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MediaQuery.of shouldn't give a default return value (#9596)

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This commit is contained in:
Ian Hickson 2017-04-27 15:02:59 -07:00 committed by GitHub
parent b432af51fd
commit 11fa80bb78
20 changed files with 1145 additions and 915 deletions
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2
examples/flutter_gallery/test/calculator/smoke_test.dart
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@ -14,7 +14,7 @@ void main() {
// We press the "1" and the "2" buttons and check that the display
// reads "12".
testWidgets('Flutter calculator app smoke test', (WidgetTester tester) async {
await tester.pumpWidget(const CalculatorDemo());
await tester.pumpWidget(new MaterialApp(home: const CalculatorDemo()));
final Finder oneButton = find.widgetWithText(InkResponse, '1');
expect(oneButton, findsOneWidget);

2
packages/flutter/lib/src/material/app_bar.dart
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@ -341,6 +341,7 @@ class _AppBarState extends State<AppBar> {
@override
Widget build(BuildContext context) {
assert(!widget.primary || debugCheckHasMediaQuery(context));
final ThemeData themeData = Theme.of(context);
IconThemeData appBarIconTheme = widget.iconTheme ?? themeData.primaryIconTheme;
@ -906,6 +907,7 @@ class _SliverAppBarState extends State<SliverAppBar> with TickerProviderStateMix
@override
Widget build(BuildContext context) {
assert(!widget.primary || debugCheckHasMediaQuery(context));
final double topPadding = widget.primary ? MediaQuery.of(context).padding.top : 0.0;
final double collapsedHeight = (widget.pinned && widget.floating && widget.bottom != null)
? widget.bottom.preferredSize.height + topPadding : null;

1
packages/flutter/lib/src/material/drawer_header.dart
View File

@ -72,6 +72,7 @@ class DrawerHeader extends StatelessWidget {
@override
Widget build(BuildContext context) {
assert(debugCheckHasMaterial(context));
assert(debugCheckHasMediaQuery(context));
final ThemeData theme = Theme.of(context);
final double statusBarHeight = MediaQuery.of(context).padding.top;
return new Container(

1
packages/flutter/lib/src/material/scaffold.dart
View File

@ -769,6 +769,7 @@ class ScaffoldState extends State<Scaffold> with TickerProviderStateMixin {
@override
Widget build(BuildContext context) {
assert(debugCheckHasMediaQuery(context));
EdgeInsets padding = MediaQuery.of(context).padding;
final ThemeData themeData = Theme.of(context);
if (!widget.resizeToAvoidBottomPadding)

1
packages/flutter/lib/src/material/text_selection.dart
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@ -151,6 +151,7 @@ class _MaterialTextSelectionControls extends TextSelectionControls {
@override
Widget buildToolbar(
BuildContext context, Offset position, TextSelectionDelegate delegate) {
assert(debugCheckHasMediaQuery(context));
final Size screenSize = MediaQuery.of(context).size;
return new ConstrainedBox(
constraints: new BoxConstraints.loose(screenSize),

35
packages/flutter/lib/src/widgets/debug.dart
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@ -5,7 +5,9 @@
import 'dart:collection';
import 'package:flutter/foundation.dart';
import 'framework.dart';
import 'media_query.dart';
import 'table.dart';
// Any changes to this file should be reflected in the debugAssertAllWidgetVarsUnset()
@ -153,6 +155,39 @@ bool debugCheckHasTable(BuildContext context) {
return true;
}
/// Asserts that the given context has a [MediaQuery] ancestor.
///
/// Used by various widgets to make sure that they are only used in an
/// appropriate context.
///
/// To invoke this function, use the following pattern, typically in the
/// relevant Widget's [build] method:
///
/// ```dart
/// assert(debugCheckHasMediaQuery(context));
/// ```
///
/// Does nothing if asserts are disabled. Always returns true.
bool debugCheckHasMediaQuery(BuildContext context) {
assert(() {
if (context.widget is! MediaQuery && context.ancestorWidgetOfExactType(MediaQuery) == null) {
final Element element = context;
throw new FlutterError(
'No MediaQuery widget found.\n'
'${context.widget.runtimeType} widgets require a MediaQuery widget ancestor.\n'
'The specific widget that could not find a MediaQuery ancestor was:\n'
' ${context.widget}\n'
'The ownership chain for the affected widget is:\n'
' ${element.debugGetCreatorChain(10)}\n'
'Typically, the MediaQuery widget is introduced by the MaterialApp or '
'WidgetsApp widget at the top of your application widget tree.'
);
}
return true;
});
return true;
}
/// Asserts that the `built` widget is not null.
///
/// Used when the given `widget` calls a builder function to check that the

