from testlib.fixtures.nix import Nix from testlib.utils import get_global_asset from testlib.fixtures.file_helper import File, with_files @with_files( { "config.nix": get_global_asset("config.nix"), "default.nix": File(""" with import ./config.nix; mkDerivation { name = "pass-as-file"; passAsFile = [ "foo" ]; foo = [ "xyzzy" ]; builder = builtins.toFile "builder.sh" '' [ "$(basename $fooPath)" = .attr-1bp7cri8hplaz6hbz0v4f0nl44rl84q1sg25kgwqzipzd1mv89ic ] [ "$(cat $fooPath)" = xyzzy ] touch $out ''; } """), } ) def test_pass_as_file(nix: Nix): nix.nix_build([]).run().ok()