How can you disable tests with stackProject?

[codygman]

I think it'll be something like this maybe?

let
  sources = import ./nix/sources.nix;
  haskellNix = import sources."haskell.nix" {};
  nixpkgsSrc = haskellNix.sources.nixpkgs-2003;
  nixpkgsArgs = haskellNix.nixpkgsArgs;
  pkgs = import nixpkgsSrc nixpkgsArgs ;
  project = pkgs.haskell-nix.stackProject {
    src = pkgs.nix-gitignore.gitignoreSource [] ./.;
    compiler-nix-name = "ghc883";
    haskellNix = haskellNix;
  };
in project.overrideAttrs (old: {
    # override something from the list at https://input-output-hk.github.io/haskell.nix/reference/library/#stackproject
})

[hamishmack]

I presume that we want to avoid even building the test (since the tests are not run unless we explicitly ask for them to be run).

Try:

  modules = [{ packages.packagename.components.tests.testname.buildable = false; }];

or add a flagname flag to the packagename.cabal file with a if flag( flagname) buildable: False in the test:

   modules = [ { packages.packagename.flags.flagname = true; } ];

I don't think overrideAttrs will work on project you might need to pass it explicitly.

[codygman]

Thanks @hamishmack! They key piece preventing me from figuring this out was understanding I could override modules like that in the modules argument of stackProject.

For others who might need to know this, the solution (I think, it's still building) was basically:

let
  sources = import ./nix/sources.nix;
  haskellNix = import sources."haskell.nix" {};
  nixpkgsSrc = haskellNix.sources.nixpkgs-2003;
  nixpkgsArgs = haskellNix.nixpkgsArgs;

in
{ pkgs ? import nixpkgsSrc nixpkgsArgs }:
pkgs.haskell-nix.stackProject {
  src = pkgs.nix-gitignore.gitignoreSource [] ./.;
  compiler-nix-name = "ghc883";
  modules = [{ packages.myproj.components.tests.test.buildable = false; }];
}

[codygman]

Hm, it seems I ran into another issue with the above code:

error: The option `packages.myproj.components.tests.test.buildable' has conflicting definitions, in `/nix/store/kifzr1a2pl3rygqnavfzlp1rpn454lx1-haskell.nix-src/modules/plan.nix' and `<unknown-file>'.

Here's a github actions job testing the change given how I implemented it:

https://github.com/codygman/haskell-nix-stack-workflow/runs/908772081?check_suite_focus=true

This one works, but in another project I have that same method gives the error above. I'll have to figure out the differences between the two later.

[hamishmack]

Try:

modules = [{ packages.myproj.components.tests.test.buildable = pkgs.lib.mkForce false; }];

[stale]

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