wip: simple nixos test

flake.nix

@@ -318,6 +318,21 @@
  mv logfile $out
  '';
 
+ simpleNixosTest = pkgs.nixosTest {
+ name = "simple-nixos-test";
+ nodes.machine = {
+ users.users.nixos = {
+ isNormalUser = true;
+ initialHashedPassword = "nixos";
+ };
+ };
+ testScript = ''
+ start_all();
+
+ machine.succeed("sudo -u nixos whoami")
+ '';
+ };
+
  in rec {
  # The list of all packages that can be built with 'nix build'. The list
  # of names that can be used can be shown with 'nix flake show'
@@ -335,6 +350,7 @@
  checks = {
  psql_14 = makeCheckHarness basePackages.psql_14.bin;
  psql_15 = makeCheckHarness basePackages.psql_15.bin;
+ inherit simpleNixosTest;
  };
 
  # Apps is a list of names of things that can be executed with 'nix run';