directory aware testing

[Jan-Jan]

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• [X] This is not a support question.

Motivation

At the moment if I run cargo test in the polkadot-sdk/templates/solochain it runs the test for the whole monorepo, instead of just running the tests specific to that directory (i.e. that you would get with cargo test -p pallet-template).

This directory aware testing would make it easier for noobs to contribute to the SDK (since a smaller, more targeted test set would run to specifically test their changes).

Request

Create directory aware testing for each of the "components"/"sub-repos"

Solution

Disclaimer: I have no idea how to implement this, but would be happy to learn.

Are you willing to help with this request?

Yes!, Maybe (please elaborate above)

[ggwpez]

It could be done with a cargo extension, or possibly a cargo alias.
Or we do it as part of this: https://github.com/paritytech/polkadot-sdk/issues/5192 (all in one solution) maybe you could kickstart this if you want? Does not look like anyone picked it up yet.

[bkchr]

This is a cargo related question. We are not writing cargo. Also this is quite a niche question and can be solved with a simple find . -name Cargo.toml -exec cargo test --manifest-path {} \; script.