On Thu, Mar 03, 2022 at 04:03:24PM +0000, Daniel P. Berrangé wrote: > When developing an I/O test it is typical to add some logic to the > test script, run it to view the output diff, and then apply the > output diff to the reference file. This can be drastically simplified > by letting the test runner update the reference file in place. > > By setting 'QEMU_IOTESTS_REGEN=1', the test runner will report the > failure and show the diff, but at the same time update the reference > file. So next time the I/O test is run it will succeed. > > Continuing to display the diff when updating the reference gives the > developer a chance to review what was changed. > > Signed-off-by: Daniel P. Berrangé <[email protected]> > --- > tests/qemu-iotests/testrunner.py | 6 ++++++ > 1 file changed, 6 insertions(+)
I like it - I've wished for similar when writing a test. Reviewed-by: Eric Blake <[email protected]> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
