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#!/usr/bin/env bash
# Test block-clone functionality on temporary Btrfs and XFS loopback filesystems.
#
# Requires: root/sudo, btrfs-progs (mkfs.btrfs), xfsprogs (mkfs.xfs)
#
# Usage:
# sudo ./scripts/test_scripts/block-clone-test.sh [path-to-zencore-test]
#
# If no path is given, defaults to build/linux/x86_64/debug/zencore-test
# relative to the repository root.
#
# Options:
# --btrfs-only Only test Btrfs
# --xfs-only Only test XFS
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
TEST_BINARY=""
RUN_BTRFS=true
RUN_XFS=true
for arg in "$@"; do
case "$arg" in
--btrfs-only) RUN_XFS=false ;;
--xfs-only) RUN_BTRFS=false ;;
*) TEST_BINARY="$arg" ;;
esac
done
TEST_BINARY="${TEST_BINARY:-$REPO_ROOT/build/linux/x86_64/debug/zencore-test}"
IMAGE_SIZE="512M"
TEST_CASES="TryCloneFile,CopyFile.Clone,SupportsBlockRefCounting,CloneQueryInterface"
# Track all temp files for cleanup
CLEANUP_MOUNTS=()
CLEANUP_DIRS=()
CLEANUP_FILES=()
cleanup() {
local exit_code=$?
set +e
for mnt in "${CLEANUP_MOUNTS[@]}"; do
if mountpoint -q "$mnt" 2>/dev/null; then
umount "$mnt"
fi
done
for dir in "${CLEANUP_DIRS[@]}"; do
[ -d "$dir" ] && rmdir "$dir"
done
for f in "${CLEANUP_FILES[@]}"; do
[ -f "$f" ] && rm -f "$f"
done
if [ $exit_code -ne 0 ]; then
echo "FAILED (exit code $exit_code)"
fi
exit $exit_code
}
trap cleanup EXIT
# --- Preflight checks ---
if [ "$(id -u)" -ne 0 ]; then
echo "error: this script must be run as root (for mount/umount)" >&2
exit 1
fi
if [ ! -x "$TEST_BINARY" ]; then
echo "error: test binary not found or not executable: $TEST_BINARY" >&2
echo "hint: build with 'xmake config -m debug && xmake build zencore-test'" >&2
exit 1
fi
if $RUN_BTRFS && ! command -v mkfs.btrfs &>/dev/null; then
echo "warning: mkfs.btrfs not found — install btrfs-progs to test Btrfs, skipping" >&2
RUN_BTRFS=false
fi
if $RUN_XFS && ! command -v mkfs.xfs &>/dev/null; then
echo "warning: mkfs.xfs not found — install xfsprogs to test XFS, skipping" >&2
RUN_XFS=false
fi
if ! $RUN_BTRFS && ! $RUN_XFS; then
echo "error: no filesystems to test" >&2
exit 1
fi
# --- Helper to create, mount, and run tests on a loopback filesystem ---
run_tests_on_fs() {
local fs_type="$1"
local mkfs_cmd="$2"
echo ""
echo "========================================"
echo " Testing block-clone on $fs_type"
echo "========================================"
local image_path mount_path
image_path="$(mktemp "/tmp/${fs_type}-clone-test-XXXXXX.img")"
mount_path="$(mktemp -d "/tmp/${fs_type}-clone-mount-XXXXXX")"
CLEANUP_FILES+=("$image_path")
CLEANUP_DIRS+=("$mount_path")
CLEANUP_MOUNTS+=("$mount_path")
echo "Creating ${IMAGE_SIZE} ${fs_type} image at ${image_path} ..."
truncate -s "$IMAGE_SIZE" "$image_path"
$mkfs_cmd "$image_path"
echo "Mounting at ${mount_path} ..."
mount -o loop "$image_path" "$mount_path"
chmod 777 "$mount_path"
echo "Copying test binary ..."
cp "$TEST_BINARY" "$mount_path/zencore-test"
chmod +x "$mount_path/zencore-test"
echo "Running tests ..."
echo "---"
"$mount_path/zencore-test" \
--test-suite="core.filesystem" \
--test-case="$TEST_CASES"
echo "---"
echo "$fs_type: all block-clone tests passed."
}
# --- Run ---
if $RUN_BTRFS; then
run_tests_on_fs "btrfs" "mkfs.btrfs -q"
fi
if $RUN_XFS; then
run_tests_on_fs "xfs" "mkfs.xfs -q -m reflink=1"
fi
echo ""
echo "All block-clone tests passed."
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