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tests/functional: automatically clean up scratch files after tests

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The build/tests/functional subdirectories are consuming huge amounts
of disk space.

Split the location for scratch files into a 'scratch' sub-directory,
separate from log files, and delete it upon completion of each test.
The new env variable QEMU_TEST_KEEP_SCRATCH can be set to preserve
this scratch dir for debugging access if required.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20241121154218.1423005-3-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20241121165806.476008-3-alex.bennee@linaro.org>
This commit is contained in:
Daniel P. Berrangé 2024-11-21 16:57:29 +00:00 • committed by Alex Bennée
parent 2abdc8cad0
commit dbaaef7dbf
2 changed files with 15 additions and 5 deletions
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6
docs/devel/testing/functional.rst
View file

@ -65,6 +65,12 @@ to the QEMU binary that should be used for the test, for example::
$ export QEMU_TEST_QEMU_BINARY=$PWD/qemu-system-x86_64
$ python3 ../tests/functional/test_file.py
The test framework will automatically purge any scratch files created during
the tests. If needing to debug a failed test, it is possible to keep these
files around on disk by setting ```QEMU_TEST_KEEP_SCRATCH=1``` as an env
variable. Any preserved files will be deleted the next time the test is run
without this variable set.
Overview
--------