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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting tests build type to MinSizeRel as none was specified")
set(CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
"MinSizeRel" "RelWithDebInfo")
endif()
# Full set of test files (you can override these; see below)
set(PYBIND11_TEST_FILES
test_alias_initialization.cpp
test_buffers.cpp
test_callbacks.cpp
test_chrono.cpp
test_class_args.cpp
test_constants_and_functions.cpp
test_copy_move_policies.cpp
test_docstring_options.cpp
test_eigen.cpp
test_enum.cpp
test_eval.cpp
test_exceptions.cpp
test_inheritance.cpp
test_issues.cpp
test_keep_alive.cpp
test_kwargs_and_defaults.cpp
test_methods_and_attributes.cpp
test_modules.cpp
test_multiple_inheritance.cpp
test_numpy_array.cpp
test_numpy_dtypes.cpp
test_numpy_vectorize.cpp
test_opaque_types.cpp
test_operator_overloading.cpp
test_pickling.cpp
test_python_types.cpp
test_sequences_and_iterators.cpp
test_smart_ptr.cpp
test_stl_binders.cpp
test_virtual_functions.cpp
)
# Invoking cmake with something like:
# cmake -DPYBIND11_TEST_OVERRIDE="test_issues.cpp;test_picking.cpp" ..
# lets you override the tests that get compiled and run. You can restore to all tests with:
# cmake -DPYBIND11_TEST_OVERRIDE= ..
if (PYBIND11_TEST_OVERRIDE)
set(PYBIND11_TEST_FILES ${PYBIND11_TEST_OVERRIDE})
endif()
string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}")
# Check if Eigen is available; if not, remove from PYBIND11_TEST_FILES (but
# keep it in PYBIND11_PYTEST_FILES, so that we get the "eigen is not installed"
# skip message).
list(FIND PYBIND11_TEST_FILES test_eigen.cpp PYBIND11_TEST_FILES_EIGEN_I)
if(PYBIND11_TEST_FILES_EIGEN_I GREATER -1)
find_package(Eigen3 QUIET)
if(EIGEN3_FOUND)
message(STATUS "Building tests with Eigen v${EIGEN3_VERSION}")
else()
list(REMOVE_AT PYBIND11_TEST_FILES ${PYBIND11_TEST_FILES_EIGEN_I})
message(STATUS "Building tests WITHOUT Eigen")
endif()
endif()
# Create the binding library
pybind11_add_module(pybind11_tests pybind11_tests.cpp
${PYBIND11_TEST_FILES} ${PYBIND11_HEADERS})
pybind11_enable_warnings(pybind11_tests)
if(EIGEN3_FOUND)
target_include_directories(pybind11_tests PRIVATE ${EIGEN3_INCLUDE_DIR})
target_compile_definitions(pybind11_tests PRIVATE -DPYBIND11_TEST_EIGEN)
endif()
set(testdir ${PROJECT_SOURCE_DIR}/tests)
# Always write the output file directly into the 'tests' directory (even on MSVC)
if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
set_target_properties(pybind11_tests PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${testdir})
foreach(config ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${config} config)
set_target_properties(pybind11_tests PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${config} ${testdir})
endforeach()
endif()
# Make sure pytest is found or produce a fatal error
if(NOT PYBIND11_PYTEST_FOUND)
execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import pytest" OUTPUT_QUIET ERROR_QUIET
RESULT_VARIABLE PYBIND11_EXEC_PYTHON_ERR)
if(PYBIND11_EXEC_PYTHON_ERR)
message(FATAL_ERROR "Running the tests requires pytest. Please install it manually (try: ${PYTHON_EXECUTABLE} -m pip install pytest)")
endif()
set(PYBIND11_PYTEST_FOUND TRUE CACHE INTERNAL "")
endif()
# A single command to compile and run the tests
add_custom_target(pytest COMMAND ${PYTHON_EXECUTABLE} -m pytest -rws ${PYBIND11_PYTEST_FILES}
DEPENDS pybind11_tests WORKING_DIRECTORY ${testdir})
if(PYBIND11_TEST_OVERRIDE)
add_custom_command(TARGET pytest POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo "Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect")
endif()
# And another to show the .so size and, if a previous size, compare it:
add_custom_command(TARGET pybind11_tests POST_BUILD
COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/tools/libsize.py
$<TARGET_FILE:pybind11_tests> ${CMAKE_CURRENT_BINARY_DIR}/sosize-$<TARGET_FILE_NAME:pybind11_tests>.txt)
# Test CMake build using functions and targets from subdirectory or installed location
add_custom_target(test_cmake_build)
if(NOT CMAKE_VERSION VERSION_LESS 3.1)
# 3.0 needed for interface library for subdirectory_target/installed_target
# 3.1 needed for cmake -E env for testing
include(CMakeParseArguments)
function(pybind11_add_build_test name)
cmake_parse_arguments(ARG "INSTALL" "" "" ${ARGN})
set(build_options "-DCMAKE_PREFIX_PATH=${PROJECT_BINARY_DIR}/mock_install"
"-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
"-DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}"
"-DPYBIND11_CPP_STANDARD=${PYBIND11_CPP_STANDARD}")
if(NOT ARG_INSTALL)
list(APPEND build_options "-DPYBIND11_PROJECT_DIR=${PROJECT_SOURCE_DIR}")
endif()
add_custom_target(test_${name} ${CMAKE_CTEST_COMMAND}
--quiet --output-log test_cmake_build/${name}.log
--build-and-test "${CMAKE_CURRENT_SOURCE_DIR}/test_cmake_build/${name}"
"${CMAKE_CURRENT_BINARY_DIR}/test_cmake_build/${name}"
--build-config Release
--build-noclean
--build-generator ${CMAKE_GENERATOR}
$<$<BOOL:${CMAKE_GENERATOR_PLATFORM}>:--build-generator-platform> ${CMAKE_GENERATOR_PLATFORM}
--build-makeprogram ${CMAKE_MAKE_PROGRAM}
--build-target check
--build-options ${build_options}
)
if(ARG_INSTALL)
add_dependencies(test_${name} mock_install)
endif()
add_dependencies(test_cmake_build test_${name})
endfunction()
pybind11_add_build_test(subdirectory_function)
pybind11_add_build_test(subdirectory_target)
if(PYBIND11_INSTALL)
add_custom_target(mock_install ${CMAKE_COMMAND}
"-DCMAKE_INSTALL_PREFIX=${PROJECT_BINARY_DIR}/mock_install"
-P "${PROJECT_BINARY_DIR}/cmake_install.cmake"
)
pybind11_add_build_test(installed_function INSTALL)
pybind11_add_build_test(installed_target INSTALL)
endif()
endif()
# Run all the tests
add_custom_target(check DEPENDS pytest test_cmake_build)
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