flutter/packages/flutter/test/material/scaffold_test.dart

132 lines
4.2 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:flutter/rendering.dart';
void main() {
testWidgets('Scaffold control test', (WidgetTester tester) async {
Key bodyKey = new UniqueKey();
await tester.pumpWidget(new Scaffold(
appBar: new AppBar(title: new Text('Title')),
body: new Container(key: bodyKey)
));
RenderBox bodyBox = tester.renderObject(find.byKey(bodyKey));
expect(bodyBox.size, equals(new Size(800.0, 544.0)));
await tester.pumpWidget(new MediaQuery(
data: new MediaQueryData(padding: new EdgeInsets.only(bottom: 100.0)),
child: new Scaffold(
appBar: new AppBar(title: new Text('Title')),
body: new Container(key: bodyKey)
)
));
bodyBox = tester.renderObject(find.byKey(bodyKey));
expect(bodyBox.size, equals(new Size(800.0, 444.0)));
await tester.pumpWidget(new MediaQuery(
data: new MediaQueryData(padding: new EdgeInsets.only(bottom: 100.0)),
child: new Scaffold(
appBar: new AppBar(title: new Text('Title')),
body: new Container(key: bodyKey),
resizeToAvoidBottomPadding: false
)
));
bodyBox = tester.renderObject(find.byKey(bodyKey));
expect(bodyBox.size, equals(new Size(800.0, 544.0)));
});
testWidgets('Floating action animation', (WidgetTester tester) async {
await tester.pumpWidget(new Scaffold(
floatingActionButton: new FloatingActionButton(
key: new Key("one"),
onPressed: null,
child: new Text("1")
)
));
expect(tester.binding.transientCallbackCount, 0);
await tester.pumpWidget(new Scaffold(
floatingActionButton: new FloatingActionButton(
key: new Key("two"),
onPressed: null,
child: new Text("2")
)
));
expect(tester.binding.transientCallbackCount, greaterThan(0));
await tester.pumpWidget(new Container());
expect(tester.binding.transientCallbackCount, 0);
await tester.pumpWidget(new Scaffold());
expect(tester.binding.transientCallbackCount, 0);
await tester.pumpWidget(new Scaffold(
floatingActionButton: new FloatingActionButton(
key: new Key("one"),
onPressed: null,
child: new Text("1")
)
));
expect(tester.binding.transientCallbackCount, greaterThan(0));
});
testWidgets('Drawer scrolling', (WidgetTester tester) async {
GlobalKey<ScrollableState<Scrollable>> drawerKey =
new GlobalKey<ScrollableState<Scrollable>>(debugLabel: 'drawer');
Key appBarKey = new Key('appBar');
const double appBarHeight = 256.0;
await tester.pumpWidget(
new MaterialApp(
home: new Scaffold(
appBarBehavior: AppBarBehavior.under,
appBar: new AppBar(
key: appBarKey,
expandedHeight: appBarHeight,
title: new Text('Title'),
flexibleSpace: new FlexibleSpaceBar(title: new Text('Title')),
),
drawer: new Drawer(
child: new Block(
scrollableKey: drawerKey,
children: new List<Widget>.generate(10,
(int index) => new SizedBox(height: 100.0, child: new Text('D$index'))
)
)
),
body: new Block(
padding: const EdgeInsets.only(top: appBarHeight),
children: new List<Widget>.generate(10,
(int index) => new SizedBox(height: 100.0, child: new Text('B$index'))
),
),
)
)
);
ScaffoldState state = tester.firstState(find.byType(Scaffold));
state.openDrawer();
await tester.pump();
await tester.pump(const Duration(seconds: 1));
expect(drawerKey.currentState.scrollOffset, equals(0));
const double scrollDelta = 80.0;
await tester.scroll(find.byKey(drawerKey), const Offset(0.0, -scrollDelta));
await tester.pump();
expect(drawerKey.currentState.scrollOffset, equals(scrollDelta));
RenderBox renderBox = tester.renderObject(find.byKey(appBarKey));
expect(renderBox.size.height, equals(appBarHeight));
});
}