depot/nixos/tests/fanout.nix

{
  system ? builtins.currentSystem,
  config ? { },
  pkgs ? import ../.. { inherit system config; },
}:
import ./make-test-python.nix (
  { lib, pkgs, ... }:
  {
    name = "fanout";
    meta.maintainers = [ lib.maintainers.therishidesai ];

    nodes =
      let
        cfg =
          { ... }:
          {
            services.fanout = {
              enable = true;
              fanoutDevices = 2;
              bufferSize = 8192;
            };
          };
      in
      {
        machine = cfg;
      };

    testScript = ''
      start_all()

      # mDNS.
      machine.wait_for_unit("multi-user.target")

      machine.succeed("test -c /dev/fanout0")
      machine.succeed("test -c /dev/fanout1")
    '';
  }
)