Testing
Fast feedback without a running broker.
The in-memory test harness uses the same lifecycle and observation model in both clients, so application tests can exercise messaging behavior in isolation.
A minimal harness test
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What the harness guarantees
- Explicit start and stop lifecycle
- Handler and consumer registration before delivery begins
- Per-delivery dependency-injection scopes for configured consumers
- Deterministic consumed observations with explicit timeouts
- Aligned behavior across C# and Java
Harness vs mediator
The test harness models a hosted transport lifecycle. The standalone in-memory mediator is immediately usable after construction and is intended for in-process messaging.
Integration and interoperability tests
For transport-level confidence, the project uses Testcontainers with dynamically mapped ports and a pinned RabbitMQ image. Cross-language and MassTransit scenarios run in a dedicated opt-in matrix.