blob: d3a0517927f9e17315973c731f8716a138a703ef [file] [log] [blame]
option(protobuf_USE_EXTERNAL_GTEST "Use external Google Test (i.e. not the one in third_party/googletest)" OFF)
option(protobuf_REMOVE_INSTALLED_HEADERS
"Remove local headers so that installed ones are used instead" OFF)
option(protobuf_ABSOLUTE_TEST_PLUGIN_PATH
"Using absolute test_plugin path in tests" ON)
mark_as_advanced(protobuf_ABSOLUTE_TEST_PLUGIN_PATH)
if (protobuf_USE_EXTERNAL_GTEST)
find_package(GTest REQUIRED)
else()
if (NOT EXISTS "${protobuf_SOURCE_DIR}/third_party/googletest/CMakeLists.txt")
message(FATAL_ERROR
"Cannot find third_party/googletest directory that's needed to "
"build tests. If you use git, make sure you have cloned submodules:\n"
" git submodule update --init --recursive\n"
"If instead you want to skip tests, run cmake with:\n"
" cmake -Dprotobuf_BUILD_TESTS=OFF\n")
endif()
set(googlemock_source_dir "${protobuf_SOURCE_DIR}/third_party/googletest/googlemock")
set(googletest_source_dir "${protobuf_SOURCE_DIR}/third_party/googletest/googletest")
include_directories(
${googlemock_source_dir}
${googletest_source_dir}
${googletest_source_dir}/include
${googlemock_source_dir}/include
)
add_library(gmock STATIC
"${googlemock_source_dir}/src/gmock-all.cc"
"${googletest_source_dir}/src/gtest-all.cc"
)
target_link_libraries(gmock ${CMAKE_THREAD_LIBS_INIT})
add_library(gmock_main STATIC "${googlemock_source_dir}/src/gmock_main.cc")
target_link_libraries(gmock_main gmock)
add_library(GTest::gmock ALIAS gmock)
add_library(GTest::gmock_main ALIAS gmock_main)
endif()
include(${protobuf_SOURCE_DIR}/src/file_lists.cmake)
set(lite_test_protos
${protobuf_lite_test_protos_files}
)
set(tests_protos
${protobuf_test_protos_files}
${compiler_test_protos_files}
${util_test_protos_files}
${lite_test_protos}
)
macro(compile_proto_file filename)
string(REPLACE .proto .pb.h pb_hdr ${filename})
string(REPLACE .proto .pb.cc pb_src ${filename})
add_custom_command(
OUTPUT ${pb_hdr} ${pb_src}
DEPENDS ${protobuf_PROTOC_EXE} ${filename}
COMMAND ${protobuf_PROTOC_EXE} ${filename}
--proto_path=${protobuf_SOURCE_DIR}/src
--cpp_out=${protobuf_SOURCE_DIR}/src
--experimental_allow_proto3_optional
)
endmacro(compile_proto_file)
set(lite_test_proto_files)
foreach(proto_file ${lite_test_protos})
compile_proto_file(${proto_file})
set(lite_test_proto_files ${lite_test_proto_files} ${pb_src} ${pb_hdr})
endforeach(proto_file)
set(tests_proto_files)
foreach(proto_file ${tests_protos})
compile_proto_file(${proto_file})
set(tests_proto_files ${tests_proto_files} ${pb_src} ${pb_hdr})
endforeach(proto_file)
set(common_test_files
${test_util_hdrs}
${lite_test_util_srcs}
${test_util_srcs}
${common_test_hdrs}
${common_test_srcs}
)
set(tests_files
${protobuf_test_files}
${compiler_test_files}
${annotation_test_util_srcs}
${io_test_files}
${util_test_files}
${stubs_test_files}
)
if(protobuf_ABSOLUTE_TEST_PLUGIN_PATH)
add_compile_options(-DGOOGLE_PROTOBUF_TEST_PLUGIN_PATH="$<TARGET_FILE:test_plugin>")
endif()
if(MINGW)
set_source_files_properties(${tests_files} PROPERTIES COMPILE_FLAGS "-Wno-narrowing")
