5 of The Most Common Software Testing Questions Answered!

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Software testing is obviously one of the most important stages of the Software Development Life Cycle (SDLC). In this age and era, it is purely unimaginable that a developer releases an application use by the public before conducting appropriate tests.

Testing is important to developers as it validates the very existence of the software. During the testing, developers prepare a barrage of questions against which the software is tested.

1.   What is software testing?

Software testing is the process where you evaluate a program or app with a view to determine its usefulness, detect problems and fix bugs. Software testing, therefore, seeks to identify the underlying inconsistencies, defects and risks involved in software before deploying it to the public.

Software testing happens to be one elaborate process in the software development life cycle. Before a team of developers embark on a software development strategy, these are the first considerations to be made.

  • Create a plan for the software testing
  • Design the software test
  • Write the software test
  • Conduct  the software test
  • Identify the software defects, debug
  • Deploy software

Different software perform specific functions. For this matter, questions regarding software testing may vary from one project to another. However, these are some of the most common software testing questions answered.

2.   What are the main software testing methodologies?

Whitebox testing: This method of testing focuses on the internal structures of the software or program. It is majorly concerned with the intricacies of the internal software architecture and functions.

Blackbox testing: This is one of the popular testing methods which focuses on the input and output of your business app or program. This method answers development questions like: Does the app perform the functions it is built to do? Usually, it begets a Yes/No response.

Greybox testing: this method of testing focuses on the internal data structures, designs and algorithms involved in the software build. This type of test is normally executed in the user level also known as the blackbox level.

3.   What are the types of software testing?

There are a number of application software testing types. These are some of them

Unit testing: This is the first coat of app testing. It questions whether the individual components of the app function properly.

Integration testing: This usually applies to microservice applications. It tests how well programs developed from microservice merge in harmony.

Regression testing: This test gives the go-ahead that the app software will function optimally even with incremental developments in the future.

The other common types of software testing include system testing, acceptance testing, security testing, load testing and smoke testing which determines whether there are structural problems in the app that could prevent it from working optimally.

4.   Why is software testing necessary?

Software testing ensures that potential defects are noticed and fixed before they can cause serious problems.

  • If for example a bank’s software for financial transactions is not testes, this could lead to pilferages and loss of huge sums of money.
  • If the software in the CT-Scan or life-support machine is not tested, it could lead to disasters of monstrous proportions.
  • Similarly, if the nuclear control room software fails to be tested, the harm could lead to disasters.

5.   What are the principles of testing?

  • Testing detects defects in the software
  • Testing can never be enough
  • Test early
  • Defect clustering
  • Pesticide paradox
  • Testing depends on context

Conclusion

Testing is no doubt a critical component of SDLC. As such, it becomes the last check-point between the app and prosperity or doom. Answering the software testing questions correctly sets you on a prosperous path by enabling you to identify and fix problems.

 

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