git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Denton Liu <liu.denton@gmail.com>
To: Git Mailing List <git@vger.kernel.org>
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Johannes Schindelin" <Johannes.Schindelin@gmx.de>,
	"Johannes Sixt" <j6t@kdbg.org>,
	"SZEDER Gábor" <szeder.dev@gmail.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Philip Oakley" <philipoakley@iee.email>,
	"Pratyush Yadav" <me@yadavpratyush.com>
Subject: [PATCH v10 3/9] t3432: distinguish "noop-same" v.s. "work-same" in "same head" tests
Date: Tue, 27 Aug 2019 01:37:51 -0400	[thread overview]
Message-ID: <5c08e2b81fd65c5d4bcef1fb908987364143d181.1566884063.git.liu.denton@gmail.com> (raw)
In-Reply-To: <cover.1566884063.git.liu.denton@gmail.com>

From: Ævar Arnfjörð Bjarmason <avarab@gmail.com>

Change "same head" introduced in the preceding commit to check whether
the rebase.c code lands in the can_fast_forward() case in, and thus
prints out an "is up to date" and aborts early.

In some of these cases we make it past that and to "rewinding head",
then do a rebase, only to find out there's nothing to change so HEAD
stays at the same OID.

These tests presumed these two cases were the same thing. In terms of
where HEAD ends up they are, but we're not only interested in rebase
semantics, but also whether or not we're needlessly doing work when we
could avoid it entirely.

I'm adding "same" and "diff" here because I'll follow-up and add
--no-ff tests, where some of those will be "diff"-erent, so add the
"diff" code already.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
---
 t/t3432-rebase-fast-forward.sh | 79 +++++++++++++++++++++-------------
 1 file changed, 48 insertions(+), 31 deletions(-)

diff --git a/t/t3432-rebase-fast-forward.sh b/t/t3432-rebase-fast-forward.sh
index f49af274e0..d9f20fa07c 100755
--- a/t/t3432-rebase-fast-forward.sh
+++ b/t/t3432-rebase-fast-forward.sh
@@ -18,55 +18,72 @@ test_expect_success setup '
 test_rebase_same_head () {
 	status="$1" &&
 	shift &&
-	test_expect_$status "git rebase $* with $changes is no-op" "
+	what="$1" &&
+	shift &&
+	cmp="$1" &&
+	shift &&
+	test_expect_$status "git rebase $* with $changes is $what" "
 		oldhead=\$(git rev-parse HEAD) &&
 		test_when_finished 'git reset --hard \$oldhead' &&
-		git rebase $* &&
+		git rebase $* >stdout &&
+		if test $what = work
+		then
+			test_i18ngrep 'rewinding head' stdout
+		elif test $what = noop
+		then
+			test_i18ngrep 'is up to date' stdout
+		fi &&
 		newhead=\$(git rev-parse HEAD) &&
-		test_cmp_rev \$oldhead \$newhead
+		if test $cmp = same
+		then
+			test_cmp_rev \$oldhead \$newhead
+		elif test $cmp = diff
+		then
+			! test_cmp_rev \$oldhead \$newhead
+		fi
 	"
 }
 
 changes='no changes'
-test_rebase_same_head success
-test_rebase_same_head success master
-test_rebase_same_head success --onto B B
-test_rebase_same_head success --onto B... B
-test_rebase_same_head success --onto master... master
-test_rebase_same_head success --no-fork-point
-test_rebase_same_head success --fork-point master
-test_rebase_same_head failure --fork-point --onto B B
-test_rebase_same_head failure --fork-point --onto B... B
-test_rebase_same_head success --fork-point --onto master... master
+test_rebase_same_head success work same
+test_rebase_same_head success noop same master
+test_rebase_same_head success noop same --onto B B
+test_rebase_same_head success noop same --onto B... B
+test_rebase_same_head success noop same --onto master... master
+test_rebase_same_head success noop same --no-fork-point
+test_rebase_same_head success work same --fork-point master
+test_rebase_same_head failure noop same --fork-point --onto B B
+test_rebase_same_head failure work same --fork-point --onto B... B
+test_rebase_same_head success work same --fork-point --onto master... master
 
