[Nix-dev] NixOS configuration unit tests
mail at beyermatthias.de
Fri Jan 23 15:20:06 CET 2015
On 23-01-2015 14:04:22, Wout Mertens wrote:
> I'm thinking that it might be a good idea to have unit tests for the
> configuration.nix descriptions. That way we can be more sure that a change
> doesn't have unintended consequences.
Really good idea!
> For example, we could have tests like "if you set config.foo and
> config.bar, the evaluation should fail" and "if you set config.foo then
> config.baz should get a value".
> One specific use case is the license whitelisting/blacklisting
> (https://github.com/NixOS/nixpkgs/pull/5892), where we don't ever want to
> inadvertently allow forbidden licenses.
> Any thoughts on how to implement this? An approach might be a shell script
> that runs a few nix-instantiate command lines and expects errors and
> values, but how would that integrate with the nixos tests?
Mit freundlichen Grüßen,
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