blob: 75025a982502021137cde3e257a5a5e9d8e35603 [file] [log] [blame]
// 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/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(
routeInformationProvider: router.routeInformationProvider,
routeInformationParser: router.routeInformationParser,
routerDelegate: router.routerDelegate));
return router;
}
void main() {
group('pop', () {
testWidgets('removes the last element', (WidgetTester tester) async {
final GoRouter goRouter = await createGoRouter(tester)
..push('/error');
goRouter.routerDelegate.addListener(expectAsync0(() {}));
final RouteMatch last = goRouter.routerDelegate.matches.matches.last;
goRouter.routerDelegate.pop();
expect(goRouter.routerDelegate.matches.matches.length, 1);
expect(goRouter.routerDelegate.matches.matches.contains(last), false);
});
testWidgets('throws when it pops more than matches count',
(WidgetTester tester) async {
final GoRouter goRouter = await createGoRouter(tester)
..push('/error');
expect(
() => goRouter.routerDelegate
..pop()
..pop(),
throwsA(isAssertionError),
);
});
});
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);
expect(
goRouter.routerDelegate.matches.matches[0].pageKey,
null,
);
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);
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('/error');
expect(goRouter.routerDelegate.matches.matches.length, 2);
expect(goRouter.routerDelegate.canPop(), true);
},
);
});
group('replace', () {
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(
routeInformationProvider: goRouter.routeInformationProvider,
routeInformationParser: goRouter.routeInformationParser,
routerDelegate: goRouter.routerDelegate,
),
);
goRouter.push('/page-0');
goRouter.routerDelegate.addListener(expectAsync0(() {}));
final RouteMatch first = goRouter.routerDelegate.matches.matches.first;
final RouteMatch last = goRouter.routerDelegate.matches.last;
goRouter.replace('/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.fullpath,
'/page-1',
reason: 'The new location should have been pushed',
);
},
);
});
group('replaceNamed', () {
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(
routeInformationProvider: goRouter.routeInformationProvider,
routeInformationParser: goRouter.routeInformationParser,
routerDelegate: goRouter.routerDelegate,
),
);
goRouter.pushNamed('page0');
goRouter.routerDelegate.addListener(expectAsync0(() {}));
final RouteMatch first = goRouter.routerDelegate.matches.matches.first;
final RouteMatch last = goRouter.routerDelegate.matches.last;
goRouter.replaceNamed('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.fullpath,
'match.fullpath',
'/page-1',
)
.having(
(RouteMatch match) => match.route.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();
}