nixpkgs/pkgs/tools/networking/croc/test-local-relay.nix


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{ stdenv, croc }:

stdenv.mkDerivation {
  name = "croc-test-local-relay";
  meta.timeout = 300;
  buildCommand = ''
          HOME=$(mktemp -d)
          # start a local relay
          ${croc}/bin/croc relay --ports 11111,11112 &
          # start sender in background
          MSG="See you later, alligator!"
          ${croc}/bin/croc --relay localhost:11111 send --code correct-horse-battery-staple --text "$MSG" &
          # wait for things to settle
          sleep 1
          MSG2=$(${croc}/bin/croc --relay localhost:11111 --yes correct-horse-battery-staple)
          # compare
          [ "$MSG" = "$MSG2" ] && touch $out
  '';
}