Merge branch 'google_test_fetch_content' into 'master'

Use FetchContent to get googletest

See merge request OpenMW/openmw!2240

CI/before_script.linux.sh

@@ -11,8 +11,6 @@ BUILD_UNITTESTS=OFF
 BUILD_BENCHMARKS=OFF
 
 if [[ "${BUILD_TESTS_ONLY}" ]]; then
-    export GOOGLETEST_DIR="${PWD}/googletest/build/install"
-    env GENERATOR='Unix Makefiles' CONFIGURATION=Release CI/build_googletest.sh
     BUILD_UNITTESTS=ON
     BUILD_BENCHMARKS=ON
 fi
@@ -99,8 +97,6 @@ if [[ "${BUILD_TESTS_ONLY}" ]]; then
         -DBUILD_NIFTEST=OFF \
         -DBUILD_UNITTESTS=${BUILD_UNITTESTS} \
         -DBUILD_BENCHMARKS=${BUILD_BENCHMARKS} \
-        -DGTEST_ROOT="${GOOGLETEST_DIR}" \
-        -DGMOCK_ROOT="${GOOGLETEST_DIR}" \
         ..
 else
     ${ANALYZE} cmake \

CI/before_script.msvc.sh

@@ -642,16 +642,6 @@ if [ -z $SKIP_DOWNLOAD ]; then
 		"https://gitlab.com/OpenMW/openmw-deps/-/raw/main/windows/LuaJIT-2.1.0-beta3-msvc${LUA_MSVC_YEAR}-win${BITS}.7z" \
 		"LuaJIT-2.1.0-beta3-msvc${LUA_MSVC_YEAR}-win${BITS}.7z"
 
-	# Google test and mock
-	if [ -n "$TEST_FRAMEWORK" ]; then
-		echo "Google test 1.11.0..."
-		if [ -d googletest ]; then
-			printf "  Google test exists, skipping."
-		else
-			git clone -b release-1.11.0 https://github.com/google/googletest.git
-		fi
-	fi
-
     # ICU
     download "ICU ${ICU_VER/_/.}"\
         "https://github.com/unicode-org/icu/releases/download/release-${ICU_VER/_/-}/icu4c-${ICU_VER}-Win${BITS}-MSVC2019.zip" \
@@ -1003,61 +993,6 @@ printf "LuaJIT 2.1.0-beta3... "
 	done
 	echo Done.
 }
-cd $DEPS
-echo
-# Google Test and Google Mock
-if [ -n "$TEST_FRAMEWORK" ]; then
-	printf "Google test 1.11.0 ..."
-
-	cd googletest
-	mkdir -p build${MSVC_DISPLAY_YEAR}
-
-	cd build${MSVC_DISPLAY_YEAR}
-
-	GOOGLE_INSTALL_ROOT="${DEPS_INSTALL}/GoogleTest"
-	
-	for CONFIGURATION in ${CONFIGURATIONS[@]}; do
-		# FindGMock.cmake mentions Release explicitly, but not RelWithDebInfo. Only one optimised library config can be used, so go for the safer one.
-		GTEST_CONFIG=$([ $CONFIGURATION == "RelWithDebInfo" ] && echo "Release" || echo "$CONFIGURATION" )
-		if [ $GTEST_CONFIG == "Debug" ]; then
-			DEBUG_SUFFIX="d"
-		else
-			DEBUG_SUFFIX=""
-		fi
-
-		if [ ! -f "$GOOGLE_INSTALL_ROOT/lib/gtest${DEBUG_SUFFIX}.lib" ]; then
-			# Always use MSBuild solution files as they don't need the environment activating
-			cmake .. -DCMAKE_USE_WIN32_THREADS_INIT=1 -G "Visual Studio $MSVC_REAL_VER $MSVC_DISPLAY_YEAR" "-A $([ $BITS -eq 64 ] && echo "x64" || echo "Win32")" -DBUILD_SHARED_LIBS=1
-			cmake --build . --config "${GTEST_CONFIG}"
-			cmake --install . --config "${GTEST_CONFIG}" --prefix "${GOOGLE_INSTALL_ROOT}"
-		fi
-
-		add_runtime_dlls $CONFIGURATION "${GOOGLE_INSTALL_ROOT}\bin\gtest_main${DEBUG_SUFFIX}.dll"
-		add_runtime_dlls $CONFIGURATION "${GOOGLE_INSTALL_ROOT}\bin\gtest${DEBUG_SUFFIX}.dll"
-		add_runtime_dlls $CONFIGURATION "${GOOGLE_INSTALL_ROOT}\bin\gmock_main${DEBUG_SUFFIX}.dll"
-		add_runtime_dlls $CONFIGURATION "${GOOGLE_INSTALL_ROOT}\bin\gmock${DEBUG_SUFFIX}.dll"
-	done
-
-	add_cmake_opts -DBUILD_UNITTESTS=yes
-	# FindGTest and FindGMock do not work perfectly on Windows
-	# but we can help them by telling them everything we know about installation
-	add_cmake_opts -DGMOCK_ROOT="$GOOGLE_INSTALL_ROOT"
-	add_cmake_opts -DGTEST_ROOT="$GOOGLE_INSTALL_ROOT"
-	add_cmake_opts -DGTEST_LIBRARY="$GOOGLE_INSTALL_ROOT/lib/gtest.lib"
-	add_cmake_opts -DGTEST_MAIN_LIBRARY="$GOOGLE_INSTALL_ROOT/lib/gtest_main.lib"
-	add_cmake_opts -DGMOCK_LIBRARY="$GOOGLE_INSTALL_ROOT/lib/gmock.lib"
-	add_cmake_opts -DGMOCK_MAIN_LIBRARY="$GOOGLE_INSTALL_ROOT/lib/gmock_main.lib"
-	add_cmake_opts -DGTEST_LIBRARY_DEBUG="$GOOGLE_INSTALL_ROOT/lib/gtestd.lib"
-	add_cmake_opts -DGTEST_MAIN_LIBRARY_DEBUG="$GOOGLE_INSTALL_ROOT/lib/gtest_maind.lib"
-	add_cmake_opts -DGMOCK_LIBRARY_DEBUG="$GOOGLE_INSTALL_ROOT/lib/gmockd.lib"
-	add_cmake_opts -DGMOCK_MAIN_LIBRARY_DEBUG="$GOOGLE_INSTALL_ROOT/lib/gmock_maind.lib"
-	add_cmake_opts -DGTEST_LINKED_AS_SHARED_LIBRARY=True
-	add_cmake_opts -DGTEST_LIBRARY_TYPE=SHARED
-	add_cmake_opts -DGTEST_MAIN_LIBRARY_TYPE=SHARED
-
-	echo Done.
-
-fi
 
