Playwright · Middle · Question 17 of 75

How do you simulate a server error for one endpoint?

1route.fulfill({ status: 500 }) in a page.route handler
2Stop the backend server before that test starts running
3Set offline: true for the whole browser context

Show the answer

Correct answer: route.fulfill({ status: 500 }) in a page.route handler

Explanation

Mocking a 500 lets you check the error state of the UI deterministically, without breaking a shared backend.

Further reading

Playwright: Mock APIs ↗

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