API Testing · Junior · Question 34 of 75

What is negative API testing?

1Sending invalid or unexpected input and checking it's rejected well
2Removing tests that fail so the suite stays green
3Testing only the requests that are expected to fail in production

Show the answer

Correct answer: Sending invalid or unexpected input and checking it's rejected well

Explanation

Missing required fields, wrong types, too long strings and invalid IDs should give clear 4xx errors, not crashes or saved bad data.

Further reading

Wikipedia: Software testing ↗

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