| // Copyright 2013 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/material.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| import 'package:go_router/go_router.dart'; |
| import 'package:go_router/src/delegate.dart'; |
| import 'package:go_router/src/match.dart'; |
| import 'package:go_router/src/misc/error_screen.dart'; |
| |
| Future<GoRouter> createGoRouter( |
| WidgetTester tester, { |
| Listenable? refreshListenable, |
| }) async { |
| final GoRouter router = GoRouter( |
| initialLocation: '/', |
| routes: <GoRoute>[ |
| GoRoute(path: '/', builder: (_, __) => const DummyStatefulWidget()), |
| GoRoute(path: '/a', builder: (_, __) => const DummyStatefulWidget()), |
| GoRoute( |
| path: '/error', |
| builder: (_, __) => const ErrorScreen(null), |
| ), |
| ], |
| refreshListenable: refreshListenable, |
| ); |
| await tester.pumpWidget(MaterialApp.router( |
| routerConfig: router, |
| )); |
| return router; |
| } |
| |
| void main() { |
| group('pop', () { |
| testWidgets('removes the last element', (WidgetTester tester) async { |
| final GoRouter goRouter = await createGoRouter(tester) |
| ..push('/error'); |
| await tester.pumpAndSettle(); |
| |
| final RouteMatch last = goRouter.routerDelegate.matches.matches.last; |
| await goRouter.routerDelegate.popRoute(); |
| expect(goRouter.routerDelegate.matches.matches.length, 1); |
| expect(goRouter.routerDelegate.matches.matches.contains(last), false); |
| }); |
| |
| testWidgets('pops more than matches count should return false', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = await createGoRouter(tester) |
| ..push('/error'); |
| await tester.pumpAndSettle(); |
| await goRouter.routerDelegate.popRoute(); |
| expect(await goRouter.routerDelegate.popRoute(), isFalse); |
| }); |
| }); |
| |
| group('push', () { |
| testWidgets( |
| 'It should return different pageKey when push is called', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = await createGoRouter(tester); |
| expect(goRouter.routerDelegate.matches.matches.length, 1); |
| |
| goRouter.push('/a'); |
| await tester.pumpAndSettle(); |
| |
| expect(goRouter.routerDelegate.matches.matches.length, 2); |
| expect( |
| goRouter.routerDelegate.matches.matches[1].pageKey, |
| const Key('/a-p1'), |
| ); |
| |
| goRouter.push('/a'); |
| await tester.pumpAndSettle(); |
| |
| expect(goRouter.routerDelegate.matches.matches.length, 3); |
| expect( |
| goRouter.routerDelegate.matches.matches[2].pageKey, |
| const Key('/a-p2'), |
| ); |
| }, |
| ); |
| }); |
| |
| group('canPop', () { |
| testWidgets( |
| 'It should return false if there is only 1 match in the stack', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = await createGoRouter(tester); |
| |
| await tester.pumpAndSettle(); |
| expect(goRouter.routerDelegate.matches.matches.length, 1); |
| expect(goRouter.routerDelegate.canPop(), false); |
| }, |
| ); |
| testWidgets( |
| 'It should return true if there is more than 1 match in the stack', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = await createGoRouter(tester) |
| ..push('/a'); |
| |
| await tester.pumpAndSettle(); |
| expect(goRouter.routerDelegate.matches.matches.length, 2); |
| expect(goRouter.routerDelegate.canPop(), true); |
| }, |
| ); |
| }); |
| |
| group('pushReplacement', () { |
| testWidgets('It should replace the last match with the given one', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = GoRouter( |
| initialLocation: '/', |
| routes: <GoRoute>[ |
| GoRoute(path: '/', builder: (_, __) => const SizedBox()), |
| GoRoute(path: '/page-0', builder: (_, __) => const SizedBox()), |
| GoRoute(path: '/page-1', builder: (_, __) => const SizedBox()), |
| ], |
| ); |
| await tester.pumpWidget( |
| MaterialApp.router( |
| routerConfig: goRouter, |
| ), |
| ); |
| |
| goRouter.push('/page-0'); |
| |
| goRouter.routerDelegate.addListener(expectAsync0(() {})); |
| final RouteMatch first = goRouter.routerDelegate.matches.matches.first; |
