E2E testing validates the entire application flow, from frontend to backend. It simulates real-world usage and ensures everything works together as expected. In this blog, we’ll explore why E2E testing is vital and how it fits into the testing pyramid.
What is E2E Testing?
E2E tests simulate user interactions with the full system, including databases, APIs, and UI. Tools: Cypress, Selenium, Playwright.
Why It’s Important
- Detects integration issues
- Validates user workflows
- Improves confidence in releases
E2E vs Unit and Integration Tests
- Unit tests: Test small components
- Integration tests: Test combined modules
- E2E: Test entire app flow
Challenges
- Slow execution
- Flaky tests
- Complex setup
Best Practices
- Automate with CI/CD
- Use test data management
- Keep tests deterministic
Conclusion
E2E testing catches bugs that other tests miss. It’s a must-have for reliable, user-friendly applications.
Read more https://keploy.io/blog/community/why-i-love-end-to-end-e2e-testing