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-rwxr-xr-xt/t5318-commit-graph.sh44
1 files changed, 37 insertions, 7 deletions
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 561796f..840ad4d 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -75,7 +75,7 @@ graph_read_expect() {
test_expect_success 'write graph' '
cd "$TRASH_DIRECTORY/full" &&
- graph1=$(git commit-graph write) &&
+ git commit-graph write &&
test_path_is_file $objdir/info/commit-graph &&
graph_read_expect "3"
'
@@ -366,6 +366,26 @@ GRAPH_OCTOPUS_DATA_OFFSET=$(($GRAPH_COMMIT_DATA_OFFSET + \
GRAPH_BYTE_OCTOPUS=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4))
GRAPH_BYTE_FOOTER=$(($GRAPH_OCTOPUS_DATA_OFFSET + 4 * $NUM_OCTOPUS_EDGES))
+corrupt_graph_setup() {
+ cd "$TRASH_DIRECTORY/full" &&
+ test_when_finished mv commit-graph-backup $objdir/info/commit-graph &&
+ cp $objdir/info/commit-graph commit-graph-backup
+}
+
+corrupt_graph_verify() {
+ grepstr=$1
+ test_must_fail git commit-graph verify 2>test_err &&
+ grep -v "^+" test_err >err &&
+ test_i18ngrep "$grepstr" err &&
+ if test "$2" != "no-copy"
+ then
+ cp $objdir/info/commit-graph commit-graph-pre-write-test
+ fi &&
+ git status --short &&
+ GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD=true git commit-graph write &&
+ git commit-graph verify
+}
+
# usage: corrupt_graph_and_verify <position> <data> <string> [<zero_pos>]
# Manipulates the commit-graph file at the position
# by inserting the data, optionally zeroing the file
@@ -376,19 +396,28 @@ corrupt_graph_and_verify() {
pos=$1
data="${2:-\0}"
grepstr=$3
- cd "$TRASH_DIRECTORY/full" &&
+ corrupt_graph_setup &&
orig_size=$(wc -c < $objdir/info/commit-graph) &&
zero_pos=${4:-${orig_size}} &&
- test_when_finished mv commit-graph-backup $objdir/info/commit-graph &&
- cp $objdir/info/commit-graph commit-graph-backup &&
printf "$data" | dd of="$objdir/info/commit-graph" bs=1 seek="$pos" conv=notrunc &&
dd of="$objdir/info/commit-graph" bs=1 seek="$zero_pos" if=/dev/null &&
generate_zero_bytes $(($orig_size - $zero_pos)) >>"$objdir/info/commit-graph" &&
- test_must_fail git commit-graph verify 2>test_err &&
- grep -v "^+" test_err >err &&
- test_i18ngrep "$grepstr" err
+ corrupt_graph_verify "$grepstr"
+
}
+test_expect_success POSIXPERM,SANITY 'detect permission problem' '
+ corrupt_graph_setup &&
+ chmod 000 $objdir/info/commit-graph &&
+ corrupt_graph_verify "Could not open" "no-copy"
+'
+
+test_expect_success 'detect too small' '
+ corrupt_graph_setup &&
+ echo "a small graph" >$objdir/info/commit-graph &&
+ corrupt_graph_verify "too small"
+'
+
test_expect_success 'detect bad signature' '
corrupt_graph_and_verify 0 "\0" \
"graph signature"
@@ -499,6 +528,7 @@ test_expect_success 'git fsck (checks commit-graph)' '
git fsck &&
corrupt_graph_and_verify $GRAPH_BYTE_FOOTER "\00" \
"incorrect checksum" &&
+ cp commit-graph-pre-write-test $objdir/info/commit-graph &&
test_must_fail git fsck
'