# required for tests on MinGW Win64
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,16777216")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wa,-mbig-obj")
endif()
endif()
if(protobuf_TEST_XML_OUTDIR)
if(NOT "${protobuf_TEST_XML_OUTDIR}" MATCHES "[/\\]$")
string(APPEND protobuf_TEST_XML_OUTDIR "/")
endif()
set(protobuf_GTEST_ARGS "--gtest_output=xml:${protobuf_TEST_XML_OUTDIR}")
else()
set(protobuf_GTEST_ARGS)
endif()
add_executable(tests
${tests_files}
${common_test_files}
${tests_proto_files}
)
if (MSVC)
target_compile_options(tests PRIVATE
/wd4146 # unary minus operator applied to unsigned type, result still unsigned
)
endif()
target_link_libraries(tests
${protobuf_LIB_PROTOC}
${protobuf_LIB_PROTOBUF}
${protobuf_ABSL_USED_TARGETS}
GTest::gmock_main
)
set(test_plugin_files
${test_plugin_files}
${common_test_hdrs}
${common_test_srcs}
)
add_executable(test_plugin ${test_plugin_files})
target_include_directories(test_plugin PRIVATE ${ABSL_ROOT_DIR})
target_link_libraries(test_plugin
${protobuf_LIB_PROTOC}
${protobuf_LIB_PROTOBUF}
${protobuf_ABSL_USED_TARGETS}
GTest::gmock
)
add_executable(lite-test
${protobuf_lite_test_files}
${lite_test_util_srcs}
${lite_test_proto_files}
)
target_link_libraries(lite-test
${protobuf_LIB_PROTOBUF_LITE}
${protobuf_ABSL_USED_TARGETS}
GTest::gmock_main
)
add_test(NAME lite-test
COMMAND lite-test ${protobuf_GTEST_ARGS})
add_custom_target(check
COMMAND tests
DEPENDS tests lite-test test_plugin
WORKING_DIRECTORY ${protobuf_SOURCE_DIR})
add_test(NAME check
COMMAND tests ${protobuf_GTEST_ARGS})
# For test purposes, remove headers that should already be installed. This
# prevents accidental conflicts and also version skew (since local headers take
# precedence over installed headers).
add_custom_target(save-installed-headers)
add_custom_target(remove-installed-headers)
add_custom_target(restore-installed-headers)
file(GLOB_RECURSE _local_hdrs
"${PROJECT_SOURCE_DIR}/src/*.h"
"${PROJECT_SOURCE_DIR}/src/*.inc")
# Exclude the bootstrapping that are directly used by tests.
set(_exclude_hdrs
"${protobuf_SOURCE_DIR}/src/google/protobuf/descriptor.pb.h"
"${protobuf_SOURCE_DIR}/src/google/protobuf/compiler/plugin.pb.h")
# Exclude test library headers.
list(APPEND _exclude_hdrs ${test_util_hdrs} ${lite_test_util_hdrs} ${common_test_hdrs}
${compiler_test_utils_hdrs})
foreach(_hdr ${_exclude_hdrs})
list(REMOVE_ITEM _local_hdrs ${_hdr})
endforeach()
foreach(_hdr ${_local_hdrs})
string(REPLACE "${protobuf_SOURCE_DIR}/src" "" _file ${_hdr})
set(_tmp_file "${CMAKE_BINARY_DIR}/tmp-install-test/${_file}")
add_custom_command(TARGET remove-installed-headers PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E remove -f "${_hdr}")
add_custom_command(TARGET save-installed-headers PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E
copy "${_hdr}" "${_tmp_file}" || true)
add_custom_command(TARGET restore-installed-headers PRE_BUILD
COMMAND ${CMAKE_COMMAND} -E
copy "${_tmp_file}" "${_hdr}")
endforeach()
add_dependencies(remove-installed-headers save-installed-headers)
if(protobuf_REMOVE_INSTALLED_HEADERS)
# Make sure we remove all the headers *before* any codegen occurs.
add_dependencies(${protobuf_PROTOC_EXE} remove-installed-headers)
endif()