What are the best practices for testing a routing library?

What are the best practices for testing a routing library?

When testing a routing library, consider the following best practices: 1. Test route definitions for correctness. 2. Validate navigation behavior. 3. Ensure proper handling of parameters and query strings. 4. Test for edge cases and error handling. 5. Use mocking for external dependencies.

Can you explain how to validate navigation behavior?

To validate navigation behavior, you can simulate user interactions and check if the expected routes are triggered. Use assertions to verify that the correct components are rendered and that the URL updates as expected.

What tools can I use for testing?

Popular tools for testing routing libraries include Jest for unit tests, React Testing Library for component testing, and Cypress for end-to-end testing.

How do I handle asynchronous routes in tests?

For asynchronous routes, ensure that your tests wait for the necessary data to load before making assertions. You can use async/await or return promises in your test cases.