You're working on a legacy codebase with minimal test coverage. How would you prioritize which parts of the code to test first?
- Begin by testing modules or components that are frequently modified or have a history of bugs.
- Focus on testing modules that have complex logic or dependencies to ensure comprehensive coverage.
- Prioritize testing of critical functionalities that are prone to errors or have high impact on the application's functionality.
- Start with unit tests for small, isolated functions before moving to integration or end-to-end tests.
Prioritizing testing based on critical functionalities ensures that the most important parts of the codebase are thoroughly tested, reducing the risk of critical bugs in production. It also helps in stabilizing the application by addressing potential issues early in the development cycle.
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