pybind11/tests/CMakeLists.txt

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Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# CMakeLists.txt -- Build system for the pybind11 test suite
#
# Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch>
#
# All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
cmake_minimum_required(VERSION 3.4)
# The `cmake_minimum_required(VERSION 3.4...3.18)` syntax does not work with
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# some versions of VS that have a patched CMake 3.11. This forces us to emulate
# the behavior using the following workaround:
if(${CMAKE_VERSION} VERSION_LESS 3.18)
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cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
else()
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cmake_policy(VERSION 3.18)
endif()
# Only needed for CMake < 3.5 support
include(CMakeParseArguments)
# Filter out items; print an optional message if any items filtered
#
# Usage:
# pybind11_filter_tests(LISTNAME file1.cpp file2.cpp ... MESSAGE "")
#
macro(PYBIND11_FILTER_TESTS LISTNAME)
cmake_parse_arguments(ARG "" "MESSAGE" "" ${ARGN})
set(PYBIND11_FILTER_TESTS_FOUND OFF)
foreach(filename IN LISTS ARG_UNPARSED_ARGUMENTS)
list(FIND ${LISTNAME} ${filename} _FILE_FOUND)
if(_FILE_FOUND GREATER -1)
list(REMOVE_AT ${LISTNAME} ${_FILE_FOUND})
set(PYBIND11_FILTER_TESTS_FOUND ON)
endif()
endforeach()
if(PYBIND11_FILTER_TESTS_FOUND AND ARG_MESSAGE)
message(STATUS "${ARG_MESSAGE}")
endif()
endmacro()
# New Python support
if(DEFINED Python_EXECUTABLE)
set(PYTHON_EXECUTABLE "${Python_EXECUTABLE}")
set(PYTHON_VERSION "${Python_VERSION}")
endif()
# There's no harm in including a project in a project
project(pybind11_tests CXX)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# Access FindCatch and more
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../tools")
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option(PYBIND11_WERROR "Report all warnings as errors" OFF)
option(DOWNLOAD_EIGEN "Download EIGEN (requires CMake 3.11+)" OFF)
option(PYBIND11_CUDA_TESTS "Enable building CUDA tests (requires CMake 3.12+)" OFF)
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set(PYBIND11_TEST_OVERRIDE
""
CACHE STRING "Tests from ;-separated list of *.cpp files will be built instead of all tests")
set(PYBIND11_TEST_FILTER
""
CACHE STRING "Tests from ;-separated list of *.cpp files will be removed from all tests")
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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# We're being loaded directly, i.e. not via add_subdirectory, so make this
# work as its own project and load the pybind11Config to get the tools we need
find_package(pybind11 REQUIRED CONFIG)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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endif()
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting tests build type to MinSizeRel as none was specified")
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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()
if(PYBIND11_CUDA_TESTS)
enable_language(CUDA)
if(DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CUDA_STANDARD ${CMAKE_CXX_STANDARD})
endif()
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
endif()
# Full set of test files (you can override these; see below)
set(PYBIND11_TEST_FILES
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test_async.cpp
test_buffers.cpp
test_builtin_casters.cpp
test_call_policies.cpp
test_callbacks.cpp
test_chrono.cpp
test_class.cpp
test_constants_and_functions.cpp
test_copy_move.cpp
test_custom_type_casters.cpp
test_docstring_options.cpp
test_eigen.cpp
test_enum.cpp
test_eval.cpp
test_exceptions.cpp
test_factory_constructors.cpp
test_gil_scoped.cpp
test_iostream.cpp
test_kwargs_and_defaults.cpp
test_local_bindings.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_pytypes.cpp
test_sequences_and_iterators.cpp
test_smart_ptr.cpp
test_stl.cpp
test_stl_binders.cpp
test_tagbased_polymorphic.cpp
test_union.cpp
test_virtual_functions.cpp)
