Hi Eric and Amir,
On Fri, Jan 06, 2017 at 08:57:31PM -0800, Eric Biggers wrote:
> Hi Eryu,
>
> On Fri, Jan 06, 2017 at 11:45:07AM +0800, Eryu Guan wrote:
> > $tmp.* files should be removed in _cleanup() even if the test is not
> > using any $tmp.* file explicitly, because common helper functions
> > may take use of them too.
> >
> > So cleanup tmp files properly in tests, and add a _cleanup()
> > function and trap it on exit if the test doesn't do so, to make all
> > tests consistent on the way they do cleanup.
> >
> > Also remove other tmp files used by the tests and the harness so
> > that we leave no new tmp files in /tmp dir after a full test run.
> >
>
> Why exactly can't the boilerplate go in a preamble file which is sourced by all
> the tests? For example common/preamble containing something like:
Thanks for your review! As you two are basically suggesting the same
solution, so I reply to you together.
I agree that we can do a common/preamble for all tests to source, but I
don't think we need to do that and it's not worth the effort.
IMO, we define and setup the tests in the tests themselves, not in a
common/preamble file, which makes the tests clear and easy to read. We
don't want to "hide" any setups in a common file and to be a "surprise"
to the reader, we don't have to look around for a certain setup.
Also, all the common setup code are all in "new" script, the template is
created automatically, and I fixed all other problematic tests once in
this patch, we don't have any extra maintain burden, as long as all new
tests are created by "new" script.
And fstests has been this way for a very long time if not from the
beginning. All the "old" users are familiar with this code style.
Converting to preamble file doesn't seem gain us more, it doesn't seem
worth the effort converting all existing 900+ tests to new style. And if
we only source common/preamble in new tests, we result in inconsistency
across tests.
But I'd like to see what other fstests users think on this.
Thanks,
Eryu
>
> seq=`basename $0`
> seqres=$RESULT_DIR/$seq
> echo "QA output created by $seq"
>
> _cleanup()
> {
> cd /
> rm -f $tmp.*
> }
>
> here=`pwd`
> tmp=/tmp/$$
> status=1 # failure is the default!
> trap "_cleanup; exit \$status" 0 1 2 3 15
>
> . ./common/rc
>
> Tests that need to do more cleanup could override the default trap.
>
> Eric
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