From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin von Zweigbergk Subject: [PATCH v6 5/7] add tests for rebasing merged history Date: Thu, 6 Jun 2013 23:11:41 -0700 Message-ID: <1370585503-11374-6-git-send-email-martinvonz@gmail.com> References: <1370292135-1236-1-git-send-email-martinvonz@gmail.com> <1370585503-11374-1-git-send-email-martinvonz@gmail.com> Cc: Junio C Hamano , Johannes Sixt , Chris Webb , Felipe Contreras , Martin von Zweigbergk To: git@vger.kernel.org X-From: git-owner@vger.kernel.org Fri Jun 07 08:20:11 2013 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Ukq1x-0000qE-Gn for gcvg-git-2@plane.gmane.org; Fri, 07 Jun 2013 08:20:10 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752528Ab3FGGUB (ORCPT ); Fri, 7 Jun 2013 02:20:01 -0400 Received: from mail-qa0-f74.google.com ([209.85.216.74]:51063 "EHLO mail-qa0-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751831Ab3FGGUA (ORCPT ); Fri, 7 Jun 2013 02:20:00 -0400 Received: by mail-qa0-f74.google.com with SMTP id g10so128448qah.5 for ; Thu, 06 Jun 2013 23:19:59 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=FcdP2BOCNLQxa5x+fjSaIz4aI0oxThi+yFvqI1W8dYI=; b=ChYR9kTanf+kh7r2uyg/gvdFoyavVdOTdDC6qiyHFvZPEzU3PZyHkPdGr39T76p8NQ QFymmcshciafnzGSY8jdfb65fUEHfH1HhaLtFy1MjkcRT5Qb/Q3Gqatf9E6Ye5q57TIT QAZ1qTocNRah1Q/1dFPpYX9fzQOQQp47bHmjGeTxAB/MctZCE4VBhqKgzddYAiMrrRL3 pLy6ZyCbiU+DTdrL0jk2lC6ZNyYtp6atwpbwhu3YG3djON4HMJz0smREqmFQSS7T2J7M cScerKD6wQbmjWmiBnXioEs0Z+5o2aUBLU6Ti2Bp+nH7Ni9+lRE5Y1u4dPJ+HUPjnfeL NXPQ== X-Received: by 10.236.150.103 with SMTP id y67mr14275584yhj.21.1370585510498; Thu, 06 Jun 2013 23:11:50 -0700 (PDT) Received: from corp2gmr1-1.hot.corp.google.com (corp2gmr1-1.hot.corp.google.com [172.24.189.92]) by gmr-mx.google.com with ESMTPS id o42si7050435yhe.5.2013.06.06.23.11.50 for (version=TLSv1.1 cipher=AES128-SHA bits=128/128); Thu, 06 Jun 2013 23:11:50 -0700 (PDT) Received: from handduk2.mtv.corp.google.com (handduk2.mtv.corp.google.com [172.18.144.137]) by corp2gmr1-1.hot.corp.google.com (Postfix) with ESMTP id 49EB731C1BD; Thu, 6 Jun 2013 23:11:50 -0700 (PDT) Received: by handduk2.mtv.corp.google.com (Postfix, from userid 151024) id EBB771008F4; Thu, 6 Jun 2013 23:11:49 -0700 (PDT) X-Mailer: git-send-email 1.8.3.497.g83fddbe In-Reply-To: <1370585503-11374-1-git-send-email-martinvonz@gmail.com> X-Gm-Message-State: ALoCoQlhyo6a+8ZzhVSw2Wl0N8ojFgmQjkxIt3s3hfMjFSpZYO7xXsPamGbqeoY06NTWtFgvN8LZrBqPiMuEPPxuevUD2v9VNCO4jaCRZ7B3WUKArPRv2NCZfXzUiVI26nSX1LWG4GD4OXznlmqNTK2p/62tKR7S2rqVK0h2kQH5EMjwinZQJVrX89EUjCyPATfAAjwlSTBj Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Signed-off-by: Martin von Zweigbergk --- t/t3400-rebase.sh | 31 +---- t/t3401-rebase-partial.sh | 45 ------- t/t3404-rebase-interactive.sh | 10 +- t/t3409-rebase-preserve-merges.sh | 53 -------- t/t3425-rebase-topology-merges.sh | 258 ++++++++++++++++++++++++++++++++++++++ 5 files changed, 260 insertions(+), 137 deletions(-) delete mode 100755 t/t3401-rebase-partial.sh create mode 100755 t/t3425-rebase-topology-merges.sh diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh index b58fa1a..b436ef4 100755 --- a/t/t3400-rebase.sh +++ b/t/t3400-rebase.sh @@ -40,13 +40,6 @@ test_expect_success 'prepare repository with topic branches' ' echo Side >>C && git add C && git commit -m "Add C" && - git checkout -b nonlinear my-topic-branch && - echo Edit >>B && - git add B && - git commit -m "Modify B" && - git merge side && - git checkout -b upstream-merged-nonlinear && - git merge master && git checkout -f my-topic-branch && git tag topic ' @@ -106,31 +99,9 @@ test_expect_success 'rebase from ambiguous branch name' ' git rebase master ' -test_expect_success 'rebase after merge master' ' - git checkout --detach refs/tags/topic && - git branch -D topic && - git reset --hard topic && - git merge master && - git rebase master && - ! (git show | grep "^Merge:") -' - -test_expect_success 'rebase of history with merges is linearized' ' - git checkout nonlinear && - test 4 = $(git rev-list master.. | wc -l) && - git rebase master && - test 3 = $(git rev-list master.. | wc -l) -' - -test_expect_success 'rebase of history with merges after upstream merge is linearized' ' - git checkout upstream-merged-nonlinear && - test 5 = $(git rev-list master.. | wc -l) && - git rebase master && - test 3 = $(git rev-list master.. | wc -l) -' - test_expect_success 'rebase a single mode change' ' git checkout master && + git branch -D topic && echo 1 >X && git add X && test_tick && diff --git a/t/t3401-rebase-partial.sh b/t/t3401-rebase-partial.sh deleted file mode 100755 index 7ba1797..0000000 --- a/t/t3401-rebase-partial.sh +++ /dev/null @@ -1,45 +0,0 @@ -#!/bin/sh -# -# Copyright (c) 2006 Yann Dirson, based on t3400 by Amos Waterland -# - -test_description='git rebase should detect patches integrated upstream - -This test cherry-picks one local change of two into master branch, and -checks that git rebase succeeds with only the second patch in the -local branch. -' -. ./test-lib.sh - -test_expect_success 'prepare repository with topic branch' ' - test_commit A && - git checkout -b my-topic-branch && - test_commit B && - test_commit C && - git checkout -f master && - test_commit A2 A.t -' - -test_expect_success 'pick top patch from topic branch into master' ' - git cherry-pick C && - git checkout -f my-topic-branch -' - -test_debug ' - git cherry master && - git format-patch -k --stdout --full-index master >/dev/null && - gitk --all & sleep 1 -' - -test_expect_success 'rebase topic branch against new master and check git am did not get halted' ' - git rebase master && - test_path_is_missing .git/rebase-apply -' - -test_expect_success 'rebase --merge topic branch that was partially merged upstream' ' - git reset --hard C && - git rebase --merge master && - test_path_is_missing .git/rebase-merge -' - -test_done diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index a58406d..ffcaf02 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -477,19 +477,11 @@ test_expect_success 'interrupted squash works as expected (case 2)' ' test $one = $(git rev-parse HEAD~2) ' -test_expect_success 'ignore patch if in upstream' ' - HEAD=$(git rev-parse HEAD) && - git checkout -b has-cherry-picked HEAD^ && +test_expect_success '--continue tries to commit, even for "edit"' ' echo unrelated > file7 && git add file7 && test_tick && git commit -m "unrelated change" && - git cherry-pick $HEAD && - EXPECT_COUNT=1 git rebase -i $HEAD && - test $HEAD = $(git rev-parse HEAD^) -' - -test_expect_success '--continue tries to commit, even for "edit"' ' parent=$(git rev-parse HEAD^) && test_tick && FAKE_LINES="edit 1" git rebase -i HEAD^ && diff --git a/t/t3409-rebase-preserve-merges.sh b/t/t3409-rebase-preserve-merges.sh index 6de4e22..2e0c364 100755 --- a/t/t3409-rebase-preserve-merges.sh +++ b/t/t3409-rebase-preserve-merges.sh @@ -11,14 +11,6 @@ Run "git rebase -p" and check that merges are properly carried along GIT_AUTHOR_EMAIL=bogus_email_address export GIT_AUTHOR_EMAIL -# Clone 1 (trivial merge): -# -# A1--A2 <-- origin/master -# \ \ -# B1--M <-- topic -# \ -# B2 <-- origin/topic -# # Clone 2 (conflicting merge): # # A1--A2--B3 <-- origin/master @@ -36,16 +28,6 @@ export GIT_AUTHOR_EMAIL # \--A3 <-- topic2 # \ # B2 <-- origin/topic -# -# Clone 4 (merge using second parent as base): -# -# A1--A2--B3 <-- origin/master -# \ -# B1--A3--M <-- topic -# \ / -# \--A4 <-- topic2 -# \ -# B2 <-- origin/topic test_expect_success 'setup for merge-preserving rebase' \ 'echo First > A && @@ -58,20 +40,6 @@ test_expect_success 'setup for merge-preserving rebase' \ git checkout -f master && echo Third >> A && git commit -a -m "Modify A2" && - - git clone ./. clone1 && - (cd clone1 && - git checkout -b topic origin/topic && - git merge origin/master - ) && - - git clone ./. clone4 && - ( - cd clone4 && - git checkout -b topic origin/topic && - git merge origin/master - ) && - echo Fifth > B && git add B && git commit -m "Add different B" && @@ -101,16 +69,6 @@ test_expect_success 'setup for merge-preserving rebase' \ git commit -a -m "Modify B2" ' -test_expect_success 'rebase -p fakes interactive rebase' ' - ( - cd clone1 && - git fetch && - git rebase -p origin/topic && - test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) && - test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l) - ) -' - test_expect_success '--continue works after a conflict' ' ( cd clone2 && @@ -138,15 +96,4 @@ test_expect_success 'rebase -p preserves no-ff merges' ' ) ' -test_expect_success 'rebase -p works when base inside second parent' ' - ( - cd clone4 && - git fetch && - git rebase -p HEAD^2 && - test 1 = $(git rev-list --all --pretty=oneline | grep "Modify A" | wc -l) && - test 1 = $(git rev-list --all --pretty=oneline | grep "Modify B" | wc -l) && - test 1 = $(git rev-list --all --pretty=oneline | grep "Merge remote-tracking branch " | wc -l) - ) -' - test_done diff --git a/t/t3425-rebase-topology-merges.sh b/t/t3425-rebase-topology-merges.sh new file mode 100755 index 0000000..5400a05 --- /dev/null +++ b/t/t3425-rebase-topology-merges.sh @@ -0,0 +1,258 @@ +#!/bin/sh + +test_description='rebase topology tests with merges' +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-rebase.sh + +test_revision_subjects () { + expected="$1" + shift + set -- $(git log --format=%s --no-walk=unsorted "$@") + test "$expected" = "$*" +} + +# a---b-----------c +# \ \ +# d-------e \ +# \ \ \ +# n---o---w---v +# \ +# z +test_expect_success 'setup of non-linear-history' ' + test_commit a && + test_commit b && + test_commit c && + git checkout b && + test_commit d && + test_commit e + + git checkout c && + test_commit g && + revert h g && + git checkout d && + cherry_pick G g && + test_commit i && + git checkout b && + test_commit f + + git checkout d && + test_commit n && + test_commit o && + test_merge w e && + test_merge v c && + git checkout o && + test_commit z +' + +test_run_rebase () { + result=$1 + shift + test_expect_$result "rebase $* after merge from upstream" " + reset_rebase && + git rebase $* e w && + test_cmp_rev e HEAD~2 && + test_linear_range 'n o' e.. + " +} +test_run_rebase success '' +test_run_rebase success -m +test_run_rebase success -i + +test_run_rebase () { + result=$1 + shift + expected=$1 + shift + test_expect_$result "rebase $* of non-linear history is linearized in place" " + reset_rebase && + git rebase $* d w && + test_cmp_rev d HEAD~3 && + test_linear_range "\'"$expected"\'" d.. + " +} +#TODO: make order consistent across all flavors of rebase +test_run_rebase success 'e n o' '' +test_run_rebase success 'e n o' -m +test_run_rebase success 'n o e' -i + +test_run_rebase () { + result=$1 + shift + expected=$1 + shift + test_expect_$result "rebase $* of non-linear history is linearized upstream" " + reset_rebase && + git rebase $* c w && + test_cmp_rev c HEAD~4 && + test_linear_range "\'"$expected"\'" c.. + " +} +#TODO: make order consistent across all flavors of rebase +test_run_rebase success 'd e n o' '' +test_run_rebase success 'd e n o' -m +test_run_rebase success 'd n o e' -i + +test_run_rebase () { + result=$1 + shift + expected=$1 + shift + test_expect_$result "rebase $* of non-linear history with merges after upstream merge is linearized" " + reset_rebase && + git rebase $* c v && + test_cmp_rev