import 'package:flutter_test/flutter_test.dart';
import 'package:marianum_mobile/view/pages/files/data/webdav_path.dart';

void main() {
  group('webdavSegmentsOf', () {
    test('root is empty', () {
      expect(webdavSegmentsOf(''), isEmpty);
      expect(webdavSegmentsOf('/'), isEmpty);
    });

    test('strips edge slashes of folders and files', () {
      expect(webdavSegmentsOf('a/b/'), ['a', 'b']);
      expect(webdavSegmentsOf('/a/b/c.txt'), ['a', 'b', 'c.txt']);
    });
  });

  group('webdavParentSegmentsOf', () {
    test('drops the last segment', () {
      expect(webdavParentSegmentsOf('a/b/c.txt'), ['a', 'b']);
      expect(webdavParentSegmentsOf('a/'), isEmpty);
    });

    test('root has no parent', () {
      expect(webdavParentSegmentsOf(''), isEmpty);
    });
  });

  test('webdavFolderPath ends folders with a slash, root stays empty', () {
    expect(webdavFolderPath(const []), '');
    expect(webdavFolderPath(const ['a', 'b']), 'a/b/');
  });

  test('webdavJoin marks directories with a trailing slash', () {
    expect(webdavJoin('a/', 'b', isDirectory: true), 'a/b/');
    expect(webdavJoin('', 'c.txt', isDirectory: false), 'c.txt');
  });

  test('listFilesCacheKey maps root to a single slash', () {
    expect(listFilesCacheKey(const []), '/');
    expect(listFilesCacheKey(const ['a', 'b']), 'a/b');
  });

  test('folder path round-trips through segments', () {
    const segments = ['Schule', 'Mathe'];
    expect(webdavSegmentsOf(webdavFolderPath(segments)), segments);
  });
}