nixos/tests: init systemd-portabled

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nixos/tests/all-tests.nix

@@ -607,6 +607,7 @@ in {
   systemd-networkd-vrf = handleTest ./systemd-networkd-vrf.nix {};
   systemd-nspawn = handleTest ./systemd-nspawn.nix {};
   systemd-oomd = handleTest ./systemd-oomd.nix {};
+  systemd-portabled = handleTest ./systemd-portabled.nix {};
   systemd-shutdown = handleTest ./systemd-shutdown.nix {};
   systemd-timesyncd = handleTest ./systemd-timesyncd.nix {};
   systemd-misc = handleTest ./systemd-misc.nix {};

nixos/tests/systemd-portabled.nix

@@ -0,0 +1,51 @@
+import ./make-test-python.nix ({pkgs, lib, ...}: let
+  demo-program = pkgs.writeShellScriptBin "demo" ''
+      while ${pkgs.coreutils}/bin/sleep 3; do
+          echo Hello World > /dev/null
+      done
+  '';
+  demo-service = pkgs.writeText "demo.service" ''
+    [Unit]
+    Description=demo service
+    Requires=demo.socket
+    After=demo.socket
+
+    [Service]
+    Type=simple
+    ExecStart=${demo-program}/bin/demo
+    Restart=always
+
+    [Install]
+    WantedBy=multi-user.target
+    Also=demo.socket
+  '';
+  demo-socket = pkgs.writeText "demo.socket" ''
+    [Unit]
+    Description=demo socket
+
+    [Socket]
+    ListenStream=/run/demo.sock
+    SocketMode=0666
+
+    [Install]
+    WantedBy=sockets.target
+  '';
+  demo-portable = pkgs.portableService {
+    pname = "demo";
+    version = "1.0";
+    description = ''A demo "Portable Service" for a shell program built with nix'';
+    units = [ demo-service demo-socket ];
+  };
+in {
+
+  name = "systemd-portabled";
+  nodes.machine = {};
+  testScript = ''
+    machine.succeed("portablectl")
+    machine.wait_for_unit("systemd-portabled.service")
+    machine.succeed("portablectl attach --now --runtime ${demo-portable}/demo_1.0.raw")
+    machine.wait_for_unit("demo.service")
+    machine.succeed("portablectl detach --now --runtime demo_1.0")
+    machine.fail("systemctl status demo.service")
+  '';
+})