 cd $DEPS
 echo
@@ -1176,6 +1111,10 @@ if [ "${BUILD_BENCHMARKS}" ]; then
 	add_cmake_opts -DBUILD_BENCHMARKS=ON
 fi
 
+if [ -n "${TEST_FRAMEWORK}" ]; then
+	add_cmake_opts -DBUILD_UNITTESTS=ON
+fi
+
 if [ -n "$ACTIVATE_MSVC" ]; then
 	echo -n "- Activating MSVC in the current shell... "
 	command -v vswhere >/dev/null 2>&1 || { echo "Error: vswhere is not on the path."; wrappedExit 1; }

CI/build_googletest.sh

@@ -1,17 +0,0 @@
-#!/bin/sh -ex
-
-git clone -b release-1.11.0 https://github.com/google/googletest.git
-cd googletest
-mkdir build
-cd build
-cmake \
-    -D CMAKE_C_COMPILER="${CC}" \
-    -D CMAKE_CXX_COMPILER="${CXX}" \
-    -D CMAKE_C_COMPILER_LAUNCHER=ccache \
-    -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
-    -D CMAKE_BUILD_TYPE="${CONFIGURATION}" \
-    -D CMAKE_INSTALL_PREFIX="${GOOGLETEST_DIR}" \
-    -G "${GENERATOR}" \
-    ..
-cmake --build . --config "${CONFIGURATION}" -- -j $(nproc)
-cmake --install . --config "${CONFIGURATION}"

CMakeLists.txt

@@ -163,6 +163,7 @@ option(RECASTNAVIGATION_STATIC "Build recastnavigation static libraries" ${_reca
 option(OPENMW_USE_SYSTEM_SQLITE3 "Use system provided SQLite3 library" ON)
 
 option(OPENMW_USE_SYSTEM_BENCHMARK "Use system Google Benchmark library." OFF)
+option(OPENMW_USE_SYSTEM_GOOGLETEST "Use system Google Test library." OFF)
 
 option(OPENMW_UNITY_BUILD "Use fewer compilation units to speed up compile time" FALSE)
 option(OPENMW_LTO_BUILD "Build OpenMW with Link-Time Optimization (Needs ~2GB of RAM)" OFF)

apps/openmw_test_suite/CMakeLists.txt

@@ -1,11 +1,12 @@
-find_package(GTest 1.10 REQUIRED)
+if (OPENMW_USE_SYSTEM_GOOGLETEST)
-find_package(GMock 1.10 REQUIRED)
+    find_package(GTest 1.10 REQUIRED)
+    find_package(GMock 1.10 REQUIRED)
+endif()
 
