nixos/tests/velocity: init

nixos/tests/all-tests.nix

···
   vault-postgresql = handleTest ./vault-postgresql.nix {};
   vaultwarden = discoverTests (import ./vaultwarden.nix);
   vector = handleTest ./vector {};
+  velocity = runTest ./velocity.nix;
   vengi-tools = handleTest ./vengi-tools.nix {};
   victoriametrics = handleTest ./victoriametrics {};
   vikunja = handleTest ./vikunja.nix {};

nixos/tests/velocity.nix

···
+{ lib, pkgs, ... }:
+{
+  name = "velocity";
+  meta = {
+    platforms = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
+    maintainers = [ lib.maintainers.Tert0 ];
+  };
+
+  nodes.server =
+    { ... }:
+    {
+      imports =
+        let
+          mkVelocityService = name: pkg: {
+            systemd.sockets.${name} = {
+              socketConfig = {
+                ListenFIFO = "/run/${name}.stdin";
+                Service = "${name}";
+              };
+            };
+            systemd.services.${name} = {
+              serviceConfig = {
+                ExecStart = "${pkg}/bin/velocity";
+                DynamicUser = true;
+                StateDirectory = "${name}";
+                WorkingDirectory = "/var/lib/${name}";
+
+                Sockets = "${name}.socket";
+                StandardInput = "socket";
+                StandardOutput = "journal";
+                StandardError = "journal";
+              };
+            };
+          };
+        in
+        [
+          (mkVelocityService "velocity-without-native" (
+            pkgs.velocity.override { withVelocityNative = false; }
+          ))
+          (mkVelocityService "velocity-with-native" (pkgs.velocity.override { withVelocityNative = true; }))
+        ];
+
+      environment.systemPackages = [ pkgs.mcstatus ];
+    };
+
+  testScript = ''
+    def test_velocity(name: str, native: bool):
+      server.start_job(name)
+      server.wait_for_unit(name);
+      server.wait_for_open_port(25565)
+      server.wait_until_succeeds(f"journalctl -b -u {name} | grep -q 'Booting up Velocity nixpkgs-${pkgs.velocity.version}...'")
+      connections_startup_query = "Connections will use epoll channels, libdeflate (.+) compression, OpenSSL 3.x.x (.+) ciphers" if native else "Connections will use epoll channels, Java compression, Java ciphers"
+      server.wait_until_succeeds(f"journalctl -b -u {name} | grep -q -E '{connections_startup_query}'")
+      server.wait_until_succeeds(f"journalctl -b -u {name} | grep -q 'Done ([0-9]*.[0-9]*s)!'");
+
+      _, status_result = server.execute("mcstatus localhost:25565 status")
+      assert "A Velocity Server" in status_result
+
+      server.execute(f"echo stop > /run/{name}.stdin")
+      server.wait_for_closed_port(25565);
+
+    test_velocity("velocity-without-native", False)
+    test_velocity("velocity-with-native", True)
+  '';
+}