HTTP Integration · interview question
A bug appears around json mapping. What is the strongest first debugging move?
Multiple choiceEasychapter-12-curatedpremiumhttp-integrationjson-mapping
payload = {"order_id": "ORD-1", "subtotal_cents": 8800}
dto = {"id": payload["order_id"], "subtotal": payload["subtotal_cents"] / 100}Answer and explanation
Correct answer
B. Trace one concrete example, inspect the state transitions, and compare them to the intended rule before rewriting anything.
Why
That approach is reliable because it creates evidence. Leaking partner field names through the whole codebase couples you to an external contract you do not control.
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