What are the best practices for using JUnit with legacy code?
An example of an AI chatbot conversation about best practices for JUnit in legacy code testing.
What are the best practices for using JUnit with legacy code?
When working with legacy code, it's important to focus on incremental improvements. Start by writing tests for the most critical parts of the code.
How can I identify which parts of the legacy code to test first?
Look for areas with high complexity, frequent changes, or critical business logic. These are usually the best candidates for initial tests.
Should I refactor the code before writing tests?
It's often beneficial to refactor small sections of code to make them more testable. However, ensure you have some tests in place first to avoid introducing new bugs.
What tools can help with testing legacy code?
Consider using tools like JUnit for unit testing, Mockito for mocking dependencies, and JaCoCo for code coverage analysis.
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