baron-sso/userfront/test/locale_storage_platform_test.dart

import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:userfront/core/i18n/locale_storage.dart';
import 'package:userfront/core/i18n/locale_storage_backend.dart';

void main() {
  setUp(() {
    LocaleStorage.setTestModeForTests(LocaleStorageTestMode.normal);
    LocaleStorage.clearForTests();
  });

  tearDown(() {
    LocaleStorage.setTestModeForTests(LocaleStorageTestMode.normal);
    LocaleStorage.clearForTests();
  });

  test('localStorage write/read (웹)', () {
    if (!kIsWeb) {
      return;
    }

    LocaleStorage.write('ko');
    expect(LocaleStorage.read(), 'ko');

    final state = LocaleStorage.debugStateForTests();
    expect(state.localCurrent, 'ko');
    expect(state.sessionCurrent, isNull);
    expect(state.memoryCurrent, isNull);
  }, skip: !kIsWeb);

  test('legacy key에서 locale로 마이그레이션 (웹)', () {
    if (!kIsWeb) {
      return;
    }

    LocaleStorage.seedLegacyForTests('en');
    expect(LocaleStorage.read(), 'en');

    final state = LocaleStorage.debugStateForTests();
    expect(state.localCurrent, 'en');
    expect(state.localLegacy, isNull);
  }, skip: !kIsWeb);

  test('localStorage 접근이 차단되면 메모리 fallback (웹)', () {
    if (!kIsWeb) {
      return;
    }

    LocaleStorage.forceMemoryStorageForTests(true);

    LocaleStorage.write('en');
    expect(LocaleStorage.read(), 'en');

    final state = LocaleStorage.debugStateForTests();
    expect(state.localCurrent, isNull);
    expect(state.sessionCurrent, isNull);
    expect(state.memoryCurrent, 'en');
  }, skip: !kIsWeb);

  test('localStorage 접근이 차단되면 sessionStorage로 fallback (웹)', () {
    if (!kIsWeb) {
      return;
    }

    LocaleStorage.forceSessionStorageForTests(true);

    LocaleStorage.write('ko');
    expect(LocaleStorage.read(), 'ko');

    final state = LocaleStorage.debugStateForTests();
    expect(state.localCurrent, isNull);
    expect(state.sessionCurrent, 'ko');
    expect(state.memoryCurrent, isNull);
  }, skip: !kIsWeb);
}