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