Unit testing is a fundamental software testing technique where individual components or units of a software application are tested in isolation to ensure they function correctly. Unit tests focus on validating the smallest testable parts of an application, such as individual methods and functions.
In software engineering, unit testing is typically performed by developers during the development process. It’s considered the first level of functional testing and plays a crucial role in identifying and fixing bugs early in the development cycle.
Main objectives of unit testing
- Verifying that individual components work as expected
- Isolating defects to specific units, making them easier to locate and fix
- Validating that each unit of code performs its intended function correctly
Unit tests are usually automated and can be run quickly and frequently, allowing developers to catch and fix issues early in the development process. This practice helps improve code quality, facilitates refactoring, and provides documentation for the expected behavior of individual components.
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By implementing effective unit testing, development teams can enhance the overall reliability and maintainability of their software applications.
My name is Madhu, and I’m a certified Test Consultant with more than 16 years of hands-on experience developing and maintaining manual and Test Automation in the Software industry. I have experience with automation tools such as Selenium, Katalon Studio, etc.