flutter/packages/flutter/test/widget/page_transitions_test.dart
2016-03-12 17:18:31 -08:00

101 lines
3.4 KiB
Dart

// Copyright 2015 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';
import 'package:test/test.dart';
import 'test_matchers.dart';
class TestOverlayRoute extends OverlayRoute<Null> {
List<WidgetBuilder> get builders => <WidgetBuilder>[ _build ];
Widget _build(BuildContext context) => new Text('Overlay');
}
void main() {
test('Check onstage/offstage handling around transitions', () {
testWidgets((WidgetTester tester) {
GlobalKey containerKey1 = new GlobalKey();
GlobalKey containerKey2 = new GlobalKey();
final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
'/': (_) => new Container(key: containerKey1, child: new Text('Home')),
'/settings': (_) => new Container(key: containerKey2, child: new Text('Settings')),
};
tester.pumpWidget(new MaterialApp(routes: routes));
expect(tester.findText('Home'), isOnStage);
expect(tester.findText('Settings'), isNull);
expect(tester.findText('Overlay'), isNull);
expect(Navigator.canPop(containerKey1.currentContext), isFalse);
Navigator.pushNamed(containerKey1.currentContext, '/settings');
expect(Navigator.canPop(containerKey1.currentContext), isTrue);
tester.pump();
expect(tester.findText('Home'), isOnStage);
expect(tester.findText('Settings'), isOffStage);
expect(tester.findText('Overlay'), isNull);
tester.pump(const Duration(milliseconds: 16));
expect(tester.findText('Home'), isOnStage);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isNull);
tester.pump(const Duration(seconds: 1));
expect(tester.findText('Home'), isNull);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isNull);
Navigator.push(containerKey2.currentContext, new TestOverlayRoute());
tester.pump();
expect(tester.findText('Home'), isNull);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isOnStage);
tester.pump(const Duration(seconds: 1));
expect(tester.findText('Home'), isNull);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isOnStage);
expect(Navigator.canPop(containerKey2.currentContext), isTrue);
Navigator.pop(containerKey2.currentContext);
tester.pump();
expect(tester.findText('Home'), isNull);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isNull);
tester.pump(const Duration(seconds: 1));
expect(tester.findText('Home'), isNull);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isNull);
expect(Navigator.canPop(containerKey2.currentContext), isTrue);
Navigator.pop(containerKey2.currentContext);
tester.pump();
expect(tester.findText('Home'), isOnStage);
expect(tester.findText('Settings'), isOnStage);
expect(tester.findText('Overlay'), isNull);
tester.pump(const Duration(seconds: 1));
expect(tester.findText('Home'), isOnStage);
expect(tester.findText('Settings'), isNull);
expect(tester.findText('Overlay'), isNull);
expect(Navigator.canPop(containerKey1.currentContext), isFalse);
});
});
}