2
packages/flutter/lib/src/widgets/editable_text.dart
View File

@ -463,7 +463,7 @@ class EditableTextState extends State<EditableText> implements TextInputClient {
showCursor: _showCursor,
maxLines: widget.maxLines,
selectionColor: widget.selectionColor,
textScaleFactor: widget.textScaleFactor ?? MediaQuery.of(context).textScaleFactor,
textScaleFactor: widget.textScaleFactor ?? MediaQuery.of(context, nullOk: true)?.textScaleFactor ?? 1.0,
textAlign: widget.textAlign,
obscureText: widget.obscureText,
offset: offset,

4
packages/flutter/lib/src/widgets/image.dart
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@ -27,10 +27,10 @@ export 'package:flutter/services.dart' show
ImageConfiguration createLocalImageConfiguration(BuildContext context, { Size size }) {
return new ImageConfiguration(
bundle: DefaultAssetBundle.of(context),
devicePixelRatio: MediaQuery.of(context).devicePixelRatio,
devicePixelRatio: MediaQuery.of(context, nullOk: true)?.devicePixelRatio ?? 1.0,
// TODO(ianh): provide the locale
size: size,
platform: Platform.operatingSystem
platform: Platform.operatingSystem,
);
}

44
packages/flutter/lib/src/widgets/media_query.dart
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@ -26,6 +26,10 @@ enum Orientation {
/// To obtain the current [MediaQueryData] for a given [BuildContext], use the
/// [MediaQuery.of] function. For example, to obtain the size of the current
/// window, use `MediaQuery.of(context).size`.
///
/// If no [MediaQuery] is in scope then the [MediaQuery.of] method will throw an
/// exception, unless the `nullOk` argument is set to true, in which case it
/// returns null.
@immutable
class MediaQueryData {
/// Creates data for a media query with explicit values.
@ -40,6 +44,11 @@ class MediaQueryData {
});
/// Creates data for a media query based on the given window.
///
/// If you use this, you should ensure that you also register for
/// notifications so that you can update your [MediaQueryData] when the
/// window's metrics change. For example, see
/// [WidgetsBindingObserver.didChangeMetrics] or [ui.window.onMetricsChanged].
MediaQueryData.fromWindow(ui.Window window)
: size = window.physicalSize / window.devicePixelRatio,
devicePixelRatio = window.devicePixelRatio,
@ -117,6 +126,16 @@ class MediaQueryData {
/// Querying the current media using [MediaQuery.of] will cause your widget to
/// rebuild automatically whenever the [MediaQueryData] changes (e.g., if the
/// user rotates their device).
///
/// If no [MediaQuery] is in scope then the [MediaQuery.of] method will throw an
/// exception, unless the `nullOk` argument is set to true, in which case it
/// returns null.
///
/// See also:
///
/// * [WidgetsApp] and [MaterialApp], which introduce a [MediaQuery] and keep
/// it up to date with the current screen metrics as they change.
/// * [MediaQueryData], the data structure that represents the metrics.
class MediaQuery extends InheritedWidget {
/// Creates a widget that provides [MediaQueryData] to its descendants.
///
@ -135,7 +154,8 @@ class MediaQuery extends InheritedWidget {
/// height of the current window.
final MediaQueryData data;
/// The data from the closest instance of this class that encloses the given context.
/// The data from the closest instance of this class that encloses the given
/// context.
///
/// You can use this function to query the size an orientation of the screen.
/// When that information changes, your widget will be scheduled to be rebuilt,
@ -146,9 +166,27 @@ class MediaQuery extends InheritedWidget {
/// ```dart
/// MediaQueryData media = MediaQuery.of(context);
/// ```
static MediaQueryData of(BuildContext context) {
///
/// If there is no [MediaQuery] in scope, then this will throw an exception.
/// To return null if there is no [MediaQuery], then pass `nullOk: true`.
///
/// If you use this from a widget (e.g. in its build function), consider
/// calling [debugCheckHasMediaQuery].
static MediaQueryData of(BuildContext context, { bool nullOk: false }) {
final MediaQuery query = context.inheritFromWidgetOfExactType(MediaQuery);
return query?.data ?? new MediaQueryData.fromWindow(ui.window);
if (query != null)
return query.data;
if (nullOk)
return null;
throw new FlutterError(
'MediaQuery.of() called with a context that does not contain a MediaQuery.\n'
'No MediaQuery ancestor could be found starting from the context that was passed '
'to MediaQuery.of(). This can happen because you do not have a WidgetsApp or '
'MaterialApp widget (those widgets introduce a MediaQuery), or it can happen '
'if the context you use comes from a widget above those widgets.\n'
'The context used was:\n'
' $context'
);
}
@override

