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Quality engineering

What is software testing?

How testing helps teams understand software quality, find defects and make more informed release decisions.

5 min read · Infosoft perspectives

A clearer view of software quality

Software testing evaluates an application against expected behavior and user requirements. It helps identify defects and provides evidence about quality before and after release. Testing reduces uncertainty, but cannot prove that an application has no defects or security vulnerabilities.

Verification and validation

Verification asks whether a feature has been implemented correctly against its specification. Validation asks whether the application meets the needs of its users. Both matter: a technically correct implementation can still fall short of the business requirement.

Manual testing and automation

Manual testing lets a person explore behavior and evaluate results. Automation executes repeatable checks against defined expectations. They are complementary approaches. Stable, frequently repeated checks can be good automation candidates, while exploratory work and changing requirements often benefit from human judgment.

The software testing lifecycle

Testing starts with requirement analysis and test planning. The team develops test cases, prepares the environment, executes tests and documents defects. Retesting and closure review what has been covered, what remains unresolved and what the results mean for release readiness.

Testing beyond functionality

Depending on the application, a quality plan can include performance, security, mobile, ERP / CRM and API testing. Define the scope and coverage early. This helps keep testing aligned with the risks, integrations and user journeys that are most important to the business.

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