Different Levels of Testing SYSTEM TESTING (PART-1)

| Usama Muhammad Ashraf

Different Levels of Testing SYSTEM TESTING (PART-1) 1

What is System Testing?

System testing is a third level of Software Testing. It validates the complete and fully integrated software product. Basically it will start after complete the Integration testing. The purpose of this testing is to evaluate end-to-end system specifications. Usually, the software is a single element for a whole computer system. Sometimes single software integrated with some Hardware systems that’s why we need to perform this type testing for a software.
System Testing is actually a series of different tests whose sole purpose is to verify the whole computer based system. Usually, bugs or defects did not identify at the time of Unit and Integration testing and found in System testing because now software is embedded with particular computer system to perform its functionality and at that time some new minor or major bugs identified. So in System Testing both Functional and Non-functional testing performed. System Testing plays an important role in delivering a High-quality product.

Focus Areas:

  • External Interfaces
  • Multiprogram and complex functionalities
  • Security
  • Performance
  • Installability
  • Usability
  • Load/Stress
  • Mobility

Importance of System Testing:

Its focus on a whole system; like single software integrated with a system then it must need to be verified either all functionalities are working fine in a system or not. Verify all functionalities are working as same as integration testing. System Testing is performed in an environment that is similar to the production environment and hence stakeholders can get a good idea of the user’s reaction. It verifies the user behavior with your created software system. Mainly in system testing developers are not involved, only testing team and other staff of your organization done this testing. It reduces the risk of bugs after delivering the Product.
System Testing tries to give a High Quality Assured product to achieve your desired goals.

Is System Testing A Black Box or White Box Testing?

System Testing considered as a Black Box Testing technique.
Black box testing is mainly focus on external functionalities. It does not require any internal knowledge of the software whereas White box testing required technical and internal knowledge of coding to execute code with minor internal changes.
In system testing, testing team mainly focus on verifies external functionalities as same as integration testing. Testers execute all possible test cases to identify bugs after integrating software with system. Before delivering a product, team make sure that all functionalities are working fine according to the given requirements.

How to Perform System Testing?

It is basically a part of software testing and the Test Plan should always contain specific space for this testing. To test the system as whole, requirements and expectations should be clear and the tester needs to understand the real image of the application.
Therefore, to test the whole application with in a system all requirements must be clear that how application is going, if too many users access the software at the same time then how system will react, these are some cases which needs to be done in this testing.
Clear and updated requirements document can save tester from a number of misunderstandings, assumptions, and questions. In short, a pointed and crisp requirement document with the latest updates along with an understanding of real-time application usage can make ST more fruitful.

Steps to Perform System Testing:

  1. The very first step is to create a Test Plan for it
  2. Create System Test Cases and Test Scripts in detail
  3. Prepare the test data to perform system testing
  4. Setup the testing environment for it
  5. Execute all created test cases and test scripts
  6. Report the bugs on your bug tracking tool
  7. Retesting the bugs once they were fixed
  8. Perform Regression Testing to identify the impact of change in the code
  9. Perform Non-Functional Testing to identify the performance and load of the software with a system
  10. Repeat your test cycle until the system is ready to be deployed
  11. Sign off from the testing team
Different Levels of Testing SYSTEM TESTING (PART-1) 2

We will discuss more about system testing in next blog…

Join us next time, as we continue our journey of learning canvas apps.Click here to learn more about Imperium's Power Apps Services. We hope this information was useful, and we look forward to sharing more insights into the Power Platform world.

Chief Architect, Founder, and CEO - a Microsoft recognized Power Platform solution architect.

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