2
packages/flutter/lib/src/widgets/text.dart
View File

@ -203,7 +203,7 @@ class Text extends StatelessWidget {
textAlign: textAlign ?? defaultTextStyle.textAlign,
softWrap: softWrap ?? defaultTextStyle.softWrap,
overflow: overflow ?? defaultTextStyle.overflow,
textScaleFactor: textScaleFactor ?? MediaQuery.of(context).textScaleFactor,
textScaleFactor: textScaleFactor ?? MediaQuery.of(context, nullOk: true)?.textScaleFactor ?? 1.0,
maxLines: maxLines ?? defaultTextStyle.maxLines,
text: new TextSpan(
style: effectiveTextStyle,

10
packages/flutter/test/material/about_test.dart
View File

@ -89,9 +89,13 @@ void main() {
]);
});
await tester.pumpWidget(const Center(
child: const LicensePage()
));
await tester.pumpWidget(
new MaterialApp(
home: const Center(
child: const LicensePage()
),
),
);
expect(licenseFuture, isNotNull);
await licenseFuture;

75
packages/flutter/test/material/app_bar_test.dart
View File

@ -8,29 +8,32 @@ import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
Widget buildSliverAppBarApp({ bool floating, bool pinned, double expandedHeight, bool snap: false }) {
return new Scaffold(
body: new DefaultTabController(
length: 3,
child: new CustomScrollView(
primary: true,
slivers: <Widget>[
new SliverAppBar(
title: const Text('AppBar Title'),
floating: floating,
pinned: pinned,
expandedHeight: expandedHeight,
snap: snap,
bottom: new TabBar(
tabs: <String>['A','B','C'].map((String t) => new Tab(text: 'TAB $t')).toList(),
return new MediaQuery(
data: const MediaQueryData(),
child: new Scaffold(
body: new DefaultTabController(
length: 3,
child: new CustomScrollView(
primary: true,
slivers: <Widget>[
new SliverAppBar(
title: const Text('AppBar Title'),
floating: floating,
pinned: pinned,
expandedHeight: expandedHeight,
snap: snap,
bottom: new TabBar(
tabs: <String>['A','B','C'].map((String t) => new Tab(text: 'TAB $t')).toList(),
),
),
),
new SliverToBoxAdapter(
child: new Container(
height: 1200.0,
color: Colors.orange[400],
new SliverToBoxAdapter(
child: new Container(
height: 1200.0,
color: Colors.orange[400],
),
),
),
],
],
),
),
),
);
@ -246,12 +249,14 @@ void main() {
testWidgets('AppBar with no Scaffold', (WidgetTester tester) async {
await tester.pumpWidget(
new SizedBox(
height: kToolbarHeight,
child: new AppBar(
leading: const Text('L'),
title: const Text('No Scaffold'),
actions: <Widget>[const Text('A1'), const Text('A2')],
new MaterialApp(
home: new SizedBox(
height: kToolbarHeight,
child: new AppBar(
leading: const Text('L'),
title: const Text('No Scaffold'),
actions: <Widget>[const Text('A1'), const Text('A2')],
),
),
),
);
@ -265,13 +270,15 @@ void main() {
testWidgets('AppBar render at zero size', (WidgetTester tester) async {
await tester.pumpWidget(
new Center(
child: new Container(
height: 0.0,
width: 0.0,
child: new Scaffold(
appBar: new AppBar(
title: const Text('X'),
new MaterialApp(
home: new Center(
child: new Container(
height: 0.0,
width: 0.0,
child: new Scaffold(
appBar: new AppBar(
title: const Text('X'),
),
),
),
),