# Invoking cmake with something like:
# cmake -DPYBIND11_TEST_OVERRIDE="test_callbacks.cpp;test_pickling.cpp" ..
# lets you override the tests that get compiled and run. You can restore to all tests with:
# cmake -DPYBIND11_TEST_OVERRIDE= ..
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if(PYBIND11_TEST_OVERRIDE)
set(PYBIND11_TEST_FILES ${PYBIND11_TEST_OVERRIDE})
endif()
# You can also filter tests:
if(PYBIND11_TEST_FILTER)
pybind11_filter_tests(PYBIND11_TEST_FILES ${PYBIND11_TEST_FILTER})
endif()
if(PYTHON_VERSION VERSION_LESS 3.5)
pybind11_filter_tests(PYBIND11_TEST_FILES test_async.cpp MESSAGE
"Skipping test_async on Python 2")
endif()
# Skip tests for CUDA check:
# /pybind11/tests/test_constants_and_functions.cpp(125):
# error: incompatible exception specifications
if(PYBIND11_CUDA_TESTS)
pybind11_filter_tests(
PYBIND11_TEST_FILES test_constants_and_functions.cpp MESSAGE
"Skipping test_constants_and_functions due to incompatible exception specifications")
endif()
string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}")
# Contains the set of test files that require pybind11_cross_module_tests to be
# built; if none of these are built (i.e. because TEST_OVERRIDE is used and
# doesn't include them) the second module doesn't get built.
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set(PYBIND11_CROSS_MODULE_TESTS test_exceptions.py test_local_bindings.py test_stl.py
test_stl_binders.py)
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set(PYBIND11_CROSS_MODULE_GIL_TESTS test_gil_scoped.py)
# 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)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# Try loading via newer Eigen's Eigen3Config first (bypassing tools/FindEigen3.cmake).
# Eigen 3.3.1+ exports a cmake 3.0+ target for handling dependency requirements, but also
# produces a fatal error if loaded from a pre-3.0 cmake.
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if(DOWNLOAD_EIGEN)
if(CMAKE_VERSION VERSION_LESS 3.11)
message(FATAL_ERROR "CMake 3.11+ required when using DOWNLOAD_EIGEN")
endif()
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set(EIGEN3_VERSION_STRING "3.3.8")
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include(FetchContent)
FetchContent_Declare(
eigen
GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
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GIT_TAG ${EIGEN3_VERSION_STRING})
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FetchContent_GetProperties(eigen)
if(NOT eigen_POPULATED)
message(STATUS "Downloading Eigen")
FetchContent_Populate(eigen)
endif()
set(EIGEN3_INCLUDE_DIR ${eigen_SOURCE_DIR})
set(EIGEN3_FOUND TRUE)
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else()
find_package(Eigen3 3.2.7 QUIET CONFIG)
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if(NOT EIGEN3_FOUND)
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# Couldn't load via target, so fall back to allowing module mode finding, which will pick up
# tools/FindEigen3.cmake
find_package(Eigen3 3.2.7 QUIET)
endif()
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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endif()
if(EIGEN3_FOUND)
if(NOT TARGET Eigen3::Eigen)
add_library(Eigen3::Eigen IMPORTED INTERFACE)
set_property(TARGET Eigen3::Eigen PROPERTY INTERFACE_INCLUDE_DIRECTORIES
"${EIGEN3_INCLUDE_DIR}")
endif()
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# Eigen 3.3.1+ cmake sets EIGEN3_VERSION_STRING (and hard codes the version when installed
