nixpkgs/nixos/tests/mutable-users.nix

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# Mutable users tests.
import ./make-test-python.nix ({ pkgs, ...} : {
name = "mutable-users";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ gleber ];
};
nodes = {
machine = { ... }: {
users.mutableUsers = false;
};
mutable = { ... }: {
users.mutableUsers = true;
};
};
testScript = {nodes, ...}: let
immutableSystem = nodes.machine.config.system.build.toplevel;
mutableSystem = nodes.mutable.config.system.build.toplevel;
in ''
machine.start()
machine.wait_for_unit("default.target")
# Machine starts in immutable mode. Add a user and test if reactivating
# configuration removes the user.
with subtest("Machine in immutable mode"):
assert "foobar" not in machine.succeed("cat /etc/passwd")
machine.succeed("sudo useradd foobar")
assert "foobar" in machine.succeed("cat /etc/passwd")
machine.succeed(
"${immutableSystem}/bin/switch-to-configuration test"
)
assert "foobar" not in machine.succeed("cat /etc/passwd")
# In immutable mode passwd is not wrapped, while in mutable mode it is
# wrapped.
with subtest("Password is wrapped in mutable mode"):
assert "/run/current-system/" in machine.succeed("which passwd")
machine.succeed(
"${mutableSystem}/bin/switch-to-configuration test"
)
assert "/run/wrappers/" in machine.succeed("which passwd")
'';
})