nixpkgs/nixos/tests/rasdaemon.nix

import ./make-test-python.nix (
  { pkgs, ... }:
  {
    name = "rasdaemon";
    meta = with pkgs.lib.maintainers; {
      maintainers = [ evils ];
    };

    nodes.machine =
      { pkgs, ... }:
      {
        imports = [ ../modules/profiles/minimal.nix ];
        hardware.rasdaemon = {
          enable = true;
          # should be enabled by default, just making sure
          record = true;
          # nonsense label
          labels = ''
            vendor: none
              product: none
              model: none
                DIMM_0: 0.0.0;
          '';
        };
      };

    testScript = ''
      start_all()
      machine.wait_for_unit("multi-user.target")
      # confirm rasdaemon is running and has a valid database
      # some disk errors detected in qemu for some reason ¯\_(ツ)_/¯
      machine.succeed("ras-mc-ctl --errors | tee /dev/stderr | grep -q 'No .* errors.'")
      # confirm the supplied labels text made it into the system
      machine.succeed("grep -q 'vendor: none' /etc/ras/dimm_labels.d/labels >&2")
      machine.shutdown()
    '';
  }
)