nixos/tests/without-nix.nix


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{ lib, ... }:
{
  name = "without-nix";
  meta.maintainers = with lib.maintainers; [ ericson2314 ];

  node.pkgsReadOnly = false;

  nodes.machine = {
    nix.enable = false;
    nixpkgs.overlays = [
      (self: super: {
        nix = throw "don't want to use pkgs.nix";
        nixVersions = lib.mapAttrs (k: throw "don't want to use pkgs.nixVersions.${k}") super.nixVersions;
        # aliases, some deprecated
        nix_2_3 = throw "don't want to use pkgs.nix_2_3";
        nix_2_4 = throw "don't want to use pkgs.nix_2_4";
        nix_2_5 = throw "don't want to use pkgs.nix_2_5";
        nix_2_6 = throw "don't want to use pkgs.nix_2_6";
        nixFlakes = throw "don't want to use pkgs.nixFlakes";
        nixStable = throw "don't want to use pkgs.nixStable";
        nixUnstable = throw "don't want to use pkgs.nixUnstable";
        nixStatic = throw "don't want to use pkgs.nixStatic";
      })
    ];
  };

  testScript = ''
    start_all()

    machine.succeed("which which")
    machine.fail("which nix")
  '';
}