From 0cfc7e63a648b24efb9c2c783a3422bdac408958 Mon Sep 17 00:00:00 2001
From: Henri Menke <henri@henrimenke.de>
Date: Wed, 18 Jan 2023 15:40:42 +0100
Subject: nixos/zram-generator: add test

---
 nixos/tests/all-tests.nix      |  1 +
 nixos/tests/zram-generator.nix | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 nixos/tests/zram-generator.nix

(limited to 'nixos')

diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index b4bd8ef3e0f2..76f9b512b0f4 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -752,6 +752,7 @@ in {
   zigbee2mqtt = handleTest ./zigbee2mqtt.nix {};
   zoneminder = handleTest ./zoneminder.nix {};
   zookeeper = handleTest ./zookeeper.nix {};
+  zram-generator = handleTest ./zram-generator.nix {};
   zrepl = handleTest ./zrepl.nix {};
   zsh-history = handleTest ./zsh-history.nix {};
 }
diff --git a/nixos/tests/zram-generator.nix b/nixos/tests/zram-generator.nix
new file mode 100644
index 000000000000..affa081bcc35
--- /dev/null
+++ b/nixos/tests/zram-generator.nix
@@ -0,0 +1,18 @@
+import ./make-test-python.nix {
+  name = "zram-generator";
+
+  nodes.machine = { pkgs, ... }: {
+    environment.etc."systemd/zram-generator.conf".text = ''
+      [zram0]
+      zram-size = ram / 2
+    '';
+    systemd.packages = [ pkgs.zram-generator ];
+    systemd.services."systemd-zram-setup@".path = [ pkgs.util-linux ]; # for mkswap
+  };
+
+  testScript = ''
+    machine.wait_for_unit("systemd-zram-setup@zram0.service")
+    assert "zram0" in machine.succeed("zramctl -n")
+    assert "zram0" in machine.succeed("swapon --show --noheadings")
+  '';
+}
-- 
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