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|
#!/bin/sh
test_description='Test that adding/removing many notes triggers automatic fanout restructuring'
. ./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 'tweak test environment' '
git checkout -b nondeterminism &&
test_commit A &&
git checkout --orphan with_notes;
'
test_expect_success 'creating many notes with git-notes' '
num_notes=300 &&
i=0 &&
while test $i -lt $num_notes
do
i=$(($i + 1)) &&
test_tick &&
echo "file for commit #$i" > file &&
git add file &&
git commit -q -m "commit #$i" &&
git notes add -m "note #$i" || return 1
done
'
test_expect_success 'many notes created correctly with git-notes' '
git log | grep "^ " > output &&
i=$num_notes &&
while test $i -gt 0
do
echo " commit #$i" &&
echo " note #$i" &&
i=$(($i - 1));
done > expect &&
test_cmp expect output
'
test_expect_success 'stable fanout 0 is followed by stable fanout 1' '
i=$num_notes &&
fanout=0 &&
while test $i -gt 0
do
i=$(($i - 1)) &&
if touched_one_note_with_fanout refs/notes/commits~$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' '
remove_notes=285 &&
i=0 &&
git rev-list HEAD |
while test $i -lt $remove_notes && read sha1
do
i=$(($i + 1)) &&
test_tick &&
git notes remove "$sha1" 2>/dev/null || return 1
done
'
test_expect_success 'most notes deleted correctly with git-notes' '
git log HEAD~$remove_notes | grep "^ " > output &&
i=$(($num_notes - $remove_notes)) &&
while test $i -gt 0
do
echo " commit #$i" &&
echo " note #$i" &&
i=$(($i - 1));
done > expect &&
test_cmp expect output
'
test_expect_success 'stable fanout 1 is followed by stable fanout 0' '
i=$remove_notes &&
fanout=1 &&
while test $i -gt 0
do
i=$(($i - 1)) &&
if touched_one_note_with_fanout refs/notes/commits~$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
|
