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nixpkgs/nixos/tests/novacomd.nix
Uli Baum 62086c6be6 nixos/tests/novacomd: prevent non-deterministic failure
A sporadic failure occured on Hydra because a request was sent
to the daemon after the systemd unit was started, but before the
daemon was actually listening. Fix by checking for open port first.
2018-09-04 22:46:44 +02:00

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Nix

import ./make-test.nix ({ pkgs, ...} : {
name = "novacomd";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ dtzWill ];
};
machine = { ... }: {
services.novacomd.enable = true;
};
testScript = ''
$machine->waitForUnit("multi-user.target");
# multi-user.target wants novacomd.service, but let's make sure
$machine->waitForUnit("novacomd.service");
# Check status and try connecting with novacom
$machine->succeed("systemctl status novacomd.service >&2");
# to prevent non-deterministic failure,
# make sure the daemon is really listening
$machine->waitForOpenPort(6968);
$machine->succeed("novacom -l");
# Stop the daemon, double-check novacom fails if daemon isn't working
$machine->stopJob("novacomd");
$machine->fail("novacom -l");
# And back again for good measure
$machine->startJob("novacomd");
# make sure the daemon is really listening
$machine->waitForOpenPort(6968);
$machine->succeed("novacom -l");
'';
})