[PATCH v2 1/2] [Outreachy] t3903-stash: test without configured user.name and user.email

[Slavica Djukic]

Add test to document that stash fails if user.name and user.email
are not configured.
In the later commit, test will be updated to expect success.

Signed-off-by: Slavica Djukic <slawic...@hotmail.com>
---
 t/t3903-stash.sh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh
index cd216655b..bab8bec67 100755
--- a/t/t3903-stash.sh
+++ b/t/t3903-stash.sh
@@ -1096,4 +1096,27 @@ test_expect_success 'stash -- <subdir> works with binary 
files' '
        test_path_is_file subdir/untracked
 '
 
+test_expect_failure 'stash works when user.name and user.email are not set' '
+       git reset &&
+       git var GIT_COMMITTER_IDENT >expected &&
+       >1 &&
+       git add 1 &&
+       git stash &&
+       git var GIT_COMMITTER_IDENT >actual &&
+       test_cmp expected actual &&
+       >2 &&
+       git add 2 &&
+       test_config user.useconfigonly true &&
+       test_config stash.usebuiltin true &&
+       (
+               sane_unset GIT_AUTHOR_NAME &&
+               sane_unset GIT_AUTHOR_EMAIL &&
+               sane_unset GIT_COMMITTER_NAME &&
+               sane_unset GIT_COMMITTER_EMAIL &&
+               test_unconfig user.email &&
+               test_unconfig user.name &&
+               git stash
+       )
+'
+
 test_done
-- 
2.19.1.1052.gd166e6afe