| final RouteMatch last = goRouter.routerDelegate.matches.last; |
| goRouter.pushReplacement('/page-1'); |
| expect(goRouter.routerDelegate.matches.matches.length, 2); |
| expect( |
| goRouter.routerDelegate.matches.matches.first, |
| first, |
| reason: 'The first match should still be in the list of matches', |
| ); |
| expect( |
| goRouter.routerDelegate.matches.last, |
| isNot(last), |
| reason: 'The last match should have been removed', |
| ); |
| expect( |
| (goRouter.routerDelegate.matches.last as ImperativeRouteMatch) |
| .matches |
| .uri |
| .toString(), |
| '/page-1', |
| reason: 'The new location should have been pushed', |
| ); |
| }); |
| |
| testWidgets( |
| 'It should return different pageKey when replace is called', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = await createGoRouter(tester); |
| expect(goRouter.routerDelegate.matches.matches.length, 1); |
| expect( |
| goRouter.routerDelegate.matches.matches[0].pageKey, |
| isNotNull, |
| ); |
| |
| goRouter.push('/a'); |
| await tester.pumpAndSettle(); |
| |
| expect(goRouter.routerDelegate.matches.matches.length, 2); |
| expect( |
| goRouter.routerDelegate.matches.matches.last.pageKey, |
| const Key('/a-p1'), |
| ); |
| |
| goRouter.pushReplacement('/a'); |
| await tester.pumpAndSettle(); |
| |
| expect(goRouter.routerDelegate.matches.matches.length, 2); |
| expect( |
| goRouter.routerDelegate.matches.matches.last.pageKey, |
| const Key('/a-p2'), |
| ); |
| }, |
| ); |
| }); |
| |
| group('pushReplacementNamed', () { |
| testWidgets( |
| 'It should replace the last match with the given one', |
| (WidgetTester tester) async { |
| final GoRouter goRouter = GoRouter( |
| initialLocation: '/', |
| routes: <GoRoute>[ |
| GoRoute(path: '/', builder: (_, __) => const SizedBox()), |
| GoRoute( |
| path: '/page-0', |
| name: 'page0', |
| builder: (_, __) => const SizedBox()), |
| GoRoute( |
| path: '/page-1', |
| name: 'page1', |
| builder: (_, __) => const SizedBox()), |
| ], |
| ); |
| await tester.pumpWidget( |
| MaterialApp.router( |
| routerConfig: goRouter, |
| ), |
| ); |
| |
| goRouter.pushNamed('page0'); |
| |
| goRouter.routerDelegate.addListener(expectAsync0(() {})); |
| final RouteMatch first = goRouter.routerDelegate.matches.matches.first; |
| final RouteMatch last = goRouter.routerDelegate.matches.last; |
| goRouter.pushReplacementNamed('page1'); |
| expect(goRouter.routerDelegate.matches.matches.length, 2); |
| expect( |
| goRouter.routerDelegate.matches.matches.first, |
| first, |
| reason: 'The first match should still be in the list of matches', |
| ); |
| expect( |
| goRouter.routerDelegate.matches.last, |
| isNot(last), |
| reason: 'The last match should have been removed', |
| ); |
| expect( |
| goRouter.routerDelegate.matches.last, |
| isA<RouteMatch>().having( |
| (RouteMatch match) => (match.route as GoRoute).name, |
| 'match.route.name', |
| 'page1', |
| ), |
| reason: 'The new location should have been pushed', |
| ); |
| }, |
| ); |
| }); |
| |
| testWidgets('dispose unsubscribes from refreshListenable', |
| (WidgetTester tester) async { |
| final FakeRefreshListenable refreshListenable = FakeRefreshListenable(); |
| final GoRouter goRouter = |
| await createGoRouter(tester, refreshListenable: refreshListenable); |
| await tester.pumpWidget(Container()); |
| goRouter.dispose(); |
| expect(refreshListenable.unsubscribed, true); |
| }); |
| } |
| |
| class FakeRefreshListenable extends ChangeNotifier { |
| bool unsubscribed = false; |
| |
| @override |
| void removeListener(VoidCallback listener) { |
| unsubscribed = true; |
| super.removeListener(listener); |
| } |
| } |
| |
| class DummyStatefulWidget extends StatefulWidget { |
| const DummyStatefulWidget({super.key}); |
| |
| @override |
| State<DummyStatefulWidget> createState() => _DummyStatefulWidgetState(); |
| } |
| |
| class _DummyStatefulWidgetState extends State<DummyStatefulWidget> { |
| @override |
| Widget build(BuildContext context) => Container(); |
| } |