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From: "SZEDER Gábor" <szeder.dev@gmail.com>
To: Denton Liu <liu.denton@gmail.com>
Cc: Git Mailing List <git@vger.kernel.org>,
	Eric Sunshine <sunshine@sunshineco.com>
Subject: Re: [PATCH v2 02/15] t: teach test_cmp_rev to accept ! for not-equals
Date: Sat, 19 Oct 2019 00:45:02 +0200	[thread overview]
Message-ID: <20191018224502.GL29845@szeder.dev> (raw)
In-Reply-To: <417e808466ee3e61a1719faa319fe0e796d5d271.1571435195.git.liu.denton@gmail.com>

On Fri, Oct 18, 2019 at 03:10:21PM -0700, Denton Liu wrote:
> Currently, in the case where we are using test_cmp_rev() to report
> not-equals, we write `! test_cmp_rev`. However, since test_cmp_rev()
> contains
> 
> 	r1=$(git rev-parse --verify "$1") &&
> 	r2=$(git rev-parse --verify "$2") &&
> 
> In the case where `git rev-parse` segfaults and dies unexpectedly, the
> failure will be ignored.
> 
> Rewrite test_cmp_rev() to optionally accept "!" as the first argument to
> do a not-equals comparison. Rewrite `! test_cmp_rev` to `test_cmp_rev !`
> in all tests to take advantage of this new functionality.
> 
> Signed-off-by: Denton Liu <liu.denton@gmail.com>


> diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh
> index b299ecc326..76dce5f8ee 100644
> --- a/t/test-lib-functions.sh
> +++ b/t/test-lib-functions.sh
> @@ -1012,8 +1012,17 @@ test_must_be_empty () {
>  	fi
>  }
>  
> -# Tests that its two parameters refer to the same revision
> +# Tests that its two parameters refer to the same revision, or if '!' is
> +# provided first, that its other two parameters refer to different
> +# revisions.
>  test_cmp_rev () {
> +	local inverted_op
> +	inverted_op='!='
> +	if test $# -ge 1 && test "x$1" = 'x!'
> +	then
> +	    inverted_op='='
> +	    shift
> +	fi
>  	if test $# != 2
>  	then
>  		error "bug in the test script: test_cmp_rev requires two revisions, but got $#"
> @@ -1021,7 +1030,7 @@ test_cmp_rev () {
>  		local r1 r2
>  		r1=$(git rev-parse --verify "$1") &&
>  		r2=$(git rev-parse --verify "$2") &&
> -		if test "$r1" != "$r2"
> +		if test "$r1" "$inverted_op" "$r2"
>  		then
>  			cat >&4 <<-EOF
>  			error: two revisions point to different objects:

A semi-rhetorical question: how will the output of 'test_cmp_rev ! HEAD
HEAD' look like? :)


