Testing · Senior · Question 51 of 75

How can E2E tests run against recorded API traffic?

✓Correct answer: With page.routeFromHAR - replay a recorded HAR file instead of calling the real backend
2With cy.fixture in Playwright
3Playwright can't replay traffic

Explanation

It's a middle ground between full mocks and a live backend, but HAR files go stale with the API.

Further reading

Playwright: Mock APIs ↗

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