EY SDE-2 Mid

How do you write useful unit tests?

Arrange-Act-Assert, mock externals, test behavior not implementation. ShopNest discount tests cover edge coupons without calling Razorpay.

EY rounds often probe: Client scenarios.

Themes commonly reported in public MNC interview experiences (AmbitionBox / LinkedIn / Glassdoor-style). Practice aloud; keep answers this short in the real round.

More EY SDE-2 questions

How do you design pagination for a large list API?
How do you diagnose a slow API?
Cache strategies you have used?
Idempotency for payment APIs — why?
Sync vs async in web servers?
How do you version APIs?

All SDE-2 questions

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