Unit testing is a software testing technique that focuses on verifying the functionality of individual components or units of code, typically a function or method, in isolation from the rest of the application. The main goal of unit testing is to ensure that each unit of the software performs as expected and behaves correctly in various scenarios. Here are some key points about unit testing: 1. **Isolation**: Each unit test tests a small, isolated piece of code to ensure that it functions correctly on its own.
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