localization testing

localization_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:localization_wo_context/generated/l10n.dart';
import 'package:localization_wo_context/generated/l10n.dart';
import 'package:localization_wo_context/generated/l10n.dart';

late final appNavKey;

void main() {
  setUpAll(() {
    appNavKey = GlobalKey<NavigatorState>();
  });

  testWidgets('model test', (WidgetTester tester) async {
    child:
    MaterialApp(
        navigatorKey: appNavKey,
        localizationsDelegates: const [
          S.delegate,
          GlobalMaterialLocalizations.delegate,
          GlobalWidgetsLocalizations.delegate,
          GlobalCupertinoLocalizations.delegate,
        ],
        supportedLocales: const [
          Locale('en'),
         // Locale('de'),
        ],
        home: Container());

    // builds on the hook in the MaterialApp wrapper parameter
    // navigatorKey so that we can grab the global ref once
    // the MaterialApp wrapper is test pumped
    BuildContext testAppContext = appNavKey.currentState!.context;

    // So now we can test the Model that has localizations
    //by using
    // LocalizationClassSingeton.of(testAppppContect)!.loremIpsum
    //
  });
}