Software and Information System Testing
Once a QA team has completed integration testing and has verified that all modules and
components behave as expected when integrated together, the next phase of quality assurance
begins . . . system testing. The final preparation for the release of a web application,
mobile app, and so on relies on software system testing which looks at a software product as
a whole and evaluates whether it successfully meets the pre-defined functionality, end-user,
and business criteria.
Keeping with the analogy of the hot air balloon we discussed earlier, after validating through integration testing that all the parts of the hot air balloon work together correctly, system testing would then look at the hot air balloon as one mechanism and evaluate how well it works as a whole.
Quality assurance testers in this phase will want to measure not only how easily the hot
air balloon lifts, flies, and lands, but how user-friendly, secure, and stable it is
normal and peak conditions.
As the first test of a software product that has become fully integrated, QA system testing assesses behavior and helps monitor for:
EASY OF INSTALLATION
Advantages of System Testing
One of the most significant phases in the software QA life cycle, system testing is at the heart of authenticating whether a product is ready to be shared with users. Benefits include:
Types of System Testing
To reveal the most actionable insights, system QA is conducted in a test environment that closely mimics the production environment. A dedicated system test engineer may administer an array of tests that measure and verify the following:
Does the system function as the requirements criteria detail it should?
Is the software reliable, responsive, stable, and performant under various conditions?
Has the software retained its original functionality since its modifications?
Is the software user-friendly, and intuitive? Does it offer an optimal experience for the end-user?
Can the software hold up as the load and stress on the system increase?
How quickly does the system respond under normal and peak conditions?
Do the security features ensure the integrity of the software product as far as protecting sensitive data and information are concerned?
Can the software recover successfully and quickly following a crash or failure?
Can the software successfully interact with other software systems or components?
Are all test scenarios and requirements agreed upon prior to and during this QA phase well-documented?
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