openscad-unstable: run tests

pkgs/by-name/op/openscad-unstable/package.nix

@@ -15,25 +15,27 @@
 , flex
 , fontconfig
 , freetype
+, ghostscript
 , glib
 , glm
 , gmp
 , harfbuzz
 , hidapi
 , lib3mf
-, libGL
 , libGLU
 , libICE
 , libSM
 , libsForQt5
 , libspnav
 , libzip
+, mesa
 , mpfr
 , python3
 , tbb_2021_8
 , wayland
 , wayland-protocols
 , wrapGAppsHook
+, xorg
 }:
 let
   # get cccl from source to avoid license issues
@@ -87,16 +89,17 @@ clangStdenv.mkDerivation rec {
     hash = "sha256-i2ZGYsNfMLDi3wRd/lohs9BuO2KuQ/7kJIXGtV65OQU=";
     fetchSubmodules = true;
   };
+  patches = [ ./test.diff ];
   nativeBuildInputs = [
-    pkg-config
-    cmake
-    ninja
+    (python3.withPackages (ps: with ps; [ numpy pillow ]))
     bison
+    cmake
     flex
-    python3
     libsForQt5.qt5.wrapQtAppsHook
     llvmPackages.bintools
     wrapGAppsHook
+    ninja
+    pkg-config
   ];
   buildInputs = with libsForQt5; with qt5; [
     # manifold dependencies
@@ -112,6 +115,7 @@ clangStdenv.mkDerivation rec {
     eigen
     fontconfig
     freetype
+    ghostscript
     glib
     gmp
     harfbuzz
@@ -124,7 +128,15 @@ clangStdenv.mkDerivation rec {
     qtbase
     qtmultimedia
   ]
-  ++ lib.optionals clangStdenv.isLinux [ libICE libSM libGLU libGL wayland wayland-protocols qtwayland ]
+  ++ lib.optionals clangStdenv.isLinux [
+    xorg.libXdmcp
+    libICE
+    libSM
+    wayland
+    wayland-protocols
+    qtwayland
+    libGLU
+  ]
   ++ lib.optional clangStdenv.isDarwin qtmacextras
   ;
   cmakeFlags = [
@@ -133,11 +145,18 @@ clangStdenv.mkDerivation rec {
     "-DUSE_BUILTIN_OPENCSG=ON" # bundled latest opencsg
     "-DOPENSCAD_VERSION=\"${builtins.replaceStrings ["-"] ["."] version}\""
     "-DCMAKE_UNITY_BUILD=ON" # faster build
-    "-DENABLE_TESTS=OFF" # tests do not work for now
     # IPO
     "-DCMAKE_EXE_LINKER_FLAGS=-fuse-ld=lld"
     "-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=ON"
   ];
+  doCheck = true;
+  checkPhase = ''
+    # for running mesa llvmpipe
+    export __EGL_VENDOR_LIBRARY_FILENAMES=${mesa.drivers}/share/glvnd/egl_vendor.d/50_mesa.json
+    export LIBGL_DRIVERS_PATH=${mesa.drivers}/lib:${mesa.drivers}/lib/dri
+    # some fontconfig issues cause pdf output to have wrong font
+    ctest -j$NIX_BUILD_CORES -E pdfexporttest.\*
+  '';
   meta = with lib; {
     description = "3D parametric model compiler (unstable)";
     longDescription = ''

pkgs/by-name/op/openscad-unstable/test.diff

@@ -0,0 +1,42 @@
+diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
+index 5c1b40af4..917451dee 100644
+--- a/tests/CMakeLists.txt
++++ b/tests/CMakeLists.txt
+@@ -59,13 +59,14 @@ if(USE_IMAGE_COMPARE_PY)
+ 
+   # Since msys2 on Windows prefers bin/ over Scripts, we need to look for the actual folder to determine
+   # how to utilize the venv
+-  find_path(VENV_BIN_PATH activate PATHS "${VENV_DIR}/bin" "${VENV_DIR}/Scripts" NO_DEFAULT_PATH NO_CACHE)
+-  if(WIN32)
+-    set(IMAGE_COMPARE_EXE "${VENV_BIN_PATH}/python.exe")
+-  else()
+-    set(IMAGE_COMPARE_EXE "${VENV_BIN_PATH}/python")
+-  endif()
+-  if(EXISTS "${IMAGE_COMPARE_EXE}")
++  # find_path(VENV_BIN_PATH activate PATHS "${VENV_DIR}/bin" "${VENV_DIR}/Scripts" NO_DEFAULT_PATH NO_CACHE)
++  # if(WIN32)
++  #   set(IMAGE_COMPARE_EXE "${VENV_BIN_PATH}/python.exe")
++  # else()
++  #   set(IMAGE_COMPARE_EXE "${VENV_BIN_PATH}/python")
++  # endif()
++  set(IMAGE_COMPARE_EXE "python3")
++  # if(EXISTS "${IMAGE_COMPARE_EXE}")
+     message(STATUS "venv found, testing libraries")
+     execute_process(
+       COMMAND "${IMAGE_COMPARE_EXE}" "${CCSD}/image_compare.py" "--status"
+@@ -77,10 +78,10 @@ if(USE_IMAGE_COMPARE_PY)
+       message(STATUS "venv libraries complete")
+       set(BUILD_VENV FALSE)
+     endif()
+-  else()
+-    message(STATUS "venv not found")
+-    set(BUILD_VENV TRUE)
+-  endif()
++  # else()
++  #   message(STATUS "venv not found")
++  #   set(BUILD_VENV TRUE)
++  # endif()
+   if(BUILD_VENV)
+     message(STATUS "Setting up testing venv for image comparison")
+     execute_process(
+