| // Copyright 2016 The Chromium 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/material.dart'; |
| |
| void main() { |
| testWidgets('Back during pushReplacement', (WidgetTester tester) async { |
| await tester.pumpWidget(new MaterialApp( |
| home: const Material(child: const Text('home')), |
| routes: <String, WidgetBuilder> { |
| '/a': (BuildContext context) => const Material(child: const Text('a')), |
| '/b': (BuildContext context) => const Material(child: const Text('b')), |
| }, |
| )); |
| |
| final NavigatorState navigator = tester.state(find.byType(Navigator)); |
| navigator.pushNamed('/a'); |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('a'), findsOneWidget); |
| expect(find.text('home'), findsNothing); |
| |
| navigator.pushReplacementNamed('/b'); |
| await tester.pump(); |
| await tester.pump(const Duration(milliseconds: 10)); |
| |
| expect(find.text('a'), findsOneWidget); |
| expect(find.text('b'), findsOneWidget); |
| expect(find.text('home'), findsNothing); |
| |
| navigator.pop(); |
| |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('a'), findsNothing); |
| expect(find.text('b'), findsNothing); |
| expect(find.text('home'), findsOneWidget); |
| }); |
| |
| testWidgets('pushAndRemoveUntil', (WidgetTester tester) async { |
| await tester.pumpWidget(new MaterialApp( |
| home: const Material(child: const Text('home')), |
| routes: <String, WidgetBuilder> { |
| '/a': (BuildContext context) => const Material(child: const Text('a')), |
| '/b': (BuildContext context) => const Material(child: const Text('b')), |
| }, |
| )); |
| |
| final NavigatorState navigator = tester.state(find.byType(Navigator)); |
| navigator.pushNamed('/a'); |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('home', skipOffstage: false), findsOneWidget); |
| expect(find.text('a', skipOffstage: false), findsOneWidget); |
| expect(find.text('b', skipOffstage: false), findsNothing); |
| |
| navigator.pushNamedAndRemoveUntil('/b', (Route<dynamic> route) => false); |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('home', skipOffstage: false), findsNothing); |
| expect(find.text('a', skipOffstage: false), findsNothing); |
| expect(find.text('b', skipOffstage: false), findsOneWidget); |
| |
| navigator.pushNamed('/'); |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('home', skipOffstage: false), findsOneWidget); |
| expect(find.text('a', skipOffstage: false), findsNothing); |
| expect(find.text('b', skipOffstage: false), findsOneWidget); |
| |
| navigator.pushNamedAndRemoveUntil('/a', ModalRoute.withName('/b')); |
| await tester.pumpAndSettle(); |
| |
| expect(find.text('home', skipOffstage: false), findsNothing); |
| expect(find.text('a', skipOffstage: false), findsOneWidget); |
| expect(find.text('b', skipOffstage: false), findsOneWidget); |
| }); |
| } |