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Clean Code with TypeScript
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Unit testing is the first level of testing in software development, where individual components of the software are tested to validate that each unit performs as expected. A unit is the smallest piece of code that can be tested in isolation. Depending on the software and architecture, a unit might be a function, a method within a class, a class itself, or even a small module. The key idea is that a unit should be independently testable without relying on external systems or components.
This level of testing ensures that individual components of the software are reliable and function correctly, laying the foundation for higher levels of testing such as integration and system testing.
Some benefits of unit tests include the following:
Now that we understand the benefits of unit tests, let&apos...