How can I improve test coverage in my existing code?

How can I improve test coverage in my existing code?

Improving test coverage involves identifying untested parts of your code and writing tests for them. Have you used any tools to analyze your current coverage?

Yes, I used a coverage tool, and it shows that only 60% of my code is covered.

That's a good start! Focus on the critical areas first, like business logic and edge cases. Are there specific modules you're concerned about?

I'm worried about the authentication module. It seems complex.

For complex modules like authentication, consider writing unit tests for each function and integration tests for the overall flow. Would you like tips on writing those tests?