path: root/tests/installer.nix

{ pkgs, nixpkgs, system, ... }:

rec {

  # Build the ISO.  This is the regular installation CD but with test
  # instrumentation.
  iso =
    (import ../lib/eval-config.nix {
      inherit nixpkgs system;
      modules =
        [ ../modules/installer/cd-dvd/installation-cd-minimal.nix
          ../modules/testing/test-instrumentation.nix
          { key = "serial"; 
            boot.kernelParams = [ "console=tty1" "console=ttyS0" ];
            boot.loader.grub.timeout = pkgs.lib.mkOverride 0 {} 0;
            # The test cannot access the network, so any sources we
            # need must be included in the ISO.
            isoImage.storeContents = [ pkgs.hello.src ];
          }
        ];
    }).config.system.build.isoImage;

  # The test script boots the CD, installs NixOS on an empty hard
  # disk, and then reboot from the hard disk.
  testScript =
    ''
      createDisk("harddisk", 4 * 1024);

      my $machine = Machine->new({ hda => "harddisk", cdrom => glob("${iso}/iso/*.iso") });

      $machine->mustSucceed("echo hello");

      # Make sure that we get a login prompt etc.
      $machine->waitForJob("tty1");
      $machine->waitForJob("rogue");
      $machine->waitForJob("nixos-manual");

      # Test nix-env.
      $machine->mustSucceed("source /etc/profile");
      $machine->mustFail("hello");
      $machine->mustSucceed("nix-env -i hello");
      $machine->mustSucceed("hello") =~ /Hello, world/
          or die "bad `hello' output";

      # Partition the disk.
      $machine->mustSucceed(
          "parted /dev/vda mklabel msdos",
          "parted /dev/vda mkpart primary linux-swap 0 1G",
          "parted /dev/vda mkpart primary ext2 1G 3G",
          # It can take udev a moment to create /dev/vda*.
          "udevadm settle",
          "mkswap /dev/vda1 -L swap",
          "swapon -L swap",
          "mkfs.ext3 -L nixos /dev/vda2",
          "mount LABEL=nixos /mnt",
      );

      # Create a NixOS configuration.
      $machine->mustSucceed(
          "mkdir -p /mnt/etc/nixos",
          "nixos-hardware-scan > /mnt/etc/nixos/hardware.nix",
      );

      my $cfg = $machine->mustSucceed("cat /mnt/etc/nixos/hardware.nix");
      print STDERR "Result of the hardware scan:$cfg\n";

      $machine->shutdown;

      # Now see if we can boot the installation.
      my $machine = Machine->new({ hda => "harddisk" });
      $machine->mustSucceed("echo hello");
      $machine->shutdown;
    '';

}