#!/bin/sh
set -eu

script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
test_dir=$(mktemp -d)
trap 'rm -rf "$test_dir"' EXIT

mkdir -p "$test_dir/source/subdir"
printf '%s\n' 'hello' > "$test_dir/source/file.txt"
mkdir -p "$test_dir/target"

IMAGE_STORAGE_SOURCE="$test_dir/source" \
IMAGE_STORAGE_DESTINATION="$test_dir/target" \
  sh "$script_dir/restore-image-storage.sh" >/dev/null

[ -f "$test_dir/target/file.txt" ]
[ "$(cat "$test_dir/target/file.txt")" = 'hello' ]

if IMAGE_STORAGE_SOURCE="$test_dir/missing" \
  IMAGE_STORAGE_DESTINATION="$test_dir/target" \
  sh "$script_dir/restore-image-storage.sh" >/dev/null 2>&1; then
  printf '%s\n' 'Expected missing source to fail.' >&2
  exit 1
fi

printf '%s\n' 'restore-image-storage tests passed.'