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Use multi-config compatible way to integrate googletest for unit testing

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This commit is contained in:
Axel Kohlmeyer
2021-09-11 04:46:13 -04:00
parent 0dd35bdb66
commit 84c945f7fb
10 changed files with 91 additions and 129 deletions
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51
unittest/CMakeLists.txt
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@ -1,4 +1,38 @@
include(GTest)
########################################
# CMake build for automated testing
# This file is part of LAMMPS
# Created by Axel Kohlmeyer and Richard Berger
########################################
# download and build googletest framework
message(STATUS "Downloading and building googletest framework")
set(GTEST_URL "https://github.com/google/googletest/archive/release-1.11.0.tar.gz" CACHE STRING "URL of googletest source")
set(GTEST_MD5 "e8a8df240b6938bb6384155d4c37d937" CACHE STRING "MD5 sum for googletest source")
mark_as_advanced(GTEST_URL)
mark_as_advanced(GTEST_MD5)
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
# workaround for older CMake versions (tested on Ubuntu 18.04 with CMake 3.10)
if(CMAKE_VERSION VERSION_LESS 3.14)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/_deps)
file(DOWNLOAD ${GTEST_URL} ${CMAKE_BINARY_DIR}/_deps/googletest.tar.gz EXPECTED_HASH MD5=${GTEST_MD5})
execute_process(COMMAND ${CMAKE_COMMAND} -E tar xzf ${CMAKE_BINARY_DIR}/_deps/googletest.tar.gz
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/_deps)
file(GLOB GTEST_SOURCE "${CMAKE_BINARY_DIR}/_deps/googletest-*")
# sanity check. do not allow to have multiple downloaded and extracted versions of the source
list(LENGTH GTEST_SOURCE _num)
if(_num GREATER 1)
message(FATAL_ERROR "Inconsistent googletest sources. Please delete ${CMAKE_BINARY_DIR}/_deps and re-run cmake")
endif()
add_subdirectory(${GTEST_SOURCE})
else()
include(FetchContent)
FetchContent_Declare(googletest URL ${GTEST_URL} URL_HASH MD5=${GTEST_MD5})
FetchContent_MakeAvailable(googletest)
endif()
########################################
# General tests using the LAMMPS executable itself
########################################
# check if we can run the compiled executable and whether it prints
# the LAMMPS version header in the output for an empty input
@ -26,6 +60,7 @@ set_tests_properties(InvalidFlag PROPERTIES
ENVIRONMENT "TSAN_OPTIONS=ignore_noninstrumented_modules=1"
PASS_REGULAR_EXPRESSION "ERROR: Invalid command-line argument.*")
# convenience function for adding tests requiring to be run in parallel with MPI
if(BUILD_MPI)
function(add_mpi_test)
set(MPI_TEST_NUM_PROCS 1)
@ -36,12 +71,18 @@ if(BUILD_MPI)
set(ARGS ${MPI_TEST_COMMAND})
add_test(NAME ${MPI_TEST_NAME}
WORKING_DIRECTORY ${MPI_TEST_WORKING_DIRECTORY}
COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPI_TEST_NUM_PROCS} ${MPIEXEC_PREFLAGS}
${EXECUTABLE} ${MPIEXEC_POSTFLAGS} ${ARGS}
)
COMMAND ${MPIEXEC_EXECUTABLE} ${MPIEXEC_NUMPROC_FLAG} ${MPI_TEST_NUM_PROCS}
${MPIEXEC_PREFLAGS} ${EXECUTABLE} ${MPIEXEC_POSTFLAGS} ${ARGS})
endfunction()
else()
function(add_mpi_test)
cmake_parse_arguments(MPI_TEST "" "NAME;NUM_PROCS;WORKING_DIRECTORY" "COMMAND" ${ARGN})
message(STATUS "Skipping test ${NAME} on non-MPI compilation")
endfunction()
endif()
# incorporate categories of specific tests from subdirectories
add_subdirectory(utils)
add_subdirectory(formats)
add_subdirectory(commands)
@ -52,6 +93,8 @@ add_subdirectory(python)
add_subdirectory(tools)
add_subdirectory(force-styles)
# clang-format support for test sources
find_package(ClangFormat 8.0)
if(ClangFormat_FOUND)