rebase: add regression tests for console output

Check the console output when using --autostash and the stash applies
cleanly is what we expect. The test is quite strict but should catch
any changes to the console output from the various rebase flavors.

Thanks-to: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t3420-rebase-autostash.sh b/t/t3420-rebase-autostash.sh
index ab8a63e..827ea7f 100755 (executable)
--- a/t/t3420-rebase-autostash.sh
+++ b/t/t3420-rebase-autostash.sh
@@ -33,7 +33,62 @@ test_expect_success setup '
        git commit -m "related commit"
 '
 
-testrebase() {
+create_expected_success_am () {
+       cat >expected <<-EOF
+       $(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
+       HEAD is now at $(git rev-parse --short feature-branch) third commit
+       First, rewinding head to replay your work on top of it...
+       Applying: second commit
+       Applying: third commit
+       Applied autostash.
+       EOF
+}
+
+create_expected_success_interactive () {
+       q_to_cr >expected <<-EOF
+       $(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
+       HEAD is now at $(git rev-parse --short feature-branch) third commit
+       Rebasing (1/2)QRebasing (2/2)QApplied autostash.
+       Successfully rebased and updated refs/heads/rebased-feature-branch.
+       EOF
+}
+
+create_expected_success_merge () {
+       cat >expected <<-EOF
+       $(grep "^Created autostash: [0-9a-f][0-9a-f]*\$" actual)
+       HEAD is now at $(git rev-parse --short feature-branch) third commit
+       First, rewinding head to replay your work on top of it...
+       Merging unrelated-onto-branch with HEAD~1
+       Merging:
+       $(git rev-parse --short unrelated-onto-branch) unrelated commit
+       $(git rev-parse --short feature-branch^) second commit
+       found 1 common ancestor:
+       $(git rev-parse --short feature-branch~2) initial commit
+       [detached HEAD $(git rev-parse --short rebased-feature-branch~1)] second commit
+        Author: A U Thor <author@example.com>
+        Date: Thu Apr 7 15:14:13 2005 -0700
+        2 files changed, 2 insertions(+)
+        create mode 100644 file1
+        create mode 100644 file2
+       Committed: 0001 second commit
+       Merging unrelated-onto-branch with HEAD~0
+       Merging:
+       $(git rev-parse --short rebased-feature-branch~1) second commit
+       $(git rev-parse --short feature-branch) third commit
+       found 1 common ancestor:
+       $(git rev-parse --short feature-branch~1) second commit
+       [detached HEAD $(git rev-parse --short rebased-feature-branch)] third commit
+        Author: A U Thor <author@example.com>
+        Date: Thu Apr 7 15:15:13 2005 -0700
+        1 file changed, 1 insertion(+)
+        create mode 100644 file3
+       Committed: 0002 third commit
+       All done.
+       Applied autostash.
+       EOF
+}
+
+testrebase () {
        type=$1
        dotest=$2
 
@@ -51,14 +106,20 @@ testrebase() {
                test_config rebase.autostash true &&
                git reset --hard &&
                git checkout -b rebased-feature-branch feature-branch &&
-               test_when_finished git branch -D rebased-feature-branch &&
                echo dirty >>file3 &&
-               git rebase$type unrelated-onto-branch &&
+               git rebase$type unrelated-onto-branch >actual 2>&1 &&
                grep unrelated file4 &&
                grep dirty file3 &&
                git checkout feature-branch
        '
 
+       test_expect_success "rebase$type --autostash: check output" '
+               test_when_finished git branch -D rebased-feature-branch &&
+               suffix=${type#\ --} && suffix=${suffix:-am} &&
+               create_expected_success_$suffix &&
+               test_cmp expected actual
+       '
+
        test_expect_success "rebase$type: dirty index, non-conflicting rebase" '
                test_config rebase.autostash true &&
                git reset --hard &&