Testing
NATS JetStream persistence introduces durable consumers, sequence-based message tracking, and stream retention policies. Testing these means verifying that a consumer resumes exactly where it left off after restart, that exactly-once deduplication works, and that your stream retention policy doesn't silently discard messages your consumers haven'
Testing
RabbitMQ, NATS, and Kafka have dramatically different testing developer experiences. NATS wins on speed and simplicity with its embedded server. RabbitMQ is straightforward with Testcontainers. Kafka requires the most setup but has the richest ecosystem for testing. This comparison helps you understand what you're signing up for before
Testing
NATS testing is unusually clean compared to other message brokers: you can run an embedded NATS server in the same process as your tests with zero Docker setup. This guide covers testing core pub/sub, JetStream persistent streams, and the key-value store using Go's testing package and