How do I test my code after refactoring?
After refactoring, you should run your existing unit tests to ensure they still pass. If you don't have tests, consider writing them for the critical parts of your code.
What if I don't have any tests written?
If you don't have tests, start by identifying the most important functionalities of your code and write unit tests for those. This will help you catch any issues introduced during refactoring.
Are there any tools that can help with testing?
Yes, there are several tools available like Jest for JavaScript, JUnit for Java, and pytest for Python that can help you write and run tests easily.
How can I ensure my refactoring doesn't break anything?
In addition to writing tests, you can use code reviews and pair programming to catch potential issues. Continuous integration tools can also help by running tests automatically.
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