library fileapi;
import '../../pkg/unittest/lib/unittest.dart';
import '../../pkg/unittest/lib/html_individual_config.dart';
import 'dart:html';

void fail(message) {
  guardAsync(() {
    expect(false, isTrue, reason: message);
  });
}

FileSystem fs;

main() {
  useHtmlIndividualConfiguration();

  group('supported', () {
    test('supported', () {
      expect(FileSystem.supported, true);
    });
  });

  getFileSystem() {
    window.requestFileSystem(Window.TEMPORARY, 100,
        expectAsync1((FileSystem fileSystem) {
          fs = fileSystem;
        }),
        (e) {
          fail('Got file error: ${e.code}');
        });
  }

  group('unsupported_throws', () {
    test('requestFileSystem', () {
      var expectation = FileSystem.supported ? returnsNormally : throws;
      expect(() {
        window.requestFileSystem(Window.TEMPORARY, 100, (_) {}, (_) {});
      }, expectation);
    });
  });

  group('getDirectory', () {
    if (FileSystem.supported) {
      test('getFileSystem', getFileSystem);

      test('directoryDoesntExist', () {
        fs.root.getDirectory(
            'directory2',
            options: {},
            successCallback: (e) {
              fail('Should not be reached');
            },
            errorCallback: expectAsync1((FileError e) {
              expect(e.code, equals(FileError.NOT_FOUND_ERR));
            }));
        });

      test('directoryCreate', () {
        fs.root.getDirectory(
            'directory3',
            options: {'create': true},
            successCallback: expectAsync1((DirectoryEntry e) {
              expect(e.name, equals('directory3'));
            }),
            errorCallback: (e) {
              fail('Got file error: ${e.code}');
            });
        });
    }
  });

  group('getFile', () {
    if (FileSystem.supported) {
      test('getFileSystem', getFileSystem);

      test('fileDoesntExist', () {
        fs.root.getFile(
            'file2',
            options: {},
            successCallback: (e) {
              fail('Should not be reached');
            },
            errorCallback: expectAsync1((FileError e) {
              expect(e.code, equals(FileError.NOT_FOUND_ERR));
            }));
      });

      test('fileCreate', () {
        fs.root.getFile(
            'file4',
            options: {'create': true},
            successCallback: expectAsync1((FileEntry e) {
              expect(e.name, equals('file4'));
              expect(e.isFile, isTrue);
            }),
            errorCallback: (e) {
              fail('Got file error: ${e.code}');
            });
        });
    }
  });
}