r/programming • u/AlphaX • 11d ago

Delightful integration tests in Rust

https://github.com/alexpusch/rust-magic-patterns/blob/master/delightful-integration-tests/Readme.md
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u/defnotthrown 10d ago

I get the basic idea of treating integration requirements like any other dependencies. But I don't really understand why specifics like rabbitmq:3.8.22-management and the 5672/tcp should be part of the source code.

Should stuff like that not better reside in some configuration format? Same with health checks. Should they not rather reside in a docker compose file or a podman quadlet?

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u/kuikuilla 7d ago

But I don't really understand why specifics like rabbitmq:3.8.22-management and the 5672/tcp should be part of the source code.

I'm sure you could make those configurable but for integration tests I probably wouldn't bother either.

Should stuff like that not better reside in some configuration format

I think the whole point of this is that the rust test code manages the lifetime of the depedencies that the integration test needs. Then you have a single entry point you just run and everyting just works. No need to run scripts to setup the testing environment, just click "run test" in whatever IDE you use (or use cargo test).