# rather than looking it up in the cmake script); older versions, and the
# tools/FindEigen3.cmake, set EIGEN3_VERSION instead.
if(NOT EIGEN3_VERSION AND EIGEN3_VERSION_STRING)
set(EIGEN3_VERSION ${EIGEN3_VERSION_STRING})
endif()
message(STATUS "Building tests with Eigen v${EIGEN3_VERSION}")
else()
list(REMOVE_AT PYBIND11_TEST_FILES ${PYBIND11_TEST_FILES_EIGEN_I})
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message(STATUS "Building tests WITHOUT Eigen, use -DDOWNLOAD_EIGEN on CMake 3.11+ to download")
endif()
endif()
# Optional dependency for some tests (boost::variant is only supported with version >= 1.56)
find_package(Boost 1.56)
if(Boost_FOUND)
if(NOT TARGET Boost::headers)
if(TARGET Boost::boost)
# Classic FindBoost
add_library(Boost::headers ALIAS Boost::boost)
else()
# Very old FindBoost, or newer Boost than CMake in older CMakes
add_library(Boost::headers IMPORTED INTERFACE)
set_property(TARGET Boost::headers PROPERTY INTERFACE_INCLUDE_DIRECTORIES
${Boost_INCLUDE_DIRS})
endif()
endif()
endif()
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# Compile with compiler warnings turned on
function(pybind11_enable_warnings target_name)
if(MSVC)
target_compile_options(${target_name} PRIVATE /W4)
elseif(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Intel|Clang)" AND NOT PYBIND11_CUDA_TESTS)
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target_compile_options(${target_name} PRIVATE -Wall -Wextra -Wconversion -Wcast-qual
-Wdeprecated -Wundef)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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endif()
if(PYBIND11_WERROR)
if(MSVC)
target_compile_options(${target_name} PRIVATE /WX)
elseif(PYBIND11_CUDA_TESTS)
target_compile_options(${target_name} PRIVATE "SHELL:-Werror all-warnings")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "(GNU|Intel|Clang)")
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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target_compile_options(${target_name} PRIVATE -Werror)
endif()
endif()
# Needs to be readded since the ordering requires these to be after the ones above
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if(CMAKE_CXX_STANDARD
AND CMAKE_CXX_COMPILER_ID MATCHES "Clang"
AND PYTHON_VERSION VERSION_LESS 3.0)
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if(CMAKE_CXX_STANDARD LESS 17)
target_compile_options(${target_name} PUBLIC -Wno-deprecated-register)
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else()
target_compile_options(${target_name} PUBLIC -Wno-register)
endif()
endif()
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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endfunction()
set(test_targets pybind11_tests)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# Build pybind11_cross_module_tests if any test_whatever.py are being built that require it
foreach(t ${PYBIND11_CROSS_MODULE_TESTS})
list(FIND PYBIND11_PYTEST_FILES ${t} i)
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if(i GREATER -1)
list(APPEND test_targets pybind11_cross_module_tests)
break()
endif()
endforeach()
foreach(t ${PYBIND11_CROSS_MODULE_GIL_TESTS})
list(FIND PYBIND11_PYTEST_FILES ${t} i)
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if(i GREATER -1)
list(APPEND test_targets cross_module_gil_utils)
break()
endif()
endforeach()
# Support CUDA testing by forcing the target file to compile with NVCC
if(PYBIND11_CUDA_TESTS)
set_property(SOURCE ${PYBIND11_TEST_FILES} PROPERTY LANGUAGE CUDA)
endif()
foreach(target ${test_targets})
set(test_files ${PYBIND11_TEST_FILES})
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if(NOT "${target}" STREQUAL "pybind11_tests")
set(test_files "")
endif()
# Support CUDA testing by forcing the target file to compile with NVCC
if(PYBIND11_CUDA_TESTS)
set_property(SOURCE ${target}.cpp PROPERTY LANGUAGE CUDA)
endif()
# Create the binding library
pybind11_add_module(${target} THIN_LTO ${target}.cpp ${test_files} ${PYBIND11_HEADERS})
pybind11_enable_warnings(${target})
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
get_property(
suffix
TARGET ${target}
PROPERTY SUFFIX)
set(source_output "${CMAKE_CURRENT_SOURCE_DIR}/${target}${suffix}")
if(suffix AND EXISTS "${source_output}")
message(WARNING "Output file also in source directory; "
"please remove to avoid confusion: ${source_output}")
endif()
endif()
if(MSVC)
target_compile_options(${target} PRIVATE /utf-8)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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endif()
if(EIGEN3_FOUND)
target_link_libraries(${target} PRIVATE Eigen3::Eigen)
target_compile_definitions(${target} PRIVATE -DPYBIND11_TEST_EIGEN)
endif()
if(Boost_FOUND)
target_link_libraries(${target} PRIVATE Boost::headers)
target_compile_definitions(${target} PRIVATE -DPYBIND11_TEST_BOOST)
endif()
# Always write the output file directly into the 'tests' directory (even on MSVC)
if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY
"${CMAKE_CURRENT_BINARY_DIR}")
foreach(config ${CMAKE_CONFIGURATION_TYPES})
string(TOUPPER ${config} config)
set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${config}
"${CMAKE_CURRENT_BINARY_DIR}")
endforeach()
endif()
endforeach()
# Make sure pytest is found or produce a warning
pybind11_find_import(pytest VERSION 3.1)
