blob: 0d59fdb6f5da17429452b4aa692e3f8dc3c367a8 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/widgets.dart';
import 'package:flutter_test/flutter_test.dart';
const Color kTitleColor = Color(0xFF333333);
const String kTitleString = 'Hello World';
Future<void> pumpApp(WidgetTester tester, { GenerateAppTitle? onGenerateTitle }) async {
await tester.pumpWidget(
WidgetsApp(
supportedLocales: const <Locale>[
Locale('en', 'US'),
Locale('en', 'GB'),
],
title: kTitleString,
color: kTitleColor,
onGenerateTitle: onGenerateTitle,
onGenerateRoute: (RouteSettings settings) {
return PageRouteBuilder<void>(
pageBuilder: (BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation) {
return Container();
},
);
},
),
);
}
void main() {
testWidgets('Specified title and color are used to build a Title', (WidgetTester tester) async {
await pumpApp(tester);
expect(tester.widget<Title>(find.byType(Title)).title, kTitleString);
expect(tester.widget<Title>(find.byType(Title)).color, kTitleColor);
});
testWidgets('onGenerateTitle handles changing locales', (WidgetTester tester) async {
String generateTitle(BuildContext context) {
return Localizations.localeOf(context).toString();
}
await pumpApp(tester, onGenerateTitle: generateTitle);
expect(tester.widget<Title>(find.byType(Title)).title, 'en_US');
expect(tester.widget<Title>(find.byType(Title)).color, kTitleColor);
await tester.binding.setLocale('en', 'GB');
await tester.pump();
expect(tester.widget<Title>(find.byType(Title)).title, 'en_GB');
expect(tester.widget<Title>(find.byType(Title)).color, kTitleColor);
// Not a supported locale, so we switch to supportedLocales[0], en_US
await tester.binding.setLocale('fr', 'CA');
await tester.pump();
expect(tester.widget<Title>(find.byType(Title)).title, 'en_US');
expect(tester.widget<Title>(find.byType(Title)).color, kTitleColor);
});
}