From 48a407177a754ccf4da3e230ac76bc41aabbefac Mon Sep 17 00:00:00 2001
From: "Shahar \"Dawn\" Or" <mightyiampresence@gmail.com>
Date: Tue, 18 Mar 2025 20:32:43 +0000
Subject: [PATCH] nixos: add simple vm-variant test

---
 nixos/tests/all-tests.nix  |  1 +
 nixos/tests/vm-variant.nix | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 nixos/tests/vm-variant.nix

diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 83bd0c45c6f7..86a350bb5744 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -1279,6 +1279,7 @@ in {
   victoriametrics = handleTest ./victoriametrics {};
   vikunja = handleTest ./vikunja.nix {};
   virtualbox = handleTestOn ["x86_64-linux"] ./virtualbox.nix {};
+  vm-variant = handleTest ./vm-variant.nix {};
   vscode-remote-ssh = handleTestOn ["x86_64-linux"] ./vscode-remote-ssh.nix {};
   vscodium = discoverTests (import ./vscodium.nix);
   vsftpd = handleTest ./vsftpd.nix {};
diff --git a/nixos/tests/vm-variant.nix b/nixos/tests/vm-variant.nix
new file mode 100644
index 000000000000..cc95a3e6ed69
--- /dev/null
+++ b/nixos/tests/vm-variant.nix
@@ -0,0 +1,31 @@
+{
+  pkgs,
+  ...
+}:
+let
+  evalConfig = import ../lib/eval-config.nix;
+
+  nixos = evalConfig {
+    modules = [
+      {
+        system.stateVersion = "25.05";
+        fileSystems."/".device = "/dev/null";
+        boot.loader.grub.device = "nodev";
+        nixpkgs.hostPlatform = pkgs.system;
+        virtualisation.vmVariant.networking.hostName = "vm";
+        virtualisation.vmVariantWithBootLoader.networking.hostName = "vm-w-bl";
+      }
+    ];
+  };
+in
+assert nixos.config.virtualisation.vmVariant.networking.hostName == "vm";
+assert nixos.config.virtualisation.vmVariantWithBootLoader.networking.hostName == "vm-w-bl";
+assert nixos.config.networking.hostName == "nixos";
+pkgs.symlinkJoin {
+  name = "nixos-test-vm-variant-drvs";
+  paths = with nixos.config.system.build; [
+    toplevel
+    vm
+    vmWithBootLoader
+  ];
+}