From c258e18f67a5d39d4d2902f84201af4b6dac40b8 Mon Sep 17 00:00:00 2001
From: Robert James Hernandez <rob@sarcasticadmin.com>
Date: Mon, 21 Oct 2024 19:00:20 +0000
Subject: [PATCH] nixos/auto-cpufreq: init vm test

Even though cpufreq cannot be adjusted within qemu this test is still
useful to ensure that the service is running and the auto-cpufreq cli is
able to interact with the auto-cpufreq service.
---
 nixos/tests/all-tests.nix    |  1 +
 nixos/tests/auto-cpufreq.nix | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 nixos/tests/auto-cpufreq.nix

diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 8b674bfb7342..c9cab8bb41af 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -141,6 +141,7 @@ in {
   audiobookshelf = handleTest ./audiobookshelf.nix {};
   auth-mysql = handleTest ./auth-mysql.nix {};
   authelia = handleTest ./authelia.nix {};
+  auto-cpufreq = handleTest ./auto-cpufreq.nix {};
   avahi = handleTest ./avahi.nix {};
   avahi-with-resolved = handleTest ./avahi.nix { networkd = true; };
   ayatana-indicators = runTest ./ayatana-indicators.nix;
diff --git a/nixos/tests/auto-cpufreq.nix b/nixos/tests/auto-cpufreq.nix
new file mode 100644
index 000000000000..79129cf1ffaf
--- /dev/null
+++ b/nixos/tests/auto-cpufreq.nix
@@ -0,0 +1,33 @@
+import ./make-test-python.nix (
+  { pkgs, ... }:
+
+  {
+    name = "auto-cpufreq-server";
+
+    nodes = {
+      machine =
+        { pkgs, ... }:
+        {
+          # service will still start but since vm inside qemu cpufreq adjustments
+          # cannot be made. This will resource in the following error but the service
+          # remains up:
+          #   ERROR:
+          #   Couldn't find any of the necessary scaling governors.
+          services.auto-cpufreq = {
+            enable = true;
+            settings = {
+              charger = {
+                turbo = "auto";
+              };
+            };
+          };
+        };
+    };
+
+    testScript = ''
+      machine.start()
+      machine.wait_for_unit("auto-cpufreq.service")
+      machine.succeed("auto-cpufreq --force reset")
+    '';
+  }
+)