OrcaSlicer/tests/CMakeLists.txt

# Add individual tests as executables in separate directories at the bottom of this file

add_subdirectory(catch2)

# The top-level project defines _UNICODE globally, which makes Catch2's bundled
# main emit wmain instead of main. Test executables link with the default
# /SUBSYSTEM:CONSOLE entry point (mainCRTStartup, which calls main), so force
# Catch2 to emit main to keep the CRT entry point happy.
if(MSVC)
    target_compile_definitions(Catch2WithMain PRIVATE DO_NOT_USE_WMAIN)
endif()

set(TEST_DATA_DIR ${CMAKE_CURRENT_SOURCE_DIR}/data)
file(TO_NATIVE_PATH "${TEST_DATA_DIR}" TEST_DATA_DIR)

# Shipped vendor profiles, so tests can exercise the real machine/filament gcode.
set(PROFILES_DIR ${CMAKE_SOURCE_DIR}/resources/profiles)
file(TO_NATIVE_PATH "${PROFILES_DIR}" PROFILES_DIR)

include(CTest)
include(Catch)

set(CATCH_EXTRA_ARGS "" CACHE STRING "Extra arguments for catch2 test suites.") # Unknown if this still works and/or should be replaced with something else.

add_library(test_common INTERFACE)
target_compile_definitions(test_common INTERFACE TEST_DATA_DIR=R"\(${TEST_DATA_DIR}\)" PROFILES_DIR=R"\(${PROFILES_DIR}\)" CATCH_CONFIG_FAST_COMPILE)
target_include_directories(test_common INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})

if (APPLE)
    target_link_libraries(test_common INTERFACE "-liconv -framework IOKit" "-framework CoreFoundation" -lc++)
endif()

# Copies runtime shared libraries next to each test executable. Handles both
# single-config generators (CMAKE_BUILD_TYPE set) and multi-config generators
# (Ninja Multi-Config, Visual Studio) where CMAKE_BUILD_TYPE is empty and DLLs
# must land in every per-config output directory. On Windows the loader finds
# DLLs in the executable's directory; the Linux branch below does the same for
# the deps-built FFmpeg libraries and adds an $ORIGIN rpath, since the ELF
# loader does not search the executable's directory and the CI unit-test runner
# only receives the tests artifact (no deps install).
function(orcaslicer_copy_test_dlls)
    if (WIN32)
        set(_configs ${CMAKE_CONFIGURATION_TYPES})
        if (NOT _configs)
            set(_configs "${CMAKE_BUILD_TYPE}")
        endif()
        foreach(_cfg IN LISTS _configs)
            if (_cfg STREQUAL "Debug")
                orcaslicer_copy_dlls(COPY_DLLS "Debug" "d" _unused_dlls)
            else()
                orcaslicer_copy_dlls(COPY_DLLS "${_cfg}" "" _unused_dlls)
            endif()
        endforeach()
    elseif (UNIX AND NOT APPLE)
        # Only test executables that link libslic3r_gui pull in the FFmpeg
        # shared libraries (src/slic3r/CMakeLists.txt links PkgConfig::LIBAV
        # into it). Copy them next to the executable and give it an $ORIGIN
        # rpath so the loader finds them when the tests run on the CI unit-test
        # runner, which only receives this build/tests tree.
        get_target_property(_linked_libs ${_TEST_NAME}_tests LINK_LIBRARIES)
        if (NOT "libslic3r_gui" IN_LIST _linked_libs)
            return()
        endif()

        set_property(TARGET ${_TEST_NAME}_tests PROPERTY BUILD_RPATH "$ORIGIN")
        set(_configs ${CMAKE_CONFIGURATION_TYPES})
        if (NOT _configs)
            set(_configs "${CMAKE_BUILD_TYPE}")
        endif()
        foreach(_cfg IN LISTS _configs)
            orcaslicer_copy_sos(${_TEST_NAME}_tests "${_cfg}" "" _unused_sos)
        endforeach()
    endif()
endfunction()

# Register Catch2 tags as CTest labels so `ctest -L`/`-LE` can filter by tag.
function(orcaslicer_discover_tests TARGET)
    catch_discover_tests(${TARGET} ADD_TAGS_AS_LABELS)
endfunction()

# Stages a private Python runtime beside TARGET's output and (on macOS) links
# in the matching rpath, so an embedded pybind11 interpreter in TARGET can find
# libpython/the stdlib at runtime without depending on the build machine's
# Python install. Apply this to every test target that embeds an interpreter -
# duplicating the WIN32/APPLE blocks by hand lets them drift out of sync.
function(orcaslicer_stage_test_python_runtime TARGET)
    if (WIN32)
        add_custom_command(TARGET ${TARGET} POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E make_directory "$<TARGET_FILE_DIR:${TARGET}>/python"
            COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_PREFIX_PATH}/libpython" "$<TARGET_FILE_DIR:${TARGET}>/python"
            COMMAND ${CMAKE_COMMAND} -E copy_if_different
                "${CMAKE_PREFIX_PATH}/libpython/python${_bundled_python_abi}.dll"
                "${CMAKE_PREFIX_PATH}/libpython/vcruntime140.dll"
                "${CMAKE_PREFIX_PATH}/libpython/vcruntime140_1.dll"
                "$<TARGET_FILE_DIR:${TARGET}>"
            COMMENT "Copying Python runtime for ${TARGET}"
            VERBATIM
        )
    elseif (APPLE)
        target_link_options(${TARGET} PRIVATE
            "LINKER:-rpath,@executable_path/python/lib")

        add_custom_command(TARGET ${TARGET} POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E rm -rf
                "$<TARGET_FILE_DIR:${TARGET}>/python"
            COMMAND ${CMAKE_COMMAND} -E copy_directory
                "${CMAKE_PREFIX_PATH}/libpython"
                "$<TARGET_FILE_DIR:${TARGET}>/python"
            COMMENT "Copying Python runtime for ${TARGET}"
            VERBATIM
        )
    endif()
endfunction()

add_subdirectory(libnest2d)
add_subdirectory(libslic3r)
add_subdirectory(slic3rutils)
add_subdirectory(fff_print)
add_subdirectory(sla_print)
add_subdirectory(filament_group)