godot: add project test

  libXrender,

  makeWrapper,

  pkg-config,

  runCommand,

  scons,

  speechd-minimal,

  stdenv,

  stdenvNoCC,

  testers,

  udev,

  version,

      '';

    passthru = {

      tests = {

      tests =

        let

          pkg = finalAttrs.finalPackage;

          dottedVersion = lib.replaceStrings [ "-" ] [ "." ] version;

          exportedProject = stdenvNoCC.mkDerivation {

            name = "${pkg.name}-project-export";

            nativeBuildInputs = [

              pkg

              autoPatchelfHook

            ];

            runtimeDependencies = map lib.getLib [

              alsa-lib

              libGL

              libpulseaudio

              libX11

              libXcursor

              libXext

              libXi

              libXrandr

              udev

              vulkan-loader

            ];

            unpackPhase = ''

              runHook preUnpack

              mkdir test

              cd test

              touch project.godot

              cat >create-scene.gd <<'EOF'

              extends SceneTree

              func _initialize():

                var node = Node.new()

                var script = ResourceLoader.load("res://test.gd")

                print(script)

                node.set_script(script)

                var scene = PackedScene.new()

                var scenePath = "res://test.tscn"

                scene.pack(node)

                var x = ResourceSaver.save(scene, scenePath)

                ProjectSettings["application/run/main_scene"] = scenePath

                ProjectSettings.save()

                node.free()

                quit()

              EOF

              cat >test.gd <<'EOF'

              extends Node

              func _ready():

                print("Hello, World!")

                get_tree().quit()

              EOF

              cat >export_presets.cfg <<'EOF'

              [preset.0]

              name="build"

              platform="Linux"

              runnable=true

              export_filter="all_resources"

              include_filter=""

              exclude_filter=""

              [preset.0.options]

              __empty=""

              EOF

              runHook postUnpack

            '';

            buildPhase = ''

              runHook preBuild

              export HOME=$(mktemp -d)

              mkdir -p $HOME/.local/share/godot/export_templates

              ln -s "${pkg.export-templates-bin}" "$HOME/.local/share/godot/export_templates/${dottedVersion}"

              godot --headless -s create-scene.gd

              runHook postBuild

            '';

            installPhase = ''

              runHook preInstall

              mkdir -p "$out"/bin

              godot --headless --export-release build "$out"/bin/test

              runHook postInstall

            '';

          };

        in

        {

          version = testers.testVersion {

          package = finalAttrs.finalPackage;

          version = lib.replaceStrings [ "-" ] [ "." ] version;

            package = pkg;

            version = dottedVersion;

          };

          project-runs = runCommand "${pkg.name}-project-runs" { } ''

            (

              set -eo pipefail

              HOME=$(mktemp -d)

              "${exportedProject}"/bin/test --headless | tail -n1 | (

                read output

                if [[ "$output" != "Hello, World!" ]]; then

                  echo "unexpected output: $output" >&2

                  exit 1

                fi

              )

              touch "$out"

            )

          '';

        };

    };