anchor.diff:    pkgs ? import ../.. { inherit system config; }
   }:
   
  -with import ../lib/testing.nix { inherit system pkgs; };
  +with import ../lib/testing-python.nix { inherit system pkgs; };
   
   let
  -
  -  makeTest = import ./make-test-python.nix;
   
     makeZfsTest = name:
       { kernelPackage ? pkgs.linuxPackages_latest
  
positive.code:     enableUnstable = true;
      extraTest = ''
        machine.succeed(
          "echo password | zpool create -o altroot=\"/tmp/mnt\" -O encryption=aes-256-gcm -O keyformat=passphrase rpool /dev/vdb1",
          "zfs create -o mountpoint=legacy rpool/root",
          "mount -t zfs rpool/root /tmp/mnt",
          "udevadm settle",
  
          "umount /tmp/mnt",
          "zpool destroy rpool",
          "udevadm settle"
        )
      '';
    };
  
    installer = (import ./installer.nix { }).zfsroot;
  
  }
  
negative.code:         maintainers = [ adisbladis ];
        };
  
        machine = { pkgs, ... }: {
          virtualisation.emptyDiskImages = [ 4096 ];
          networking.hostId = "deadbeef";
          boot.kernelPackages = kernelPackage;
          boot.supportedFilesystems = [ "zfs" ];
          boot.zfs.enableUnstable = enableUnstable;
  
          environment.systemPackages = [ pkgs.parted ];
        };
  
        testScript = ''
          machine.succeed(
              "modprobe zfs",
              "zpool status",
              "ls /dev",
              "mkdir /tmp/mnt",
              "udevadm settle",
              "parted --script /dev/vdb mklabel msdos",
              "parted --script /dev/vdb -- mkpart primary 1024M -1s",
              "udevadm settle",
              "zpool create rpool /dev/vdb1",
              "zfs create -o mountpoint=legacy rpool/root",
              "mount -t zfs rpool/root /tmp/mnt",
              "udevadm settle",
              "umount /tmp/mnt",
              "zpool destroy rpool",
              "udevadm settle",
          )
        '' + extraTest;
  
  