1 files changed, 18 insertions, 0 deletions
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")
+  '';
+}