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build: enhance Windows test setup by copying runtime DLLs post-build

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Natalia Portillo
2026-04-02 22:54:38 +01:00
parent 3718f88b53
commit e9fb0099ee
1 changed files with 40 additions and 2 deletions
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42
tests/CMakeLists.txt
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@@ -143,6 +143,39 @@ endif()
# Ensure test data is copied before running tests
add_dependencies(tests_run copy_test_data)
# On Windows, copy all runtime DLLs (aaruformat, gtest, ZLIB, etc.) next to the
# test executable so it can be discovered and run without PATH manipulation.
if(WIN32)
add_custom_command(TARGET tests_run POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
$<TARGET_FILE:aaruformat>
$<TARGET_FILE_DIR:tests_run>
COMMENT "Copying libaaruformat DLL next to tests_run"
)
add_custom_command(TARGET tests_run POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
$<TARGET_FILE:gtest>
$<TARGET_FILE_DIR:tests_run>
COMMENT "Copying libgtest DLL next to tests_run"
)
add_custom_command(TARGET tests_run POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
$<TARGET_FILE:gtest_main>
$<TARGET_FILE_DIR:tests_run>
COMMENT "Copying libgtest_main DLL next to tests_run"
)
# Copy all remaining runtime DLLs (e.g. ZLIB from vcpkg) if CMake >= 3.21
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.21")
add_custom_command(TARGET tests_run POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
$<TARGET_RUNTIME_DLLS:tests_run>
$<TARGET_FILE_DIR:tests_run>
COMMAND_EXPAND_LISTS
COMMENT "Copying remaining runtime DLLs next to tests_run"
)
endif()
endif()
# Integrate with CTest (per-test reporting)
enable_testing()
include(GoogleTest)
@@ -158,14 +191,19 @@ if(USE_ASAN)
set(ENV{ASAN_OPTIONS} "detect_leaks=0:print_stats=0")
endif()
# Discover tests - this runs with the ASAN_OPTIONS we just set
# Discover tests at ctest-run time (PRE_TEST) to avoid running the exe during the
# build phase where the ASAN runtime or DLLs may not yet be in PATH.
gtest_discover_tests(tests_run
DISCOVERY_TIMEOUT 30
DISCOVERY_MODE PRE_TEST
)
# Clear the environment variable so it doesn't affect the actual test runs
unset(ENV{ASAN_OPTIONS})
else()
gtest_discover_tests(tests_run)
# PRE_TEST defers discovery to ctest time, avoiding the 0xC0000135 DLL-not-found
# error that occurs when CMake tries to run tests_run.exe immediately after linking
# (before the POST_BUILD DLL-copy commands have finished, or when PATH lacks MinGW).
gtest_discover_tests(tests_run DISCOVERY_MODE PRE_TEST)
endif()