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Support Bazel's TEST_PREMATURE_EXIT_FILE and add it to CLI as well

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This tells Catch2 to create an empty file at specified path before
the tests start, and delete it after the tests finish. This allows
callers to catch cases where the test binary silently exits before
finishing (e.g. via call to `exit(0)` inside the code under test),
by looking whether the file still exists.

Closes #3020
This commit is contained in:
Martin Hořeňovský
2025-09-21 11:19:18 +02:00
parent dc3a4ea41a
commit 8ed8c431c6
9 changed files with 250 additions and 1 deletions
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44
tests/ExtraTests/CMakeLists.txt
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@@ -429,6 +429,50 @@ set_tests_properties(Reporters::CrashInJunitReporter
LABELS "uses-signals"
)
add_executable(QuickExitInTest ${TESTS_DIR}/X40-QuickExit.cpp)
target_link_libraries(QuickExitInTest PRIVATE Catch2::Catch2WithMain)
add_test(
NAME BazelEnv::TEST_PREMATURE_EXIT_FILE
COMMAND
Python3::Interpreter
"${CATCH_DIR}/tests/TestScripts/testBazelExitGuardFile.py"
$<TARGET_FILE:QuickExitInTest>
"${CMAKE_CURRENT_BINARY_DIR}"
"bazel"
)
set_tests_properties(BazelEnv::TEST_PREMATURE_EXIT_FILE
PROPERTIES
LABELS "uses-python"
)
add_test(
NAME PrematureExitGuardFileCanBeUsedFromCLI::CheckAfterCrash
COMMAND
Python3::Interpreter
"${CATCH_DIR}/tests/TestScripts/testBazelExitGuardFile.py"
$<TARGET_FILE:QuickExitInTest>
"${CMAKE_CURRENT_BINARY_DIR}"
"cli"
)
set_tests_properties(PrematureExitGuardFileCanBeUsedFromCLI::CheckAfterCrash
PROPERTIES
LABELS "uses-python"
)
add_test(
NAME PrematureExitGuardFileCanBeUsedFromCLI::CheckWithoutCrash
COMMAND
Python3::Interpreter
"${CATCH_DIR}/tests/TestScripts/testBazelExitGuardFile.py"
$<TARGET_FILE:QuickExitInTest>
"${CMAKE_CURRENT_BINARY_DIR}"
"no-crash"
)
set_tests_properties(PrematureExitGuardFileCanBeUsedFromCLI::CheckWithoutCrash
PROPERTIES
LABELS "uses-python"
)
add_executable(AssertionStartingEventGoesBeforeAssertionIsEvaluated
X20-AssertionStartingEventGoesBeforeAssertionIsEvaluated.cpp
)