API Testing · Senior · Question 56 of 75

How do you test that an API degrades gracefully when a non-critical dependency fails?

1Graceful degradation is a UI feature and not tested in APIs
2Fail it and check the core response still works with a fallback
3Fail all dependencies and check the API returns 500 quickly

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Correct answer: Fail it and check the core response still works with a fallback

Explanation

A product page should still return when recommendations are down, maybe without that section. Fault injection proves it.

Further reading

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