306
packages/flutter/test/material/bottom_navigation_bar_test.dart
View File

@ -10,21 +10,23 @@ void main() {
int mutatedIndex;
await tester.pumpWidget(
new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
],
onTap: (int index) {
mutatedIndex = index;
}
new MaterialApp(
home: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
],
onTap: (int index) {
mutatedIndex = index;
}
)
)
)
);
@ -36,18 +38,20 @@ void main() {
testWidgets('BottomNavigationBar content test', (WidgetTester tester) async {
await tester.pumpWidget(
new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
]
new MaterialApp(
home: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
]
)
)
)
);
@ -60,19 +64,21 @@ void main() {
testWidgets('BottomNavigationBar action size test', (WidgetTester tester) async {
await tester.pumpWidget(
new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
]
new MaterialApp(
home: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
]
)
)
)
);
@ -83,20 +89,22 @@ void main() {
expect(actions.elementAt(1).size.width, 105.6);
await tester.pumpWidget(
new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
currentIndex: 1,
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
]
new MaterialApp(
home: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
currentIndex: 1,
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
)
]
)
)
)
);
@ -111,27 +119,29 @@ void main() {
testWidgets('BottomNavigationBar multiple taps test', (WidgetTester tester) async {
await tester.pumpWidget(
new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_time),
title: const Text('Time')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.add),
title: const Text('Add')
)
]
new MaterialApp(
home: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_time),
title: const Text('Time')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.add),
title: const Text('Add')
)
]
)
)
)
);
@ -167,35 +177,35 @@ void main() {
testWidgets('BottomNavigationBar inherits shadowed app theme for shifting navbar', (WidgetTester tester) async {
await tester.pumpWidget(
new MaterialApp(
theme: new ThemeData(brightness: Brightness.light),
home: new Theme(
data: new ThemeData(brightness: Brightness.dark),
child: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_time),
title: const Text('Time')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.add),
title: const Text('Add')
)
]
)
new MaterialApp(
theme: new ThemeData(brightness: Brightness.light),
home: new Theme(
data: new ThemeData(brightness: Brightness.dark),
child: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.shifting,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_time),
title: const Text('Time')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.add),
title: const Text('Add')
)
]
)
)
)
)
);
await tester.tap(find.text('Alarm'));
@ -205,35 +215,35 @@ void main() {
testWidgets('BottomNavigationBar inherits shadowed app theme for fixed navbar', (WidgetTester tester) async {
await tester.pumpWidget(
new MaterialApp(
theme: new ThemeData(brightness: Brightness.light),
home: new Theme(
data: new ThemeData(brightness: Brightness.dark),
child: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.fixed,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_time),
title: const Text('Time')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.add),
title: const Text('Add')
)
]
)
new MaterialApp(
theme: new ThemeData(brightness: Brightness.light),
home: new Theme(
data: new ThemeData(brightness: Brightness.dark),
child: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
type: BottomNavigationBarType.fixed,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.ac_unit),
title: const Text('AC')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_alarm),
title: const Text('Alarm')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.access_time),
title: const Text('Time')
),
new BottomNavigationBarItem(
icon: const Icon(Icons.add),
title: const Text('Add')
)
]
)
)
)
)
);
await tester.tap(find.text('Alarm'));
@ -244,27 +254,29 @@ void main() {
testWidgets('BottomNavigationBar iconSize test', (WidgetTester tester) async {
double builderIconSize;
await tester.pumpWidget(
new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
iconSize: 12.0,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
title: const Text('A'),
icon: const Icon(Icons.ac_unit),
),
new BottomNavigationBarItem(
title: const Text('B'),
icon: new Builder(
builder: (BuildContext context) {
builderIconSize = IconTheme.of(context).size;
return new SizedBox(
width: builderIconSize,
height: builderIconSize,
);
},
new MaterialApp(
home: new Scaffold(
bottomNavigationBar: new BottomNavigationBar(
iconSize: 12.0,
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
title: const Text('A'),
icon: const Icon(Icons.ac_unit),
),
),
],
new BottomNavigationBarItem(
title: const Text('B'),
icon: new Builder(
builder: (BuildContext context) {
builderIconSize = IconTheme.of(context).size;
return new SizedBox(
width: builderIconSize,
height: builderIconSize,
);
},
),
),
],
),
),
),
);

