NATS Example

This example uses nats-server as the system under test.

The main scenario publishes messages and checks that they can be received back through NATS. The same behavior can be run against a local nats-server process or a Docker Compose deployment.

How TF runs this

Each example follows the same pattern:

TF starts nats-server either as a local process or in Docker Compose
a workload publishes and subscribes through the NATS client
an expectation checks that the server stays healthy during the run

Scenarios

basic_roundtrip runs the roundtrip check against a local nats-server
compose_roundtrip runs the same check in Docker Compose
parity_check runs compose first and then runs local when nats-server is available

Run locally

cargo run -p nats-examples --bin basic_roundtrip

If nats-server is not on PATH:

NATS_SERVER_BIN=/path/to/nats-server cargo run -p nats-examples --bin basic_roundtrip

Run with Docker Compose

cargo run -p nats-examples --bin compose_roundtrip

Run the parity check

cargo run -p nats-examples --bin parity_check

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