Non-functional testing

Non-functional testing

Non-functional testing is a type of testing that verifies the performance, usability, reliability, and security aspects of a software system. It is different from functional testing, which focuses on testing the functionality of the software system.

Non-functional testing is essential because it helps ensure that the software system meets the non-functional requirements, which are critical to the success of the software system. Non-functional requirements include aspects such as performance, usability, reliability, and security, and they are just as important as functional requirements.

The following are some common types of non-functional testing:

Performance testing: Performance testing is a type of non-functional testing that verifies the performance of the software system under different types of loads and scenarios. It involves testing the software system’s response time, throughput, and resource utilization.

Load testing: Load testing is a type of performance testing that verifies the software system’s performance under heavy loads. It involves testing the software system’s response time, throughput, and resource utilization under different types of loads.

Stress testing: Stress testing is a type of performance testing that verifies the software system’s performance under extreme loads. It involves testing the software system’s response time, throughput, and resource utilization under extreme loads.

Usability testing: Usability testing is a type of non-functional testing that verifies the software system’s ease of use, user interface, and user experience. It involves testing the software system’s usability, accessibility, and user satisfaction.

Reliability testing: Reliability testing is a type of non-functional testing that verifies the software system’s reliability and availability. It involves testing the software system’s ability to operate continuously without failure and recover from failures. Security testing: Security testing is a type of non-functional testing that verifies the software system’s security aspects, including confidentiality, integrity, and availability. It involves testing the software system’s ability to protect against unauthorized access, malicious attacks, and data breaches.

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