38
packages/flutter/test/material/drawer_test.dart
View File

@ -10,24 +10,26 @@ void main() {
final Key containerKey = const Key('container');
await tester.pumpWidget(
new Scaffold(
drawer: new Drawer(
child: new ListView(
children: <Widget>[
new DrawerHeader(
child: new Container(
key: containerKey,
child: const Text('header')
)
),
const ListTile(
leading: const Icon(Icons.archive),
title: const Text('Archive')
)
]
)
)
)
new MaterialApp(
home: new Scaffold(
drawer: new Drawer(
child: new ListView(
children: <Widget>[
new DrawerHeader(
child: new Container(
key: containerKey,
child: const Text('header'),
),
),
const ListTile(
leading: const Icon(Icons.archive),
title: const Text('Archive'),
),
],
),
),
),
),
);
expect(find.text('Archive'), findsNothing);

20
packages/flutter/test/material/icon_button_test.dart
View File

@ -172,15 +172,17 @@ void main() {
testWidgets('IconButton AppBar size', (WidgetTester tester) async {
await tester.pumpWidget(
new Scaffold(
appBar: new AppBar(
actions: <Widget>[
new IconButton(
padding: EdgeInsets.zero,
onPressed: mockOnPressedFunction,
icon: const Icon(Icons.ac_unit),
),
],
new MaterialApp(
home: new Scaffold(
appBar: new AppBar(
actions: <Widget>[
new IconButton(
padding: EdgeInsets.zero,
onPressed: mockOnPressedFunction,
icon: const Icon(Icons.ac_unit),
),
],
),
),
),
);

1304
packages/flutter/test/material/mergeable_material_test.dart
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File diff suppressed because it is too large Load Diff

