t3305: Verify that removing notes triggers automatic fanout consolidation

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

diff --git a/t/t3305-notes-fanout.sh b/t/t3305-notes-fanout.sh
index 823b0ff23b981e898de6930d0f5aa37e31966fad..c6d263b236248c488ddfb3d0e63978896da8b057 100755 (executable)
--- a/t/t3305-notes-fanout.sh
+++ b/t/t3305-notes-fanout.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-test_description='Test that adding many notes triggers automatic fanout restructuring'
+test_description='Test that adding/removing many notes triggers automatic fanout restructuring'
 
 . ./test-lib.sh
 
@@ -47,4 +47,49 @@ test_expect_success 'many notes created with git-notes triggers fanout' '
        done
 '
 
+test_expect_success 'deleting most notes with git-notes' '
+       num_notes=250 &&
+       i=0 &&
+       git rev-list HEAD |
+       while read sha1
+       do
+               i=$(($i + 1)) &&
+               if test $i -gt $num_notes
+               then
+                       break
+               fi &&
+               test_tick &&
+               git notes remove "$sha1"
+       done
+'
+
+test_expect_success 'most notes deleted correctly with git-notes' '
+       git log HEAD~250 | grep "^    " > output &&
+       i=50 &&
+       while test $i -gt 0
+       do
+               echo "    commit #$i" &&
+               echo "    note #$i" &&
+               i=$(($i - 1));
+       done > expect &&
+       test_cmp expect output
+'
+
+test_expect_success 'deleting most notes triggers fanout consolidation' '
+       # Expect entire notes tree to have a fanout == 0
+       git ls-tree -r --name-only refs/notes/commits |
+       while read path
+       do
+               case "$path" in
+               ????????????????????????????????????????)
+                       : true
+                       ;;
+               *)
+                       echo "Invalid path \"$path\"" &&
+                       return 1
+                       ;;
+               esac
+       done
+'
+
 test_done