import 'dart:io';

import 'package:flutter_test/flutter_test.dart';
import 'package:marianum_mobile/utils/directory_size.dart';

void main() {
  late Directory tmp;

  setUp(() => tmp = Directory.systemTemp.createTempSync('dir_size_test'));
  tearDown(() => tmp.deleteSync(recursive: true));

  test('sums files recursively', () async {
    File('${tmp.path}/a').writeAsBytesSync(List.filled(10, 0));
    Directory('${tmp.path}/sub').createSync();
    File('${tmp.path}/sub/b').writeAsBytesSync(List.filled(5, 0));
    expect(await directorySize(tmp), 15);
  });

  test('returns 0 for a missing directory', () async {
    expect(await directorySize(Directory('${tmp.path}/missing')), 0);
  });
}