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VUnit / vunit

VUnit is a unit testing framework for VHDL/SystemVerilog
http://vunit.github.io/
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add command-line option to clean PASSed testcase data #331

Open krishnan-gopal opened 6 years ago

krishnan-gopal commented 6 years ago

While dealing with several testcases in a testbench, a regression run could generate huge amounts of data. Its only interesting to see whether a testcase result is a PASS or FAIL, and store the generated data (do files, transcript, wavefile) only for the failed testcases. A command-line option could be added to remove the simulation directory and all the generated files once a testcase simulation is finished and has a PASS result. The data can of course be saved for the FAIL cases. This would save a lot of disk space while dealing with huge testbenches and large number of testcases.

kraigher commented 6 years ago

So you are proposing that the data is cleaned immediately after the test is done? That is a bit tricky since the output folder of a test case is used to gather coverage database files

kraigher commented 6 years ago

Has this been a practical problem for you? At work I have 2000 tests and no problem with disk space.

krishnan-gopal commented 6 years ago

Depends on how much data each simulation needs. Think about testvector/ascii files which may be used for simulations. By the way, have you thought about doing the coverage merge after each testcase is finished ? The simulation directory can be deleted after that. Again, this is more of a convenience feature than a necessity.

kraigher commented 6 years ago

Maybe merging the coverage file directly would be better. Anyway it adds to the effort needed to implement this. Still it is a worthwhile feature to consider when the time is available.