nixos: add simple vm-variant test (#391021)

  victoriametrics = handleTest ./victoriametrics {};

  vikunja = handleTest ./vikunja.nix {};

  virtualbox = handleTestOn ["x86_64-linux"] ./virtualbox.nix {};

  vm-variant = handleTest ./vm-variant.nix {};

  vscode-remote-ssh = handleTestOn ["x86_64-linux"] ./vscode-remote-ssh.nix {};

  vscodium = discoverTests (import ./vscodium.nix);

  vsftpd = handleTest ./vsftpd.nix {};

{

  pkgs,

  ...

}:

let

  evalConfig = import ../lib/eval-config.nix;

  nixos = evalConfig {

    modules = [

      {

        system.stateVersion = "25.05";

        fileSystems."/".device = "/dev/null";

        boot.loader.grub.device = "nodev";

        nixpkgs.hostPlatform = pkgs.system;

        virtualisation.vmVariant.networking.hostName = "vm";

        virtualisation.vmVariantWithBootLoader.networking.hostName = "vm-w-bl";

      }

    ];

  };

in

assert nixos.config.virtualisation.vmVariant.networking.hostName == "vm";

assert nixos.config.virtualisation.vmVariantWithBootLoader.networking.hostName == "vm-w-bl";

assert nixos.config.networking.hostName == "nixos";

pkgs.symlinkJoin {

  name = "nixos-test-vm-variant-drvs";

  paths = with nixos.config.system.build; [

    toplevel

    vm

    vmWithBootLoader

  ];

}