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-rwxr-xr-xt/t3305-notes-fanout.sh101
1 files changed, 76 insertions, 25 deletions
diff --git a/t/t3305-notes-fanout.sh b/t/t3305-notes-fanout.sh
index 831f83d211..402057c83a 100755
--- a/t/t3305-notes-fanout.sh
+++ b/t/t3305-notes-fanout.sh
@@ -4,6 +4,32 @@ test_description='Test that adding/removing many notes triggers automatic fanout
. ./test-lib.sh
+path_has_fanout() {
+ path=$1 &&
+ fanout=$2 &&
+ after_last_slash=$((40 - $fanout * 2)) &&
+ echo $path | grep -q "^\([0-9a-f]\{2\}/\)\{$fanout\}[0-9a-f]\{$after_last_slash\}$"
+}
+
+touched_one_note_with_fanout() {
+ notes_commit=$1 &&
+ modification=$2 && # 'A' for addition, 'D' for deletion
+ fanout=$3 &&
+ diff=$(git diff-tree --no-commit-id --name-status --root -r $notes_commit) &&
+ path=$(echo $diff | sed -e "s/^$modification[\t ]//") &&
+ path_has_fanout "$path" $fanout;
+}
+
+all_notes_have_fanout() {
+ notes_commit=$1 &&
+ fanout=$2 &&
+ git ls-tree -r --name-only $notes_commit 2>/dev/null |
+ while read path
+ do
+ path_has_fanout $path $fanout || return 1
+ done
+}
+
test_expect_success 'creating many notes with git-notes' '
num_notes=300 &&
i=0 &&
@@ -20,7 +46,7 @@ test_expect_success 'creating many notes with git-notes' '
test_expect_success 'many notes created correctly with git-notes' '
git log | grep "^ " > output &&
- i=300 &&
+ i=$num_notes &&
while test $i -gt 0
do
echo " commit #$i" &&
@@ -30,34 +56,46 @@ test_expect_success 'many notes created correctly with git-notes' '
test_cmp expect output
'
-test_expect_success 'many notes created with git-notes triggers fanout' '
- # Expect entire notes tree to have a fanout == 1
- git ls-tree -r --name-only refs/notes/commits |
- while read path
+test_expect_success 'stable fanout 0 is followed by stable fanout 1' '
+ i=$num_notes &&
+ fanout=0 &&
+ while test $i -gt 0
do
- echo $path | grep "^../[0-9a-f]*$" || {
- echo "Invalid path \"$path\"" &&
- return 1;
- }
- done
+ i=$(($i - 1)) &&
+ if touched_one_note_with_fanout refs/notes/commits~$i A $fanout
+ then
+ continue
+ elif test $fanout -eq 0
+ then
+ fanout=1 &&
+ if all_notes_have_fanout refs/notes/commits~$i $fanout
+ then
+ echo "Fanout 0 -> 1 at refs/notes/commits~$i" &&
+ continue
+ fi
+ fi &&
+ echo "Failed fanout=$fanout check at refs/notes/commits~$i" &&
+ git ls-tree -r --name-only refs/notes/commits~$i &&
+ return 1
+ done &&
+ all_notes_have_fanout refs/notes/commits 1
'
test_expect_success 'deleting most notes with git-notes' '
- num_notes=250 &&
+ remove_notes=285 &&
i=0 &&
git rev-list HEAD |
- while test $i -lt $num_notes && read sha1
+ while test $i -lt $remove_notes && read sha1
do
i=$(($i + 1)) &&
test_tick &&
- git notes remove "$sha1" ||
- exit 1
+ git notes remove "$sha1" 2>/dev/null || return 1
done
'
test_expect_success 'most notes deleted correctly with git-notes' '
- git log HEAD~250 | grep "^ " > output &&
- i=50 &&
+ git log HEAD~$remove_notes | grep "^ " > output &&
+ i=$(($num_notes - $remove_notes)) &&
while test $i -gt 0
do
echo " commit #$i" &&
@@ -67,16 +105,29 @@ test_expect_success 'most notes deleted correctly with git-notes' '
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
+test_expect_success 'stable fanout 1 is followed by stable fanout 0' '
+ i=$remove_notes &&
+ fanout=1 &&
+ while test $i -gt 0
do
- echo $path | grep -v "^../.*" || {
- echo "Invalid path \"$path\"" &&
- return 1;
- }
- done
+ i=$(($i - 1)) &&
+ if touched_one_note_with_fanout refs/notes/commits~$i D $fanout
+ then
+ continue
+ elif test $fanout -eq 1
+ then
+ fanout=0 &&
+ if all_notes_have_fanout refs/notes/commits~$i $fanout
+ then
+ echo "Fanout 1 -> 0 at refs/notes/commits~$i" &&
+ continue
+ fi
+ fi &&
+ echo "Failed fanout=$fanout check at refs/notes/commits~$i" &&
+ git ls-tree -r --name-only refs/notes/commits~$i &&
+ return 1
+ done &&
+ all_notes_have_fanout refs/notes/commits 0
'
test_done