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Importance of Test Optimization in Software Testing

Testing is defined as a process of finding that either the specific system meets its originally specified requirements or not. It is mainly a process encompassing verification and validation process to check whether the developed system meets the requirements defined by the user. Hence, this activity results in a difference between the actual and expected results. Software Testing refers to finding the issue and missing requirements in the developed software application or the software work product. So, this is an investigation that provides the customers with the exact knowledge about the quality of the product. Hence, Software Testing is considered as a risk-based activity. The important thing during the testing process the software testers must understand that how to minimize a large number of tests into manageable tests set and test data, and make intelligent decisions about the risks that are important to test or what is not.  Testing costs and errors found a relationship. The cost goes up dramatically in testing both types i.e. functional and nonfunctional. The decision making for what to test and what not to test thus reduces tests then it can cause to miss many bugs. The effective testing objective is to do that optimal amount of tests so that extra testing effort can be minimized. Software evaluation is an important component of software quality assurance. The importance of testing can be considered from very critical software testing which can be very expensive.

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Testing has certain levels and steps according to which the person who does the testing differs from phase to another. The three basic ways and steps in software testing are Unit testing, Integration testing, and System testing. All of these steps is either tested by the software developer or the quality assurance engineer who is also known as a software tester. The testing as stated in the above steps is inclusive in the Software Development Lifecycle. It is important to break the software application to be into a set of modules where each module assigned to a separate team or different individual. After the end of each module or unit, it is tested by the developer just to check whether the developed module is working according to the expectations or not, this is termed as Unit Testing by developers. The second level of testing within the SDLC is Integration Testing. Once the components of a single software system have been developed independently and separately in an isolated state, they are integrated together and often defects arise in the build once the integration has been finished. The last testing step in the SDLC is System Testing, which is testing the whole software from each and every perspective. As we all know, software testing makes sure that the interfaced units do not disturb the functioning of any other module. However, testing a highly complex system might be an extremely time-consuming and a huge procedure as the more modules within the application; the more difficult it gets to test each combination. The test designing phase is the process where the test case is developed, and the test planning activity is ceased.   Test cases that are good and not fancy are written by the QA team manually or in some cases, automated test cases are generated. The test case is a set of test inputs or data, execution conditions, and expected results as well as the actual result. The required set of test data should be chosen such that it produces expected results as well as intentionally erroneous data that will produce an error during the test. This is usually done to check what conditions the application ceases to perform. Test Execution level is comprised of the execution of the test cases based on the test plan that was produced before the execution phase. If the functionality passes the execution phase without any bug reportage, the test is said to be cleared or passed, and every failed test case will be associated with the found bug or error. The deliverable of such activity is a defect or bug report. Test Reporting is again very important and crucial for the reporting of the generated results that are actual and expected after the execution of the test cases which also involves bug or defect reporting which then forwarded to the development team so that it can be fixed.

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Software Release Life Cycle This life cycle emerges after the software testing life cycle and it encompasses further testing processes in which Alpha and Beta testing are inclusive. Alpha Testing is one type, in which Alpha refers to the first stage testing of the application at the developer’s end, can be done via a white box technique. The testing is at system level testing could be done using the black-box approach, which is termed as an alpha release. The alpha testing stops with a feature freeze, which typically means no more features will be added to either extend the functionality or something else. Beta Testing phase is again very important and comes after Alpha testing, and can be considered as a formal acceptance testing as it is done by the user, after the Alpha release but before the official release. The software or the application is released to certain known and intended group of users and customers and stakeholders for the testing purpose only. Hence, the beta version of the applications is made available to the targeted audience for feedback before it gets officially released for a money guarantee and budget balance. The users aimed at are often called Beta Testers, and the application may be termed as a prototype version release of the software mainly for demonstration SevenMentor

To make improvements in Test Suite Prioritization there is a need for enhancement in the testing process by Combination Criteria. The major methodology behind such test case prioritizing is the conversion of the weblogs into the test suites relevant with the user session, and further writing it down into an XML format. The Algorithm used for this approach should be accurately prioritized by the coverage based on the combination of test suites. Moreover, empirical studies should be carried out for analyzing the effectiveness of the specific application and its relevant test suites. A very well known tool used in this regard is known as C-PUT which actually formats the logs of the web applications into test suites which are formatted in XML; well it differs from one company to another it is then used for the provision of the functionality for the prioritization of these tests. There is ongoing research about if these test suite prioritization techniques can be used to enhance the fault detection ratio or not achieved. The usage of genetic algorithms for the aim of automated test input data generation for testing the application is yet another enhancement in the testing process, as previously the dynamic means of test data generation remained a major problem in the software testing process, so the usage of Genetic Algorithm based testing is an effect of the test data generation, it also capable of handling the data generation keeping in line with the complexity of program Test Automation The major enhancement in the testing process leads the testing way towards the Automation, which is the use of particular tool to carry out the testing process as well as it makes the comparison of actual results with the expected results. Test Automation technique is time effective, as it saves the time of manual testing which can be quite hectic and laborious.

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In software life cycle Test Automation occurs during the implementation as well as the testing phase. Throughout the world, Test Automation is being practiced instead of manual testing as it saves a great amount of time accomplishing the testing processes in a shorter time span. Software Testing with Selenium Training in Pune has taken over the manual testing process by reducing its need as well as by exposing the number of errors, shortfalls that cannot be acknowledged via the manual testing process. Regression Testing which is being one of the major testing types requires much time when done manually and hence automation comes in to picture. It typically is testing whether the application and software work products are working properly after the fixation of issues. Because many times after the error fixation, the code or application’s error or bug ratio gets even higher. So, for the ignorance of the time taken for regression testing; a set of automated test suites is made to form a regression test suite for such purpose. Test Automation will also help in finding the problem at a much earlier level, saving a lot of modification costs at later stages which is very important from a budget perspective. Test optimization is thus very important from the client and also stakeholder’s perspectives in every level of software testing. The traditional model is the V-model but again it is not in practice, the current is Agile which is very much in practice in the IT world. Test optimization is equally important for QA and QC teams based on different roles and responsibilities.



Priti Jha,
SevenMentor Pvt Ltd.

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