-test_expect_success 'add work to side' '
+test_expect_success 'add work same to side' '
 	test_commit E
 '
 
 changes='our changes'
-test_rebase_same_head success
-test_rebase_same_head success master
-test_rebase_same_head success --onto B B
-test_rebase_same_head success --onto B... B
-test_rebase_same_head success --onto master... master
-test_rebase_same_head success --no-fork-point
-test_rebase_same_head success --fork-point master
-test_rebase_same_head failure --fork-point --onto B B
-test_rebase_same_head failure --fork-point --onto B... B
-test_rebase_same_head success --fork-point --onto master... master
+test_rebase_same_head success work same
+test_rebase_same_head success noop same master
+test_rebase_same_head success noop same --onto B B
+test_rebase_same_head success noop same --onto B... B
+test_rebase_same_head success noop same --onto master... master
+test_rebase_same_head success noop same --no-fork-point
+test_rebase_same_head success work same --fork-point master
+test_rebase_same_head failure work same --fork-point --onto B B
+test_rebase_same_head failure work same --fork-point --onto B... B
+test_rebase_same_head success work same --fork-point --onto master... master
 
-test_expect_success 'add work to upstream' '
+test_expect_success 'add work same to upstream' '
 	git checkout master &&
 	test_commit F &&
 	git checkout side
 '
 
 changes='our and their changes'
-test_rebase_same_head success --onto B B
-test_rebase_same_head success --onto B... B
-test_rebase_same_head failure --onto master... master
-test_rebase_same_head failure --fork-point --onto B B
-test_rebase_same_head failure --fork-point --onto B... B
-test_rebase_same_head failure --fork-point --onto master... master
+test_rebase_same_head success noop same --onto B B
+test_rebase_same_head success noop same --onto B... B
+test_rebase_same_head failure work same --onto master... master
+test_rebase_same_head failure work same --fork-point --onto B B
+test_rebase_same_head failure work same --fork-point --onto B... B
+test_rebase_same_head failure work same --fork-point --onto master... master
 
 test_done
-- 
2.23.0.248.g3a9dd8fb08


  parent reply	other threads:[~2019-08-27  5:37 UTC|newest]

