Re: [PATCH] t2027: avoid using pipes

From: Prathamesh Chavan <pc44800@gmail.com>
Date: Mar 8, 2017, 21:38 UTC
Message-ID: <CAME+mvWVDPT+-F7Z-O=XR_EN4qeNEoQ5ksLpLVkVBb0O9LKROg@mail.gmail.com>
In-Reply-To: <E1cldl4-0006L6-CU@mylo.jdl.com>

Whenever a test suite is executed, after finishing every test, after running all tests, the function test_done is called. You may find this function in test-lib.sh . This function displays the result of the test and also removes the trash created by running the test.

On Wed, Mar 8, 2017 at 9:14 PM, Jon Loeliger <jdl@jdl.com> wrote:

Show 31 quoted lines

> So, like, Prathamesh Chavan said:
>> The exit code of the upstream of a pipe is ignored thus we should avoid
>> using it. By writing out the output of the git command to a file, we
>> can test the exit codes of both the commands.
>>
>> Signed-off-by: Prathamesh <pc44800@gmail.com>
>> ---
>>  t/t2027-worktree-list.sh | 14 +++++++-------
>>  1 file changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/t/t2027-worktree-list.sh b/t/t2027-worktree-list.sh
>> index 848da5f..daa7a04 100755
>> --- a/t/t2027-worktree-list.sh
>> +++ b/t/t2027-worktree-list.sh
>> @@ -31,7 +31,7 @@ test_expect_success '"list" all worktrees from main' '
>>       test_when_finished "rm -rf here && git worktree prune" &&
>>       git worktree add --detach here master &&
>>       echo "$(git -C here rev-parse --show-toplevel) $(git rev-parse --short
>> HEAD) (detached HEAD)" >>expect &&
>> -     git worktree list | sed "s/  */ /g" >actual &&
>> +     git worktree list >out && sed "s/  */ /g" <out >actual &&
>>       test_cmp expect actual
>>  '
>
> I confess I am not familiar with the test set up.
> However, I'd ask the question do we care about the
> lingering "out" and "actual" files here?  Or will
> they silently be cleaned up along the way later?
>
> Thanks,
> jdl