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f9ea1ce815
To make it easier to avoid pushing twice in one frame, provide a transaction mechanism for the navigator.
95 lines
3.1 KiB
Dart
95 lines
3.1 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/material.dart';
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import 'package:test/test.dart';
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import 'test_matchers.dart';
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class TestOverlayRoute extends OverlayRoute {
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List<WidgetBuilder> get builders => <WidgetBuilder>[ _build ];
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Widget _build(BuildContext context) => new Text('Overlay');
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}
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void main() {
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test('Check onstage/offstage handling around transitions', () {
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testWidgets((WidgetTester tester) {
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GlobalKey containerKey1 = new GlobalKey();
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GlobalKey containerKey2 = new GlobalKey();
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final Map<String, RouteBuilder> routes = <String, RouteBuilder>{
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'/': (_) => new Container(key: containerKey1, child: new Text('Home')),
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'/settings': (_) => new Container(key: containerKey2, child: new Text('Settings')),
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};
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tester.pumpWidget(new MaterialApp(routes: routes));
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expect(tester.findText('Home'), isOnStage);
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expect(tester.findText('Settings'), isNull);
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expect(tester.findText('Overlay'), isNull);
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Navigator.pushNamed(containerKey1.currentContext, '/settings');
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tester.pump();
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expect(tester.findText('Home'), isOnStage);
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expect(tester.findText('Settings'), isOffStage);
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expect(tester.findText('Overlay'), isNull);
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tester.pump(const Duration(milliseconds: 16));
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expect(tester.findText('Home'), isOnStage);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isNull);
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tester.pump(const Duration(seconds: 1));
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expect(tester.findText('Home'), isNull);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isNull);
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Navigator.push(containerKey2.currentContext, new TestOverlayRoute());
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tester.pump();
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expect(tester.findText('Home'), isNull);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isOnStage);
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tester.pump(const Duration(seconds: 1));
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expect(tester.findText('Home'), isNull);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isOnStage);
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Navigator.pop(containerKey2.currentContext);
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tester.pump();
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expect(tester.findText('Home'), isNull);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isNull);
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tester.pump(const Duration(seconds: 1));
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expect(tester.findText('Home'), isNull);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isNull);
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Navigator.pop(containerKey2.currentContext);
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tester.pump();
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expect(tester.findText('Home'), isOnStage);
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expect(tester.findText('Settings'), isOnStage);
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expect(tester.findText('Overlay'), isNull);
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tester.pump(const Duration(seconds: 1));
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expect(tester.findText('Home'), isOnStage);
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expect(tester.findText('Settings'), isNull);
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expect(tester.findText('Overlay'), isNull);
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});
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});
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}
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