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dfd821e595
Also: - don't mark a node as from the new generation if it is dirty, since we know it still has to be built. - establish the rule that you can't call setState() during initState() or build(). - make syncChild() return early for unchanged children. - update the tests, including adding a new one.
92 lines
2.1 KiB
Dart
92 lines
2.1 KiB
Dart
import 'package:sky/animation.dart';
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import 'package:sky/widgets.dart';
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import 'package:test/test.dart';
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import 'widget_tester.dart';
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class FirstComponent extends Component {
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FirstComponent(this.navigator);
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final Navigator navigator;
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Widget build() {
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return new GestureDetector(
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onTap: () {
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navigator.pushNamed('/second');
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},
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child: new Container(
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decoration: new BoxDecoration(
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backgroundColor: new Color(0xFFFFFF00)
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),
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child: new Text('X')
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)
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);
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}
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}
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class SecondComponent extends StatefulComponent {
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SecondComponent(this.navigator);
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Navigator navigator;
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void syncConstructorArguments(SecondComponent source) {
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navigator = source.navigator;
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}
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Widget build() {
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return new GestureDetector(
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onTap: navigator.pop,
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child: new Container(
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decoration: new BoxDecoration(
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backgroundColor: new Color(0xFFFF00FF)
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),
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child: new Text('Y')
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)
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);
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}
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}
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void main() {
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test('Can navigator navigate to and from a stateful component', () {
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WidgetTester tester = new WidgetTester();
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final NavigationState routes = new NavigationState([
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new Route(
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name: '/',
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builder: (navigator, route) => new FirstComponent(navigator)
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),
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new Route(
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name: '/second',
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builder: (navigator, route) => new SecondComponent(navigator)
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)
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]);
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tester.pumpFrame(() {
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return new Navigator(routes);
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});
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expect(tester.findText('X'), isNotNull);
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expect(tester.findText('Y'), isNull);
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tester.tap(tester.findText('X'));
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scheduler.beginFrame(10.0);
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expect(tester.findText('X'), isNotNull);
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expect(tester.findText('Y'), isNotNull);
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scheduler.beginFrame(20.0);
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scheduler.beginFrame(30.0);
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scheduler.beginFrame(1000.0);
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tester.tap(tester.findText('Y'));
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scheduler.beginFrame(1010.0);
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scheduler.beginFrame(1020.0);
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scheduler.beginFrame(1030.0);
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scheduler.beginFrame(2000.0);
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expect(tester.findText('X'), isNotNull);
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expect(tester.findText('Y'), isNull);
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});
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}
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