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-23 15:25 [PATCH 0/3] rebase: learn --keep-base Denton Liu
2019-03-23 15:25 ` [PATCH 1/3] rebase: teach rebase --keep-base Denton Liu
2019-03-24  3:46   ` Eric Sunshine
2019-03-24 13:20   ` Junio C Hamano
2019-03-25  0:06     ` Denton Liu
2019-03-25  5:41       ` Denton Liu
2019-04-01 10:45         ` Junio C Hamano
2019-03-24 13:37   ` Junio C Hamano
2019-03-25  5:47   ` Denton Liu
2019-03-25 18:50   ` Johannes Schindelin
2019-03-25 19:29     ` Denton Liu
2019-03-26 13:27       ` Johannes Schindelin
2019-03-23 15:25 ` [PATCH 2/3] t3416: test " Denton Liu
2019-03-23 15:25 ` [PATCH 3/3] git-rebase.txt: document --keep-base option Denton Liu
2019-03-24 13:15 ` [PATCH 0/3] rebase: learn --keep-base Junio C Hamano
2019-03-25  0:04   ` Denton Liu
2019-04-01 10:45     ` Junio C Hamano
2019-03-26 14:35 ` Ævar Arnfjörð Bjarmason
2019-03-26 17:50   ` Denton Liu
2019-03-26 20:35     ` Ævar Arnfjörð Bjarmason
2019-03-26 21:30       ` Denton Liu
2019-03-27 15:39         ` Ævar Arnfjörð Bjarmason
2019-03-28 22:17 ` [PATCH v2] rebase: teach rebase --keep-base Denton Liu
2019-03-28 23:13   ` Ævar Arnfjörð Bjarmason
2019-03-29 15:47   ` Johannes Schindelin
2019-03-29 17:52     ` Denton Liu
2019-04-01 10:46     ` Junio C Hamano
2019-04-01 20:51   ` [PATCH v3 0/4] " Denton Liu
2019-04-01 20:51     ` [PATCH v3 1/4] t3431: add rebase --fork-point tests Denton Liu
2019-04-04 20:28       ` Denton Liu
2019-04-05 11:15       ` SZEDER Gábor
2019-04-08  4:38         ` Junio C Hamano
2019-04-05 14:55       ` Johannes Schindelin
2019-04-05 17:25         ` Denton Liu
2019-04-05 17:51           ` Johannes Sixt
2019-04-05 18:51             ` Johannes Schindelin
2019-04-05 20:19               ` Johannes Schindelin
2019-04-05 21:10                 ` SZEDER Gábor
2019-04-01 20:51     ` [PATCH v3 2/4] t3432: test rebase fast-forward behavior Denton Liu
2019-04-01 20:52     ` [PATCH v3 3/4] rebase: fast-forward --onto in more cases Denton Liu
2019-04-02  1:25       ` Junio C Hamano
2019-04-02  1:48         ` Junio C Hamano
2019-04-02  4:44           ` Denton Liu
2019-04-01 20:52     ` [PATCH v3 4/4] rebase: teach rebase --keep-base Denton Liu
2019-04-05 21:39     ` [PATCH v4 0/4] " Denton Liu
2019-04-05 21:40       ` [PATCH v4 1/4] t3431: add rebase --fork-point tests Denton Liu
2019-04-05 21:40       ` [PATCH v4 2/4] t3432: test rebase fast-forward behavior Denton Liu
2019-04-05 21:40       ` [PATCH v4 3/4] rebase: fast-forward --onto in more cases Denton Liu
2019-04-05 21:40       ` [PATCH v4 4/4] rebase: teach rebase --keep-base Denton Liu
2019-04-15 22:29       ` [PATCH v5 0/5] " Denton Liu
2019-04-15 22:29         ` [PATCH v5 1/5] t3431: add rebase --fork-point tests Denton Liu
2019-04-15 22:29         ` [PATCH v5 2/5] t3432: test rebase fast-forward behavior Denton Liu
2019-04-15 22:29         ` [PATCH v5 3/5] rebase: fast-forward --onto in more cases Denton Liu
2019-04-16  6:26           ` Junio C Hamano
2019-04-16 13:59           ` Phillip Wood
2019-04-17  6:44             ` Denton Liu
2019-04-17 14:14               ` Phillip Wood
2019-04-19 17:08           ` Denton Liu
2019-04-15 22:29         ` [PATCH v5 4/5] rebase: fast-forward --fork-point " Denton Liu
2019-04-15 22:29         ` [PATCH v5 5/5] rebase: teach rebase --keep-base Denton Liu
2019-04-17 18:01       ` [PATCH v6 0/5] " Denton Liu
2019-04-17 18:01         ` [PATCH v6 1/6] t3431: add rebase --fork-point tests Denton Liu
2019-04-17 18:01         ` [PATCH v6 2/6] t3432: test rebase fast-forward behavior Denton Liu
2019-04-17 18:01         ` [PATCH v6 3/6] rebase: refactor can_fast_forward into goto tower Denton Liu
2019-04-17 18:01         ` [PATCH v6 4/6] rebase: fast-forward --onto in more cases Denton Liu
2019-04-17 19:59           ` Phillip Wood
2019-04-17 18:01         ` [PATCH v6 5/6] rebase: fast-forward --fork-point " Denton Liu
2019-04-17 18:01         ` [PATCH v6 6/6] rebase: teach rebase --keep-base Denton Liu
2019-04-21  8:11         ` [PATCH v7 0/6] rebase: learn --keep-base Denton Liu
2019-04-21  8:11           ` [PATCH v7 1/6] t3431: add rebase --fork-point tests Denton Liu
2019-04-23 23:12             ` Denton Liu
2019-04-21  8:11           ` [PATCH v7 2/6] t3432: test rebase fast-forward behavior Denton Liu
2019-04-21  8:11           ` [PATCH v7 3/6] rebase: refactor can_fast_forward into goto tower Denton Liu
2019-04-21  8:11           ` [PATCH v7 4/6] rebase: fast-forward --onto in more cases Denton Liu
2019-04-21  8:11           ` [PATCH v7 5/6] rebase: fast-forward --fork-point " Denton Liu
2019-04-21  8:11           ` [PATCH v7 6/6] rebase: teach rebase --keep-base Denton Liu
2019-05-08  0:12           ` [RFC WIP PATCH v8 00/13] learn --keep-base & more Ævar Arnfjörð Bjarmason
2019-05-08  3:57             ` Junio C Hamano
