nixpkgs/nixos/tests/power-profiles-daemon.nix

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import ./make-test-python.nix ({ pkgs, ... }:
{
name = "power-profiles-daemon";
meta = with pkgs.lib.maintainers; {
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maintainers = [ mvnetbiz ];
};
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nodes.machine = { pkgs, ... }: {
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services.power-profiles-daemon.enable = true;
environment.systemPackages = [ pkgs.glib ];
};
testScript = ''
def get_profile():
return machine.succeed(
"""gdbus call --system --dest net.hadess.PowerProfiles --object-path /net/hadess/PowerProfiles \
--method org.freedesktop.DBus.Properties.Get 'net.hadess.PowerProfiles' 'ActiveProfile'
"""
)
def set_profile(profile):
return machine.succeed(
"""gdbus call --system --dest net.hadess.PowerProfiles --object-path /net/hadess/PowerProfiles \
--method org.freedesktop.DBus.Properties.Set 'net.hadess.PowerProfiles' 'ActiveProfile' "<'{profile}'>"
""".format(
profile=profile
)
)
machine.wait_for_unit("multi-user.target")
set_profile("power-saver")
profile = get_profile()
if not "power-saver" in profile:
raise Exception("Unable to set power-saver profile")
set_profile("balanced")
profile = get_profile()
if not "balanced" in profile:
raise Exception("Unable to set balanced profile")
'';
})