t3301: verify that 'git notes' removes empty notes by default

Add test cases documenting the current behavior when trying to
add/append/edit empty notes. This is in preparation for adding
--allow-empty; to allow empty notes to be stored.

Improved-by: Eric Sunshine <sunshine@sunshineco.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Johan Herland <johan@herland.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t3301-notes.sh b/t/t3301-notes.sh
index cfd67ff3dfc64b160bbc53318df3eb661970f2e1..f74b3fa335235e61d91e7e2fb2947b637a9b425c 100755 (executable)
--- a/t/t3301-notes.sh
+++ b/t/t3301-notes.sh
@@ -1239,4 +1239,31 @@ test_expect_success 'git notes get-ref (--ref)' '
        test "$(GIT_NOTES_REF=refs/notes/bar git notes --ref=baz get-ref)" = "refs/notes/baz"
 '
 
+test_expect_success 'setup testing of empty notes' '
+       test_unconfig core.notesRef &&
+       test_commit 16th &&
+       empty_blob=$(git hash-object -w /dev/null)
+'
+
+while read cmd
+do
+       test_expect_success "'git notes $cmd' removes empty note" "
+               test_might_fail git notes remove HEAD &&
+               MSG= git notes $cmd &&
+               test_must_fail git notes list HEAD
+       "
+done <<\EOF
+add
+add -F /dev/null
+add -m ""
+add -c "$empty_blob"
+add -C "$empty_blob"
+append
+append -F /dev/null
+append -m ""
+append -c "$empty_blob"
+append -C "$empty_blob"
+edit
+EOF
+
 test_done