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[Core] Unit tests fixes/improvements #40988
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Given that scram knows it is executing a test, couldn't we pass a special environment variable to the tests to let them know about where they come from? As seen here, that is a very useful thing for the test. It also avoids having to know exactly which CMSSW variable are available both in a local work area and in the IBs. It would also help if a test is moved from one directory to a different directory for maintenance reasons as one would not have to remember to update the internals of the test as well.
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@Dr15Jones , scram does set the following env
so one can make use of these but the only problem is that these are set when you run tests via scram i.e.
scram build runtests
orscram b unittests
. So test will fail if you try to run them directlyThere was a problem hiding this comment.
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In the previously written tests, they would also fail if not run via scram as the arguments needed for the test were embedded in the BuildFile.xml files. Therefore I do not see it as a problem to use those environment variables in the tests themselves.
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not really, previously the TestHelper was setting various env e.g
LOCAL_TMP_DIR, LOCAL_TEST_DIR
so when you run the unit tests executable e.g.TestFWCoreFrameworkDeleteEarly
then it works. Of course if you run the shell script directly then yes it would have failed.But I have no issues if tests can make use of these
SCRAM_TEST_*
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TestHelper
generatesLOCAL_TEST_DIR
based on the 3rd argument it is passed and that argument is embedded in the BuildFile.xml file. So executing justTestFWCoreFrameworkDeleteEarly
should fail with an 'invalid number of arguments' error.There was a problem hiding this comment.
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ah yes, you are right