Create middleware tests. Handle request processing. Support middleware testing. Implement test scenarios. Handle middleware chain.
Use Cypress or Playwright. Handle user flows. Support browser testing. Implement test scenarios. Handle end-to-end workflows.
Maintain test suites. Handle test updates. Support test refactoring. Implement maintenance strategies. Handle test debt.
Configure jest.config.js for Next.js. Set up environment and transforms. Handle module mocking. Support TypeScript testing. Default configuration available with next/jest.
Mock fetch requests. Handle async testing. Support data mocking. Implement fetch testing. Handle response simulation.
Test component interactions. Handle feature testing. Support workflow testing. Implement integration scenarios. Handle component communication.
Test error scenarios. Handle error boundaries. Support error testing. Implement error cases. Handle error recovery.
Test state changes. Handle state updates. Support state testing. Implement state scenarios. Handle state logic.
Create complex test scenarios. Handle advanced cases. Support pattern testing. Implement testing strategies. Handle edge cases.
Use visual regression testing. Handle UI testing. Support screenshot testing. Implement visual validation. Handle visual comparison.
Configure test environments. Handle environment setup. Support environment isolation. Implement environment management. Handle configurations.
Use Chrome DevTools or VS Code debugger. Set breakpoints. Inspect component state. Handle error tracing. Support source maps.
Mock HTTP requests. Test API endpoints. Handle response validation. Support API testing. Implement test scenarios.
Use Node.js debugger. Handle server breakpoints. Inspect server state. Support server-side debugging. Implement logging.
Create test fixtures. Handle mock data. Support test databases. Implement data generation. Handle test state.
Test performance metrics. Handle load testing. Support stress testing. Implement performance scenarios. Handle optimization testing.
Create test documentation. Handle documentation updates. Support example tests. Implement documentation strategies. Handle maintenance.
Jest and React Testing Library are recommended for unit and integration testing. Cypress or Playwright for end-to-end testing. Vitest gaining popularity for faster test execution. Built-in Next.js testing support.
Use React DevTools Profiler. Handle performance monitoring. Support optimization. Implement performance debugging. Handle bottlenecks.
Mock authentication state. Handle protected routes. Support auth testing. Implement auth scenarios. Handle user sessions.
Implement CI/CD testing. Handle automated tests. Support test pipelines. Implement automation strategies. Handle continuous testing.