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|
# Copyright Catch2 Authors
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.txt or copy at
# https://www.boost.org/LICENSE_1_0.txt)
# SPDX-License-Identifier: BSL-1.0
# Supported optional args:
# * SHARD_COUNT - number of shards to split target's tests into
# * REPORTER - reporter spec to use for tests
# * TEST_SPEC - test spec used for filtering tests
function(catch_add_sharded_tests TARGET)
if (${CMAKE_VERSION} VERSION_LESS "3.10.0")
message(FATAL_ERROR "add_sharded_catch_tests only supports CMake versions 3.10.0 and up")
endif()
cmake_parse_arguments(
""
""
"SHARD_COUNT;REPORTER;TEST_SPEC"
""
${ARGN}
)
if (NOT DEFINED _SHARD_COUNT)
set(_SHARD_COUNT 2)
endif()
# Generate a unique name based on the extra arguments
string(SHA1 args_hash "${_TEST_SPEC} ${_EXTRA_ARGS} ${_REPORTER} ${_OUTPUT_DIR} ${_OUTPUT_PREFIX} ${_OUTPUT_SUFFIX} ${_SHARD_COUNT}")
string(SUBSTRING ${args_hash} 0 7 args_hash)
set(ctest_include_file "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}-sharded-tests-include-${args_hash}.cmake")
set(ctest_tests_file "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}-sharded-tests-impl-${args_hash}.cmake")
file(WRITE "${ctest_include_file}"
"if(EXISTS \"${ctest_tests_file}\")\n"
" include(\"${ctest_tests_file}\")\n"
"else()\n"
" add_test(${TARGET}_NOT_BUILT-${args_hash} ${TARGET}_NOT_BUILT-${args_hash})\n"
"endif()\n"
)
set_property(DIRECTORY
APPEND PROPERTY TEST_INCLUDE_FILES "${ctest_include_file}"
)
set(shard_impl_script_file "${_CATCH_DISCOVER_SHARD_TESTS_IMPL_SCRIPT}")
add_custom_command(
TARGET ${TARGET} POST_BUILD
BYPRODUCTS "${ctest_tests_file}"
COMMAND "${CMAKE_COMMAND}"
-D "TARGET_NAME=${TARGET}"
-D "TEST_BINARY=$<TARGET_FILE:${TARGET}>"
-D "CTEST_FILE=${ctest_tests_file}"
-D "SHARD_COUNT=${_SHARD_COUNT}"
-D "REPORTER_SPEC=${_REPORTER}"
-D "TEST_SPEC=${_TEST_SPEC}"
-P "${shard_impl_script_file}"
VERBATIM
)
endfunction()
###############################################################################
set(_CATCH_DISCOVER_SHARD_TESTS_IMPL_SCRIPT
${CMAKE_CURRENT_LIST_DIR}/CatchShardTestsImpl.cmake
CACHE INTERNAL "Catch2 full path to CatchShardTestsImpl.cmake helper file"
)
|
