| // 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_test/flutter_test.dart'; |
| import 'package:flutter/widgets.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); |
| }); |
| |
| } |