if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
# This is not used later in the build, so it's okay to regenerate each time.
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/pytest.ini" "${CMAKE_CURRENT_BINARY_DIR}/pytest.ini"
COPYONLY)
file(APPEND "${CMAKE_CURRENT_BINARY_DIR}/pytest.ini"
"\ntestpaths = \"${CMAKE_CURRENT_SOURCE_DIR}\"")
endif()
# cmake 3.12 added list(transform <list> prepend
# but we can't use it yet
string(REPLACE "test_" "${CMAKE_CURRENT_SOURCE_DIR}/test_" PYBIND11_ABS_PYTEST_FILES
"${PYBIND11_PYTEST_FILES}")
# A single command to compile and run the tests
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add_custom_target(
pytest
COMMAND ${PYTHON_EXECUTABLE} -m pytest ${PYBIND11_ABS_PYTEST_FILES}
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DEPENDS ${test_targets}
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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USES_TERMINAL)
if(PYBIND11_TEST_OVERRIDE)
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add_custom_command(
TARGET pytest
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo
"Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect")
endif()
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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# Add a check target to run all the tests, starting with pytest (we add dependencies to this below)
add_custom_target(check DEPENDS pytest)
# The remaining tests only apply when being built as part of the pybind11 project, but not if the
# tests are being built independently.
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
Independent tests (#665) * Make tests buildable independently This makes "tests" buildable as a separate project that uses find_package(pybind11 CONFIG) when invoked independently. This also moves the WERROR option into tests/CMakeLists.txt, as that's the only place it is used. * Use Eigen 3.3.1's cmake target, if available This changes the eigen finding code to attempt to use Eigen's system-installed Eigen3Config first. In Eigen 3.3.1, it exports a cmake Eigen3::Eigen target to get dependencies from (rather than setting the include path directly). If it fails, we fall back to the trying to load allowing modules (i.e. allowing our tools/FindEigen3.cmake). If we either fallback, or the eigen version is older than 3.3.1 (or , we still set the include directory manually; otherwise, for CONFIG + new Eigen, we get it via the target. This is also needed to allow 'tests' to be built independently, when the find_package(Eigen3) is going to find via the system-installed Eigen3Config.cmake. * Add a install-then-build test, using clang on linux This tests that `make install` to the actual system, followed by a build of the tests (without the main pybind11 repository available) works as expected. To also expand the testing variety a bit, it also builds using clang-3.9 instead of gcc. * Don't try loading Eigen3Config in cmake < 3.0 It could FATAL_ERROR as the newer cmake includes a cmake 3.0 required line. If doing an independent, out-of-tree "tests" build, the regular find_package(Eigen3) is likely to fail with the same error, but I think we can just let that be: if you want a recent Eigen with proper cmake loading support *and* want to do an independent tests build, you'll need at least cmake 3.0.
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return()
endif()
# Add a post-build comment to show the primary test suite .so size and, if a previous size, compare it:
add_custom_command(
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TARGET pybind11_tests
POST_BUILD
COMMAND
${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../tools/libsize.py
$<TARGET_FILE:pybind11_tests>
${CMAKE_CURRENT_BINARY_DIR}/sosize-$<TARGET_FILE_NAME:pybind11_tests>.txt)
if(NOT PYBIND11_CUDA_TESTS)
# Test embedding the interpreter. Provides the `cpptest` target.
add_subdirectory(test_embed)
# Test CMake build using functions and targets from subdirectory or installed location
add_subdirectory(test_cmake_build)
endif()