  reply	other threads:[~2019-10-18 22:45 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-17 23:16 [PATCH 00/12] t5520: various test cleanup Denton Liu
2019-10-17 23:16 ` [PATCH 01/12] t5520: improve test style Denton Liu
2019-10-17 23:16 ` [PATCH 02/12] t5520: use sq for test case names Denton Liu
2019-10-17 23:17 ` [PATCH 03/12] t5520: let sed open its own input Denton Liu
2019-10-17 23:17 ` [PATCH 04/12] t5520: replace test -f with test_path_is_file Denton Liu
2019-10-17 23:26   ` Eric Sunshine
2019-10-17 23:35   ` [PATCH 4.5/12] t5520: replace test -f with test-lib functions Denton Liu
2019-10-18  0:11     ` Eric Sunshine
2019-10-17 23:17 ` [PATCH 05/12] t5520: remove spaces after redirect operator Denton Liu
2019-10-17 23:17 ` [PATCH 06/12] t5520: use test_line_count where possible Denton Liu
2019-10-17 23:17 ` [PATCH 07/12] t5520: replace test -{n,z} with test-lib functions Denton Liu
2019-10-17 23:31   ` Eric Sunshine
2019-10-17 23:17 ` [PATCH 08/12] t5520: use test_cmp_rev where possible Denton Liu
2019-10-17 23:41   ` Eric Sunshine
2019-10-18 18:52     ` Denton Liu
2019-10-23 13:53       ` Eric Sunshine
2019-10-17 23:17 ` [PATCH 09/12] t5520: test single-line files by git with test_cmp Denton Liu
2019-10-17 23:49   ` Eric Sunshine
2019-10-17 23:17 ` [PATCH 10/12] t5520: don't put git in upstream of pipe Denton Liu
2019-10-17 23:17 ` [PATCH 11/12] t5520: replace subshell cat comparison with test_cmp Denton Liu
2019-10-17 23:17 ` [PATCH 12/12] t5520: replace `! git` with `test_must_fail git` Denton Liu
2019-10-18 22:10 ` [PATCH v2 00/15] t5520: various test cleanup Denton Liu
2019-10-18 22:04   ` [PATCH v2 01/15] t7408: replace `test_must_fail test_path_is_file` Denton Liu
2019-10-19 11:58     ` Johannes Sixt
2019-10-18 22:04   ` [PATCH v2 09/15] t5520: replace test -{n,z} with test-lib functions Denton Liu
2019-10-18 22:04   ` [PATCH v2 11/15] t5520: test single-line files by git with test_cmp Denton Liu
2019-10-18 22:10   ` [PATCH v2 02/15] t: teach test_cmp_rev to accept ! for not-equals Denton Liu
2019-10-18 22:45     ` SZEDER Gábor [this message]
2019-10-18 22:10   ` [PATCH v2 03/15] t5520: improve test style Denton Liu
2019-10-18 22:10   ` [PATCH v2 04/15] t5520: use sq for test case names Denton Liu
2019-10-18 22:10   ` [PATCH v2 05/15] t5520: let sed open its own input Denton Liu
2019-10-18 22:10   ` [PATCH v2 06/15] t5520: replace test -f with test-lib functions Denton Liu
2019-10-18 22:10   ` [PATCH v2 07/15] t5520: remove spaces after redirect operator Denton Liu
2019-10-18 22:10   ` [PATCH v2 08/15] t5520: use test_line_count where possible Denton Liu
2019-10-18 22:10   ` [PATCH v2 10/15] t5520: use test_cmp_rev " Denton Liu
2019-10-18 22:10   ` [PATCH v2 12/15] t5520: don't put git in upstream of pipe Denton Liu
2019-10-18 22:10   ` [PATCH v2 13/15] t5520: replace subshell cat comparison with test_cmp Denton Liu
2019-10-18 22:10   ` [PATCH v2 14/15] t5520: remove redundant lines in test cases Denton Liu
2019-10-18 22:10   ` [PATCH v2 15/15] t5520: replace `! git` with `test_must_fail git` Denton Liu
2019-10-18 22:14   ` [PATCH v2 00/15] t5520: various test cleanup Denton Liu
2019-10-22 10:19   ` [PATCH v3 00/14] " Denton Liu
2019-10-22 10:19     ` [PATCH v3 01/14] t: teach test_cmp_rev to accept ! for not-equals Denton Liu
2019-10-22 10:19     ` [PATCH v3 02/14] t5520: improve test style Denton Liu
2019-10-22 10:19     ` [PATCH v3 03/14] t5520: use sq for test case names Denton Liu
2019-10-22 10:20     ` [PATCH v3 04/14] t5520: let sed open its own input Denton Liu
2019-10-22 10:20     ` [PATCH v3 05/14] t5520: replace test -f with test-lib functions Denton Liu
2019-10-22 10:20     ` [PATCH v3 06/14] t5520: remove spaces after redirect operator Denton Liu
2019-10-22 10:20     ` [PATCH v3 07/14] t5520: use test_line_count where possible Denton Liu
2019-10-22 10:20     ` [PATCH v3 08/14] t5520: replace test -{n,z} with test-lib functions Denton Liu
2019-10-22 10:20     ` [PATCH v3 09/14] t5520: use test_cmp_rev where possible Denton Liu
2019-10-22 10:20     ` [PATCH v3 10/14] t5520: test single-line files by git with test_cmp Denton Liu
2019-10-22 10:20     ` [PATCH v3 11/14] t5520: don't put git in upstream of pipe Denton Liu
2019-10-22 10:20     ` [PATCH v3 12/14] t5520: replace subshell cat comparison with test_cmp Denton Liu
2019-10-22 10:20     ` [PATCH v3 13/14] t5520: remove redundant lines in test cases Denton Liu
2019-10-22 10:20     ` [PATCH v3 14/14] t5520: replace `! git` with `test_must_fail git` Denton Liu
2019-10-24 23:21     ` [PATCH v3 00/14] t5520: various test cleanup Denton Liu
2019-10-25  3:44       ` Junio C Hamano
2019-11-04 19:17         ` Denton Liu
2019-11-06  2:37           ` Junio C Hamano
2019-11-07 18:51     ` [PATCH v4 " Denton Liu
2019-11-07 18:51       ` [PATCH v4 01/14] t: teach test_cmp_rev to accept ! for not-equals Denton Liu