64
packages/flutter/test/material/scaffold_test.dart
View File

@ -11,9 +11,16 @@ void main() {
final Key bodyKey = new UniqueKey();
await tester.pumpWidget(new Scaffold(
appBar: new AppBar(title: const Text('Title')),
body: new Container(key: bodyKey)
body: new Container(key: bodyKey),
));
expect(tester.takeException(), isFlutterError);
await tester.pumpWidget(new MaterialApp(
home: new Scaffold(
appBar: new AppBar(title: const Text('Title')),
body: new Container(key: bodyKey),
),
));
RenderBox bodyBox = tester.renderObject(find.byKey(bodyKey));
expect(bodyBox.size, equals(const Size(800.0, 544.0)));
@ -82,37 +89,37 @@ void main() {
});
testWidgets('Floating action animation', (WidgetTester tester) async {
await tester.pumpWidget(const Scaffold(
await tester.pumpWidget(new MaterialApp(home: const Scaffold(
floatingActionButton: const FloatingActionButton(
key: const Key('one'),
onPressed: null,
child: const Text("1")
)
));
)));
expect(tester.binding.transientCallbackCount, 0);
await tester.pumpWidget(const Scaffold(
await tester.pumpWidget(new MaterialApp(home: const Scaffold(
floatingActionButton: const FloatingActionButton(
key: const Key('two'),
onPressed: null,
child: const Text("2")
)
));
)));
expect(tester.binding.transientCallbackCount, greaterThan(0));
await tester.pumpWidget(new Container());
expect(tester.binding.transientCallbackCount, 0);
await tester.pumpWidget(const Scaffold());
await tester.pumpWidget(new MaterialApp(home: const Scaffold()));
expect(tester.binding.transientCallbackCount, 0);
await tester.pumpWidget(const Scaffold(
await tester.pumpWidget(new MaterialApp(home: const Scaffold(
floatingActionButton: const FloatingActionButton(
key: const Key('one'),
onPressed: null,
child: const Text("1")
)
));
)));
expect(tester.binding.transientCallbackCount, greaterThan(0));
});
@ -367,7 +374,14 @@ void main() {
testWidgets('body size with container', (WidgetTester tester) async {
final Key testKey = new UniqueKey();
await tester.pumpWidget(
new Scaffold(body: new Container(key: testKey))
new MediaQuery(
data: const MediaQueryData(),
child: new Scaffold(
body: new Container(
key: testKey,
),
),
),
);
expect(tester.element(find.byKey(testKey)).size, const Size(800.0, 600.0));
expect(tester.renderObject<RenderBox>(find.byKey(testKey)).localToGlobal(Offset.zero), const Offset(0.0, 0.0));
@ -376,7 +390,15 @@ void main() {
testWidgets('body size with sized container', (WidgetTester tester) async {
final Key testKey = new UniqueKey();
await tester.pumpWidget(
new Scaffold(body: new Container(key: testKey, height: 100.0))
new MediaQuery(
data: const MediaQueryData(),
child: new Scaffold(
body: new Container(
key: testKey,
height: 100.0,
),
),
),
);
expect(tester.element(find.byKey(testKey)).size, const Size(800.0, 100.0));
expect(tester.renderObject<RenderBox>(find.byKey(testKey)).localToGlobal(Offset.zero), const Offset(0.0, 0.0));
@ -385,7 +407,16 @@ void main() {
testWidgets('body size with centered container', (WidgetTester tester) async {
final Key testKey = new UniqueKey();
await tester.pumpWidget(
new Scaffold(body: new Center(child: new Container(key: testKey)))
new MediaQuery(
data: const MediaQueryData(),
child: new Scaffold(
body: new Center(
child: new Container(
key: testKey,
),
),
),
),
);
expect(tester.element(find.byKey(testKey)).size, const Size(800.0, 600.0));
expect(tester.renderObject<RenderBox>(find.byKey(testKey)).localToGlobal(Offset.zero), const Offset(0.0, 0.0));
@ -394,7 +425,16 @@ void main() {
testWidgets('body size with button', (WidgetTester tester) async {
final Key testKey = new UniqueKey();
await tester.pumpWidget(
new Scaffold(body: new FlatButton(key: testKey, onPressed: () { }, child: const Text('')))
new MediaQuery(
data: const MediaQueryData(),
child: new Scaffold(
body: new FlatButton(
key: testKey,
onPressed: () { },
child: const Text(''),
),
),
),
);
expect(tester.element(find.byKey(testKey)).size, const Size(88.0, 36.0));
expect(tester.renderObject<RenderBox>(find.byKey(testKey)).localToGlobal(Offset.zero), const Offset(0.0, 0.0));

44
packages/flutter/test/material/text_field_test.dart
View File

@ -26,12 +26,15 @@ class MockClipboard {
}
Widget overlay(Widget child) {
return new Overlay(
initialEntries: <OverlayEntry>[
new OverlayEntry(
builder: (BuildContext context) => child,
),
],
return new MediaQuery(
data: const MediaQueryData(),
child: new Overlay(
initialEntries: <OverlayEntry>[
new OverlayEntry(
builder: (BuildContext context) => child,
),
],
),
);
}
@ -229,20 +232,23 @@ void main() {
final TextEditingController controller = new TextEditingController();
Widget builder() {
return new Overlay(
initialEntries: <OverlayEntry>[
new OverlayEntry(
builder: (BuildContext context) {
return new Center(
child: new Material(
child: new TextField(
controller: controller,
return new MediaQuery(
data: const MediaQueryData(),
child: new Overlay(
initialEntries: <OverlayEntry>[
new OverlayEntry(
builder: (BuildContext context) {
return new Center(
child: new Material(
child: new TextField(
controller: controller,
),
),
),
);
},
),
],
);
},
),
],
),
);
}

