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Re: [PATCH] t4018: drop "debugging" cat from hunk-header tests

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Jan 16, 2020, 22:56 UTC
Message-ID
<20200116225655.GD71299@google.com>
In-Reply-To
<20200116183423.GA3011203@coredump.intra.peff.net>
Jeff King wrote:
Show 25 quoted lines
> We run a series of hunk-header tests in a loop, and each one does this:
>
>   test_when_finished 'cat actual' &&      # for debugging only
>
> This is pretty pointless. When the test succeeds, we waste time running
> a useless cat process. If you're debugging a failure with "-i", then we
> won't run the when-finished part at all. So it helps only if you're
> running with something like "--verbose-log".
>
> Since we expect the tests to succeed most of the time, a better way to
> do this would be a helper that checks the output and dumps "actual" only
> when it fails. But it's probably not even worth the effort, as anyone
> debugging a failure could just run with "-i" and investigate the
> "actual" file themselves.
>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
> Just noticed this when working with t4018 on an unrelated problem.
>
> I could be convinced otherwise on the final paragraph, but I think it
> would only be worth it if we added a general test_grep() helper and used
> it in more places.
>
>  t/t4018-diff-funcname.sh | 1 -
>  1 file changed, 1 deletion(-)
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Thanks.

Sure, a test_grep would be nice for CI cases (especially for Heisenbugs), but in its absence I agree that this patch is the right thing to do.

Previous: Jeff KingNext: Junio C Hamano
Message 3 of 7 in “Makefile: use compat regex with SANITIZE=address”
  1. Makefile: use compat regex with SANITIZE=addressJeff King, Jan 16, 2020
  2. t4018: drop "debugging" cat from hunk-header testsJeff King, Jan 16, 2020
  3. Jonathan NiederJan 16, 2020
  4. Junio C HamanoJan 17, 2020
  5. Jeff KingJan 17, 2020
  6. brian m. carlsonJan 17, 2020
  7. Jeff KingJan 18, 2020

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