home-manager/tests/modules/systemd/timers.nix

{ ... }:

{
  systemd.user.timers.test-timer = {
    Unit = { Description = "A basic test timer"; };

    Timer = { OnUnitActiveSec = "1h 30m"; };

    Install = { WantedBy = [ "timers.target" ]; };
  };

  nmt.script = ''
    unitDir=home-files/.config/systemd/user
    timerFile=$unitDir/test-timer.timer

    assertFileExists $timerFile
    assertFileContent $timerFile ${./timers-expected.conf}

    assertFileExists $unitDir/timers.target.wants/test-timer.timer
  '';
}