nixpkgs/nixos/tests/apcupsd.nix

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let
# arbitrary address
ipAddr = "192.168.42.42";
in
import ./make-test-python.nix ({ lib, pkgs, ... }: {
name = "apcupsd";
meta.maintainers = with lib.maintainers; [ bjornfor ];
nodes = {
machine = {
services.apcupsd = {
enable = true;
configText = ''
UPSTYPE usb
BATTERYLEVEL 42
# Configure NISIP so that the only way apcaccess can work is to read
# this config.
NISIP ${ipAddr}
'';
};
networking.interfaces.eth1 = {
ipv4.addresses = [{
address = ipAddr;
prefixLength = 24;
}];
};
};
};
# Check that the service starts, that the CLI (apcaccess) works and that it
# uses the config (ipAddr) defined in the service config.
testScript = ''
start_all()
machine.wait_for_unit("apcupsd.service")
machine.wait_for_open_port(3551, "${ipAddr}")
res = machine.succeed("apcaccess")
expect_line="MBATTCHG : 42 Percent"
assert "MBATTCHG : 42 Percent" in res, f"expected apcaccess output to contain '{expect_line}' but got '{res}'"
machine.shutdown()
'';
})