Files
2023-04-04 02:47:46 +05:30

110 lines
3.4 KiB
Dart

// ignore_for_file: omit_local_variable_types
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:stream_chat_localizations/stream_chat_localizations.dart';
void main() {
testWidgets('Nested Localizations', (WidgetTester tester) async {
await tester.pumpWidget(MaterialApp(
// Creates the outer Localizations widget.
home: ListView(
children: <Widget>[
const LocalizationTracker(key: ValueKey<String>('outer')),
Localizations(
locale: const Locale('hi'),
delegates: GlobalStreamChatLocalizations.delegates,
child: const LocalizationTracker(key: ValueKey<String>('inner')),
),
],
),
));
final LocalizationTrackerState outerTracker = tester.state(
find.byKey(const ValueKey<String>('outer'), skipOffstage: false));
expect(outerTracker.captionFontSize, 12.0);
final LocalizationTrackerState innerTracker = tester.state(
find.byKey(const ValueKey<String>('inner'), skipOffstage: false));
expect(innerTracker.captionFontSize, 13.0);
});
testWidgets(
'Localizations is compatible with ChangeNotifier.dispose() called '
'during didChangeDependencies',
(WidgetTester tester) async {
// PageView calls ScrollPosition.dispose() during didChangeDependencies.
await tester.pumpWidget(MaterialApp(
supportedLocales: const <Locale>[
Locale('en', 'US'),
Locale('hi', 'IN'),
],
localizationsDelegates: const [
DummyLocalizations.delegate,
GlobalStreamChatLocalizations.delegate,
GlobalMaterialLocalizations.delegate,
GlobalCupertinoLocalizations.delegate,
],
home: PageView(),
));
await tester.binding.setLocale('hi', 'IN');
await tester.pump();
await tester.pumpWidget(Container());
},
);
testWidgets('Locale without countryCode', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/pull/16782
await tester.pumpWidget(MaterialApp(
localizationsDelegates: GlobalStreamChatLocalizations.delegates,
supportedLocales: const <Locale>[
Locale('en', 'US'),
Locale('hi'),
],
home: Container(),
));
await tester.binding.setLocale('hi', '');
await tester.pump();
await tester.binding.setLocale('en', 'US');
await tester.pump();
});
}
/// A localizations delegate that does not contain any useful data, and is only
/// used to trigger didChangeDependencies upon locale change.
class _DummyLocalizationsDelegate
extends LocalizationsDelegate<DummyLocalizations> {
const _DummyLocalizationsDelegate();
@override
Future<DummyLocalizations> load(Locale locale) async => DummyLocalizations();
@override
bool isSupported(Locale locale) => true;
@override
bool shouldReload(_DummyLocalizationsDelegate old) => true;
}
class DummyLocalizations {
static const delegate = _DummyLocalizationsDelegate();
}
class LocalizationTracker extends StatefulWidget {
const LocalizationTracker({super.key});
@override
State<StatefulWidget> createState() => LocalizationTrackerState();
}
class LocalizationTrackerState extends State<LocalizationTracker> {
late double captionFontSize;
@override
Widget build(BuildContext context) {
captionFontSize = Theme.of(context).textTheme.bodySmall!.fontSize!;
return Container();
}
}