DEV Community

Cover image for Functional Testing VS Non Functional Testing_Task3
Bala Venkatesh
Bala Venkatesh

Posted on

Functional Testing VS Non Functional Testing_Task3

Purpose - Functional Testing
To validate software whether it is functioning as expected and meets requirements.

Validation

Purpose - Non Functional Testing
Focus more on system's non functional aspects such as performance, reliability, compatibility, security.

reliable

Types - Functional testing

Unit Testing - Checks particular function or module works fine
Example:Testing login functionality functions

Integration Testing - Checks integration between different functions
Example:Testing interaction between shopping page and cart page

Interface Testing - Checks interaction between two different systems.
Example:Testing interaction between amazon and bank payment systems

Regression Testing - Retesting is done to ensure new functional doesn't interrupt existing one's.

Example : Addition of new UPI payment option doesn't affect existing functions.

Types - Non Functional testing
Document testing - Review of documents(BRS,test design,TSR)

Installation testing - Focus on installation ,setup, config, uninstallation.

Performance testing - checks speed, responsiveness, scalability and ensures data traffic by load ,stress and scalability testing.

Reliability testing - checks system performs consistently and accurately(resolves crash and unexpected behaviour)

Security testing - identifies vulnerabilities and assess Software ability to protect confidentiality.

Benchmark - Functional Testing
Success is based on status/result of functionality.

Test status

Benchmark - Non Functional Testing
Success is based on application's response, speed, usability.
performance

Postmark Image

Speedy emails, satisfied customers

Are delayed transactional emails costing you user satisfaction? Postmark delivers your emails almost instantly, keeping your customers happy and connected.

Sign up

Top comments (0)

The Most Contextual AI Development Assistant

Pieces.app image

Our centralized storage agent works on-device, unifying various developer tools to proactively capture and enrich useful materials, streamline collaboration, and solve complex problems through a contextual understanding of your unique workflow.

👥 Ideal for solo developers, teams, and cross-company projects

Learn more

👋 Kindness is contagious

Please leave a ❤️ or a friendly comment on this post if you found it helpful!

Okay