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FastAPI Internals & Edge Cases — Series 3
Preview — 3 of 10 questions
A FastAPI sub-application is mounted at /reports. Which lifespan handlers run when only the main application starts?
AThe main application's lifespan, not the mounted sub-app's lifespan automatically
BBoth always run automatically
COnly the mounted app's lifespan
DNeither app's lifespan
A WebSocket dependency rejects a client after the connection is established. Which exception type fits WebSocket semantics?
AHTTPException with status 404
BRequestValidationError
CJSONDecodeError
DWebSocketException
A route is configured with status_code=204 and returns no content. What should the OpenAPI response describe?
AA required error object
BA redirect to the same URL
CA successful response without a body
DA JSON null response body
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