halkyon/halkyon_learn_flutter/test/support/loaded_strokes.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:halkyon_learn_flutter/src/feature/kanji/data/stroke_repository.dart';

/// The bundled strokes of [characters] in [language], read already:
/// reading an asset is real input, which a widget test's fake clock never
/// lets finish, so it happens outside it and the app gets this repository
/// (`testDependencies(strokes: ...)`).
Future<StrokeRepository> loadedStrokes(
  WidgetTester tester,
  Iterable<String> characters, {
  String? language,
}) async {
  final strokes = StrokeRepository();
  await tester.runAsync(() async {
    for (final character in characters) {
      await strokes.strokesOf(character, language: language);
    }
  });
  return strokes;
}