thereby eliminating human error Repeatable: You can test how the software reacts under repeated execution of the same operations. Programmable: You can program sophisticated tests that bring out hidden information from the application. Comprehensive: You can build a suite of tests that covers every feature in your application. Reusable: You can reuse tests on different versions of an application, even if the user interface changes. Better Quality Software: Because you can run more tests in less time with fewer resources Fast: Automated Tools run tests significantly faster than human users. Cost Reduction: As the number of resources for regression test are reduced. Choosing the right tools for the job and targeting the right areas of the organization to deploy them can only realize these benefits. The right areas where the automation fit must be chosen. The following areas must be automated first 1. Highly redundant tasks or scenarios 2. Repetitive tasks that are boring or tend to cause human error 3. Well-developed and well-understood use cases or scenarios first 4. Relatively stable areas of the application over volatile ones must be automated. Automated testers must follow the following guidelines to get the benefits of automation: ? Concise: As simple as possible and no simpler. ? Self-Checking: Test reports its own results; needs no human interpretation. ? Repeatable: Test can be run many times in a row without human intervention. ? Robust: Test produces same result now and forever. Tests are not affected by changes in the external environment. ? Sufficient: Tests verify all the requirements of the software being tested. ? Necessary: Everything in each test contributes to the specification of desired behavior. ? Clear: Every statement is easy to understand. ? Efficient: Tests run in a reasonable amount of time. ? Specific: Each test failure points to a specific piece of broken functionality; unit test failures provide "defect triangulation". ? Independent: Each test can be run by itself or in a suite with an arbitrary set of other tests in any order. ? Maintainable: Tests should be easy to understand and modify and extend. ? Traceable: To and from the code it tests and to and from the requirements. For more visualization of this article and free training tutorials on Testing: http://www.exforsys .com/content/category/17/259/340/ Exforsys offers free training and career help specializing in C, C++, C#, Java, J2EE, .net, PeopleSoft, SAP, Siebel, Oracle Apps, Data warehousing, Oracle/SQL Server/DB2 and Testing. Please visit http://www.exforsys .com for more Training Tutorials, for IT Interview questions visit http://www.geekinterview .com, for articles and resources visit http://www.itquestionbank .com
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How To Increase Computer Speed And Performance - Great Tips & Tricks Many computer users are worried about their computer's performance. After spending lot of bucks, still they cannot have that charm of using PC as they had expected. Here I am going to explain some major tricks which are used by many computer users which help them to take efficient use of their CPU. Digital Cameras + Photo Printers = Quality Instant Photographs In the 1950's and 1960's Polaroid's instant cameras were all the rage. You could shoot a picture and have the finished print in a minute or so. The quality wasn't that great, but hey, you had your pictures now! Today with digital cameras and high-tech photo printers, we have quality instant photos virtually indistinguishable from processed prints. And unlike the old instant cameras, you have the digital equivalent of a negative for future use. The Newbies Guide to Personal Computer Maintenance When you turn on your computer, does it act like it needs a coffee to wake up? When you surf around the Internet, are you bombarded with pop-up windows? Does your computer freeze up or turn off for no apparent reason? How Does a Palm Pilot Work? Just The Facts, Ma'm 15 Good Programming Habits 1. Before sitting down for coding, you must have formal or a paper-napkin design of the solution to be coded. Never start coding without any design unless the code is trivial one. What are the Main Components of Any Computer, and Which are the Most Critical to Its Performance? Computers are everywhere, and vary in specification, brands, sizes, shaped, and prices. However, there is one common characteristic among all computer systems. Upgrading Your PC for Non-experts Intro Is Digital Camera Technology Making Film Obsolete? Perhaps not yet, but the handwriting might be on the wall? The Best MP3 Players Under $100 You don't have to fork out $250 for a super-diggy-whizbang mp3 player, do you? There are cheap mp3 players to be had, with a host of features perfectly suitable for everyday use. Here is a small sampling of some of the highest-rated cheap mp3 players. Looking at their features and failings can give you an idea of what can be attained for under $100. Tips For Finding Great Deals On Computer Accessories & Supplies Tip #1. Do a Google search. Don't be to general in your search, type in exactly what your looking for. Try putting the words you type in quotes to narrow the search. Repairing A Corrupt .RAR/.ZIP Archive Step 1: SOBIG.F Virus Promises Ill Be Back On 21 August 2003 Symantec Security Response upgraded the W32.SOBIG.F threat to a category 4. Keeping Passwords Secure As the web has evolved, so have the methods of collecting personal information. A large number of websites require visitors to register to gain access or participate. While the need for registration is understandable, tracking user names and passwords can be burdensome. Consider using software to store your passwords, in a safe accessible manner. Back Up, Back Up, Back Up! This is not your typical lost data story. I was a good girl and I kept my files on the network drive just like the company recommended. The only thing I put on my hard drive was junk files - things that wouldn't bother me if the hard drive crashed. But not on the network drive. The drives are backed up and even my PC has a local back up program. Can you see where this is going? Choosing a Portable MP3 Player: Part 1 MP3 players are everywhere! It seems that the number of makes and models in this market is growing daily, with features and capabilities intended to appeal to just about anyone shopping for one of these devices. Cisco CCNA Certification: Five Things To Do DURING The Exam There are plenty of articles out there about how to prepare for the CCNA exam. However, there are also things you can do to increase your chances of success on exam day during the most important part of the entire process -- the time that you're actually taking the test. Dont Let the Internet Overstimulate Your Mind The Internet is an awesome tool, but be careful and aware that the cloud of over stimulation doesn't invade your mind. Refurbished Computers on the Internet What is a Refurbished Computer? Uninstall Windows Media Player 10 and Start Enjoying Your Media Again Windows Media Player 10 has been full of bugs from Microsoft since they offered it as a download from their site. Windows Media Player 9 was nice and simple. Windows Media Player 10 is way too complex and feature-rich that it has taken away from the simpleness of version 9 and ruined itself. Another great media player is Winamp but we won't go into that right now. What Has A Portable MP3 Player Have To Do With Your Business Plenty! When we made the decision to be our own bosses, we gave up the luxury of having our employers sending us to us seminars, workshops or conferences that help improve our skills and gain knowledge related to our work. All this became our initiative. We have to look for and invest in our own education. But as busy entreprenuers, taking time off to learn can be quite a feat.
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