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Added unit test for checking import ROOT openat calls #43596

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Added unit test for checking import ROOT openat calls #43596

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4 changes: 4 additions & 0 deletions Utilities/General/test/BuildFile.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@
<use name="google-benchmark-main"/>
</bin>

<test name="test-import-root-openat" command="test-import-root-openat.sh">
<use name="root_interface"/>
</test>

<iftool name="cuda-gcc-support">
<test name="CudaGCCSupport" command="echo Supported GCC version"/>
<else/>
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14 changes: 14 additions & 0 deletions Utilities/General/test/test-import-root-openat.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
#!/bin/bash -ex

strace -z -f -o log1.txt -e trace=openat python3 -c 'import ROOT;print(ROOT.gErrorIgnoreLevel);'
if [ $(grep libFWCoreVersion.so log1.txt | wc -l) -gt 0 ] ; then
echo "ERROR: CMSSW libraries loaded by import ROOT"
exit 1
fi
strace -z -f -o log2.txt -e trace=openat python3 -c 'import ROOT;print(ROOT.gErrorIgnoreLevel);print(ROOT.kError);'
RUN1_OPENAT=$(grep openat log1.txt | wc -l)
RUN2_OPENAT=$(grep openat log2.txt | wc -l)
if [ ${RUN1_OPENAT} -ne ${RUN2_OPENAT} ] ; then
echo "ERROR: Some symbol search did not work. Two calls to ROOT loaded extra libraries."
exit 1
fi