c HEAD~4 && + test_linear_range "\'"$expected"\'" c.. + " +} +#TODO: make order consistent across all flavors of rebase +test_run_rebase success 'd e n o' '' +test_run_rebase success 'd e n o' -m +test_run_rebase success 'd n o e' -i + +test_expect_success "rebase -p is no-op in non-linear history" " + reset_rebase && + git rebase -p d w && + test_cmp_rev w HEAD +" + +test_expect_success "rebase -p is no-op when base inside second parent" " + reset_rebase && + git rebase -p e w && + test_cmp_rev w HEAD +" + +test_expect_failure "rebase -p --root on non-linear history is a no-op" " + reset_rebase && + git rebase -p --root w && + test_cmp_rev w HEAD +" + +test_expect_success "rebase -p re-creates merge from side branch" " + reset_rebase && + git rebase -p z w && + test_cmp_rev z HEAD^ && + test_cmp_rev w^2 HEAD^2 +" + +test_expect_success "rebase -p re-creates internal merge" " + reset_rebase && + git rebase -p c w && + test_cmp_rev c HEAD~4 && + test_cmp_rev HEAD^2^ HEAD~3 && + test_revision_subjects 'd n e o w' HEAD~3 HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p can re-create two branches on onto" " + reset_rebase && + git rebase -p --onto c d w && + test_cmp_rev c HEAD~3 && + test_cmp_rev c HEAD^2^ && + test_revision_subjects 'n e o w' HEAD~2 HEAD^2 HEAD^ HEAD +" + +# f +# / +# a---b---c---g---h +# \ +# d---G---i +# \ \ +# e-------u +# +# uppercase = cherry-picked +# h = reverted g +test_expect_success 'setup of non-linear-history for patch-equivalence tests' ' + git checkout e && + test_merge u i +' + +test_expect_success "rebase -p re-creates history around dropped commit matching upstream" " + reset_rebase && + git rebase -p h u && + test_cmp_rev h HEAD~3 && + test_cmp_rev HEAD^2^ HEAD~2 && + test_revision_subjects 'd i e u' HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p --onto in merged history drops patches in upstream" " + reset_rebase && + git rebase -p --onto f h u && + test_cmp_rev f HEAD~3 && + test_cmp_rev HEAD^2^ HEAD~2 && + test_revision_subjects 'd i e u' HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p --onto in merged history does not drop patches in onto" " + reset_rebase && + git rebase -p --onto h f u && + test_cmp_rev h HEAD~3 && + test_cmp_rev HEAD^2~2 HEAD~2 && + test_revision_subjects 'd G i e u' HEAD~2 HEAD^2^ HEAD^2 HEAD^ HEAD +" + +# a---b---c---g---h +# \ +# d---G---s +# \ \ / +# \ X +# \ / \ +# e---t +# +# uppercase = cherry-picked +# h = reverted g +test_expect_success 'setup of non-linear-history for dropping whole side' ' + git checkout G && + test_merge s e && + git checkout e && + test_merge t G +' + +test_expect_failure "rebase -p drops merge commit when entire first-parent side is dropped" " + reset_rebase && + git rebase -p h s && + test_cmp_rev h HEAD~2 && + test_linear_range 'd e' h.. +" + +test_expect_success "rebase -p drops merge commit when entire second-parent side is dropped" " + reset_rebase && + git rebase -p h t && + test_cmp_rev h HEAD~2 && + test_linear_range 'd e' h.. +" + +# a---b---c +# \ +# d---e +# \ \ +# n---r +# \ +# o +# +# r = tree-same with n +test_expect_success 'setup of non-linear-history for empty commits' ' + git checkout n && + git merge --no-commit e && + git reset n . && + git commit -m r && + git reset --hard && + git clean -f && + git tag r +' + +test_expect_success "rebase -p re-creates empty internal merge commit" " + reset_rebase && + git rebase -p c r && + test_cmp_rev c HEAD~3 && + test_cmp_rev HEAD^2^ HEAD~2 && + test_revision_subjects 'd e n r' HEAD~2 HEAD^2 HEAD^ HEAD +" + +test_expect_success "rebase -p re-creates empty merge commit" " + reset_rebase && + git rebase -p o r && + test_cmp_rev e HEAD^2 && + test_cmp_rev o HEAD^ && + test_revision_subjects 'r' HEAD +" + +test_done -- 1.8.3.497.g83fddbe