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|
{ hostPkgs, ... }:
{
name = "nixos-rebuild-specialisations";
# TODO: remove overlay from nixos/modules/profiles/installation-device.nix
# make it a _small package instead, then remove pkgsReadOnly = false;.
node.pkgsReadOnly = false;
nodes = {
machine =
{ lib, pkgs, ... }:
{
imports = [
../modules/profiles/installation-device.nix
../modules/profiles/base.nix
];
nix.settings = {
substituters = lib.mkForce [ ];
hashed-mirrors = null;
connect-timeout = 1;
};
nix.enable = true; # disabled by default. See all-tests.nix / tag(no-nix-by-default)
system.includeBuildDependencies = true;
system.extraDependencies = [
# Not part of the initial build apparently?
pkgs.grub2
];
system.switch.enable = true;
virtualisation = {
cores = 2;
memorySize = 4096;
};
};
};
testScript =
let
configFile =
hostPkgs.writeText "configuration.nix" # nix
''
{ lib, pkgs, ... }: {
imports = [
./hardware-configuration.nix
<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
];
boot.loader.grub = {
enable = true;
device = "/dev/vda";
forceInstall = true;
};
documentation.enable = false;
environment.systemPackages = [
(pkgs.writeShellScriptBin "parent" "")
];
specialisation.foo = {
inheritParentConfig = true;
configuration = { ... }: {
environment.systemPackages = [
(pkgs.writeShellScriptBin "foo" "")
];
};
};
specialisation.bar = {
inheritParentConfig = true;
configuration = { ... }: {
environment.systemPackages = [
(pkgs.writeShellScriptBin "bar" "")
];
};
};
}
'';
in
# python
''
machine.start()
machine.succeed("udevadm settle")
machine.wait_for_unit("multi-user.target")
machine.succeed("nixos-generate-config")
machine.copy_from_host(
"${configFile}",
"/etc/nixos/configuration.nix",
)
with subtest("Switch to the base system"):
machine.succeed("nixos-rebuild switch")
machine.succeed("parent")
machine.fail("foo")
machine.fail("bar")
with subtest("Switch from base system into a specialization"):
machine.succeed("nixos-rebuild switch --specialisation foo")
machine.succeed("parent")
machine.succeed("foo")
machine.fail("bar")
with subtest("Switch from specialization into another specialization"):
machine.succeed("nixos-rebuild switch -c bar")
machine.succeed("parent")
machine.fail("foo")
machine.succeed("bar")
with subtest("Switch from specialization into the base system"):
machine.succeed("nixos-rebuild switch")
machine.succeed("parent")
machine.fail("foo")
machine.fail("bar")
with subtest("Switch into specialization using `nixos-rebuild test`"):
machine.succeed("nixos-rebuild test --specialisation foo")
machine.succeed("parent")
machine.succeed("foo")
machine.fail("bar")
with subtest("Make sure nonsense command combinations are forbidden"):
machine.fail("nixos-rebuild boot --specialisation foo")
machine.fail("nixos-rebuild boot -c foo")
'';
}
|
