52 lines
1.6 KiB
CMake
52 lines
1.6 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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# Indirection for CatchShardTests that allows us to delay the script
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# file generation until build time.
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# Expected args:
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# * TEST_BINARY - full path to the test binary to run sharded
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# * CTEST_FILE - full path to ctest script file to write to
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# * TARGET_NAME - name of the target to shard (used for test names)
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# * SHARD_COUNT - number of shards to split the binary into
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# Optional args:
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# * REPORTER_SPEC - reporter specs to be passed down to the binary
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# * TEST_SPEC - test spec to pass down to the test binary
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if(NOT EXISTS "${TEST_BINARY}")
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message(FATAL_ERROR
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"Specified test binary '${TEST_BINARY}' does not exist"
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)
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endif()
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set(other_args "")
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if (TEST_SPEC)
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set(other_args "${other_args} ${TEST_SPEC}")
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endif()
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if (REPORTER_SPEC)
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set(other_args "${other_args} --reporter ${REPORTER_SPEC}")
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endif()
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# foreach RANGE in cmake is inclusive of the end, so we have to adjust it
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math(EXPR adjusted_shard_count "${SHARD_COUNT} - 1")
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file(WRITE "${CTEST_FILE}"
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"string(RANDOM LENGTH 8 ALPHABET \"0123456789abcdef\" rng_seed)\n"
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"\n"
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"foreach(shard_idx RANGE ${adjusted_shard_count})\n"
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" add_test(${TARGET_NAME}-shard-" [[${shard_idx}]] "/${adjusted_shard_count}\n"
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" ${TEST_BINARY}"
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" --shard-index " [[${shard_idx}]]
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" --shard-count ${SHARD_COUNT}"
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" --rng-seed " [[0x${rng_seed}]]
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" --order rand"
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"${other_args}"
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"\n"
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" )\n"
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"endforeach()\n"
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)
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