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-rw-r--r--nixos/tests/zram-generator.nix18
1 files changed, 18 insertions, 0 deletions
diff --git a/nixos/tests/zram-generator.nix b/nixos/tests/zram-generator.nix
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index 00000000000..affa081bcc3
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+++ b/nixos/tests/zram-generator.nix
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+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")
+  '';
+}