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llvm-mirror/utils/lit
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Reid Kleckner 5972ba002c [lit] Implement timeouts and max_time for process pool testing 
This is necessary to pass the lit test suite at llvm/utils/lit/tests.

There are some pre-existing failures here, but now switching to pools
doesn't regress any tests.

I had to change test-data/lit.cfg to import DummyConfig from a module to
fix pickling problems, but I think it'll be OK if we require test
formats to be written in real .py modules outside lit.cfg files.

I also discovered that in some circumstances AsyncResult.wait() will not
raise KeyboardInterrupt in a timely manner, but you can pass a non-zero
timeout to work around this. This makes threading.Condition.wait use a
polling loop that runs through the interpreter, so it's capable of
asynchronously raising KeyboardInterrupt.

llvm-svn: 299605
2017-04-06 00:38:28 +00:00
..
examples [lit] Move ManyTests examples to lit/examples/many-tests. 2013-08-09 21:39:28 +00:00
lit [lit] Implement timeouts and max_time for process pool testing 2017-04-06 00:38:28 +00:00
tests [lit] Implement timeouts and max_time for process pool testing 2017-04-06 00:38:28 +00:00
utils Fix some bashims. More information on https://wiki.ubuntu.com/DashAsBinSh. Reported initially on https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772302 & https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772301 2015-02-01 14:55:43 +00:00
lit.py [lit] Remove (or allow specific) unused imports 2016-10-10 01:22:06 +00:00
MANIFEST.in [lit] Add a README.txt. 2014-03-10 21:58:12 +00:00
README.txt [lit] Remove TODO 2016-11-03 23:41:49 +00:00
setup.py [lit] Support use of setup.py from other directories. 2013-08-13 19:08:48 +00:00

README.txt 

===============================
 lit - A Software Testing Tool
===============================

lit is a portable tool for executing LLVM and Clang style test suites,
summarizing their results, and providing indication of failures. lit is designed
to be a lightweight testing tool with as simple a user interface as possible.

=====================
 Contributing to lit
=====================

Please browse the Test Suite > lit category in LLVM's Bugzilla for ideas on
what to work on.

Before submitting patches, run the test suite to ensure nothing has regressed:

    # From within your LLVM source directory.
    utils/lit/lit.py \
        --path /path/to/your/llvm/build/bin \
        utils/lit/tests

Note that lit's tests depend on 'not' and 'FileCheck', LLVM utilities.
You will need to have built LLVM tools in order to run lit's test suite
successfully.

You'll also want to confirm that lit continues to work when testing LLVM.
Follow the instructions in http://llvm.org/docs/TestingGuide.html to run the
regression test suite:

    make check-llvm

And be sure to run the llvm-lit wrapper script as well:

    /path/to/your/llvm/build/bin/llvm-lit utils/lit/tests

Finally, make sure lit works when installed via setuptools:

    python utils/lit/setup.py install
    lit --path /path/to/your/llvm/build/bin utils/lit/tests