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Re: [PATCH 04/30] directory rename detection: basic testcases

On Mon, Nov 13, 2017 at 5:21 PM, Stefan Beller <sbeller@xxxxxxxxxx> wrote:
> On Mon, Nov 13, 2017 at 4:57 PM, Elijah Newren <newren@xxxxxxxxx> wrote:

> (slightly dreaming:)
> I wonder if we could teach our test suite to accept multiple test_done
> or restart_tests or such to resurrect the clean slate.

I'm dreaming now too; I would like that a lot more, although the
separate test_create_repo for each case isn't too bad and should be a
pretty mechanical switch.

>>>> +       test 3 -eq $(git ls-files -s | wc -l) &&
>>>     git ls-files >out &&
>>>     test_line_count = 3 out &&

> I am not saying it was a cargo-culting reaction, but rather relaying
> a well discussed style issue to you. ;)

Ah, gotcha.

>> If you feel the return code of ls-files is important, perhaps I could
>> just have a separate
>>    git ls-files -s >/dev/null &&
>> call before the others?
> I would prefer to not add any further calls; also (speaking generically)
> this would bring in potential racing issues (what if the second ls-files
> behaves differently than the first?)

Makes sense.

>> I'm not following.  The "old" and "new" in the filenames were just
>> there so a human reading the testcase could easily tell which
>> filenames were related and involved in renames.  There is no rename
>> associated with d, so why would I have called it "old" or "new"?
> because a user may be impressed by gits pattern matching in the
> rename detection:
>  A: z/{oldb,oldc}
>  B: z/{newb,newc}
>  C: z/{oldb, oldc, oldd}
> Obviously A->B is z/{old->new}-* (not a directory rename,
> but just patterns), so one might be tempted to expect newd
> as the expectation. But that is nonsense(!?)

Ah, now I see where you were going.  Thanks for explaining.

>> I think 2 is insanity.
> or the place where hooks/custom code shines. :)