CTest: Define 42 as Skip Return Code

Better than passing the test https://cmake.org/cmake/help/latest/prop_test/SKIP_RETURN_CODE.html
ECP-WarpX · Jan 13, 2025 · 820effb · 820effb
1 parent 3b5a1c9
commit 820effb
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diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
@@ -91,6 +91,8 @@ function(add_impactx_test name input is_mpi analysis_script plot_script)
     else()
         set_property(TEST ${name}.run APPEND PROPERTY ENVIRONMENT "OMP_NUM_THREADS=2")
     endif()
+    # special return code for skipped tests (e.g., runtime prerequisite fails)
+    set_tests_properties(${name}.run PROPERTIES SKIP_RETURN_CODE 42)
 
     # analysis and plots
     set(THIS_Python_SCRIPT_EXE)

diff --git a/examples/pytorch_surrogate_model/run_ml_surrogate_15_stage.py b/examples/pytorch_surrogate_model/run_ml_surrogate_15_stage.py
@@ -37,7 +37,7 @@
     print("Warning: Cannot import PyTorch. Skipping test.")
     import sys
 
-    sys.exit(0)
+    sys.exit(42)  # ImpactX special return code for skipped tests
 
 import zipfile
 from urllib import request