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Every software tester often comes across a variety of QA testing types: some they’ve worked on, and some they’ve heard of. Unfortunately, not everyone is aware of the different types of QA testing and the role they play in the overall quality of the product. At a high-level, testing can be differentiated into manual and automated; but when you dive deeper, there are several other forms. Here are 10 different types of QA testing:
A type of testing that’s conducted at the ground level, unit testing is low-level testing carried out to test individual units or functions of the software under development. With unit testing, developers focus on testing during the early stages of building software to ensure that each section of your software application meets certain standards.
Once unit testing is done, component testing allows testers to test multiple units or components in a single code. By using real data and testing how different components work independently without integration, component testing helps identify defects that may arise, once the components are connected to each other.
The next stage in the QA testing lifecycle is integration testing, which verifies if the different modules or services used by your application work well together. By combining different components into a group and testing them together, integration testing helps evaluate if the system or component complies with the required functional requirements.
End-to-end testing helps in testing the functionality and performance of the product – under live settings. By replicating user behavior in product-like circumstances, end-to-end testing helps simulate what a real-world scenario would look like and verifies if the various user flows work as expected. Replicating user behavior and journeys helps test data integrity and intercommunication with other systems.
Performance testing allows testers to check the behavior of the system – when it is under significant load. Performance tests help confirm the reliability, stability, and availability of the product and verify if additional load is going to degrade the performance of the system.
Regression testing allows testers to test an application, after a change or modification has been made. By running functional and non-functional tests, it ensures if previously developed and tested software performs as expected – post bug fixes, software enhancements or configuration changes. By ensuring that recent codes and additions are working properly, you will improve the ability to run automation smoothly.
Sanity testing is a form of regression testing that helps testers determine if new code changes or feature updates perform well enough to undergo a major testing effort. If the application crashes, it means the system is not stable enough for further testing, and an additional build is assigned to fix the problems. The objective of sanity testing is not to thoroughly verify the functionality of the software, but instead to measure if the complete build of the software is proper.
