First thing First : What is Testing?
Software Testing is a part of Software Development Life Cycle (SDLC). Software testing is all about evaluating a software application to ensure it meets specified requirements and is free of errors. It involves executing the software to identify bugs, performance issues, security vulnerabilities, and other defects before deployment.
Software Testing Life Cycle (STLC)
STLC is a process that ensures the quality of a software product. It consists of the following phases:
Requirement Analysis – Understanding the project requirements and defining testing scope.
Test Planning – Creating a test plan, estimating effort, and selecting testing tools.
Test Case Development – Writing test cases and scripts based on requirements.
Test Environment Setup – Setting up necessary software and hardware to execute tests.
Test Execution – Running test cases, identifying defects, and logging them.
Test Closure – Documenting the results, analyzing test reports, and improving the process.
Why is Testing Important?
Ensures better bug-free quality of software applications.
Detect bugs to prevent bugs in real-world use.
Enhances user-experience.
Improves performance.
Types of Software Testing
Testing is broadly classified into Manual Testing and Automation Testing:
| Manual Testing | Automation Testing |
| Testers execute test cases manually without using automation tools. | Testers use tools like Selenium, Cypress, Playwright, and JUnit to automate test execution. |
| More error-prone. | Less error-prone. |
| More time-consuming. | Less time-consuming. |