-if (GTEST_FOUND AND GMOCK_FOUND)
+include_directories(SYSTEM ${GTEST_INCLUDE_DIRS})
-    include_directories(SYSTEM ${GTEST_INCLUDE_DIRS})
+include_directories(SYSTEM ${GMOCK_INCLUDE_DIRS})
-    include_directories(SYSTEM ${GMOCK_INCLUDE_DIRS})
 
-    file(GLOB UNITTEST_SRC_FILES
+file(GLOB UNITTEST_SRC_FILES
     testing_util.hpp
 
     ../openmw/mwworld/store.cpp
@@ -83,34 +84,34 @@ if (GTEST_FOUND AND GMOCK_FOUND)
     fx/technique.cpp
 
     esm3/readerscache.cpp
-    )
+)
 
-    source_group(apps\\openmw_test_suite FILES openmw_test_suite.cpp ${UNITTEST_SRC_FILES})
+source_group(apps\\openmw_test_suite FILES openmw_test_suite.cpp ${UNITTEST_SRC_FILES})
 
-    openmw_add_executable(openmw_test_suite openmw_test_suite.cpp ${UNITTEST_SRC_FILES})
+openmw_add_executable(openmw_test_suite openmw_test_suite.cpp ${UNITTEST_SRC_FILES})
 
-    target_link_libraries(openmw_test_suite ${GMOCK_LIBRARIES} components)
+target_link_libraries(openmw_test_suite GTest::GTest GMock::GMock components)
-    # Fix for not visible pthreads functions for linker with glibc 2.15
+# Fix for not visible pthreads functions for linker with glibc 2.15
-    if (UNIX AND NOT APPLE)
+if (UNIX AND NOT APPLE)
     target_link_libraries(openmw_test_suite ${CMAKE_THREAD_LIBS_INIT})
-    endif()
+endif()
 
-    if (BUILD_WITH_CODE_COVERAGE)
+if (BUILD_WITH_CODE_COVERAGE)
     add_definitions(--coverage)
     target_link_libraries(openmw_test_suite gcov)
-    endif()
+endif()
 
-    file(DOWNLOAD
+file(DOWNLOAD
     https://gitlab.com/OpenMW/example-suite/-/raw/8966dab24692555eec720c854fb0f73d108070cd/data/template.omwgame
     ${CMAKE_CURRENT_BINARY_DIR}/data/template.omwgame
     EXPECTED_HASH SHA512=6e38642bcf013c5f496a9cb0bf3ec7c9553b6e86b836e7844824c5a05f556c9391167214469b6318401684b702d7569896bf743c85aee4198612b3315ba778d6
-    )
+)
 
-    target_compile_definitions(openmw_test_suite
+target_compile_definitions(openmw_test_suite
     PRIVATE OPENMW_DATA_DIR="${CMAKE_CURRENT_BINARY_DIR}/data"
             OPENMW_TEST_SUITE_SOURCE_DIR="${CMAKE_CURRENT_SOURCE_DIR}")
 
-    if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.16 AND MSVC)
+if (CMAKE_VERSION VERSION_GREATER_EQUAL 3.16 AND MSVC)
     target_precompile_headers(openmw_test_suite PRIVATE
         <boost/program_options/options_description.hpp>
 
@@ -126,5 +127,4 @@ if (GTEST_FOUND AND GMOCK_FOUND)
         <string>
         <vector>
     )
-    endif()
 endif()

extern/CMakeLists.txt

@@ -301,3 +301,21 @@ if (NOT OPENMW_USE_SYSTEM_ICU)
     endforeach()
     set(ICU_LIBRARIES ICU::i18n ICU::uc ICU::data PARENT_SCOPE)
 endif()
+
+if (BUILD_UNITTESTS AND NOT OPENMW_USE_SYSTEM_GOOGLETEST)
+    cmake_minimum_required(VERSION 3.11)
+
+    include(FetchContent)
+    FetchContent_Declare(googletest
+        URL https://github.com/google/googletest/archive/refs/tags/release-1.12.1.zip
+        URL_HASH SHA512=1479ea2f3172c622c0ca305f5b2bc45a42941221ec0ac7865e6d6d020ec4d008d952fc64e01a4c5138d7bed4148cf75596f25bb9e9044a98bbbf5662053ea11c
+        SOURCE_DIR fetched/googletest
+    )
+    if (MSVC)
+        set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+    endif()
+    FetchContent_MakeAvailableExcludeFromAll(googletest)
+
+    add_library(GTest::GTest ALIAS gtest)
+    add_library(GMock::GMock ALIAS gmock)
+endif()