70
packages/flutter/test/material/user_accounts_drawer_header_test.dart
View File

@ -13,31 +13,33 @@ void main() {
final Key avatarD = const Key('D');
await tester.pumpWidget(
new Material(
child: new Center(
child: new UserAccountsDrawerHeader(
currentAccountPicture: new CircleAvatar(
key: avatarA,
child: const Text('A'),
new MaterialApp(
home: new Material(
child: new Center(
child: new UserAccountsDrawerHeader(
currentAccountPicture: new CircleAvatar(
key: avatarA,
child: const Text('A'),
),
otherAccountsPictures: <Widget>[
const CircleAvatar(
child: const Text('B'),
),
new CircleAvatar(
key: avatarC,
child: const Text('C'),
),
new CircleAvatar(
key: avatarD,
child: const Text('D'),
),
const CircleAvatar(
child: const Text('E'),
)
],
accountName: const Text("name"),
accountEmail: const Text("email"),
),
otherAccountsPictures: <Widget>[
const CircleAvatar(
child: const Text('B'),
),
new CircleAvatar(
key: avatarC,
child: const Text('C'),
),
new CircleAvatar(
key: avatarD,
child: const Text('D'),
),
const CircleAvatar(
child: const Text('E'),
)
],
accountName: const Text("name"),
accountEmail: const Text("email"),
),
),
),
@ -87,15 +89,17 @@ void main() {
VoidCallback onDetailsPressed,
EdgeInsets margin,
}) {
return new Material(
child: new Center(
child: new UserAccountsDrawerHeader(
currentAccountPicture: currentAccountPicture,
otherAccountsPictures: otherAccountsPictures,
accountName: accountName,
accountEmail: accountEmail,
onDetailsPressed: onDetailsPressed,
margin: margin,
return new MaterialApp(
home: new Material(
child: new Center(
child: new UserAccountsDrawerHeader(
currentAccountPicture: currentAccountPicture,
otherAccountsPictures: otherAccountsPictures,
accountName: accountName,
accountEmail: accountEmail,
onDetailsPressed: onDetailsPressed,
margin: margin,
),
),
),
);

35
packages/flutter/test/widgets/media_query_test.dart
View File

@ -8,21 +8,40 @@ import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/widgets.dart';
void main() {
testWidgets('MediaQuery has a default', (WidgetTester tester) async {
Size size;
testWidgets('MediaQuery does not have a default', (WidgetTester tester) async {
bool tested = false;
await tester.pumpWidget(
new Builder(
builder: (BuildContext context) {
final MediaQueryData data = MediaQuery.of(context);
expect(data, hasOneLineDescription);
expect(data.hashCode, equals(data.copyWith().hashCode));
size = data.size;
tested = true;
MediaQuery.of(context); // should throw
return new Container();
}
)
);
expect(tested, isTrue);
expect(tester.takeException(), isFlutterError);
});
expect(size, equals(ui.window.physicalSize / ui.window.devicePixelRatio));
testWidgets('MediaQuery defaults to null', (WidgetTester tester) async {
bool tested = false;
await tester.pumpWidget(
new Builder(
builder: (BuildContext context) {
final MediaQueryData data = MediaQuery.of(context, nullOk: true);
expect(data, isNull);
tested = true;
return new Container();
}
)
);
expect(tested, isTrue);
});
testWidgets('MediaQueryData is sane', (WidgetTester tester) async {
final MediaQueryData data = new MediaQueryData.fromWindow(ui.window);
expect(data, hasOneLineDescription);
expect(data.hashCode, equals(data.copyWith().hashCode));
expect(data.size, equals(ui.window.physicalSize / ui.window.devicePixelRatio));
});
}