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Importance of Testing the Software
by Sanjay Dharke
Send Feedback to Sanjay Dharke
Software testing strategies
More Details about Software testing strategies here.
Definition of Software Testing
Software testing is any set of activities the purpose of which is to evaluate a functionality of a program or a system and validate that this program or system meets the predefined requirements. The goal of testing is not only to locate bugs and help fix them but also to ensure that the development process used is designed with achieving software quality in mind.
Keeping in mind the complex nature of software development, even the most rigorous testing can never cover the complete application. Software testers face the tradeoff between budget, time, and quality. This means that at some point in time, testing stops and the application or system is shipped to the customer. The expectations are not that the shipped application or system is completely bug-free because this is impossible but that the application or system is working as per the predefined requirements.
Why Software Testing Is Necessary
Software testing is one of the ways to improve software quality. Software testing cannot guarantee against software problems or even failure, but it can minimize the risk of faults developing once the software is in use. The testing process is essential as it helps to minimize the risks involved once the software is in use. It also helps to ensure that all business requirements defined for the software being developed are being met.
Almost any other industry has some form of quality control. However, unlike manufacturing of physical goods, software development and its products fail in many (often unpredictable) ways. In most cases these failures are due to design errors (and not wear-and-tear, as with physical goods). The task of software testing is to find as many of those design errors as possible.
Software testing has its limitations and no matter how much time and effort you invest in it, it is not possible to test absolutely all scenarios for a program of moderate complexity. Nevertheless, the role of software testing can't be underestimated and here are the main reasons why you need software testing:
- To improve quality.
- To verify and validate (IV&V).
- To estimate reliability.
- To ensure all business requirements have been met.
It is necessary for the software tester to follow a structured approach to meet the testing goals. Here are some of the activities which are necessary to ensure successful testing.
- Test Planning: Software testing strategies & planning are the first steps in any software testing initiative. They include crucial activities that provide for an efficient and quality-driven testing process. The test planning process can include activities like defining testing milestones, methodology selection, tools identification, resources, QA metrics & other related activities that will set up the framework for all the other testing activities.
- Test Management: Test Management helps drive more effective testing, shorten cycle times and get more accurate QA decision-making capabilities. Test management can include managing the requirements coverage, the actual test cases, the test execution, the defects generated and all other relevant metrics that can help make better decisions during testing.
- Test Case Design: Test cases are designed to ensure that one or more defined testing requirements are met. Ideally there should be at least one test case per testing requirement that is defined. Each of the test cases should have a description, any pre or post conditions, detailed test steps along with the expected results. The test case should also clearly document the data requirements for executing the test.
- Test execution & Analysis: Test execution can be a manual or an automated activity. Basically in this phase the tester will execute the design test cases to meet certain business objectives. Test can be executed individually during the unit testing phase or in groups during the system or integration testing phase. Executions of the tests ensure that the application meets one or more business requirements that may be set forth.
- Defect Management: Effective defect management process is critical in any software testing initiative. Thorough testing can help indentify defects in any application but an effective defect management process helps minimize the impact of the defect and provides a structured process to resolve the defects found.
All the above mentioned software testing activities require professionals with proper technical and process skills. Often test management & test automation tools are used to accomplish the tasks, these tools require specialized skills to implement them and get the most ROI from them. The tester needs to be a good communicator; detail oriented and must understand the various technologies used to develop the applications under test.
A automated software testing expert working for Advanced QA has written this article. Find more information about Software testing strategies here.
Software testing is an integral part of the software development life cycle. The cost of poor software quality or application failures can be very costly. An application can have an adverse impact on operational performance and reliability if not tested properly. Effective software testing helps to deliver quality software products that satisfy user's requirements, needs and expectations. This article talks about the various phases of software testing and the importance of each.
Contact the Author
Sanjay Dharke
aqa.com@rankachiever.com
More Details about Software testing strategies here.
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Keywords: automated software testing, Software testing strategies
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