9.8Key Takeaway

Kafka consumer testing must cover five areas: basic event processing (does the consumer store data correctly?), idempotency (does processing the same event twice produce the same result?), malformed event handling (does the consumer survive garbage?), ordering (are events processed in the correct sequence?), and dead letter queues (do failed events get properly routed for later investigation?). AI can generate these test categories from your event schema definitions.