From 2c9e125b2727c33dccdba1b2a46f462b77e10bed Mon Sep 17 00:00:00 2001 From: Denton Liu Date: Tue, 12 Nov 2019 15:07:45 -0800 Subject: [PATCH] t: teach test_cmp_rev to accept ! for not-equals 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") && `! test_cmp_rev` will succeed if any of the rev-parses fail. This behavior is not desired. We want the rev-parses to _always_ be successful. 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. Also, rewrite the rev-parse logic to end with a `|| return 1` instead of &&-chaining into the rev-comparison logic. This makes it obvious to future readers that we explicitly intend on returning early if either of the rev-parses fail. Signed-off-by: Denton Liu Signed-off-by: Junio C Hamano --- t/t2400-worktree-add.sh | 4 ++-- t/t3400-rebase.sh | 2 +- t/t3421-rebase-topology-linear.sh | 6 +++--- t/t3430-rebase-merges.sh | 2 +- t/t3432-rebase-fast-forward.sh | 2 +- t/t3501-revert-cherry-pick.sh | 2 +- t/t3508-cherry-pick-many-commits.sh | 2 +- t/test-lib-functions.sh | 19 +++++++++++++++---- 8 files changed, 25 insertions(+), 14 deletions(-) diff --git a/t/t2400-worktree-add.sh b/t/t2400-worktree-add.sh index e819ba741e..52d476979b 100755 --- a/t/t2400-worktree-add.sh +++ b/t/t2400-worktree-add.sh @@ -438,7 +438,7 @@ test_expect_success 'git worktree add does not match remote' ' cd foo && test_must_fail git config "branch.foo.remote" && test_must_fail git config "branch.foo.merge" && - ! test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo + test_cmp_rev ! refs/remotes/repo_a/foo refs/heads/foo ) ' @@ -483,7 +483,7 @@ test_expect_success 'git worktree --no-guess-remote option overrides config' ' cd foo && test_must_fail git config "branch.foo.remote" && test_must_fail git config "branch.foo.merge" && - ! test_cmp_rev refs/remotes/repo_a/foo refs/heads/foo + test_cmp_rev ! refs/remotes/repo_a/foo refs/heads/foo ) ' diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh index ab18ac5f28..f267f6cd54 100755 --- a/t/t3400-rebase.sh +++ b/t/t3400-rebase.sh @@ -64,7 +64,7 @@ test_expect_success 'rebase sets ORIG_HEAD to pre-rebase state' ' pre="$(git rev-parse --verify HEAD)" && git rebase master && test_cmp_rev "$pre" ORIG_HEAD && - ! test_cmp_rev "$pre" HEAD + test_cmp_rev ! "$pre" HEAD ' test_expect_success 'rebase, with and specified as :/quuxery' ' diff --git a/t/t3421-rebase-topology-linear.sh b/t/t3421-rebase-topology-linear.sh index b847064f91..325072b0a3 100755 --- a/t/t3421-rebase-topology-linear.sh +++ b/t/t3421-rebase-topology-linear.sh @@ -61,7 +61,7 @@ test_run_rebase () { test_expect_$result "rebase $* -f rewrites even if upstream is an ancestor" " reset_rebase && git rebase $* -f b e && - ! test_cmp_rev e HEAD && + test_cmp_rev ! e HEAD && test_cmp_rev b HEAD~2 && test_linear_range 'd e' b.. " @@ -78,7 +78,7 @@ test_run_rebase () { test_expect_$result "rebase $* -f rewrites even if remote upstream is an ancestor" " reset_rebase && git rebase $* -f branch-b branch-e && - ! test_cmp_rev branch-e origin/branch-e && + test_cmp_rev ! branch-e origin/branch-e && test_cmp_rev branch-b HEAD~2 && test_linear_range 'd e' branch-b.. " @@ -368,7 +368,7 @@ test_run_rebase () { test_expect_$result "rebase $* -f --root on linear history causes re-write" " reset_rebase && git rebase $* -f --root c && - ! test_cmp_rev a HEAD~2 && + test_cmp_rev ! a HEAD~2 && test_linear_range 'a b c' HEAD " } diff --git a/t/t3430-rebase-merges.sh b/t/t3430-rebase-merges.sh index 9efcf4808a..abbdc26b1b 100755 --- a/t/t3430-rebase-merges.sh +++ b/t/t3430-rebase-merges.sh @@ -346,7 +346,7 @@ test_expect_success 'A root commit can be a cousin, treat it that way' ' git merge --allow-unrelated-histories khnum && test_tick && git rebase -f -r HEAD^ && - ! test_cmp_rev HEAD^2 khnum && + test_cmp_rev ! HEAD^2 khnum && test_cmp_graph HEAD^.. <<-\EOF && * Merge branch '\''khnum'\'' into asherah |\ diff --git a/t/t3432-rebase-fast-forward.sh b/t/t3432-rebase-fast-forward.sh index 034ffc7e76..92f95b57da 100755 --- a/t/t3432-rebase-fast-forward.sh +++ b/t/t3432-rebase-fast-forward.sh @@ -64,7 +64,7 @@ test_rebase_same_head_ () { test_cmp_rev \$oldhead \$newhead elif test $cmp = diff then - ! test_cmp_rev \$oldhead \$newhead + test_cmp_rev ! \$oldhead \$newhead fi " } diff --git a/t/t3501-revert-cherry-pick.sh b/t/t3501-revert-cherry-pick.sh index d1c68af8c5..1c51a9131d 100755 --- a/t/t3501-revert-cherry-pick.sh +++ b/t/t3501-revert-cherry-pick.sh @@ -106,7 +106,7 @@ test_expect_success 'cherry-pick on unborn branch' ' rm -rf * && git cherry-pick initial && git diff --quiet initial && - ! test_cmp_rev initial HEAD + test_cmp_rev ! initial HEAD ' test_expect_success 'cherry-pick "-" to pick from previous branch' ' diff --git a/t/t3508-cherry-pick-many-commits.sh b/t/t3508-cherry-pick-many-commits.sh index b457333e18..23070a7b73 100755 --- a/t/t3508-cherry-pick-many-commits.sh +++ b/t/t3508-cherry-pick-many-commits.sh @@ -5,7 +5,7 @@ test_description='test cherry-picking many commits' . ./test-lib.sh check_head_differs_from() { - ! test_cmp_rev HEAD "$1" + test_cmp_rev ! HEAD "$1" } check_head_equals() { diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index b299ecc326..efcd96fc9e 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -1012,19 +1012,30 @@ 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 op='=' wrong_result=different + + if test $# -ge 1 && test "x$1" = 'x!' + then + op='!=' + wrong_result='the same' + shift + fi if test $# != 2 then error "bug in the test script: test_cmp_rev requires two revisions, but got $#" else local r1 r2 r1=$(git rev-parse --verify "$1") && - r2=$(git rev-parse --verify "$2") && - if test "$r1" != "$r2" + r2=$(git rev-parse --verify "$2") || return 1 + + if ! test "$r1" "$op" "$r2" then cat >&4 <<-EOF - error: two revisions point to different objects: + error: two revisions point to $wrong_result objects: '$1': $r1 '$2': $r2 EOF -- 2.39.2