2019-11-08  3:24         ` Junio C Hamano
2019-11-08  8:23           ` Denton Liu
2019-11-08 12:49             ` Junio C Hamano
2019-11-08 21:19               ` Denton Liu
2019-11-10  6:58                 ` Junio C Hamano
2019-11-07 18:51       ` [PATCH v4 02/14] t5520: improve test style Denton Liu
2019-11-07 18:51       ` [PATCH v4 03/14] t5520: use sq for test case names Denton Liu
2019-11-07 18:51       ` [PATCH v4 04/14] t5520: let sed open its own input Denton Liu
2019-11-07 18:51       ` [PATCH v4 05/14] t5520: replace test -f with test-lib functions Denton Liu
2019-11-07 18:51       ` [PATCH v4 06/14] t5520: remove spaces after redirect operator Denton Liu
2019-11-07 18:51       ` [PATCH v4 07/14] t5520: use test_line_count where possible Denton Liu
2019-11-07 18:51       ` [PATCH v4 08/14] t5520: replace test -{n,z} with test-lib functions Denton Liu
2019-11-07 18:51       ` [PATCH v4 09/14] t5520: use test_cmp_rev where possible Denton Liu
2019-11-07 18:51       ` [PATCH v4 10/14] t5520: test single-line files by git with test_cmp Denton Liu
2019-11-07 18:51       ` [PATCH v4 11/14] t5520: don't put git in upstream of pipe Denton Liu
2019-11-07 18:51       ` [PATCH v4 12/14] t5520: replace subshell cat comparison with test_cmp Denton Liu
2019-11-07 18:51       ` [PATCH v4 13/14] t5520: remove redundant lines in test cases Denton Liu
2019-11-07 18:51       ` [PATCH v4 14/14] t5520: replace `! git` with `test_must_fail git` Denton Liu
2019-11-12  0:13       ` [PATCH v5 00/14] t5520: various test cleanup Denton Liu
2019-11-12  0:13         ` [PATCH v5 01/14] t: teach test_cmp_rev to accept ! for not-equals Denton Liu
2019-11-12  6:52           ` Junio C Hamano
2019-11-12 19:38             ` [PATCH] fixup! " Denton Liu
2019-11-12  0:13         ` [PATCH v5 02/14] t5520: improve test style Denton Liu
2019-11-12  0:13         ` [PATCH v5 03/14] t5520: use sq for test case names Denton Liu
2019-11-12  0:13         ` [PATCH v5 04/14] t5520: let sed open its own input Denton Liu
2019-11-12  0:13         ` [PATCH v5 05/14] t5520: replace test -f with test-lib functions Denton Liu
2019-11-12  0:13         ` [PATCH v5 06/14] t5520: remove spaces after redirect operator Denton Liu
2019-11-12  0:13         ` [PATCH v5 07/14] t5520: use test_line_count where possible Denton Liu
2019-11-12  0:13         ` [PATCH v5 08/14] t5520: replace test -{n,z} with test-lib functions Denton Liu
2019-11-12  0:14         ` [PATCH v5 09/14] t5520: use test_cmp_rev where possible Denton Liu
2019-11-12  0:14         ` [PATCH v5 10/14] t5520: test single-line files by git with test_cmp Denton Liu
2019-11-12  5:17           ` Junio C Hamano
2019-11-12 23:06             ` Denton Liu
2019-11-12  0:14         ` [PATCH v5 11/14] t5520: don't put git in upstream of pipe Denton Liu
2019-11-12  0:14         ` [PATCH v5 12/14] t5520: replace subshell cat comparison with test_cmp Denton Liu
2019-11-12  0:14         ` [PATCH v5 13/14] t5520: remove redundant lines in test cases Denton Liu
2019-11-12  0:14         ` [PATCH v5 14/14] t5520: replace `! git` with `test_must_fail git` Denton Liu
2019-11-12 23:07         ` [PATCH v6 00/14] t5520: various test cleanup Denton Liu
2019-11-12 23:07           ` [PATCH v6 01/14] t: teach test_cmp_rev to accept ! for not-equals Denton Liu
2019-11-13  1:57             ` Junio C Hamano
2019-11-14  0:52               ` Denton Liu
2019-11-12 23:07           ` [PATCH v6 02/14] t5520: improve test style Denton Liu
2019-11-12 23:07           ` [PATCH v6 03/14] t5520: use sq for test case names Denton Liu
2019-11-12 23:07           ` [PATCH v6 04/14] t5520: let sed open its own input Denton Liu
2019-11-12 23:07           ` [PATCH v6 05/14] t5520: replace test -f with test-lib functions Denton Liu
2019-11-12 23:07           ` [PATCH v6 06/14] t5520: remove spaces after redirect operator Denton Liu
2019-11-12 23:08           ` [PATCH v6 07/14] t5520: use test_line_count where possible Denton Liu
2019-11-12 23:08           ` [PATCH v6 08/14] t5520: replace test -{n,z} with test-lib functions Denton Liu
2019-11-12 23:08           ` [PATCH v6 09/14] t5520: use test_cmp_rev where possible Denton Liu
2019-11-12 23:08           ` [PATCH v6 10/14] t5520: test single-line files by git with test_cmp Denton Liu
2019-11-12 23:08           ` [PATCH v6 11/14] t5520: don't put git in upstream of pipe Denton Liu
2019-11-12 23:08           ` [PATCH v6 12/14] t5520: replace $(cat ...) comparison with test_cmp Denton Liu
2019-11-12 23:08           ` [PATCH v6 13/14] t5520: remove redundant lines in test cases Denton Liu
2019-11-12 23:08           ` [PATCH v6 14/14] t5520: replace `! git` with `test_must_fail git` Denton Liu
2019-11-13  1:59           ` [PATCH v6 00/14] t5520: various test cleanup Junio C Hamano

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