2019-07-19 19:14               ` Junio C Hamano
2019-07-19 21:01                 ` Denton Liu
2019-08-25  9:11             ` [PATCH v9 0/9] rebase: learn --keep-base and improvements on fast-forward behaviour Denton Liu
2019-08-25  9:11               ` [PATCH v9 1/9] t3431: add rebase --fork-point tests Denton Liu
2019-08-25  9:12               ` [PATCH v9 2/9] t3432: test rebase fast-forward behavior Denton Liu
2019-08-25  9:12               ` [PATCH v9 3/9] t3432: distinguish "noop-same" v.s. "work-same" in "same head" tests Denton Liu
2019-08-25  9:12               ` [PATCH v9 4/9] t3432: test for --no-ff's interaction with fast-forward Denton Liu
2019-08-25  9:12               ` [PATCH v9 5/9] rebase: refactor can_fast_forward into goto tower Denton Liu
2019-08-25 13:17                 ` Pratyush Yadav
2019-08-26 23:17                   ` Denton Liu
2019-08-25  9:12               ` [PATCH v9 6/9] rebase: fast-forward --onto in more cases Denton Liu
2019-08-25  9:12               ` [PATCH v9 7/9] rebase: fast-forward --fork-point " Denton Liu
2019-08-25  9:12               ` [PATCH v9 8/9] rebase tests: test linear branch topology Denton Liu
2019-08-25  9:12               ` [PATCH v9 9/9] rebase: teach rebase --keep-base Denton Liu
2019-08-25 22:59                 ` Philip Oakley
2019-08-26 19:37               ` [PATCH v9 0/9] rebase: learn --keep-base and improvements on fast-forward behaviour Junio C Hamano
2019-08-27  5:37               ` [PATCH v10 " Denton Liu
2019-08-27  5:37                 ` [PATCH v10 1/9] t3431: add rebase --fork-point tests Denton Liu
2019-08-27  5:37                 ` [PATCH v10 2/9] t3432: test rebase fast-forward behavior Denton Liu
2019-08-27  5:37                 ` Denton Liu [this message]
2019-08-27  5:37                 ` [PATCH v10 4/9] t3432: test for --no-ff's interaction with fast-forward Denton Liu
2019-08-27  8:11                   ` SZEDER Gábor
2019-08-27  5:37                 ` [PATCH v10 5/9] rebase: refactor can_fast_forward into goto tower Denton Liu
2019-08-27  5:37                 ` [PATCH v10 6/9] rebase: fast-forward --onto in more cases Denton Liu
2019-08-27  5:38                 ` [PATCH v10 7/9] rebase: fast-forward --fork-point " Denton Liu
2019-08-27  5:38                 ` [PATCH v10 8/9] rebase tests: test linear branch topology Denton Liu
2019-08-27  5:38                 ` [PATCH v10 9/9] rebase: teach rebase --keep-base Denton Liu
2019-05-08  0:12           ` [RFC WIP PATCH v8 01/13] t3431: add rebase --fork-point tests Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 02/13] t3432: test rebase fast-forward behavior Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 03/13] t3432: distinguish "noop-same" v.s. "work-same" in "same head" tests Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 04/13] t3432: test for --no-ff's interaction with fast-forward Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 05/13] rebase: refactor can_fast_forward into goto tower Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 06/13] rebase: fast-forward --onto in more cases Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 07/13] rebase: fast-forward --fork-point " Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 08/13] rebase: teach rebase --keep-base Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 09/13] rebase tests: test linear branch topology Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 10/13] rebase: don't rebase linear topology with --fork-point Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 11/13] rebase: eliminate side-effects from can_fast_forward() Ævar Arnfjörð Bjarmason
2019-05-17 21:16             ` Johannes Schindelin
2019-05-08  0:12           ` [RFC WIP PATCH v8 12/13] rebase: add a should_fast_forward() utility function Ævar Arnfjörð Bjarmason
2019-05-08  0:12           ` [RFC WIP PATCH v8 13/13] WIP: can_fast_forward() support for --preserve-merges and --rebase-merges Ævar Arnfjörð Bjarmason
2019-05-17 22:02             ` Johannes Schindelin
2019-04-06 19:44     ` [PATCH v3 0/4] rebase: teach rebase --keep-base Ævar Arnfjörð Bjarmason
2019-04-06 20:38       ` Denton Liu
2019-04-13 21:10         ` Ævar Arnfjörð Bjarmason

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://vger.kernel.org/majordomo-info.html

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5c08e2b81fd65c5d4bcef1fb908987364143d181.1566884063.git.liu.denton@gmail.com \
    --to=liu.denton@gmail.com \
    --cc=Johannes.Schindelin@gmx.de \
    --cc=avarab@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=gitster@pobox.com \
    --cc=j6t@kdbg.org \
    --cc=me@yadavpratyush.com \
    --cc=philipoakley@iee.email \
    --cc=sunshine@sunshineco.com \
    --cc=szeder.dev@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).