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cmake: allow running the tests in parallel like in the Makefile (#102)
Allow running tests in parallel by default by setting the CTEST_PARALLEL_LEVEL environment variable. The functionality is added using a CMake script in order to determine options when running the tests (rather than when configuring CMake) in compatibility with the Makefile (in particular -- the `J` and `TEST_TMPDIR` environment variables). While at it, add a test timeout parameter in order to kill stuck tests, and set the default timeout to 10 minutes (we don't currently have tests that are running longer than that). Test Plan: run the check target using different generators (ninja, make) to see the improvement in test runtime.
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| Original file line number | Diff line number | Diff line change |
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| # Copyright (C) 2022 Speedb Ltd. All rights reserved. | ||
| # | ||
| # Licensed under the Apache License, Version 2.0 (the "License"); | ||
| # you may not use this file except in compliance with the License. | ||
| # You may obtain a copy of the License at | ||
| # | ||
| # http://www.apache.org/licenses/LICENSE-2.0 | ||
| # | ||
| # Unless required by applicable law or agreed to in writing, software | ||
| # distributed under the License is distributed on an "AS IS" BASIS, | ||
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| # See the License for the specific language governing permissions and | ||
| # limitations under the License. | ||
|
|
||
| # 3.12 is needed for FindPython | ||
| cmake_minimum_required(VERSION 3.12) | ||
|
|
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| # Choose the amount of tests to run in parallel if CTEST_PARALLEL_LEVEL wasn't set | ||
| if(NOT DEFINED ENV{CTEST_PARALLEL_LEVEL}) | ||
| # Compatibility with the Makefile: support the `J` environment variable | ||
| if(DEFINED ENV{J} AND "$ENV{J}" GREATER 0) | ||
| set(ENV{CTEST_PARALLEL_LEVEL} "$ENV{J}") | ||
| else() | ||
| include(ProcessorCount) | ||
| ProcessorCount(NCPU) | ||
| if(NOT NCPU EQUAL 0) | ||
| set(ENV{CTEST_PARALLEL_LEVEL} ${NCPU}) | ||
| endif() | ||
| endif() | ||
| endif() | ||
|
|
||
| # For Makefile compatibility try the following sequence if TEST_TMPDIR isn't set: | ||
| # * Use TMPD if set | ||
| # * Find a suitable base directory and create a temporary directory under it: | ||
| # * /dev/shm on Linux if exists and has the sticky bit set | ||
| # * TMPDIR if set and exists | ||
| # * On Windows use TMP is set and exists | ||
| # * On Windows use TEMP is set and exists | ||
| # * /tmp if exists | ||
| if(NOT DEFINED ENV{TEST_TMPDIR}) | ||
| # Use TMPD if set | ||
| if(DEFINED ENV{TMPD}) | ||
| set(test_dir "$ENV{TMPD}") | ||
| else() | ||
| # On Linux, use /dev/shm if the sticky bit is set | ||
| if("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Linux" AND IS_DIRECTORY "/dev/shm") | ||
| execute_process(COMMAND test -k /dev/shm RESULT_VARIABLE status OUTPUT_QUIET ERROR_QUIET) | ||
| if(status EQUAL 0) | ||
| set(test_dir "/dev/shm") | ||
| endif() | ||
| endif() | ||
| # Use TMPDIR as base if set | ||
| if(NOT DEFINED test_dir AND IS_DIRECTORY "$ENV{TMPDIR}") | ||
| set(test_dir "$ENV{TMPDIR}") | ||
| elseif("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows") | ||
| # Use TMP or TEMP as base if set | ||
| # See https://devblogs.microsoft.com/oldnewthing/20150417-00/?p=44213 | ||
| if(IS_DIRECTORY "$ENV{TMP}") | ||
| set(test_dir "$ENV{TMP}") | ||
| elseif(IS_DIRECTORY "$ENV{TEMP}") | ||
| set(test_dir "$ENV{TEMP}") | ||
| endif() | ||
| endif() | ||
| # Fall back to /tmp if exists | ||
| if(NOT DEFINED test_dir AND IS_DIRECTORY "/tmp") | ||
| set(test_dir "/tmp") | ||
| endif() | ||
| # Create a temporary directory under the base path that we determined | ||
| if(DEFINED test_dir) | ||
| include(FindPython) | ||
| find_package(Python COMPONENTS Interpreter) | ||
| # Try using Python for more portability when creating the temporary | ||
| # sub-directory, but don't depend on it | ||
| if(Python_Interpreter_FOUND) | ||
| execute_process( | ||
| COMMAND "${CMAKE_COMMAND}" -E env "test_dir=${test_dir}" | ||
| "${Python_EXECUTABLE}" -c "import os, tempfile; print(tempfile.mkdtemp(prefix='rocksdb.', dir=os.environ['test_dir']))" | ||
| RESULT_VARIABLE status OUTPUT_VARIABLE tmpdir | ||
| OUTPUT_STRIP_TRAILING_WHITESPACE) | ||
| if (NOT status EQUAL 0) | ||
| message(FATAL_ERROR "Python mkdtemp failed") | ||
| endif() | ||
| set(test_dir "${tmpdir}") | ||
| elseif(NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows") | ||
| execute_process( | ||
| COMMAND mktemp -d "${test_dir}/rocksdb.XXXXXX" | ||
| RESULT_VARIABLE status OUTPUT_VARIABLE tmpdir | ||
| OUTPUT_STRIP_TRAILING_WHITESPACE) | ||
| if (NOT status EQUAL 0) | ||
| message(FATAL_ERROR "mkdtemp failed") | ||
| endif() | ||
| set(test_dir "${tmpdir}") | ||
| endif() | ||
| endif() | ||
| endif() | ||
| if(DEFINED test_dir) | ||
| set(ENV{TEST_TMPDIR} "${test_dir}") | ||
| endif() | ||
| endif() | ||
|
|
||
| if(DEFINED ENV{TEST_TMPDIR}) | ||
| message(STATUS "Running $ENV{CTEST_PARALLEL_LEVEL} tests in parallel in $ENV{TEST_TMPDIR}") | ||
| endif() | ||
|
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||
| # Use a timeout of 10 minutes per test by default | ||
| if(DEFINED ENV{TEST_TIMEOUT}) | ||
| set(test_timeout "$ENV{TEST_TIMEOUT}") | ||
| else() | ||
| set(test_timeout 600) | ||
| endif() | ||
|
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| # Run all tests, and show test output on failure | ||
| execute_process(COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure --timeout ${test_timeout}) |